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Jersey example for implementing generic PATCH support via JAX-RS reader interceptor. Taken from Gerard Davison's blog entry: http://kingsfleet.blogspot.co.uk/2014/02/transparent-patch-support-in-jax-rs-20.html

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package org.glassfish.jersey.examples.httppatch;

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;

import javax.ws.rs.HttpMethod;
import javax.ws.rs.NameBinding;


/**
 * HTTP "PATCH" method annotation.
 * 
 * The annotation acts at the same time as JAX-RS filter/interceptor {@link javax.ws.rs.NameBinding "named binder"},
 * i.e. it can be applied to custom filter/interceptor that implements the PATCH support and JAX-RS runtime will
 * take care of automatically associating the filter/interceptor with the {@code @PATCH}-annotated resource method.
 * 
 *
 * @author Gerard Davison (gerard.davison at oracle.com)
 * @author Marek Potociar (marek.potociar at oracle.com)
 */
@Target({ElementType.METHOD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@HttpMethod("PATCH")
@Documented
@NameBinding
public @interface PATCH {
}