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package com.sun.jersey.server.linking;
import com.sun.jersey.server.linking.impl.LinkProcessor;
import com.sun.jersey.server.linking.impl.RefProcessor;
import com.sun.jersey.spi.container.ContainerRequest;
import com.sun.jersey.spi.container.ContainerResponse;
import com.sun.jersey.spi.container.ContainerResponseFilter;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.UriInfo;
/**
* Filter that processes {@link Link} annotated fields in returned response
* entities.
* <p>
* When an application is deployed as a Servlet or Filter this filter can be
* registered using the following initialization parameters:
* <blockquote><pre>
* <init-param>
* <param-name>com.sun.jersey.spi.container.ContainerResponseFilters</param-name>
* <param-value>com.sun.jersey.server.linking.LinkFilter</param-value>
* </init-param>
* </pre></blockquote>
* <p>
* @author mh124079
* @see Link
*/
public class LinkFilter implements ContainerResponseFilter {
@Context UriInfo uriInfo;
public ContainerResponse filter(ContainerRequest request, ContainerResponse response) {
Object entity = response.getEntity();
if (entity != null) {
Class<?> entityClass = entity.getClass();
LinkProcessor lhp = new LinkProcessor(entityClass);
lhp.processLinkHeaders(entity, uriInfo, response.getHttpHeaders());
RefProcessor lp = new RefProcessor(entityClass);
lp.processLinks(entity, uriInfo);
}
return response;
}
}