Initial commit

vendor/symfony/monolog-bundle/DependencyInjection/Compiler/AddProcessorsPass.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\MonologBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Registers processors in Monolog loggers or handlers.
+ *
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+class AddProcessorsPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        if (!$container->hasDefinition('monolog.logger')) {
+            return;
+        }
+
+        foreach ($container->findTaggedServiceIds('monolog.processor') as $id => $tags) {
+            foreach ($tags as $tag) {
+                if (!empty($tag['channel']) && !empty($tag['handler'])) {
+                    throw new \InvalidArgumentException(sprintf('you cannot specify both the "handler" and "channel" attributes for the "monolog.processor" tag on service "%s"', $id));
+                }
+
+                if (!empty($tag['handler'])) {
+                    $definition = $container->findDefinition(sprintf('monolog.handler.%s', $tag['handler']));
+                } elseif (!empty($tag['channel'])) {
+                    if ('app' === $tag['channel']) {
+                        $definition = $container->getDefinition('monolog.logger');
+                    } else {
+                        $definition = $container->getDefinition(sprintf('monolog.logger.%s', $tag['channel']));
+                    }
+                } else {
+                    $definition = $container->getDefinition('monolog.logger_prototype');
+                }
+
+                if (!empty($tag['method'])) {
+                    $processor = array(new Reference($id), $tag['method']);
+                } else {
+                    // If no method is defined, fallback to use __invoke
+                    $processor = new Reference($id);
+                }
+                $definition->addMethodCall('pushProcessor', array($processor));
+            }
+        }
+    }
+}

vendor/symfony/monolog-bundle/DependencyInjection/Compiler/AddSwiftMailerTransportPass.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\MonologBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Sets the transport for Swiftmailer handlers depending on the existing
+ * container definitions.
+ *
+ * @author Christian Flothmann <christian.flothmann@xabbuh.de>
+ */
+class AddSwiftMailerTransportPass implements CompilerPassInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function process(ContainerBuilder $container)
+    {
+        $handlers = $container->getParameter('monolog.swift_mailer.handlers');
+
+        foreach ($handlers as $id) {
+            $definition = $container->getDefinition($id);
+            $mailerId = (string) $definition->getArgument(0);
+
+            // Try to fetch the transport for a non-default mailer first, then go with the default swiftmailer
+            $possibleServices = array(
+                $mailerId.'.transport.real',
+                $mailerId.'.transport',
+                'swiftmailer.transport.real',
+                'swiftmailer.transport',
+            );
+
+            foreach ($possibleServices as $serviceId) {
+                if ($container->hasAlias($serviceId) || $container->hasDefinition($serviceId)) {
+                    $definition->addMethodCall(
+                        'setTransport',
+                        array(new Reference($serviceId))
+                    );
+
+                    break;
+                }
+            }
+        }
+    }
+}

vendor/symfony/monolog-bundle/DependencyInjection/Compiler/DebugHandlerPass.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\MonologBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\Definition;
+use Monolog\Logger;
+
+/**
+ * Adds the DebugHandler when the profiler is enabled and kernel.debug is true.
+ *
+ * @author Christophe Coevoet <stof@notk.org>
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * @deprecated since version 2.12, to be removed in 4.0. Use AddDebugLogProcessorPass in FrameworkBundle instead.
+ */
+class DebugHandlerPass implements CompilerPassInterface
+{
+    private $channelPass;
+
+    public function __construct(LoggerChannelPass $channelPass)
+    {
+        // Trigger the deprecation only when using a Symfony version supporting the new feature (i.e. 3.2+)
+        if (class_exists('Symfony\Bridge\Monolog\Processor\DebugProcessor') && class_exists('Symfony\Bundle\FrameworkBundle\DependencyInjection\Compiler\AddDebugLogProcessorPass')) {
+            @trigger_error('The '.__CLASS__.' class is deprecated since version 2.12 and will be removed in 4.0. Use AddDebugLogProcessorPass in FrameworkBundle instead.', E_USER_DEPRECATED);
+        }
+
+        $this->channelPass = $channelPass;
+    }
+
+    public function process(ContainerBuilder $container)
+    {
+        if (!$container->hasDefinition('profiler')) {
+            return;
+        }
+
+        if (!$container->getParameter('kernel.debug')) {
+            return;
+        }
+
+        $debugHandler = new Definition('Symfony\Bridge\Monolog\Handler\DebugHandler', array(Logger::DEBUG, true));
+        $container->setDefinition('monolog.handler.debug', $debugHandler);
+
+        foreach ($this->channelPass->getChannels() as $channel) {
+            $container
+                ->getDefinition($channel === 'app' ? 'monolog.logger' : 'monolog.logger.'.$channel)
+                ->addMethodCall('pushHandler', array(new Reference('monolog.handler.debug')));
+        }
+    }
+}

vendor/symfony/monolog-bundle/DependencyInjection/Compiler/FixEmptyLoggerPass.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\MonologBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Fixes loggers with no handlers (by registering a "null" one).
+ *
+ * Monolog 1.x adds a default handler logging on STDERR when a logger has
+ * no registered handlers. This is NOT what what we want in Symfony, so in such
+ * cases, we add a "null" handler to avoid the issue.
+ *
+ * Note that Monolog 2.x does not register a default handler anymore, so this pass can
+ * be removed when MonologBundle minimum version of Monolog is bumped to 2.0.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @see https://github.com/Seldaek/monolog/commit/ad37b7b2d11f300cbace9f5e84f855d329519e28
+ */
+class FixEmptyLoggerPass implements CompilerPassInterface
+{
+    private $channelPass;
+
+    public function __construct(LoggerChannelPass $channelPass)
+    {
+        $this->channelPass = $channelPass;
+    }
+
+    public function process(ContainerBuilder $container)
+    {
+        $container->register('monolog.handler.null_internal', 'Monolog\Handler\NullHandler');
+        foreach ($this->channelPass->getChannels() as $channel) {
+            $def = $container->getDefinition($channel === 'app' ? 'monolog.logger' : 'monolog.logger.'.$channel);
+            foreach ($def->getMethodCalls() as $method) {
+                if ('pushHandler' === $method[0]) {
+                    continue 2;
+                }
+            }
+
+            $def->addMethodCall('pushHandler', array(new Reference('monolog.handler.null_internal')));
+        }
+    }
+}

vendor/symfony/monolog-bundle/DependencyInjection/Compiler/LoggerChannelPass.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\MonologBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Argument\BoundArgument;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\ChildDefinition;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\DefinitionDecorator;
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+
+/**
+ * Replaces the default logger by another one with its own channel for tagged services.
+ *
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+class LoggerChannelPass implements CompilerPassInterface
+{
+    protected $channels = array('app');
+
+    public function process(ContainerBuilder $container)
+    {
+        if (!$container->hasDefinition('monolog.logger')) {
+            return;
+        }
+
+        // create channels necessary for the handlers
+        foreach ($container->findTaggedServiceIds('monolog.logger') as $id => $tags) {
+            foreach ($tags as $tag) {
+                if (empty($tag['channel']) || 'app' === $tag['channel']) {
+                    continue;
+                }
+
+                $resolvedChannel = $container->getParameterBag()->resolveValue($tag['channel']);
+
+                $definition = $container->getDefinition($id);
+                $loggerId = sprintf('monolog.logger.%s', $resolvedChannel);
+                $this->createLogger($resolvedChannel, $loggerId, $container);
+
+                foreach ($definition->getArguments() as $index => $argument) {
+                    if ($argument instanceof Reference && 'logger' === (string) $argument) {
+                        $definition->replaceArgument($index, $this->changeReference($argument, $loggerId));
+                    }
+                }
+
+                $calls = $definition->getMethodCalls();
+                foreach ($calls as $i => $call) {
+                    foreach ($call[1] as $index => $argument) {
+                        if ($argument instanceof Reference && 'logger' === (string) $argument) {
+                            $calls[$i][1][$index] = $this->changeReference($argument, $loggerId);
+                        }
+                    }
+                }
+                $definition->setMethodCalls($calls);
+
+                if (\method_exists($definition, 'getBindings')) {
+                    $binding = new BoundArgument(new Reference($loggerId));
+
+                    // Mark the binding as used already, to avoid reporting it as unused if the service does not use a
+                    // logger injected through the LoggerInterface alias.
+                    $values = $binding->getValues();
+                    $values[2] = true;
+                    $binding->setValues($values);
+
+                    $bindings = $definition->getBindings();
+                    $bindings['Psr\Log\LoggerInterface'] = $binding;
+                    $definition->setBindings($bindings);
+                }
+            }
+        }
+
+        // create additional channels
+        foreach ($container->getParameter('monolog.additional_channels') as $chan) {
+            $loggerId = sprintf('monolog.logger.%s', $chan);
+            $this->createLogger($chan, $loggerId, $container);
+            $container->getDefinition($loggerId)->setPublic(true);
+        }
+        $container->getParameterBag()->remove('monolog.additional_channels');
+
+        // wire handlers to channels
+        $handlersToChannels = $container->getParameter('monolog.handlers_to_channels');
+        foreach ($handlersToChannels as $handler => $channels) {
+            foreach ($this->processChannels($channels) as $channel) {
+                try {
+                    $logger = $container->getDefinition($channel === 'app' ? 'monolog.logger' : 'monolog.logger.'.$channel);
+                } catch (InvalidArgumentException $e) {
+                    $msg = 'Monolog configuration error: The logging channel "'.$channel.'" assigned to the "'.substr($handler, 16).'" handler does not exist.';
+                    throw new \InvalidArgumentException($msg, 0, $e);
+                }
+                $logger->addMethodCall('pushHandler', array(new Reference($handler)));
+            }
+        }
+    }
+
+    public function getChannels()
+    {
+        return $this->channels;
+    }
+
+    protected function processChannels($configuration)
+    {
+        if (null === $configuration) {
+            return $this->channels;
+        }
+
+        if ('inclusive' === $configuration['type']) {
+            return $configuration['elements'] ?: $this->channels;
+        }
+
+        return array_diff($this->channels, $configuration['elements']);
+    }
+
+    protected function createLogger($channel, $loggerId, ContainerBuilder $container)
+    {
+        if (!in_array($channel, $this->channels)) {
+            if (class_exists('Symfony\Component\DependencyInjection\ChildDefinition')) {
+                $logger = new ChildDefinition('monolog.logger_prototype');
+            } else {
+                $logger = new DefinitionDecorator('monolog.logger_prototype');
+            }
+
+            $logger->replaceArgument(0, $channel);
+            $container->setDefinition($loggerId, $logger);
+            $this->channels[] = $channel;
+        }
+    }
+
+    /**
+     * Creates a copy of a reference and alters the service ID.
+     *
+     * @param Reference $reference
+     * @param string    $serviceId
+     *
+     * @return Reference
+     */
+    private function changeReference(Reference $reference, $serviceId)
+    {
+        if (method_exists($reference, 'isStrict')) {
+            // Stay compatible with Symfony 2
+            return new Reference($serviceId, $reference->getInvalidBehavior(), $reference->isStrict(false));
+        }
+
+        return new Reference($serviceId, $reference->getInvalidBehavior());
+    }
+}

