001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.juneau.rest.client.classic;
018
019import java.io.*;
020
021import org.apache.http.*;
022import org.apache.http.client.methods.*;
023import org.apache.http.protocol.*;
024
025/**
026 * Default HTTP call handler.
027 *
028 * Can be subclasses and specified via {@link RestClient.Builder#callHandler()}.
029 *
030 * <h5 class='section'>See Also:</h5><ul>
031 *    <li class='link'><a class="doclink" href="https://juneau.apache.org/docs/topics/JuneauRestClient">juneau-rest-client-classic</a>
032 * </ul>
033 */
034@SuppressWarnings({
035   "resource" // client is passed in by the caller and owned by the RestClient; lifecycle managed externally
036})
037public class BasicRestCallHandler implements RestCallHandler {
038
039   private final RestClient client;
040
041   /**
042    * Constructor.
043    *
044    * @param client The client to use for handling requests.
045    */
046   public BasicRestCallHandler(RestClient client) {
047      this.client = client;
048   }
049
050   // The client this handler sends requests through.
051   RestClient client() {
052      return client;
053   }
054
055   @Override /* Overridden from RestCallHandler */
056   public HttpResponse run(HttpHost target, HttpRequest request, HttpContext context) throws IOException {
057      return target == null ? client.execute((HttpUriRequest)request, context) : client.execute(target, request, context);
058   }
059}