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To use Spring Java Config in your Camel project the easiest thing to do is add the following to your pom.xml

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This will then add the dependencies on the Spring JavaConfig library along with some helper classes for configuring Camel inside Spring.

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The most common case of using JavaConfig with Camel would be to create configuration with defined list of routes to be used by router.

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Starting from Camel 2.13.0 you can skip the routes() definition, and fall back to the RouteBuilder instances located in the Spring context.

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Testing

Since Camel 2.11.0 you can use the CamelSpringJUnit4ClassRunner with CamelSpringDelegatingTestContextLoader. This is the recommended way to test Java Config and Camel integration. Wiki Markup{snippet:lang=java|id=example|url=camel/trunk/components/camel-spring-javaconfig/src/test/java/org/apache/camel/spring/javaconfig/test/CamelSpringDelegatingTestContextLoaderTest.java}If you wish to create a collection of RouteBuilder instances then derive from the CamelConfiguration helper class and implement the routes() method. Keep in mind that (starting from the Camel 2.13.0) if you don't override routes() method, then CamelConfiguration will use all RouteBuilder instances available in the Spring context.

The following example using Java Config demonstrates how to test Java Config integration with Camel 2.10 and lower. Keep in mind that JavaConfigContextLoader is deprecated and could be removed in the future versions of Camel on the behalf of the CamelSpringDelegatingTestContextLoader. Wiki Markup{snippet:lang=java|id=example|url=camel/trunk/components/camel-spring-javaconfig/src/test/java/org/apache/camel/spring/javaconfig/patterns/FilterTest.java}The @ContextConfiguration annotation tells the Spring Testing framework to load the ContextConfig class as the configuration to use. This class derives from SingleRouteCamelConfiguration which is a helper Spring Java Config class which will configure the CamelContext for us and then register the RouteBuilder we create.