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      1 /*
      2  *  Licensed to the Apache Software Foundation (ASF) under one or more
      3  *  contributor license agreements.  See the NOTICE file distributed with
      4  *  this work for additional information regarding copyright ownership.
      5  *  The ASF licenses this file to You under the Apache License, Version 2.0
      6  *  (the "License"); you may not use this file except in compliance with
      7  *  the License.  You may obtain a copy of the License at
      8  *
      9  *     http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  */
     17 
     18 package com.squareup.okhttp;
     19 
     20 import java.io.IOException;
     21 import java.net.Proxy;
     22 import java.net.ResponseCache;
     23 import java.net.URL;
     24 import java.net.URLConnection;
     25 import java.net.URLStreamHandler;
     26 
     27 public class HttpHandler extends URLStreamHandler {
     28 
     29     private final ConfigAwareConnectionPool configAwareConnectionPool =
     30             ConfigAwareConnectionPool.getInstance();
     31 
     32     @Override protected URLConnection openConnection(URL url) throws IOException {
     33         return newOkHttpClient(null /* proxy */).open(url);
     34     }
     35 
     36     @Override protected URLConnection openConnection(URL url, Proxy proxy) throws IOException {
     37         if (url == null || proxy == null) {
     38             throw new IllegalArgumentException("url == null || proxy == null");
     39         }
     40         return newOkHttpClient(proxy).open(url);
     41     }
     42 
     43     @Override protected int getDefaultPort() {
     44         return 80;
     45     }
     46 
     47     protected OkHttpClient newOkHttpClient(Proxy proxy) {
     48         OkHttpClient okHttpClient = createHttpOkHttpClient(proxy);
     49         okHttpClient.setConnectionPool(configAwareConnectionPool.get());
     50         return okHttpClient;
     51     }
     52 
     53     /**
     54      * Creates an OkHttpClient suitable for creating {@link java.net.HttpURLConnection} instances on
     55      * Android.
     56      */
     57     public static OkHttpClient createHttpOkHttpClient(Proxy proxy) {
     58         OkHttpClient client = new OkHttpClient();
     59         client.setFollowProtocolRedirects(false);
     60         if (proxy != null) {
     61             client.setProxy(proxy);
     62         }
     63 
     64         // Explicitly set the response cache.
     65         ResponseCache responseCache = ResponseCache.getDefault();
     66         if (responseCache != null) {
     67             client.setResponseCache(responseCache);
     68         }
     69 
     70         return client;
     71     }
     72 
     73 }
     74