1069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project/* 2069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $HeadURL: $ 3069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $Revision: $ 4069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $Date: $ 5069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 6069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * ==================================================================== 7069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one 8069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * or more contributor license agreements. See the NOTICE file 9069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * distributed with this work for additional information 10069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * regarding copyright ownership. The ASF licenses this file 11069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * to you under the Apache License, Version 2.0 (the 12069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * "License"); you may not use this file except in compliance 13069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * with the License. You may obtain a copy of the License at 14069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 15069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 16069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 17069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Unless required by applicable law or agreed to in writing, 18069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * software distributed under the License is distributed on an 19069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 20069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * KIND, either express or implied. See the License for the 21069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * specific language governing permissions and limitations 22069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * under the License. 23069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * ==================================================================== 24069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 25069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * This software consists of voluntary contributions made by many 26069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * individuals on behalf of the Apache Software Foundation. For more 27069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * information on the Apache Software Foundation, please see 28069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * <http://www.apache.org/>. 29069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 30069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 31069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectpackage org.apache.http.impl.client; 32069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 33069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HeaderElement; 34069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HeaderElementIterator; 35069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HttpResponse; 36069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.conn.ConnectionKeepAliveStrategy; 37069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.message.BasicHeaderElementIterator; 38069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.protocol.HTTP; 39069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.protocol.HttpContext; 40069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 41069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project/** 42069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Default implementation of a strategy deciding duration 43069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * that a connection can remain idle. 44069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 45069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * The default implementation looks solely at the 'Keep-Alive' 46069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * header's timeout token. 47069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 48069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @author <a href="mailto:sberlin at gmail.com">Sam Berlin</a> 49069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 50069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @version $Revision: $ 51069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 52069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @since 4.0 53d42abb2fd917184764daf22f5f299e848b8701d7Narayan Kamath * 54d42abb2fd917184764daf22f5f299e848b8701d7Narayan Kamath * @deprecated Please use {@link java.net.URL#openConnection} instead. 55d42abb2fd917184764daf22f5f299e848b8701d7Narayan Kamath * Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a> 56d42abb2fd917184764daf22f5f299e848b8701d7Narayan Kamath * for further details. 57069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 58d42abb2fd917184764daf22f5f299e848b8701d7Narayan Kamath@Deprecated 59069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectpublic class DefaultConnectionKeepAliveStrategy implements ConnectionKeepAliveStrategy { 60069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 61069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public long getKeepAliveDuration(HttpResponse response, HttpContext context) { 62069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (response == null) { 63069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new IllegalArgumentException("HTTP response may not be null"); 64069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 65069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project HeaderElementIterator it = new BasicHeaderElementIterator( 66069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project response.headerIterator(HTTP.CONN_KEEP_ALIVE)); 67069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project while (it.hasNext()) { 68069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project HeaderElement he = it.nextElement(); 69069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project String param = he.getName(); 70069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project String value = he.getValue(); 71069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (value != null && param.equalsIgnoreCase("timeout")) { 72069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project try { 73069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return Long.parseLong(value) * 1000; 74069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } catch(NumberFormatException ignore) { 75069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 76069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 77069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 78069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return -1; 79069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 80069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 81069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project} 82