ClientWrapper.java

/*
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 *
 * Copyright (c) 2012-2014 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
 * https://glassfish.dev.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.
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 * file and include the License file at packager/legal/LICENSE.txt.
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 * GPL Classpath Exception:
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 * Modifications:
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package org.glassfish.admin.rest.client;

import java.io.IOException;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;

import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientRequestContext;
import javax.ws.rs.client.ClientRequestFilter;
import javax.ws.rs.client.Invocation.Builder;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Configuration;
import javax.ws.rs.core.Link;
import javax.ws.rs.core.UriBuilder;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLContext;

import org.glassfish.jersey.client.JerseyClientBuilder;
import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
import org.glassfish.jersey.client.filter.CsrfProtectionFilter;
import org.glassfish.jersey.jettison.JettisonFeature;
import org.glassfish.jersey.media.multipart.MultiPartFeature;

/**
 * This class wraps the Client returned by JerseyClientBuilder. Using this class allows us to encapsulate many of the
 * client configuration concerns, such as registering the <code>CsrfProtectionFilter</code>.
 * @author jdlee
 */
public class ClientWrapper implements Client {
    protected Client realClient;

    public ClientWrapper() {
        this(new HashMap<String, String>());
    }

    /**
     * Create the client, as well as registering a <code>ClientRequestFilter</code> that adds the specified headers to
     * each request.
     * @param headers
     */
    public ClientWrapper(final Map<String, String> headers) {
        this (headers, null, null);
    }

    public ClientWrapper(final Map<String, String> headers, String userName, String password) {
        realClient = JerseyClientBuilder.newClient();
        realClient.register(new MultiPartFeature());
        realClient.register(new JettisonFeature());
        realClient.register(new CsrfProtectionFilter());
        if ((userName != null) && (password != null)) {
            realClient.register(HttpAuthenticationFeature.basic(userName, password));
        }
        realClient.register(new ClientRequestFilter() {

            @Override
            public void filter(ClientRequestContext rc) throws IOException {
                for (Map.Entry<String, String> entry : headers.entrySet()) {
                    rc.getHeaders().add(entry.getKey(), entry.getValue());
                }
            }

        });
    }

    @Override
    public void close() {
        realClient.close();
    }


    @Override
    public WebTarget target(String uri) throws IllegalArgumentException, NullPointerException {
        return realClient.target(uri);
    }

    @Override
    public WebTarget target(URI uri) throws NullPointerException {
        return realClient.target(uri);
    }

    @Override
    public WebTarget target(UriBuilder uriBuilder) throws NullPointerException {
        return realClient.target(uriBuilder);
    }

    @Override
    public WebTarget target(Link link) throws NullPointerException {
        return realClient.target(link);
    }

    @Override
    public Builder invocation(Link link) throws NullPointerException {
        return realClient.invocation(link);
    }

    @Override
    public Configuration getConfiguration() {
        return realClient.getConfiguration();
    }

    @Override
    public Client property(String name, Object value) {
        realClient.property(name, value);
        return this;
    }

    @Override
    public Client register(Class<?> componentClass) {
        realClient.register(componentClass);
        return this;
    }

    @Override
    public Client register(Class<?> componentClass, int bindingPriority) {
        realClient.register(componentClass, bindingPriority);
        return this;
    }

    @Override
    public Client register(Class<?> componentClass, Class<?>... contracts) {
        realClient.register(componentClass, contracts);
        return this;
    }

    @Override
    public Client register(Class<?> componentClass, Map<Class<?>, Integer> contracts) {
        realClient.register(componentClass, contracts);
        return this;
    }

    @Override
    public Client register(Object component) {
        realClient.register(component);
        return this;
    }

    @Override
    public Client register(Object component, int bindingPriority) {
        realClient.register(component, bindingPriority);
        return this;
    }

    @Override
    public Client register(Object component, Class<?>... contracts) {
        realClient.register(component, contracts);
        return this;
    }

    @Override
    public Client register(Object component, Map<Class<?>, Integer> contracts) {
        realClient.register(component, contracts);
        return this;
    }

    @Override
    public SSLContext getSslContext() {
        return realClient.getSslContext();
    }

    @Override
    public HostnameVerifier getHostnameVerifier() {
        return realClient.getHostnameVerifier();
    }
}