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@Payload Annotation

A parameter injection annotation that can be used on component entry points and transformer methods defined using the @Transformer annotation, this annotation controls how the current message payload is passed into a method by performing automatic transformation of the message payload to match the annotated parameter type. For example, if you are expecting an XML document, this can be injected into a component entry point and automatically converted into a org.wc3.dom.Document.


         
      
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public class MyComponent {
    public Object process(@Payload Document doc) {
        // do stuff
    }
}

Annotated Component Methods

Note that when using Annotations on component methods, all parameters need to be annotated for the method to be invoked. You will almost always be using the @Payload annotation to mark the message payload parameter.

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