vendor/symfony/monolog-bundle/DependencyInjection/Configuration.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\MonologBundle\DependencyInjection;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
+use Monolog\Logger;
+
+/**
+ * This class contains the configuration information for the bundle
+ *
+ * This information is solely responsible for how the different configuration
+ * sections are normalized, and merged.
+ *
+ * Possible handler types and related configurations (brackets indicate optional params):
+ *
+ * - service:
+ *   - id
+ *
+ * - stream:
+ *   - path: string
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - console:
+ *   - [verbosity_levels]: level => verbosity configuration
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - firephp:
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - browser_console:
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - gelf:
+ *   - publisher: {id: ...} or {hostname: ..., port: ..., chunk_size: ...}
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - chromephp:
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - rotating_file:
+ *   - path: string
+ *   - [max_files]: files to keep, defaults to zero (infinite)
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *   - [file_permission]: string|null, defaults to null
+ *   - [filename_format]: string, defaults to '{filename}-{date}'
+ *   - [date_format]: string, defaults to 'Y-m-d'
+ *
+ * - mongo:
+ *   - mongo:
+ *      - id: optional if host is given
+ *      - host: database host name, optional if id is given
+ *      - [port]: defaults to 27017
+ *      - [user]: database user name
+ *      - pass: mandatory only if user is present
+ *      - [database]: defaults to monolog
+ *      - [collection]: defaults to logs
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - elasticsearch:
+ *   - elasticsearch:
+ *      - id: optional if host is given
+ *      - host: elastic search host name
+ *      - [port]: defaults to 9200
+ *   - [index]: index name, defaults to monolog
+ *   - [document_type]: document_type, defaults to logs
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - fingers_crossed:
+ *   - handler: the wrapped handler's name
+ *   - [action_level|activation_strategy]: minimum level or service id to activate the handler, defaults to WARNING
+ *   - [excluded_404s]: if set, the strategy will be changed to one that excludes 404s coming from URLs matching any of those patterns
+ *   - [excluded_http_codes]: if set, the strategy will be changed to one that excludes specific HTTP codes (requires Symfony Monolog bridge 4.1+)
+ *   - [buffer_size]: defaults to 0 (unlimited)
+ *   - [stop_buffering]: bool to disable buffering once the handler has been activated, defaults to true
+ *   - [passthru_level]: level name or int value for messages to always flush, disabled by default
+ *   - [bubble]: bool, defaults to true
+ *
+ * - filter:
+ *   - handler: the wrapped handler's name
+ *   - [accepted_levels]: list of levels to accept
+ *   - [min_level]: minimum level to accept (only used if accepted_levels not specified)
+ *   - [max_level]: maximum level to accept (only used if accepted_levels not specified)
+ *   - [bubble]: bool, defaults to true
+ *
+ * - buffer:
+ *   - handler: the wrapped handler's name
+ *   - [buffer_size]: defaults to 0 (unlimited)
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *   - [flush_on_overflow]: bool, defaults to false
+ *
+ * - deduplication:
+ *   - handler: the wrapper handler's name
+ *   - [store]: The file/path where the deduplication log should be kept, defaults to %kernel.cache_dir%/monolog_dedup_*
+ *   - [deduplication_level]: The minimum logging level for log records to be looked at for deduplication purposes, defaults to ERROR
+ *   - [time]: The period (in seconds) during which duplicate entries should be suppressed after a given log is sent through, defaults to 60
+ *   - [bubble]: bool, defaults to true
+ *
+ * - group:
+ *   - members: the wrapped handlers by name
+ *   - [bubble]: bool, defaults to true
+ *
+ * - whatfailuregroup:
+ *   - members: the wrapped handlers by name
+ *   - [bubble]: bool, defaults to true
+ *
+ * - syslog:
+ *   - ident: string
+ *   - [facility]: defaults to 'user', use any of the LOG_* facility constant but without LOG_ prefix, e.g. user for LOG_USER
+ *   - [logopts]: defaults to LOG_PID
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - syslogudp:
+ *   - host: syslogd host name
+ *   - [port]: defaults to 514
+ *   - [facility]: defaults to 'user', use any of the LOG_* facility constant but without LOG_ prefix, e.g. user for LOG_USER
+ *   - [logopts]: defaults to LOG_PID
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - swift_mailer:
+ *   - from_email: optional if email_prototype is given
+ *   - to_email: optional if email_prototype is given
+ *   - subject: optional if email_prototype is given
+ *   - [email_prototype]: service id of a message, defaults to a default message with the three fields above
+ *   - [content_type]: optional if email_prototype is given, defaults to text/plain
+ *   - [mailer]: mailer service, defaults to mailer
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *   - [lazy]: use service lazy loading, bool, defaults to true
+ *
+ * - native_mailer:
+ *   - from_email: string
+ *   - to_email: string
+ *   - subject: string
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - socket:
+ *   - connection_string: string
+ *   - [timeout]: float
+ *   - [connection_timeout]: float
+ *   - [persistent]: bool
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - pushover:
+ *   - token: pushover api token
+ *   - user: user id or array of ids
+ *   - [title]: optional title for messages, defaults to the server hostname
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *   - [timeout]: float
+ *   - [connection_timeout]: float
+ *
+ * - raven:
+ *   - dsn: connection string
+ *   - client_id: Raven client custom service id (optional)
+ *   - [release]: release number of the application that will be attached to logs, defaults to null
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *   - [auto_log_stacks]: bool, defaults to false
+ *
+ * - newrelic:
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *   - [app_name]: new relic app name, default null
+ *
+ * - hipchat:
+ *   - token: hipchat api token
+ *   - room: room id or name
+ *   - [notify]: defaults to false
+ *   - [nickname]: defaults to Monolog
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *   - [use_ssl]: bool, defaults to true
+ *   - [message_format]: text or html, defaults to text
+ *   - [host]: defaults to "api.hipchat.com"
+ *   - [api_version]: defaults to "v1"
+ *   - [timeout]: float
+ *   - [connection_timeout]: float
+ *
+ * - slack:
+ *   - token: slack api token
+ *   - channel: channel name (with starting #)
+ *   - [bot_name]: defaults to Monolog
+ *   - [icon_emoji]: defaults to null
+ *   - [use_attachment]: bool, defaults to true
+ *   - [use_short_attachment]: bool, defaults to false
+ *   - [include_extra]: bool, defaults to false
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *   - [timeout]: float
+ *   - [connection_timeout]: float
+ *
+ * - slackwebhook:
+ *   - webhook_url: slack webhook URL
+ *   - channel: channel name (with starting #)
+ *   - [bot_name]: defaults to Monolog
+ *   - [icon_emoji]: defaults to null
+ *   - [use_attachment]: bool, defaults to true
+ *   - [use_short_attachment]: bool, defaults to false
+ *   - [include_extra]: bool, defaults to false
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - slackbot:
+ *   - team: slack team slug
+ *   - token: slackbot token
+ *   - channel: channel name (with starting #)
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - cube:
+ *   - url: http/udp url to the cube server
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - amqp:
+ *   - exchange: service id of an AMQPExchange
+ *   - [exchange_name]: string, defaults to log
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - error_log:
+ *   - [message_type]: int 0 or 4, defaults to 0
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - null:
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - test:
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - debug:
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - loggly:
+ *   - token: loggly api token
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *   - [tags]: tag names
+ *
+ * - logentries:
+ *   - token: logentries api token
+ *   - [use_ssl]: whether or not SSL encryption should be used, defaults to true
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *   - [timeout]: float
+ *   - [connection_timeout]: float
+ *
+ * - flowdock:
+ *   - token: flowdock api token
+ *   - source: human readable identifier of the application
+ *   - from_email: email address of the message sender
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - rollbar:
+ *   - id: RollbarNotifier service (mandatory if token is not provided)
+ *   - token: rollbar api token (skip if you provide a RollbarNotifier service id)
+ *   - [config]: config values from https://github.com/rollbar/rollbar-php#configuration-reference
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * - server_log:
+ *   - host: server log host. ex: 127.0.0.1:9911
+ *   - [level]: level name or int value, defaults to DEBUG
+ *   - [bubble]: bool, defaults to true
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+class Configuration implements ConfigurationInterface
+{
+    /**
+     * Generates the configuration tree builder.
+     *
+     * @return \Symfony\Component\Config\Definition\Builder\TreeBuilder The tree builder
+     */
+    public function getConfigTreeBuilder()
+    {
+        $treeBuilder = new TreeBuilder('monolog');
+        $rootNode = method_exists(TreeBuilder::class, 'getRootNode') ? $treeBuilder->getRootNode() : $treeBuilder->root('monolog');
+
+        $rootNode
+            ->fixXmlConfig('channel')
+            ->fixXmlConfig('handler')
+            ->children()
+                ->scalarNode('use_microseconds')->defaultTrue()->end()
+                ->arrayNode('channels')
+                    ->canBeUnset()
+                    ->prototype('scalar')->end()
+                ->end()
+                ->arrayNode('handlers')
+                    ->canBeUnset()
+                    ->useAttributeAsKey('name')
+                    ->prototype('array')
+                        ->fixXmlConfig('member')
+                        ->fixXmlConfig('excluded_404')
+                        ->fixXmlConfig('excluded_http_code')
+                        ->fixXmlConfig('tag')
+                        ->fixXmlConfig('accepted_level')
+                        ->canBeUnset()
+                        ->children()
+                            ->scalarNode('type')
+                                ->isRequired()
+                                ->treatNullLike('null')
+                                ->beforeNormalization()
+                                    ->always()
+                                    ->then(function ($v) { return strtolower($v); })
+                                ->end()
+                            ->end()
+                            ->scalarNode('id')->end() // service & rollbar
+                            ->scalarNode('priority')->defaultValue(0)->end()
+                            ->scalarNode('level')->defaultValue('DEBUG')->end()
+                            ->booleanNode('bubble')->defaultTrue()->end()
+                            ->scalarNode('app_name')->defaultNull()->end()
+                            ->booleanNode('include_stacktraces')->defaultFalse()->end()
+                            ->booleanNode('process_psr_3_messages')->defaultTrue()->end()
+                            ->scalarNode('path')->defaultValue('%kernel.logs_dir%/%kernel.environment%.log')->end() // stream and rotating
+                            ->scalarNode('file_permission')  // stream and rotating
+                                ->defaultNull()
+                                ->beforeNormalization()
+                                    ->ifString()
+                                    ->then(function ($v) {
+                                        if (substr($v, 0, 1) === '0') {
+                                            return octdec($v);
+                                        }
+
+                                        return (int) $v;
+                                    })
+                                ->end()
+                            ->end()
+                            ->scalarNode('filename_format')->defaultValue('{filename}-{date}')->end() //rotating
+                            ->scalarNode('date_format')->defaultValue('Y-m-d')->end() //rotating
+                            ->scalarNode('ident')->defaultFalse()->end() // syslog
+                            ->scalarNode('logopts')->defaultValue(LOG_PID)->end() // syslog
+                            ->scalarNode('facility')->defaultValue('user')->end() // syslog
+                            ->scalarNode('max_files')->defaultValue(0)->end() // rotating
+                            ->scalarNode('action_level')->defaultValue('WARNING')->end() // fingers_crossed
+                            ->scalarNode('activation_strategy')->defaultNull()->end() // fingers_crossed
+                            ->booleanNode('stop_buffering')->defaultTrue()->end()// fingers_crossed
+                            ->scalarNode('passthru_level')->defaultNull()->end() // fingers_crossed
+                            ->arrayNode('excluded_404s') // fingers_crossed
+                                ->canBeUnset()
+                                ->prototype('scalar')->end()
+                            ->end()
+                            ->arrayNode('excluded_http_codes') // fingers_crossed
+                                ->canBeUnset()
+                                ->beforeNormalization()
+                                    ->always(function ($values) {
+                                        return array_map(function ($value) {
+                                            /*
+                                             * Allows YAML:
+                                             *   excluded_http_codes: [403, 404, { 400: ['^/foo', '^/bar'] }]
+                                             *
+                                             * and XML:
+                                             *   <monolog:excluded-http-code code="403">
+                                             *     <monolog:url>^/foo</monolog:url>
+                                             *     <monolog:url>^/bar</monolog:url>
+                                             *   </monolog:excluded-http-code>
+                                             *   <monolog:excluded-http-code code="404" />
+                                             */
+
