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Annotation Based Expression
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Language
You can also use any of the Languages supported in Camel to bind expressions to method parameters when using bean integration Bean Integration. For example you can use any of these annotations:
Annotation | Description |
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Inject a Bean expression | |
Inject a BeanShell expression | |
Inject a Constant expression | |
Inject an EL expression | |
Inject a Groovy expression | |
Inject a Header expression | |
Inject a JavaScript expression | |
Inject an OGNL expression | |
Inject a PHP expression | |
Inject a Python expression | |
Inject a Ruby expression | |
Inject an Simple expression | |
Inject an XPath expression | |
Inject an XQuery expression |
Example:
Code Block |
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public class Foo { @MessageDriven(uri = "activemq:my.queue") public void doSomething(@XPath("/foo/bar/text()") String correlationID, @Body String body) { // process the inbound message here } } |
Advanced example using @Bean
And an example of using the the @Bean binding annotation, where you can use a POJO where you can do whatever java code you like:
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Code Block | ||||
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<bean id="myCorrelationIdGenerator" class="com.mycompany.MyIdGenerator"/> |
Example using JavaScript
TODO: Or use OGNL or the like