1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/RequestClientConnControl.java Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,97 @@ 1.4 +/* 1.5 + * ==================================================================== 1.6 + * Licensed to the Apache Software Foundation (ASF) under one 1.7 + * or more contributor license agreements. See the NOTICE file 1.8 + * distributed with this work for additional information 1.9 + * regarding copyright ownership. The ASF licenses this file 1.10 + * to you under the Apache License, Version 2.0 (the 1.11 + * "License"); you may not use this file except in compliance 1.12 + * with the License. You may obtain a copy of the License at 1.13 + * 1.14 + * http://www.apache.org/licenses/LICENSE-2.0 1.15 + * 1.16 + * Unless required by applicable law or agreed to in writing, 1.17 + * software distributed under the License is distributed on an 1.18 + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 1.19 + * KIND, either express or implied. See the License for the 1.20 + * specific language governing permissions and limitations 1.21 + * under the License. 1.22 + * ==================================================================== 1.23 + * 1.24 + * This software consists of voluntary contributions made by many 1.25 + * individuals on behalf of the Apache Software Foundation. For more 1.26 + * information on the Apache Software Foundation, please see 1.27 + * <http://www.apache.org/>. 1.28 + * 1.29 + */ 1.30 + 1.31 +package ch.boye.httpclientandroidlib.client.protocol; 1.32 + 1.33 +import java.io.IOException; 1.34 + 1.35 +import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog; 1.36 +/* LogFactory removed by HttpClient for Android script. */ 1.37 +import ch.boye.httpclientandroidlib.annotation.Immutable; 1.38 + 1.39 +import ch.boye.httpclientandroidlib.HttpException; 1.40 +import ch.boye.httpclientandroidlib.HttpRequest; 1.41 +import ch.boye.httpclientandroidlib.HttpRequestInterceptor; 1.42 +import ch.boye.httpclientandroidlib.conn.HttpRoutedConnection; 1.43 +import ch.boye.httpclientandroidlib.conn.routing.HttpRoute; 1.44 +import ch.boye.httpclientandroidlib.protocol.ExecutionContext; 1.45 +import ch.boye.httpclientandroidlib.protocol.HTTP; 1.46 +import ch.boye.httpclientandroidlib.protocol.HttpContext; 1.47 + 1.48 +/** 1.49 + * This protocol interceptor is responsible for adding <code>Connection</code> 1.50 + * or <code>Proxy-Connection</code> headers to the outgoing requests, which 1.51 + * is essential for managing persistence of <code>HTTP/1.0</code> connections. 1.52 + * 1.53 + * @since 4.0 1.54 + */ 1.55 +@Immutable 1.56 +public class RequestClientConnControl implements HttpRequestInterceptor { 1.57 + 1.58 + public HttpClientAndroidLog log = new HttpClientAndroidLog(getClass()); 1.59 + 1.60 + private static final String PROXY_CONN_DIRECTIVE = "Proxy-Connection"; 1.61 + 1.62 + public RequestClientConnControl() { 1.63 + super(); 1.64 + } 1.65 + 1.66 + public void process(final HttpRequest request, final HttpContext context) 1.67 + throws HttpException, IOException { 1.68 + if (request == null) { 1.69 + throw new IllegalArgumentException("HTTP request may not be null"); 1.70 + } 1.71 + 1.72 + String method = request.getRequestLine().getMethod(); 1.73 + if (method.equalsIgnoreCase("CONNECT")) { 1.74 + request.setHeader(PROXY_CONN_DIRECTIVE, HTTP.CONN_KEEP_ALIVE); 1.75 + return; 1.76 + } 1.77 + 1.78 + // Obtain the client connection (required) 1.79 + HttpRoutedConnection conn = (HttpRoutedConnection) context.getAttribute( 1.80 + ExecutionContext.HTTP_CONNECTION); 1.81 + if (conn == null) { 1.82 + this.log.debug("HTTP connection not set in the context"); 1.83 + return; 1.84 + } 1.85 + 1.86 + HttpRoute route = conn.getRoute(); 1.87 + 1.88 + if (route.getHopCount() == 1 || route.isTunnelled()) { 1.89 + if (!request.containsHeader(HTTP.CONN_DIRECTIVE)) { 1.90 + request.addHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_KEEP_ALIVE); 1.91 + } 1.92 + } 1.93 + if (route.getHopCount() == 2 && !route.isTunnelled()) { 1.94 + if (!request.containsHeader(PROXY_CONN_DIRECTIVE)) { 1.95 + request.addHeader(PROXY_CONN_DIRECTIVE, HTTP.CONN_KEEP_ALIVE); 1.96 + } 1.97 + } 1.98 + } 1.99 + 1.100 +}