+                                            if (is_array($value)) {
+                                                return isset($value['code']) ? $value : array('code' => key($value), 'urls' => current($value));
+                                            }
+
+                                            return array('code' => $value, 'urls' => array());
+                                        }, $values);
+                                    })
+                                ->end()
+                                ->prototype('array')
+                                    ->children()
+                                        ->scalarNode('code')->end()
+                                        ->arrayNode('urls')
+                                            ->prototype('scalar')->end()
+                                        ->end()
+                                    ->end()
+                                ->end()
+                            ->end()
+                            ->arrayNode('accepted_levels') // filter
+                                ->canBeUnset()
+                                ->prototype('scalar')->end()
+                            ->end()
+                            ->scalarNode('min_level')->defaultValue('DEBUG')->end() // filter
+                            ->scalarNode('max_level')->defaultValue('EMERGENCY')->end() //filter
+                            ->scalarNode('buffer_size')->defaultValue(0)->end() // fingers_crossed and buffer
+                            ->booleanNode('flush_on_overflow')->defaultFalse()->end() // buffer
+                            ->scalarNode('handler')->end() // fingers_crossed and buffer
+                            ->scalarNode('url')->end() // cube
+                            ->scalarNode('exchange')->end() // amqp
+                            ->scalarNode('exchange_name')->defaultValue('log')->end() // amqp
+                            ->scalarNode('room')->end() // hipchat
+                            ->scalarNode('message_format')->defaultValue('text')->end() // hipchat
+                            ->scalarNode('api_version')->defaultNull()->end() // hipchat
+                            ->scalarNode('channel')->defaultNull()->end() // slack & slackwebhook & slackbot
+                            ->scalarNode('bot_name')->defaultValue('Monolog')->end() // slack & slackwebhook
+                            ->scalarNode('use_attachment')->defaultTrue()->end() // slack & slackwebhook
+                            ->scalarNode('use_short_attachment')->defaultFalse()->end() // slack & slackwebhook
+                            ->scalarNode('include_extra')->defaultFalse()->end() // slack & slackwebhook
+                            ->scalarNode('icon_emoji')->defaultNull()->end() // slack & slackwebhook
+                            ->scalarNode('webhook_url')->end() // slackwebhook
+                            ->scalarNode('team')->end() // slackbot
+                            ->scalarNode('notify')->defaultFalse()->end() // hipchat
+                            ->scalarNode('nickname')->defaultValue('Monolog')->end() // hipchat
+                            ->scalarNode('token')->end() // pushover & hipchat & loggly & logentries & flowdock & rollbar & slack & slackbot
+                            ->scalarNode('source')->end() // flowdock
+                            ->booleanNode('use_ssl')->defaultTrue()->end() // logentries & hipchat
+                            ->variableNode('user') // pushover
+                                ->validate()
+                                    ->ifTrue(function ($v) {
+                                        return !is_string($v) && !is_array($v);
+                                    })
+                                    ->thenInvalid('User must be a string or an array.')
+                                ->end()
+                            ->end()
+                            ->scalarNode('title')->defaultNull()->end() // pushover
+                            ->scalarNode('host')->defaultNull()->end() // syslogudp & hipchat
+                            ->scalarNode('port')->defaultValue(514)->end() // syslogudp
+                            ->arrayNode('publisher')
+                                ->canBeUnset()
+                                ->beforeNormalization()
+                                    ->ifString()
+                                    ->then(function ($v) { return array('id' => $v); })
+                                ->end()
+                                ->children()
+                                    ->scalarNode('id')->end()
+                                    ->scalarNode('hostname')->end()
+                                    ->scalarNode('port')->defaultValue(12201)->end()
+                                    ->scalarNode('chunk_size')->defaultValue(1420)->end()
+                                ->end()
+                                ->validate()
+                                    ->ifTrue(function ($v) {
+                                        return !isset($v['id']) && !isset($v['hostname']);
+                                    })
+                                    ->thenInvalid('What must be set is either the hostname or the id.')
+                                ->end()
+                            ->end() // gelf
+                            ->arrayNode('mongo')
+                                ->canBeUnset()
+                                ->beforeNormalization()
+                                    ->ifString()
+                                    ->then(function ($v) { return array('id' => $v); })
+                                ->end()
+                                ->children()
+                                    ->scalarNode('id')->end()
+                                    ->scalarNode('host')->end()
+                                    ->scalarNode('port')->defaultValue(27017)->end()
+                                    ->scalarNode('user')->end()
+                                    ->scalarNode('pass')->end()
+                                    ->scalarNode('database')->defaultValue('monolog')->end()
+                                    ->scalarNode('collection')->defaultValue('logs')->end()
+                                ->end()
+                                ->validate()
+                                    ->ifTrue(function ($v) {
+                                        return !isset($v['id']) && !isset($v['host']);
+                                    })
+                                    ->thenInvalid('What must be set is either the host or the id.')
+                                ->end()
+                                ->validate()
+                                    ->ifTrue(function ($v) {
+                                        return isset($v['user']) && !isset($v['pass']);
+                                    })
+                                    ->thenInvalid('If you set user, you must provide a password.')
+                                ->end()
+                            ->end() // mongo
+                            ->arrayNode('elasticsearch')
+                                ->canBeUnset()
+                                ->beforeNormalization()
+                                    ->ifString()
+                                    ->then(function ($v) { return array('id' => $v); })
+                                ->end()
+                                ->children()
+                                    ->scalarNode('id')->end()
+                                    ->scalarNode('host')->end()
+                                    ->scalarNode('port')->defaultValue(9200)->end()
+                                    ->scalarNode('transport')->defaultValue('Http')->end()
+                                    ->scalarNode('user')->defaultNull()->end()
+                                    ->scalarNode('password')->defaultNull()->end()
+                                ->end()
+                                ->validate()
+                                    ->ifTrue(function ($v) {
+                                        return !isset($v['id']) && !isset($v['host']);
+                                    })
+                                    ->thenInvalid('What must be set is either the host or the id.')
+                                ->end()
+                            ->end() // elasticsearch
+                            ->scalarNode('index')->defaultValue('monolog')->end() // elasticsearch
+                            ->scalarNode('document_type')->defaultValue('logs')->end() // elasticsearch
+                            ->scalarNode('ignore_error')->defaultValue(false)->end() // elasticsearch
+                            ->arrayNode('config')
+                                ->canBeUnset()
+                                ->prototype('scalar')->end()
+                            ->end() // rollbar
+                            ->arrayNode('members') // group, whatfailuregroup
+                                ->canBeUnset()
+                                ->performNoDeepMerging()
+                                ->prototype('scalar')->end()
+                            ->end()
+                            ->scalarNode('from_email')->end() // swift_mailer, native_mailer and flowdock
+                            ->arrayNode('to_email') // swift_mailer and native_mailer
+                                ->prototype('scalar')->end()
+                                ->beforeNormalization()
+                                    ->ifString()
+                                    ->then(function ($v) { return array($v); })
+                                ->end()
+                            ->end()
+                            ->scalarNode('subject')->end() // swift_mailer and native_mailer
+                            ->scalarNode('content_type')->defaultNull()->end() // swift_mailer
+                            ->scalarNode('mailer')->defaultValue('mailer')->end() // swift_mailer
+                            ->arrayNode('email_prototype') // swift_mailer
+                                ->canBeUnset()
+                                ->beforeNormalization()
+                                    ->ifString()
+                                    ->then(function ($v) { return array('id' => $v); })
+                                ->end()
+                                ->children()
+                                    ->scalarNode('id')->isRequired()->end()
+                                    ->scalarNode('method')->defaultNull()->end()
+                                ->end()
+                            ->end()
+                            ->booleanNode('lazy')->defaultValue(true)->end() // swift_mailer
+                            ->scalarNode('connection_string')->end() // socket_handler
+                            ->scalarNode('timeout')->end() // socket_handler, logentries, pushover, hipchat & slack
+                            ->scalarNode('time')->defaultValue(60)->end() // deduplication
+                            ->scalarNode('deduplication_level')->defaultValue(Logger::ERROR)->end() // deduplication
+                            ->scalarNode('store')->defaultNull()->end() // deduplication
+                            ->scalarNode('connection_timeout')->end() // socket_handler, logentries, pushover, hipchat & slack
+                            ->booleanNode('persistent')->end() // socket_handler
+                            ->scalarNode('dsn')->end() // raven_handler
+                            ->scalarNode('client_id')->defaultNull()->end() // raven_handler
+                            ->scalarNode('auto_log_stacks')->defaultFalse()->end() // raven_handler
+                            ->scalarNode('release')->defaultNull()->end() // raven_handler
+                            ->scalarNode('message_type')->defaultValue(0)->end() // error_log
+                            ->arrayNode('tags') // loggly
+                                ->beforeNormalization()
+                                    ->ifString()
+                                    ->then(function ($v) { return explode(',', $v); })
+                                ->end()
+                                ->beforeNormalization()
+                                    ->ifArray()
+                                    ->then(function ($v) { return array_filter(array_map('trim', $v)); })
+                                ->end()
+                                ->prototype('scalar')->end()
+                            ->end()
+                            ->arrayNode('verbosity_levels') // console
+                                ->beforeNormalization()
+                                    ->ifArray()
+                                    ->then(function ($v) {
+                                        $map = array();
+                                        $verbosities = array('VERBOSITY_QUIET', 'VERBOSITY_NORMAL', 'VERBOSITY_VERBOSE', 'VERBOSITY_VERY_VERBOSE', 'VERBOSITY_DEBUG');
+                                        // allow numeric indexed array with ascendning verbosity and lowercase names of the constants
+                                        foreach ($v as $verbosity => $level) {
+                                            if (is_int($verbosity) && isset($verbosities[$verbosity])) {
+                                                $map[$verbosities[$verbosity]] = strtoupper($level);
+                                            } else {
+                                                $map[strtoupper($verbosity)] = strtoupper($level);
+                                            }
+                                        }
+
+                                        return $map;
+                                    })
+                                ->end()
+                                ->children()
+                                    ->scalarNode('VERBOSITY_QUIET')->defaultValue('ERROR')->end()
+                                    ->scalarNode('VERBOSITY_NORMAL')->defaultValue('WARNING')->end()
+                                    ->scalarNode('VERBOSITY_VERBOSE')->defaultValue('NOTICE')->end()
+                                    ->scalarNode('VERBOSITY_VERY_VERBOSE')->defaultValue('INFO')->end()
+                                    ->scalarNode('VERBOSITY_DEBUG')->defaultValue('DEBUG')->end()
+                                ->end()
+                                ->validate()
+                                    ->always(function ($v) {
+                                        $map = array();
+                                        foreach ($v as $verbosity => $level) {
+                                            $verbosityConstant = 'Symfony\Component\Console\Output\OutputInterface::'.$verbosity;
+
+                                            if (!defined($verbosityConstant)) {
+                                                throw new InvalidConfigurationException(sprintf(
