EntityTypeFilterTest.java

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package org.glassfish.jersey.server.filter;

import java.io.IOException;
import java.util.concurrent.ExecutionException;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerResponseContext;
import javax.ws.rs.container.ContainerResponseFilter;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.Provider;

import javax.annotation.Priority;

import org.glassfish.jersey.server.ApplicationHandler;
import org.glassfish.jersey.server.ContainerResponse;
import org.glassfish.jersey.server.RequestContextBuilder;
import org.glassfish.jersey.server.ResourceConfig;

import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;


/**
 * Tests empty entity in filter.
 * @author Miroslav Fuksa
 *
 */
public class EntityTypeFilterTest {
    @Test
    public void test() throws ExecutionException, InterruptedException {
        ApplicationHandler handler = new ApplicationHandler(new ResourceConfig(Resource.class, ResponseFilter.class));
        final ContainerResponse response = handler.apply(RequestContextBuilder.from("/resource/getentitytype",
                "GET").build()).get();
        assertEquals(200, response.getStatus());
    }


    @Provider
    @Priority(500)
    public static class ResponseFilter implements ContainerResponseFilter {
        @Override
        public void filter(ContainerRequestContext requestContext,
                           ContainerResponseContext responseContext) throws IOException {
            assertNull(responseContext.getEntityType());
            assertNull(responseContext.getEntityClass());
            assertNull(responseContext.getEntity());
        }
    }

    @Path("resource")
    public static class Resource {
        @GET
        @Path("getentitytype")
        public Response getEntityType() {
            Response response = Response.ok().build();
            return response;
        }
    }
}