InjectedProviderTest.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2010-2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package org.glassfish.jersey.tests.e2e.entity;

import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.Serializable;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.HashMap;
import java.util.Map;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.UriInfo;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;

import org.glassfish.jersey.client.ClientConfig;

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

/**
 *
 * @author Paul Sandoz
 */
public class InjectedProviderTest extends AbstractTypeTester {

    public static class Bean implements Serializable {

        private String string;

        public Bean() {
        }

        public Bean(String string) {
            this.string = string;
        }

        public String getString() {
            return string;
        }

        public void setString(String string) {
            this.string = string;
        }
    }

    @Provider
    public static class BeanReader implements MessageBodyReader<Bean> {

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

        @Override
        public Bean readFrom(
                Class<Bean> type,
                Type genericType,
                Annotation annotations[],
                MediaType mediaType,
                MultivaluedMap<String, String> httpHeaders,
                InputStream entityStream) throws IOException {
            ObjectInputStream oin = new ObjectInputStream(entityStream);
            try {
                return (Bean) oin.readObject();
            } catch (ClassNotFoundException cause) {
                throw new IOException(cause);
            }
        }
    }

    @Provider
    public static class InjectedBeanReaderWriter extends BeanReader implements MessageBodyWriter<Bean> {

        @Context
        UriInfo uriInfo;

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

        @Override
        public void writeTo(
                Bean t,
                Class<?> type,
                Type genericType,
                Annotation annotations[],
                MediaType mediaType,
                MultivaluedMap<String, Object> httpHeaders,
                OutputStream entityStream) throws IOException {
            t.setString(uriInfo.getRequestUri().toString());
            ObjectOutputStream out = new ObjectOutputStream(entityStream);
            out.writeObject(t);
            out.flush();
        }

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

    @Path("/one/two/{id}")
    public static class BeanResource {

        @GET
        public Bean get() {
            return new Bean("");
        }
    }

    @Override
    protected void configureClient(ClientConfig config) {
        config.register(BeanReader.class);
    }

    @Test
    public void testBean() throws Exception {
        Bean bean3 = target("one/two/three").request().get(Bean.class);
        Bean bean4 = target("one/two/four").request().get(Bean.class);

        final Map<String, String> map3 = new HashMap<String, String>() {{
            put("id", "three");
        }};
        final Map<String, String> map4 = new HashMap<String, String>() {{
            put("id", "four");
        }};

        String requestUri3 = target().getUriBuilder()
                .path(BeanResource.class).buildFromMap(map3).toString();
        String requestUri4 = target().getUriBuilder()
                .path(BeanResource.class).buildFromMap(map4).toString();

        assertEquals(requestUri3, bean3.getString());
        assertEquals(requestUri4, bean4.getString());
    }
}