+                                                    'The configured verbosity "%s" is invalid as it is not defined in Symfony\Component\Console\Output\OutputInterface.',
+                                                     $verbosity
+                                                ));
+                                            }
+                                            if (!is_numeric($level)) {
+                                                $levelConstant = 'Monolog\Logger::'.$level;
+                                                if (!defined($levelConstant)) {
+                                                    throw new InvalidConfigurationException(sprintf(
+                                                        'The configured minimum log level "%s" for verbosity "%s" is invalid as it is not defined in Monolog\Logger.',
+                                                         $level, $verbosity
+                                                    ));
+                                                }
+                                                $level = constant($levelConstant);
+                                            } else {
+                                                $level = (int) $level;
+                                            }
+
+                                            $map[constant($verbosityConstant)] = $level;
+                                        }
+
+                                        return $map;
+                                    })
+                                ->end()
+                            ->end()
+                            ->arrayNode('channels')
+                                ->fixXmlConfig('channel', 'elements')
+                                ->canBeUnset()
+                                ->beforeNormalization()
+                                    ->ifString()
+                                    ->then(function ($v) { return array('elements' => array($v)); })
+                                ->end()
+                                ->beforeNormalization()
+                                    ->ifTrue(function ($v) { return is_array($v) && is_numeric(key($v)); })
+                                    ->then(function ($v) { return array('elements' => $v); })
+                                ->end()
+                                ->validate()
+                                    ->ifTrue(function ($v) { return empty($v); })
+                                    ->thenUnset()
+                                ->end()
+                                ->validate()
+                                    ->always(function ($v) {
+                                        $isExclusive = null;
+                                        if (isset($v['type'])) {
+                                            $isExclusive = 'exclusive' === $v['type'];
+                                        }
+
+                                        $elements = array();
+                                        foreach ($v['elements'] as $element) {
+                                            if (0 === strpos($element, '!')) {
+                                                if (false === $isExclusive) {
+                                                    throw new InvalidConfigurationException('Cannot combine exclusive/inclusive definitions in channels list.');
+                                                }
+                                                $elements[] = substr($element, 1);
+                                                $isExclusive = true;
+                                            } else {
+                                                if (true === $isExclusive) {
+                                                    throw new InvalidConfigurationException('Cannot combine exclusive/inclusive definitions in channels list');
+                                                }
+                                                $elements[] = $element;
+                                                $isExclusive = false;
+                                            }
+                                        }
+
+                                        if (!count($elements)) {
+                                            return null;
+                                        }
+
+                                        return array('type' => $isExclusive ? 'exclusive' : 'inclusive', 'elements' => $elements);
+                                    })
+                                ->end()
+                                ->children()
+                                    ->scalarNode('type')
+                                        ->validate()
+                                            ->ifNotInArray(array('inclusive', 'exclusive'))
+                                            ->thenInvalid('The type of channels has to be inclusive or exclusive')
+                                        ->end()
+                                    ->end()
+                                    ->arrayNode('elements')
+                                        ->prototype('scalar')->end()
+                                    ->end()
+                                ->end()
+                            ->end()
+                            ->scalarNode('formatter')->end()
+                            ->booleanNode('nested')->defaultFalse()->end()
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'service' === $v['type'] && !empty($v['formatter']); })
+                            ->thenInvalid('Service handlers can not have a formatter configured in the bundle, you must reconfigure the service itself instead')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return ('fingers_crossed' === $v['type'] || 'buffer' === $v['type'] || 'filter' === $v['type']) && empty($v['handler']); })
+                            ->thenInvalid('The handler has to be specified to use a FingersCrossedHandler or BufferHandler or FilterHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'fingers_crossed' === $v['type'] && !empty($v['excluded_404s']) && !empty($v['activation_strategy']); })
+                            ->thenInvalid('You can not use excluded_404s together with a custom activation_strategy in a FingersCrossedHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'fingers_crossed' === $v['type'] && !empty($v['excluded_http_codes']) && !empty($v['activation_strategy']); })
+                            ->thenInvalid('You can not use excluded_http_codes together with a custom activation_strategy in a FingersCrossedHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'fingers_crossed' === $v['type'] && !empty($v['excluded_http_codes']) && !empty($v['excluded_404s']); })
+                            ->thenInvalid('You can not use excluded_http_codes together with excluded_404s in a FingersCrossedHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'filter' === $v['type'] && "DEBUG" !== $v['min_level'] && !empty($v['accepted_levels']); })
+                            ->thenInvalid('You can not use min_level together with accepted_levels in a FilterHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'filter' === $v['type'] && "EMERGENCY" !== $v['max_level'] && !empty($v['accepted_levels']); })
+                            ->thenInvalid('You can not use max_level together with accepted_levels in a FilterHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'rollbar' === $v['type'] && !empty($v['id']) && !empty($v['token']); })
+                            ->thenInvalid('You can not use both an id and a token in a RollbarHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'rollbar' === $v['type'] && empty($v['id']) && empty($v['token']); })
+                            ->thenInvalid('The id or the token has to be specified to use a RollbarHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'swift_mailer' === $v['type'] && empty($v['email_prototype']) && (empty($v['from_email']) || empty($v['to_email']) || empty($v['subject'])); })
+                            ->thenInvalid('The sender, recipient and subject or an email prototype have to be specified to use a SwiftMailerHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'native_mailer' === $v['type'] && (empty($v['from_email']) || empty($v['to_email']) || empty($v['subject'])); })
+                            ->thenInvalid('The sender, recipient and subject have to be specified to use a NativeMailerHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'service' === $v['type'] && !isset($v['id']); })
+                            ->thenInvalid('The id has to be specified to use a service as handler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'syslogudp' === $v['type'] && !isset($v['host']); })
+                            ->thenInvalid('The host has to be specified to use a syslogudp as handler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'gelf' === $v['type'] && !isset($v['publisher']); })
+                            ->thenInvalid('The publisher has to be specified to use a GelfHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'socket' === $v['type'] && !isset($v['connection_string']); })
+                            ->thenInvalid('The connection_string has to be specified to use a SocketHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'pushover' === $v['type'] && (empty($v['token']) || empty($v['user'])); })
+                            ->thenInvalid('The token and user have to be specified to use a PushoverHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'raven' === $v['type'] && !array_key_exists('dsn', $v) && null === $v['client_id']; })
+                            ->thenInvalid('The DSN has to be specified to use a RavenHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'hipchat' === $v['type'] && (empty($v['token']) || empty($v['room'])); })
+                            ->thenInvalid('The token and room have to be specified to use a HipChatHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'hipchat' === $v['type'] && !in_array($v['message_format'], array('text', 'html')); })
+                            ->thenInvalid('The message_format has to be "text" or "html" in a HipChatHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'hipchat' === $v['type'] && null !== $v['api_version'] && !in_array($v['api_version'], array('v1', 'v2'), true); })
+                            ->thenInvalid('The api_version has to be "v1" or "v2" in a HipChatHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'slack' === $v['type'] && (empty($v['token']) || empty($v['channel'])); })
+                            ->thenInvalid('The token and channel have to be specified to use a SlackHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'slackwebhook' === $v['type'] && (empty($v['webhook_url'])); })
+                            ->thenInvalid('The webhook_url have to be specified to use a SlackWebhookHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'slackbot' === $v['type'] && (empty($v['team']) || empty($v['token']) || empty($v['channel'])); })
+                            ->thenInvalid('The team, token and channel have to be specified to use a SlackbotHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'cube' === $v['type'] && empty($v['url']); })
+                            ->thenInvalid('The url has to be specified to use a CubeHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'mongo' === $v['type'] && !isset($v['mongo']); })
+                            ->thenInvalid('The mongo configuration has to be specified to use a MongoHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'amqp' === $v['type'] && empty($v['exchange']); })
+                            ->thenInvalid('The exchange has to be specified to use a AmqpHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'loggly' === $v['type'] && empty($v['token']); })
+                            ->thenInvalid('The token has to be specified to use a LogglyHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'loggly' === $v['type'] && !empty($v['tags']); })
+                            ->then(function ($v) {
+                                $invalidTags = preg_grep('/^[a-z0-9][a-z0-9\.\-_]*$/i', $v['tags'], PREG_GREP_INVERT);
+                                if (!empty($invalidTags)) {
+                                    throw new InvalidConfigurationException(sprintf('The following Loggly tags are invalid: %s.', implode(', ', $invalidTags)));
+                                }
+
+                                return $v;
+                            })
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'logentries' === $v['type'] && empty($v['token']); })
+                            ->thenInvalid('The token has to be specified to use a LogEntriesHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'flowdock' === $v['type'] && empty($v['token']); })
+                            ->thenInvalid('The token has to be specified to use a FlowdockHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'flowdock' === $v['type'] && empty($v['from_email']); })
+                            ->thenInvalid('The from_email has to be specified to use a FlowdockHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'flowdock' === $v['type'] && empty($v['source']); })
+                            ->thenInvalid('The source has to be specified to use a FlowdockHandler')
+                        ->end()
+                        ->validate()
+                            ->ifTrue(function ($v) { return 'server_log' === $v['type'] && empty($v['host']); })
+                            ->thenInvalid('The host has to be specified to use a ServerLogHandler')
+                        ->end()
+                    ->end()
+                    ->validate()
+                        ->ifTrue(function ($v) { return isset($v['debug']); })
+                        ->thenInvalid('The "debug" name cannot be used as it is reserved for the handler of the profiler')
+                    ->end()
+                    ->example(array(
+                        'syslog' => array(
+                            'type' => 'stream',
+                            'path' => '/var/log/symfony.log',
+                            'level' => 'ERROR',
+                            'bubble' => 'false',
+                            'formatter' => 'my_formatter',
+                            ),
+                        'main' => array(
+                            'type' => 'fingers_crossed',
+                            'action_level' => 'WARNING',
+                            'buffer_size' => 30,
+                            'handler' => 'custom',
+                            ),
+                        'custom' => array(
+                            'type' => 'service',
+                            'id' => 'my_handler',
+                            )
+                        ))
+                ->end()
+            ->end()
+        ;
+
+        return $treeBuilder;
+    }
+}

