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package javax.ws.rs;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * The annotation that may be used to inject custom JAX-RS "parameter aggregator" value object
 * into a resource class field, property or resource method parameter.
 * 

* The JAX-RS runtime will instantiate the object and inject all it's fields and properties annotated * with either one of the {@code @XxxParam} annotation ({@link PathParam @PathParam}, * {@link FormParam @FormParam} ...) or the {@link javax.ws.rs.core.Context @Context} * annotation. For the POJO classes same instantiation and injection rules apply as in case of instantiation * and injection of request-scoped root resource classes. *

*

* For example: *

 * public class MyBean {
 *   @FormParam("myData")
 *   private String data;
 *
 *   @HeaderParam("myHeader")
 *   private String header;
 *
 *   @PathParam("id")
 *   public void setResourceId(String id) {...}
 *
 *   ...
 * }
 *
 * @Path("myresources")
 * public class MyResources {
 *   @POST
 *   @Path("{id}")
 *   public void post(@BeanParam MyBean myBean) {...}
 *
 *   ...
 * }
 * 
*

*

* Because injection occurs at object creation time, use of this annotation on resource * class fields and bean properties is only supported for the default per-request resource * class lifecycle. Resource classes using other lifecycles should only use this annotation * on resource method parameters. *

* * @author Marek Potociar * @since 2.0 */ @Target({ElementType.PARAMETER, ElementType.METHOD, ElementType.FIELD}) @Retention(RetentionPolicy.RUNTIME) @Documented public @interface BeanParam { }




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