HttpHeadersTest.java

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package com.sun.jersey.impl.client;

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import javax.ws.rs.Path;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.impl.container.grizzly.AbstractGrizzlyServerTester;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.POST;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;

/**
 *
 * @author Paul.Sandoz@Sun.Com
 */
public class HttpHeadersTest extends AbstractGrizzlyServerTester {
    @Path("/test")
    public static class HttpMethodResource {
        @POST
        public String post(
                @HeaderParam("X-CLIENT") String xClient,
                @HeaderParam("X-WRITER") String xWriter,
                String entity) {
            assertEquals("client", xClient);
            assertEquals("writer", xWriter);
            return entity;
        }
    }

    @Provider
    @Produces("text/plain")
    public static class HeaderWriter implements MessageBodyWriter<String> {

        public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
            return type == String.class;
        }

        public long getSize(String t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
            return -1;
        }

        public void writeTo(String t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException, WebApplicationException {
            httpHeaders.add("X-WRITER", "writer");
            entityStream.write(t.getBytes());
        }
    }

    public HttpHeadersTest(String testName) {
        super(testName);
    }

    public void testPost() {
        startServer(HttpMethodResource.class);

        DefaultClientConfig config = new DefaultClientConfig();
        config.getClasses().add(HeaderWriter.class);
        Client c = Client.create(config);

        WebResource r = c.resource(getUri().path("test").build());

        ClientResponse cr = r.header("X-CLIENT", "client").post(ClientResponse.class, "POST");
        assertEquals(200, cr.getStatus());
        assertTrue(cr.hasEntity());
        cr.close();
    }
}