vendor/symfony/monolog-bundle/DependencyInjection/MonologExtension.php

@@ -0,0 +1,799 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\MonologBundle\DependencyInjection;
+
+use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * MonologExtension is an extension for the Monolog library.
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+class MonologExtension extends Extension
+{
+    private $nestedHandlers = array();
+
+    private $swiftMailerHandlers = array();
+
+    private function levelToMonologConst($level)
+    {
+        return is_int($level) ? $level : constant('Monolog\Logger::'.strtoupper($level));
+    }
+
+    /**
+     * Loads the Monolog configuration.
+     *
+     * @param array            $configs   An array of configuration settings
+     * @param ContainerBuilder $container A ContainerBuilder instance
+     */
+    public function load(array $configs, ContainerBuilder $container)
+    {
+        $configuration = $this->getConfiguration($configs, $container);
+        $config = $this->processConfiguration($configuration, $configs);
+
+
+        if (isset($config['handlers'])) {
+            $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+            $loader->load('monolog.xml');
+
+            $container->setParameter('monolog.use_microseconds', $config['use_microseconds']);
+
+            // always autowire the main logger, require Symfony >= 2.8, < 3.3
+            if (!method_exists('Symfony\Component\DependencyInjection\ContainerBuilder', 'fileExists') && method_exists('Symfony\Component\DependencyInjection\Definition', 'addAutowiringType')) {
+                $container->getDefinition('monolog.logger')->addAutowiringType('Psr\Log\LoggerInterface');
+            }
+
+            $handlers = array();
+
+            foreach ($config['handlers'] as $name => $handler) {
+                $handlers[$handler['priority']][] = array(
+                    'id' => $this->buildHandler($container, $name, $handler),
+                    'channels' => empty($handler['channels']) ? null : $handler['channels'],
+                );
+            }
+
+            $container->setParameter(
+                'monolog.swift_mailer.handlers',
+                $this->swiftMailerHandlers
+            );
+
+            ksort($handlers);
+            $sortedHandlers = array();
+            foreach ($handlers as $priorityHandlers) {
+                foreach (array_reverse($priorityHandlers) as $handler) {
+                    $sortedHandlers[] = $handler;
+                }
+            }
+
+            $handlersToChannels = array();
+            foreach ($sortedHandlers as $handler) {
+                if (!in_array($handler['id'], $this->nestedHandlers)) {
+                    $handlersToChannels[$handler['id']] = $handler['channels'];
+                }
+            }
+            $container->setParameter('monolog.handlers_to_channels', $handlersToChannels);
+
+            if (PHP_VERSION_ID < 70000) {
+                $this->addClassesToCompile(array(
+                    'Monolog\\Formatter\\FormatterInterface',
+                    'Monolog\\Formatter\\LineFormatter',
+                    'Monolog\\Handler\\HandlerInterface',
+                    'Monolog\\Handler\\AbstractHandler',
+                    'Monolog\\Handler\\AbstractProcessingHandler',
+                    'Monolog\\Handler\\StreamHandler',
+                    'Monolog\\Handler\\FingersCrossedHandler',
+                    'Monolog\\Handler\\FilterHandler',
+                    'Monolog\\Handler\\TestHandler',
+                    'Monolog\\Logger',
+                    'Symfony\\Bridge\\Monolog\\Logger',
+                    'Monolog\\Handler\\FingersCrossed\\ActivationStrategyInterface',
+                    'Monolog\\Handler\\FingersCrossed\\ErrorLevelActivationStrategy',
+                ));
+            }
+        }
+
+        $container->setParameter('monolog.additional_channels', isset($config['channels']) ? $config['channels'] : array());
+    }
+
+    /**
+     * Returns the base path for the XSD files.
+     *
+     * @return string The XSD base path
+     */
+    public function getXsdValidationBasePath()
+    {
+        return __DIR__.'/../Resources/config/schema';
+    }
+
+    public function getNamespace()
+    {
+        return 'http://symfony.com/schema/dic/monolog';
+    }
+
+    private function buildHandler(ContainerBuilder $container, $name, array $handler)
+    {
+        $handlerId = $this->getHandlerId($name);
+        if ('service' === $handler['type']) {
+            $container->setAlias($handlerId, $handler['id']);
+
+            return $handlerId;
+        }
+
+        $definition = new Definition($this->getHandlerClassByType($handler['type']));
+
+        $handler['level'] = $this->levelToMonologConst($handler['level']);
+
+        if ($handler['include_stacktraces']) {
+            $definition->setConfigurator(array('Symfony\\Bundle\\MonologBundle\\MonologBundle', 'includeStacktraces'));
+        }
+
+        if ($handler['process_psr_3_messages']) {
+            $processorId = 'monolog.processor.psr_log_message';
+            if (!$container->hasDefinition($processorId)) {
+                $processor = new Definition('Monolog\\Processor\\PsrLogMessageProcessor');
+                $processor->setPublic(false);
+                $container->setDefinition($processorId, $processor);
+            }
+
+            $definition->addMethodCall('pushProcessor', array(new Reference($processorId)));
+        }
+
+        switch ($handler['type']) {
+        case 'stream':
+            $definition->setArguments(array(
+                $handler['path'],
+                $handler['level'],
+                $handler['bubble'],
+                $handler['file_permission'],
+            ));
+            break;
+
+        case 'console':
+            $definition->setArguments(array(
+                null,
+                $handler['bubble'],
+                isset($handler['verbosity_levels']) ? $handler['verbosity_levels'] : array(),
+            ));
+            $definition->addTag('kernel.event_subscriber');
+            break;
+
+        case 'firephp':
+            $definition->setArguments(array(
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            $definition->addTag('kernel.event_listener', array('event' => 'kernel.response', 'method' => 'onKernelResponse'));
+            break;
+
+        case 'gelf':
+            if (isset($handler['publisher']['id'])) {
+                $publisher = new Reference($handler['publisher']['id']);
+            } elseif (class_exists('Gelf\Transport\UdpTransport')) {
+                $transport = new Definition("Gelf\Transport\UdpTransport", array(
+                    $handler['publisher']['hostname'],
+                    $handler['publisher']['port'],
+                    $handler['publisher']['chunk_size'],
+                ));
+                $transport->setPublic(false);
+
+                $publisher = new Definition('Gelf\Publisher', array());
+                $publisher->addMethodCall('addTransport', array($transport));
+                $publisher->setPublic(false);
+            } elseif (class_exists('Gelf\MessagePublisher')) {
+                $publisher = new Definition('Gelf\MessagePublisher', array(
+                    $handler['publisher']['hostname'],
+                    $handler['publisher']['port'],
+                    $handler['publisher']['chunk_size'],
+                ));
+
+                $publisher->setPublic(false);
+            } else {
+                throw new \RuntimeException('The gelf handler requires the graylog2/gelf-php package to be installed');
+            }
+
+            $definition->setArguments(array(
+                $publisher,
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'mongo':
+            if (isset($handler['mongo']['id'])) {
+                $client = new Reference($handler['mongo']['id']);
+            } else {
+                $server = 'mongodb://';
+
+                if (isset($handler['mongo']['user'])) {
+                    $server .= $handler['mongo']['user'].':'.$handler['mongo']['pass'].'@';
+                }
+
+                $server .= $handler['mongo']['host'].':'.$handler['mongo']['port'];
+
+                $client = new Definition('MongoClient', array(
+                    $server,
+                ));
+
+                $client->setPublic(false);
+            }
+
+            $definition->setArguments(array(
+                $client,
+                $handler['mongo']['database'],
+                $handler['mongo']['collection'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'elasticsearch':
+            if (isset($handler['elasticsearch']['id'])) {
+                $elasticaClient = new Reference($handler['elasticsearch']['id']);
+            } else {
+                // elastica client new definition
+                $elasticaClient = new Definition('Elastica\Client');
+                $elasticaClientArguments = array(
+                    'host' => $handler['elasticsearch']['host'],
+                    'port' => $handler['elasticsearch']['port'],
+                    'transport' => $handler['elasticsearch']['transport'],
+                );
+
+                if (isset($handler['elasticsearch']['user']) && isset($handler['elasticsearch']['password'])) {
+                    $elasticaClientArguments = array_merge(
+                        $elasticaClientArguments,
+                        array(
+                            'headers' => array(
+                                'Authorization' => 'Basic ' . base64_encode($handler['elasticsearch']['user'] . ':' . $handler['elasticsearch']['password'])
+                            )
+                        )
+                    );
+                }
+
+                $elasticaClient->setArguments(array(
+                    $elasticaClientArguments
+                ));
+
+                $elasticaClient->setPublic(false);
+            }
+
+            // elastica handler definition
+            $definition->setArguments(array(
+                $elasticaClient,
+                array(
+                    'index' => $handler['index'],
+                    'type' => $handler['document_type'],
+                    'ignore_error' => $handler['ignore_error']
+                ),
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'chromephp':
+            $definition->setArguments(array(
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            $definition->addTag('kernel.event_listener', array('event' => 'kernel.response', 'method' => 'onKernelResponse'));
+            break;
+
+        case 'rotating_file':
+            $definition->setArguments(array(
+                $handler['path'],
+                $handler['max_files'],
+                $handler['level'],
+                $handler['bubble'],
+                $handler['file_permission'],
+            ));
+            $definition->addMethodCall('setFilenameFormat', array(
+                $handler['filename_format'],
+                $handler['date_format'],
+            ));
+            break;
+
+        case 'fingers_crossed':
+            $handler['action_level'] = $this->levelToMonologConst($handler['action_level']);
+            if (null !== $handler['passthru_level']) {
+                $handler['passthru_level'] = $this->levelToMonologConst($handler['passthru_level']);
+            }
+            $nestedHandlerId = $this->getHandlerId($handler['handler']);
+            $this->markNestedHandler($nestedHandlerId);
+
+            if (isset($handler['activation_strategy'])) {
+                $activation = new Reference($handler['activation_strategy']);
+            } elseif (!empty($handler['excluded_404s'])) {
+                $activationDef = new Definition('Symfony\Bridge\Monolog\Handler\FingersCrossed\NotFoundActivationStrategy', array(
+                    new Reference('request_stack'),
+                    $handler['excluded_404s'],
+                    $handler['action_level']
+                ));
+                $container->setDefinition($handlerId.'.not_found_strategy', $activationDef);
+                $activation = new Reference($handlerId.'.not_found_strategy');
+            } elseif (!empty($handler['excluded_http_codes'])) {
+                if (!class_exists('Symfony\Bridge\Monolog\Handler\FingersCrossed\HttpCodeActivationStrategy')) {
+                    throw new \LogicException('"excluded_http_codes" cannot be used as your version of Monolog bridge does not support it.');
+                }
+                $activationDef = new Definition('Symfony\Bridge\Monolog\Handler\FingersCrossed\HttpCodeActivationStrategy', array(
+                    new Reference('request_stack'),
+                    $handler['excluded_http_codes'],
+                    $handler['action_level']
+                ));
+                $container->setDefinition($handlerId.'.http_code_strategy', $activationDef);
+                $activation = new Reference($handlerId.'.http_code_strategy');
+            } else {
+                $activation = $handler['action_level'];
+            }
+
+            $definition->setArguments(array(
+                new Reference($nestedHandlerId),
+                $activation,
+                $handler['buffer_size'],
+                $handler['bubble'],
+                $handler['stop_buffering'],
+                $handler['passthru_level'],
+            ));
+            break;
+
+        case 'filter':
+            $handler['min_level'] = $this->levelToMonologConst($handler['min_level']);
+            $handler['max_level'] = $this->levelToMonologConst($handler['max_level']);
+            foreach (array_keys($handler['accepted_levels']) as $k) {
+                $handler['accepted_levels'][$k] = $this->levelToMonologConst($handler['accepted_levels'][$k]);
+            }
+
+            $nestedHandlerId = $this->getHandlerId($handler['handler']);
+            $this->markNestedHandler($nestedHandlerId);
+            $minLevelOrList = !empty($handler['accepted_levels']) ? $handler['accepted_levels'] : $handler['min_level'];
+
+            $definition->setArguments(array(
+                new Reference($nestedHandlerId),
+                $minLevelOrList,
+                $handler['max_level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'buffer':
+            $nestedHandlerId = $this->getHandlerId($handler['handler']);
+            $this->markNestedHandler($nestedHandlerId);
+
+            $definition->setArguments(array(
+                new Reference($nestedHandlerId),
+                $handler['buffer_size'],
+                $handler['level'],
+                $handler['bubble'],
+                $handler['flush_on_overflow'],
+            ));
+            break;
+
+        case 'deduplication':
+            $nestedHandlerId = $this->getHandlerId($handler['handler']);
+            $this->markNestedHandler($nestedHandlerId);
+            $defaultStore = '%kernel.cache_dir%/monolog_dedup_'.sha1($handlerId);
+
+            $definition->setArguments(array(
+                new Reference($nestedHandlerId),
+                isset($handler['store']) ? $handler['store'] : $defaultStore,
