HttpHeadersTest.java

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package org.glassfish.jersey.apache.connector;

import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.logging.Logger;

import javax.ws.rs.HeaderParam;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;

import org.glassfish.jersey.client.ClientConfig;
import org.glassfish.jersey.client.ClientProperties;
import org.glassfish.jersey.logging.LoggingFeature;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.test.JerseyTest;
import org.glassfish.jersey.test.TestProperties;

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

/**
 * @author Paul Sandoz
 * @author Arul Dhesiaseelan (aruld at acm.org)
 */
public class HttpHeadersTest extends JerseyTest {

    private static final Logger LOGGER = Logger.getLogger(HttpHeadersTest.class.getName());

    @Path("/test")
    public static class HttpMethodResource {

        @POST
        public String post(
                @HeaderParam("Transfer-Encoding") String transferEncoding,
                @HeaderParam("X-CLIENT") String xClient,
                @HeaderParam("X-WRITER") String xWriter,
                String entity) {
            assertEquals("client", xClient);
            if (transferEncoding == null || !transferEncoding.equals("chunked")) {
                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());
        }
    }

    @Override
    protected Application configure() {
        enable(TestProperties.LOG_TRAFFIC);
        enable(TestProperties.DUMP_ENTITY);

        ResourceConfig config = new ResourceConfig(HttpMethodResource.class, HeaderWriter.class);
        config.register(new LoggingFeature(LOGGER, LoggingFeature.Verbosity.PAYLOAD_ANY));
        return config;
    }

    @Override
    protected void configureClient(ClientConfig config) {
        config.property(ClientProperties.READ_TIMEOUT, 1000).connectorProvider(new ApacheConnectorProvider());
    }

    @Test
    public void testPost() {
        WebTarget r = target("test");

        Response cr = r.request().header("X-CLIENT", "client").post(Entity.text("POST"));
        assertEquals(200, cr.getStatus());
        assertTrue(cr.hasEntity());
        cr.close();
    }

    @Test
    public void testPostChunked() {
        WebTarget r = target("test");

        Response cr = r.request().header("X-CLIENT", "client").post(Entity.text("POST"));
        assertEquals(200, cr.getStatus());
        assertTrue(cr.hasEntity());
        cr.close();
    }
}