1069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project/* 2069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/impl/AbstractHttpServerConnection.java $ 3069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $Revision: 618017 $ 4069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $Date: 2008-02-03 08:42:22 -0800 (Sun, 03 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; 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.HttpConnectionMetrics; 37069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HttpEntity; 38069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HttpEntityEnclosingRequest; 39069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HttpException; 40069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HttpRequest; 41069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HttpRequestFactory; 42069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HttpResponse; 43069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HttpServerConnection; 44069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.impl.entity.EntityDeserializer; 45069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.impl.entity.EntitySerializer; 46069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.impl.entity.LaxContentLengthStrategy; 47069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.impl.entity.StrictContentLengthStrategy; 48069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.impl.io.HttpRequestParser; 49069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.impl.io.HttpResponseWriter; 50069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.io.HttpMessageParser; 51069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.io.HttpMessageWriter; 52069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.io.SessionInputBuffer; 53069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.io.SessionOutputBuffer; 54069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.params.HttpParams; 55069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 56069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project/** 57069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Abstract server-side HTTP connection capable of transmitting and receiving data 58069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * using arbitrary {@link SessionInputBuffer} and {@link SessionOutputBuffer} 59069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 60069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> 61069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 62069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @version $Revision: 618017 $ 63069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 64069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @since 4.0 65d42abb2fd917184764daf22f5f299e848b8701d7Narayan Kamath * 66d42abb2fd917184764daf22f5f299e848b8701d7Narayan Kamath * @deprecated Please use {@link java.net.URL#openConnection} instead. 67d42abb2fd917184764daf22f5f299e848b8701d7Narayan Kamath * Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a> 68d42abb2fd917184764daf22f5f299e848b8701d7Narayan Kamath * for further details. 69069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 70d42abb2fd917184764daf22f5f299e848b8701d7Narayan Kamath@Deprecated 71069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectpublic abstract class AbstractHttpServerConnection implements HttpServerConnection { 72069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 73069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private final EntitySerializer entityserializer; 74069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private final EntityDeserializer entitydeserializer; 75069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 76069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private SessionInputBuffer inbuffer = null; 77069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private SessionOutputBuffer outbuffer = null; 78069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private HttpMessageParser requestParser = null; 79069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private HttpMessageWriter responseWriter = null; 80069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private HttpConnectionMetricsImpl metrics = null; 81069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 82069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 83069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 84069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public AbstractHttpServerConnection() { 85069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project super(); 86069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.entityserializer = createEntitySerializer(); 87069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.entitydeserializer = createEntityDeserializer(); 88069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 89069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 90069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project protected abstract void assertOpen() throws IllegalStateException; 91069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 92069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project protected EntityDeserializer createEntityDeserializer() { 93069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return new EntityDeserializer(new LaxContentLengthStrategy()); 94069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 95069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 96069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project protected EntitySerializer createEntitySerializer() { 97069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return new EntitySerializer(new StrictContentLengthStrategy()); 98069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 99069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 100069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project protected HttpRequestFactory createHttpRequestFactory() { 101069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return new DefaultHttpRequestFactory(); 102069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 103069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 104069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project protected HttpMessageParser createRequestParser( 105069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final SessionInputBuffer buffer, 106069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final HttpRequestFactory requestFactory, 107069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final HttpParams params) { 108069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project // override in derived class to specify a line parser 109069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return new HttpRequestParser(buffer, null, requestFactory, params); 110069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 111069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 112069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project protected HttpMessageWriter createResponseWriter( 113069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final SessionOutputBuffer buffer, 114069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final HttpParams params) { 115069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project // override in derived class to specify a line formatter 116069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return new HttpResponseWriter(buffer, null, params); 117069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 118069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 119069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 120069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project protected void init( 121069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final SessionInputBuffer inbuffer, 122069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final SessionOutputBuffer outbuffer, 123069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final HttpParams params) { 124069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (inbuffer == null) { 125069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new IllegalArgumentException("Input session buffer may not be null"); 126069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 127069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (outbuffer == null) { 128069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new IllegalArgumentException("Output session buffer may not be null"); 129069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 130069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.inbuffer = inbuffer; 131069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.outbuffer = outbuffer; 132069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.requestParser = createRequestParser( 133069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project inbuffer, 134069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project createHttpRequestFactory(), 135069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project params); 136069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.responseWriter = createResponseWriter( 137069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project outbuffer, params); 138069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.metrics = new HttpConnectionMetricsImpl( 139069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project inbuffer.getMetrics(), 140069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project outbuffer.getMetrics()); 141069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 142069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 143069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public HttpRequest receiveRequestHeader() 144069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throws HttpException, IOException { 145069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project assertOpen(); 146069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project HttpRequest request = (HttpRequest) this.requestParser.parse(); 147069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.metrics.incrementRequestCount(); 148069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return request; 149069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 150069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 151069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public void receiveRequestEntity(final HttpEntityEnclosingRequest request) 152069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throws HttpException, IOException { 153069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (request == null) { 154069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new IllegalArgumentException("HTTP request may not be null"); 155069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 156069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project assertOpen(); 157069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project HttpEntity entity = this.entitydeserializer.deserialize(this.inbuffer, request); 158069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project request.setEntity(entity); 159069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 160069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 161069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project protected void doFlush() throws IOException { 162069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.outbuffer.flush(); 163069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 164069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 165069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public void flush() throws IOException { 166069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project assertOpen(); 167069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project doFlush(); 168069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 169069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 170069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public void sendResponseHeader(final HttpResponse response) 171069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throws HttpException, IOException { 172069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (response == null) { 173069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new IllegalArgumentException("HTTP response may not be null"); 174069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 175069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project assertOpen(); 176069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.responseWriter.write(response); 177069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (response.getStatusLine().getStatusCode() >= 200) { 178069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.metrics.incrementResponseCount(); 179069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 180069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 181069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 182069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public void sendResponseEntity(final HttpResponse response) 183069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throws HttpException, IOException { 184069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (response.getEntity() == null) { 185069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return; 186069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 187069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.entityserializer.serialize( 188069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.outbuffer, 189069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project response, 190069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project response.getEntity()); 191069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 192069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 193069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public boolean isStale() { 194069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project assertOpen(); 195069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project try { 196069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.inbuffer.isDataAvailable(1); 197069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return false; 198069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } catch (IOException ex) { 199069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return true; 200069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 201069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 202069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 203069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public HttpConnectionMetrics getMetrics() { 204069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return this.metrics; 205069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 206069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 207069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project} 208