+                $handler['deduplication_level'],
+                $handler['time'],
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'group':
+        case 'whatfailuregroup':
+            $references = array();
+            foreach ($handler['members'] as $nestedHandler) {
+                $nestedHandlerId = $this->getHandlerId($nestedHandler);
+                $this->markNestedHandler($nestedHandlerId);
+                $references[] = new Reference($nestedHandlerId);
+            }
+
+            $definition->setArguments(array(
+                $references,
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'syslog':
+            $definition->setArguments(array(
+                $handler['ident'],
+                $handler['facility'],
+                $handler['level'],
+                $handler['bubble'],
+                $handler['logopts'],
+            ));
+            break;
+
+        case 'syslogudp':
+            $definition->setArguments(array(
+                $handler['host'],
+                $handler['port'],
+                $handler['facility'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'swift_mailer':
+            if (isset($handler['email_prototype'])) {
+                if (!empty($handler['email_prototype']['method'])) {
+                    $prototype = array(new Reference($handler['email_prototype']['id']), $handler['email_prototype']['method']);
+                } else {
+                    $prototype = new Reference($handler['email_prototype']['id']);
+                }
+            } else {
+                $messageFactory = new Definition('Symfony\Bundle\MonologBundle\SwiftMailer\MessageFactory');
+                $messageFactory->setLazy(true);
+                $messageFactory->setPublic(false);
+                $messageFactory->setArguments(array(
+                    new Reference($handler['mailer']),
+                    $handler['from_email'],
+                    $handler['to_email'],
+                    $handler['subject'],
+                    $handler['content_type']
+                ));
+
+                $messageFactoryId = sprintf('%s.mail_message_factory', $handlerId);
+                $container->setDefinition($messageFactoryId, $messageFactory);
+                // set the prototype as a callable
+                $prototype = array(new Reference($messageFactoryId), 'createMessage');
+            }
+            $definition->setArguments(array(
+                new Reference($handler['mailer']),
+                $prototype,
+                $handler['level'],
+                $handler['bubble'],
+            ));
+
+            $this->swiftMailerHandlers[] = $handlerId;
+            $definition->addTag('kernel.event_listener', array('event' => 'kernel.terminate', 'method' => 'onKernelTerminate'));
+            $definition->addTag('kernel.event_listener', array('event' => 'console.terminate', 'method' => 'onCliTerminate'));
+            break;
+
+        case 'native_mailer':
+            $definition->setArguments(array(
+                $handler['to_email'],
+                $handler['subject'],
+                $handler['from_email'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'socket':
+            $definition->setArguments(array(
+                $handler['connection_string'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            if (isset($handler['timeout'])) {
+                $definition->addMethodCall('setTimeout', array($handler['timeout']));
+            }
+            if (isset($handler['connection_timeout'])) {
+                $definition->addMethodCall('setConnectionTimeout', array($handler['connection_timeout']));
+            }
+            if (isset($handler['persistent'])) {
+                $definition->addMethodCall('setPersistent', array($handler['persistent']));
+            }
+            break;
+
+        case 'pushover':
+            $definition->setArguments(array(
+                $handler['token'],
+                $handler['user'],
+                $handler['title'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            if (isset($handler['timeout'])) {
+                $definition->addMethodCall('setTimeout', array($handler['timeout']));
+            }
+            if (isset($handler['connection_timeout'])) {
+                $definition->addMethodCall('setConnectionTimeout', array($handler['connection_timeout']));
+            }
+            break;
+
+        case 'hipchat':
+            $definition->setArguments(array(
+                $handler['token'],
+                $handler['room'],
+                $handler['nickname'],
+                $handler['notify'],
+                $handler['level'],
+                $handler['bubble'],
+                $handler['use_ssl'],
+                $handler['message_format'],
+                !empty($handler['host']) ? $handler['host'] : 'api.hipchat.com',
+                !empty($handler['api_version']) ? $handler['api_version'] : 'v1',
+            ));
+            if (isset($handler['timeout'])) {
+                $definition->addMethodCall('setTimeout', array($handler['timeout']));
+            }
+            if (isset($handler['connection_timeout'])) {
+                $definition->addMethodCall('setConnectionTimeout', array($handler['connection_timeout']));
+            }
+            break;
+
+        case 'slack':
+            $definition->setArguments(array(
+                $handler['token'],
+                $handler['channel'],
+                $handler['bot_name'],
+                $handler['use_attachment'],
+                $handler['icon_emoji'],
+                $handler['level'],
+                $handler['bubble'],
+                $handler['use_short_attachment'],
+                $handler['include_extra'],
+            ));
+            if (isset($handler['timeout'])) {
+                $definition->addMethodCall('setTimeout', array($handler['timeout']));
+            }
+            if (isset($handler['connection_timeout'])) {
+                $definition->addMethodCall('setConnectionTimeout', array($handler['connection_timeout']));
+            }
+            break;
+
+        case 'slackwebhook':
+            $definition->setArguments(array(
+                $handler['webhook_url'],
+                $handler['channel'],
+                $handler['bot_name'],
+                $handler['use_attachment'],
+                $handler['icon_emoji'],
+                $handler['use_short_attachment'],
+                $handler['include_extra'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'slackbot':
+            $definition->setArguments(array(
+                $handler['team'],
+                $handler['token'],
+                urlencode($handler['channel']),
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'cube':
+            $definition->setArguments(array(
+                $handler['url'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'amqp':
+            $definition->setArguments(array(
+                new Reference($handler['exchange']),
+                $handler['exchange_name'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'error_log':
+            $definition->setArguments(array(
+                $handler['message_type'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        case 'raven':
+            if (null !== $handler['client_id']) {
+                $clientId = $handler['client_id'];
+            } else {
+                $client = new Definition('Raven_Client', array(
+                    $handler['dsn'],
+                    array('auto_log_stacks' => $handler['auto_log_stacks'])
+                ));
+                $client->setPublic(false);
+                $clientId = 'monolog.raven.client.'.sha1($handler['dsn']);
+                $container->setDefinition($clientId, $client);
+            }
+            $definition->setArguments(array(
+                new Reference($clientId),
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            if (!empty($handler['release'])) {
+                $definition->addMethodCall('setRelease', array($handler['release']));
+            }
+            break;
+
+        case 'loggly':
+            $definition->setArguments(array(
+                $handler['token'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            if (!empty($handler['tags'])) {
+                $definition->addMethodCall('setTag', array(implode(',', $handler['tags'])));
+            }
+            break;
+
+        case 'logentries':
+            $definition->setArguments(array(
+                $handler['token'],
+                $handler['use_ssl'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            if (isset($handler['timeout'])) {
+                $definition->addMethodCall('setTimeout', array($handler['timeout']));
+            }
+            if (isset($handler['connection_timeout'])) {
+                $definition->addMethodCall('setConnectionTimeout', array($handler['connection_timeout']));
+            }
+            break;
+
+        case 'flowdock':
+            $definition->setArguments(array(
+                $handler['token'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+
+            if (empty($handler['formatter'])) {
+                $formatter = new Definition("Monolog\Formatter\FlowdockFormatter", array(
+                    $handler['source'],
+                    $handler['from_email'],
+                ));
+                $formatterId = 'monolog.flowdock.formatter.'.sha1($handler['source'].'|'.$handler['from_email']);
+                $formatter->setPublic(false);
+                $container->setDefinition($formatterId, $formatter);
+
+                $definition->addMethodCall('setFormatter', array(new Reference($formatterId)));
+            }
+            break;
+
+        case 'rollbar':
+            if (!empty($handler['id'])) {
+                $rollbarId = $handler['id'];
+            } else {
+                $config = $handler['config'] ?: array();
+                $config['access_token'] = $handler['token'];
+                $rollbar = new Definition('RollbarNotifier', array(
+                    $config,
+                ));
+                $rollbarId = 'monolog.rollbar.notifier.'.sha1(json_encode($config));
+                $rollbar->setPublic(false);
+                $container->setDefinition($rollbarId, $rollbar);
+            }
+
+            $definition->setArguments(array(
+                new Reference($rollbarId),
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+        case 'newrelic':
+            $definition->setArguments(array(
+                $handler['level'],
+                $handler['bubble'],
+                $handler['app_name'],
+            ));
+            break;
+        case 'server_log':
+            if (!class_exists('Symfony\Bridge\Monolog\Handler\ServerLogHandler')) {
+                throw new \RuntimeException('The ServerLogHandler is not available. Please update "symfony/monolog-bridge" to 3.3.');
+            }
+
+            $definition->setArguments(array(
+                $handler['host'],
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        // Handlers using the constructor of AbstractHandler without adding their own arguments
+        case 'browser_console':
+        case 'test':
+        case 'null':
+        case 'debug':
+            $definition->setArguments(array(
+                $handler['level'],
+                $handler['bubble'],
+            ));
+            break;
+
+        default:
+            throw new \InvalidArgumentException(sprintf('Invalid handler type "%s" given for handler "%s"', $handler['type'], $name));
+        }
+
+        if (!empty($handler['nested']) && true === $handler['nested']) {
+            $this->markNestedHandler($handlerId);
+        }
+
+        if (!empty($handler['formatter'])) {
+            $definition->addMethodCall('setFormatter', array(new Reference($handler['formatter'])));
+        }
+        $container->setDefinition($handlerId, $definition);
+
+        return $handlerId;
+    }
+
+    private function markNestedHandler($nestedHandlerId)
+    {
+        if (in_array($nestedHandlerId, $this->nestedHandlers)) {
+            return;
+        }
+
+        $this->nestedHandlers[] = $nestedHandlerId;
+    }
+
+    private function getHandlerId($name)
+    {
+        return sprintf('monolog.handler.%s', $name);
+    }
+
+    private function getHandlerClassByType($handlerType)
+    {
+        $typeToClassMapping = array(
+            'stream' => 'Monolog\Handler\StreamHandler',
+            'console' => 'Symfony\Bridge\Monolog\Handler\ConsoleHandler',
+            'group' => 'Monolog\Handler\GroupHandler',
+            'buffer' => 'Monolog\Handler\BufferHandler',
+            'deduplication' => 'Monolog\Handler\DeduplicationHandler',
+            'rotating_file' => 'Monolog\Handler\RotatingFileHandler',
+            'syslog' => 'Monolog\Handler\SyslogHandler',
+            'syslogudp' => 'Monolog\Handler\SyslogUdpHandler',
+            'null' => 'Monolog\Handler\NullHandler',
+            'test' => 'Monolog\Handler\TestHandler',
+            'gelf' => 'Monolog\Handler\GelfHandler',
+            'rollbar' => 'Monolog\Handler\RollbarHandler',
+            'flowdock' => 'Monolog\Handler\FlowdockHandler',
+            'browser_console' => 'Monolog\Handler\BrowserConsoleHandler',
+            'firephp' => 'Symfony\Bridge\Monolog\Handler\FirePHPHandler',
+            'chromephp' => 'Symfony\Bridge\Monolog\Handler\ChromePhpHandler',
+            'debug' => 'Symfony\Bridge\Monolog\Handler\DebugHandler',
+            'swift_mailer' => 'Symfony\Bridge\Monolog\Handler\SwiftMailerHandler',
+            'native_mailer' => 'Monolog\Handler\NativeMailerHandler',
+            'socket' => 'Monolog\Handler\SocketHandler',
+            'pushover' => 'Monolog\Handler\PushoverHandler',
+            'raven' => 'Monolog\Handler\RavenHandler',
+            'newrelic' => 'Monolog\Handler\NewRelicHandler',
+            'hipchat' => 'Monolog\Handler\HipChatHandler',
+            'slack' => 'Monolog\Handler\SlackHandler',
+            'slackwebhook' => 'Monolog\Handler\SlackWebhookHandler',
+            'slackbot' => 'Monolog\Handler\SlackbotHandler',
+            'cube' => 'Monolog\Handler\CubeHandler',
+            'amqp' => 'Monolog\Handler\AmqpHandler',
+            'error_log' => 'Monolog\Handler\ErrorLogHandler',
+            'loggly' => 'Monolog\Handler\LogglyHandler',
+            'logentries' => 'Monolog\Handler\LogEntriesHandler',
+            'whatfailuregroup' => 'Monolog\Handler\WhatFailureGroupHandler',
+            'fingers_crossed' => 'Monolog\Handler\FingersCrossedHandler',
+            'filter' => 'Monolog\Handler\FilterHandler',
+            'mongo' => 'Monolog\Handler\MongoDBHandler',
+            'elasticsearch' => 'Monolog\Handler\ElasticSearchHandler',
+            'server_log' => 'Symfony\Bridge\Monolog\Handler\ServerLogHandler',
+        );
+
+        if (!isset($typeToClassMapping[$handlerType])) {
+            throw new \InvalidArgumentException(sprintf('There is no handler class defined for handler "%s".', $handlerType));
+        }
+
+        return $typeToClassMapping[$handlerType];
+    }
+}

