Add DEFAULT_CONTENT_TYPE constant to Producer (text/plain)

Author: nathanjrobertson

DependencyInjection/Configuration.php

@@ -2,6 +2,7 @@
 
 namespace OldSound\RabbitMqBundle\DependencyInjection;
 
+use OldSound\RabbitMqBundle\RabbitMq\Producer;
 use Symfony\Component\Config\Definition\Builder\TreeBuilder;
 use Symfony\Component\Config\Definition\ConfigurationInterface;
 use Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition;
@@ -125,7 +126,7 @@ protected function addProducers(ArrayNodeDefinition $node)
                             ->scalarNode('enable_logger')->defaultFalse()->end()
                             ->scalarNode('service_alias')->defaultValue(null)->end()
                             ->scalarNode('default_routing_key')->defaultValue('')->end()
-                            ->scalarNode('default_content_type')->defaultValue('text/plain')->end()
+                            ->scalarNode('default_content_type')->defaultValue(Producer::DEFAULT_CONTENT_TYPE)->end()
                             ->integerNode('default_delivery_mode')->min(1)->max(2)->defaultValue(2)->end()
                         ->end()
                     ->end()

RabbitMq/Producer.php

@@ -10,7 +10,8 @@
  */
 class Producer extends BaseAmqp implements ProducerInterface
 {
-    protected $contentType = 'text/plain';
+    const DEFAULT_CONTENT_TYPE = 'text/plain';
+    protected $contentType = Producer::DEFAULT_CONTENT_TYPE;
     protected $deliveryMode = 2;
     protected $defaultRoutingKey = '';