1069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project/* 2069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/conn/DefaultResponseParser.java $ 3069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $Revision: 617638 $ 4069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $Date: 2008-02-01 12:49:26 -0800 (Fri, 01 Feb 2008) $ 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 Project 32069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectpackage org.apache.http.impl.conn; 33069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 34069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport java.io.IOException; 35069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 36069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HttpException; 37069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HttpMessage; 38069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HttpResponseFactory; 39069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.NoHttpResponseException; 40069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.ProtocolException; 41069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.StatusLine; 42069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.conn.params.ConnConnectionPNames; 43069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.impl.io.AbstractMessageParser; 44069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.io.SessionInputBuffer; 45069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.message.LineParser; 46069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.message.ParserCursor; 47069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.params.HttpParams; 48069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.util.CharArrayBuffer; 49069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 50069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectpublic class DefaultResponseParser extends AbstractMessageParser { 51069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 52069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private final HttpResponseFactory responseFactory; 53069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private final CharArrayBuffer lineBuf; 54069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private final int maxGarbageLines; 55069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 56069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public DefaultResponseParser( 57069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final SessionInputBuffer buffer, 58069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final LineParser parser, 59069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final HttpResponseFactory responseFactory, 60069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final HttpParams params) { 61069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project super(buffer, parser, params); 62069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (responseFactory == null) { 63069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new IllegalArgumentException 64069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project ("Response factory may not be null"); 65069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 66069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.responseFactory = responseFactory; 67069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.lineBuf = new CharArrayBuffer(128); 68069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.maxGarbageLines = params.getIntParameter( 69069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project ConnConnectionPNames.MAX_STATUS_LINE_GARBAGE, Integer.MAX_VALUE); 70069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 71069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 72069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 73069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project @Override 74069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project protected HttpMessage parseHead( 75069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final SessionInputBuffer sessionBuffer) throws IOException, HttpException { 76069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project // clear the buffer 77069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.lineBuf.clear(); 78069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project //read out the HTTP status string 79069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project int count = 0; 80069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project ParserCursor cursor = null; 81069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project do { 82069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project int i = sessionBuffer.readLine(this.lineBuf); 83069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (i == -1 && count == 0) { 84069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project // The server just dropped connection on us 85069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new NoHttpResponseException("The target server failed to respond"); 86069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 87069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project cursor = new ParserCursor(0, this.lineBuf.length()); 88069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (lineParser.hasProtocolVersion(this.lineBuf, cursor)) { 89069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project // Got one 90069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project break; 91069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } else if (i == -1 || count >= this.maxGarbageLines) { 92069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project // Giving up 93069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new ProtocolException("The server failed to respond with a " + 94069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project "valid HTTP response"); 95069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 96069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project count++; 97069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } while(true); 98069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project //create the status line from the status string 99069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project StatusLine statusline = lineParser.parseStatusLine(this.lineBuf, cursor); 100069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return this.responseFactory.newHttpResponse(statusline, null); 101069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 102069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 103069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project} 104