vendor/symfony/monolog-bundle/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2004-2012 Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

vendor/symfony/monolog-bundle/MonologBundle.php

@@ -0,0 +1,55 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\MonologBundle;
+
+use Monolog\Formatter\JsonFormatter;
+use Monolog\Formatter\LineFormatter;
+use Monolog\Handler\HandlerInterface;
+use Symfony\Bundle\MonologBundle\DependencyInjection\Compiler\AddSwiftMailerTransportPass;
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Bundle\MonologBundle\DependencyInjection\Compiler\LoggerChannelPass;
+use Symfony\Bundle\MonologBundle\DependencyInjection\Compiler\DebugHandlerPass;
+use Symfony\Bundle\MonologBundle\DependencyInjection\Compiler\AddProcessorsPass;
+use Symfony\Bundle\MonologBundle\DependencyInjection\Compiler\FixEmptyLoggerPass;
+
+/**
+ * Bundle.
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+class MonologBundle extends Bundle
+{
+    public function build(ContainerBuilder $container)
+    {
+        parent::build($container);
+
+        $container->addCompilerPass($channelPass = new LoggerChannelPass());
+        if (!class_exists('Symfony\Bridge\Monolog\Processor\DebugProcessor') || !class_exists('Symfony\Bundle\FrameworkBundle\DependencyInjection\Compiler\AddDebugLogProcessorPass')) {
+            $container->addCompilerPass(new DebugHandlerPass($channelPass));
+        }
+        $container->addCompilerPass(new FixEmptyLoggerPass($channelPass));
+        $container->addCompilerPass(new AddProcessorsPass());
+        $container->addCompilerPass(new AddSwiftMailerTransportPass());
+    }
+
+    /**
+     * @internal
+     */
+    public static function includeStacktraces(HandlerInterface $handler)
+    {
+        $formatter = $handler->getFormatter();
+        if ($formatter instanceof LineFormatter || $formatter instanceof JsonFormatter) {
+            $formatter->includeStacktraces();
+        }
+    }
+}

vendor/symfony/monolog-bundle/Resources/config/monolog.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" ?>
+
+<container xmlns="http://symfony.com/schema/dic/services"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
+
+    <services>
+        <service id="monolog.logger" parent="monolog.logger_prototype" public="false">
+            <argument index="0">app</argument>
+            <call method="useMicrosecondTimestamps">
+                <argument>%monolog.use_microseconds%</argument>
+            </call>
+        </service>
+
+        <service id="logger" alias="monolog.logger" />
+
+        <service id="Psr\Log\LoggerInterface" alias="logger" public="false" />
+
+        <service id="monolog.logger_prototype" class="Symfony\Bridge\Monolog\Logger" abstract="true">
+            <argument /><!-- Channel -->
+        </service>
+
+        <service id="monolog.activation_strategy.not_found" class="Symfony\Bridge\Monolog\Handler\FingersCrossed\NotFoundActivationStrategy" abstract="true" />
+        <service id="monolog.handler.fingers_crossed.error_level_activation_strategy" class="Monolog\Handler\FingersCrossed\ErrorLevelActivationStrategy" abstract="true" />
+
+        <!-- Formatters -->
+        <service id="monolog.formatter.chrome_php" class="Monolog\Formatter\ChromePHPFormatter" public="false" />
+        <service id="monolog.formatter.gelf_message" class="Monolog\Formatter\GelfMessageFormatter" public="false" />
+        <service id="monolog.formatter.html" class="Monolog\Formatter\HtmlFormatter" public="false" />
+        <service id="monolog.formatter.json" class="Monolog\Formatter\JsonFormatter" public="false" />
+        <service id="monolog.formatter.line" class="Monolog\Formatter\LineFormatter" public="false" />
+        <service id="monolog.formatter.loggly" class="Monolog\Formatter\LogglyFormatter" public="false" />
+        <service id="monolog.formatter.normalizer" class="Monolog\Formatter\NormalizerFormatter" public="false" />
+        <service id="monolog.formatter.scalar" class="Monolog\Formatter\ScalarFormatter" public="false" />
+        <service id="monolog.formatter.wildfire" class="Monolog\Formatter\WildfireFormatter" public="false" />
+        <service id="monolog.formatter.logstash" class="Monolog\Formatter\LogstashFormatter" public="false">
+            <argument index="0">app</argument>
+        </service>
+    </services>
+</container>

vendor/symfony/monolog-bundle/Resources/config/schema/monolog-1.0.xsd

@@ -0,0 +1,174 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<xsd:schema xmlns="http://symfony.com/schema/dic/monolog"
+    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+    targetNamespace="http://symfony.com/schema/dic/monolog"
+    elementFormDefault="qualified">
+
+    <xsd:element name="config" type="config" />
+
+    <xsd:complexType name="config">
+        <xsd:choice minOccurs="0" maxOccurs="unbounded">
+            <xsd:element name="handler" type="handler" />
+            <xsd:element name="channel" type="xsd:string" />
+        </xsd:choice>
+    </xsd:complexType>
+
+    <xsd:complexType name="handler">
+        <xsd:sequence>
+            <xsd:element name="email-prototype" type="email-prototype" minOccurs="0" maxOccurs="1" />
+            <xsd:element name="member" type="xsd:string" minOccurs="0" maxOccurs="unbounded" />
+            <xsd:element name="channels" type="channels" minOccurs="0" maxOccurs="1" />
+            <xsd:element name="publisher" type="publisher" minOccurs="0" maxOccurs="1" />
+            <xsd:element name="mongo" type="mongo" minOccurs="0" maxOccurs="1" />
+            <xsd:element name="elasticsearch" type="elasticsearch" minOccurs="0" maxOccurs="1" />
+            <xsd:element name="config" type="xsd:anyType" minOccurs="0" maxOccurs="1" />
+            <xsd:element name="excluded-404" type="xsd:string" minOccurs="0" maxOccurs="unbounded" />
+            <xsd:element name="excluded-http-code" type="excluded-http-code" minOccurs="0" maxOccurs="unbounded" />
+            <xsd:element name="tag" type="xsd:string" minOccurs="0" maxOccurs="unbounded" />
+            <xsd:element name="accepted-level" type="level" minOccurs="0" maxOccurs="unbounded" />
+            <xsd:element name="to-email" type="xsd:string" minOccurs="0" maxOccurs="unbounded" />
+        </xsd:sequence>
+        <xsd:attribute name="type" type="xsd:string" />
+        <xsd:attribute name="priority" type="xsd:integer" />
+        <xsd:attribute name="level" type="level" />
+        <xsd:attribute name="bubble" type="xsd:boolean" />
+        <xsd:attribute name="process-psr-3-messages" type="xsd:boolean" />
+        <xsd:attribute name="app-name" type="xsd:string" />
+        <xsd:attribute name="path" type="xsd:string" />
+        <xsd:attribute name="id" type="xsd:string" />
+        <xsd:attribute name="name" type="xsd:string" use="required" />
+        <xsd:attribute name="ident" type="xsd:string" />
+        <xsd:attribute name="facility" type="xsd:string" />
+        <xsd:attribute name="host" type="xsd:string" />
+        <xsd:attribute name="source" type="xsd:string" />
+        <xsd:attribute name="port" type="xsd:integer" />
+        <xsd:attribute name="action-level" type="level" />
+        <xsd:attribute name="passthru-level" type="level" />
+        <xsd:attribute name="min-level" type="level" />
+        <xsd:attribute name="max-level" type="level" />
+        <xsd:attribute name="buffer-size" type="xsd:integer" />
+        <xsd:attribute name="flush-on-overflow" type="xsd:boolean" />
+        <xsd:attribute name="max-files" type="xsd:integer" />
+        <xsd:attribute name="handler" type="xsd:string" />
+        <xsd:attribute name="from-email" type="xsd:string" />
+        <xsd:attribute name="to-email" type="xsd:string" />
+        <xsd:attribute name="subject" type="xsd:string" />
+        <xsd:attribute name="notify" type="xsd:boolean" />
+        <xsd:attribute name="room" type="xsd:string" />
+        <xsd:attribute name="nickname" type="xsd:string" />
+        <xsd:attribute name="release" type="xsd:string" />
+        <xsd:attribute name="timeout" type="xsd:string" />
+        <xsd:attribute name="time" type="xsd:integer" />
+        <xsd:attribute name="store" type="xsd:string" />
+        <xsd:attribute name="deduplication-level" type="level" />
+        <xsd:attribute name="connection-timeout" type="xsd:string" />
+        <xsd:attribute name="persistent" type="xsd:boolean" />
+        <xsd:attribute name="dsn" type="xsd:string" />
+        <xsd:attribute name="client-id" type="xsd:string" />
+        <xsd:attribute name="use-ssl" type="xsd:boolean" />
+        <xsd:attribute name="formatter" type="xsd:string" />
+        <xsd:attribute name="token" type="xsd:string" />
+        <xsd:attribute name="channel" type="xsd:string" />
+        <xsd:attribute name="bot-name" type="xsd:string" />
+        <xsd:attribute name="use-attachment" type="xsd:boolean" />
+        <xsd:attribute name="use-short-attachment" type="xsd:boolean" />
+        <xsd:attribute name="include-extra" type="xsd:boolean" />
+        <xsd:attribute name="icon-emoji" type="xsd:string" />
+        <xsd:attribute name="file-permission" type="xsd:string" />
+        <xsd:attribute name="filename-format" type="xsd:string" />
+        <xsd:attribute name="date-format" type="xsd:string" />
+        <xsd:attribute name="index" type="xsd:string" />
+        <xsd:attribute name="document_type" type="xsd:string" />
+        <xsd:attribute name="document-type" type="xsd:string" />
+        <xsd:attribute name="ignore-error" type="xsd:string" />
+        <xsd:attribute name="api_version" type="xsd:string" />
+        <xsd:attribute name="include-stacktraces" type="xsd:string" />
+        <xsd:attribute name="content-type" type="xsd:string" />
+        <xsd:attribute name="webhook-url" type="xsd:string" />
+        <xsd:attribute name="slack-team" type="xsd:string" />
+    </xsd:complexType>
+
+    <xsd:simpleType name="level">
+        <xsd:restriction base="xsd:string">
+            <xsd:enumeration value="debug" />
+            <xsd:enumeration value="info" />
+            <xsd:enumeration value="notice" />
+            <xsd:enumeration value="warning" />
+            <xsd:enumeration value="error" />
+            <xsd:enumeration value="critical" />
+            <xsd:enumeration value="alert" />
+            <xsd:enumeration value="emergency" />
+
+            <xsd:enumeration value="DEBUG" />
+            <xsd:enumeration value="INFO" />
+            <xsd:enumeration value="NOTICE" />
+            <xsd:enumeration value="WARNING" />
+            <xsd:enumeration value="ERROR" />
+            <xsd:enumeration value="CRITICAL" />
+            <xsd:enumeration value="ALERT" />
+            <xsd:enumeration value="EMERGENCY" />
+
+            <xsd:enumeration value="100" />
+            <xsd:enumeration value="200" />
+            <xsd:enumeration value="250" />
+            <xsd:enumeration value="300" />
+            <xsd:enumeration value="400" />
+            <xsd:enumeration value="500" />
+            <xsd:enumeration value="550" />
+            <xsd:enumeration value="600" />
+        </xsd:restriction>
+    </xsd:simpleType>
+
+    <xsd:complexType name="publisher">
+        <xsd:attribute name="id" type="xsd:string" />
+        <xsd:attribute name="hostname" type="xsd:string" />
+        <xsd:attribute name="port" type="xsd:integer" />
+        <xsd:attribute name="chunk_size" type="xsd:integer" />
+    </xsd:complexType>
+
+    <xsd:complexType name="email-prototype">
+        <xsd:attribute name="id" type="xsd:string" />
+        <xsd:attribute name="method" type="xsd:string" />
+    </xsd:complexType>
+
+    <xsd:complexType name="channels">
+        <xsd:sequence>
+            <xsd:element name="channel" type="xsd:string" minOccurs="0" maxOccurs="unbounded" />
+        </xsd:sequence>
+        <xsd:attribute name="type" type="channel_type" />
+    </xsd:complexType>
+
+    <xsd:simpleType name="channel_type">
+        <xsd:restriction base="xsd:string">
+            <xsd:enumeration value="inclusive" />
+            <xsd:enumeration value="exclusive" />
+        </xsd:restriction>
+    </xsd:simpleType>
+
+    <xsd:complexType name="mongo">
+        <xsd:attribute name="id" type="xsd:string" />
+        <xsd:attribute name="host" type="xsd:string" />
+        <xsd:attribute name="port" type="xsd:integer" />
+        <xsd:attribute name="user" type="xsd:string" />
+        <xsd:attribute name="pass" type="xsd:string" />
+        <xsd:attribute name="database" type="xsd:string" />
+        <xsd:attribute name="collection" type="xsd:string" />
+    </xsd:complexType>
+
+    <xsd:complexType name="elasticsearch">
+        <xsd:attribute name="id" type="xsd:string" />
+        <xsd:attribute name="host" type="xsd:string" />
+        <xsd:attribute name="port" type="xsd:integer" />
+        <xsd:attribute name="transport" type="xsd:string" />
+        <xsd:attribute name="user" type="xsd:string" />
+        <xsd:attribute name="password" type="xsd:string" />
+    </xsd:complexType>
+
+    <xsd:complexType name="excluded-http-code">
+        <xsd:choice minOccurs="0" maxOccurs="unbounded">
+            <xsd:element name="url" type="xsd:string" />
+        </xsd:choice>
+        <xsd:attribute name="code" type="xsd:integer" />
+    </xsd:complexType>
+</xsd:schema>

vendor/symfony/monolog-bundle/SwiftMailer/MessageFactory.php

@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\MonologBundle\SwiftMailer;
+
+/**
+ * Helps create Swift_Message objects, lazily
+ *
+ * @author Ryan Weaver <ryan@knpuniversity.com>
+ */
+class MessageFactory
+{
+    private $mailer;
+
+    private $fromEmail;
+
+    private $toEmail;
+
+    private $subject;
+
+    private $contentType;
+
+    public function __construct(\Swift_Mailer $mailer, $fromEmail, $toEmail, $subject, $contentType = null)
+    {
+        $this->mailer = $mailer;
+        $this->fromEmail = $fromEmail;
+        $this->toEmail = $toEmail;
+        $this->subject = $subject;
+        $this->contentType = $contentType;
+    }
+
+    /**
+     * Creates a Swift_Message template that will be used to send the log message
+     *
+     * @param string $content formatted email body to be sent
+     * @param array  $records Log records that formed the content
+     * @return \Swift_Message
+     */
+    public function createMessage($content, array $records)
+    {
+        /** @var \Swift_Message $message */
+        $message = $this->mailer->createMessage();
+        $message->setTo($this->toEmail);
+        $message->setFrom($this->fromEmail);
+        $message->setSubject($this->subject);
+
+        if ($this->contentType) {
+            $message->setContentType($this->contentType);
+        }
+
+        return $message;
+    }
+}