1 /* 2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/impl/entity/EntityDeserializer.java $ 3 * $Revision: 560358 $ 4 * $Date: 2007-07-27 12:30:42 -0700 (Fri, 27 Jul 2007) $ 5 * 6 * ==================================================================== 7 * Licensed to the Apache Software Foundation (ASF) under one 8 * or more contributor license agreements. See the NOTICE file 9 * distributed with this work for additional information 10 * regarding copyright ownership. The ASF licenses this file 11 * to you under the Apache License, Version 2.0 (the 12 * "License"); you may not use this file except in compliance 13 * with the License. You may obtain a copy of the License at 14 * 15 * http://www.apache.org/licenses/LICENSE-2.0 16 * 17 * Unless required by applicable law or agreed to in writing, 18 * software distributed under the License is distributed on an 19 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 20 * KIND, either express or implied. See the License for the 21 * specific language governing permissions and limitations 22 * under the License. 23 * ==================================================================== 24 * 25 * This software consists of voluntary contributions made by many 26 * individuals on behalf of the Apache Software Foundation. For more 27 * information on the Apache Software Foundation, please see 28 * <http://www.apache.org/>. 29 * 30 */ 31 32 package org.apache.http.impl.entity; 33 34 import java.io.IOException; 35 36 import org.apache.http.Header; 37 import org.apache.http.HttpEntity; 38 import org.apache.http.HttpException; 39 import org.apache.http.HttpMessage; 40 import org.apache.http.entity.BasicHttpEntity; 41 import org.apache.http.entity.ContentLengthStrategy; 42 import org.apache.http.impl.io.ChunkedInputStream; 43 import org.apache.http.impl.io.ContentLengthInputStream; 44 import org.apache.http.impl.io.IdentityInputStream; 45 import org.apache.http.io.SessionInputBuffer; 46 import org.apache.http.protocol.HTTP; 47 48 /** 49 * Default implementation of an entity deserializer. 50 * <p> 51 * This entity deserializer currently supports only "chunked" and "identitiy" transfer-coding</a> 52 * </p> 53 * 54 * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> 55 * 56 * @version $Revision: 560358 $ 57 * 58 * @since 4.0 59 * 60 * @deprecated Please use {@link java.net.URL#openConnection} instead. 61 * Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a> 62 * for further details. 63 */ 64 @Deprecated 65 public class EntityDeserializer { 66 67 private final ContentLengthStrategy lenStrategy; 68 EntityDeserializer(final ContentLengthStrategy lenStrategy)69 public EntityDeserializer(final ContentLengthStrategy lenStrategy) { 70 super(); 71 if (lenStrategy == null) { 72 throw new IllegalArgumentException("Content length strategy may not be null"); 73 } 74 this.lenStrategy = lenStrategy; 75 } 76 doDeserialize( final SessionInputBuffer inbuffer, final HttpMessage message)77 protected BasicHttpEntity doDeserialize( 78 final SessionInputBuffer inbuffer, 79 final HttpMessage message) throws HttpException, IOException { 80 BasicHttpEntity entity = new BasicHttpEntity(); 81 82 long len = this.lenStrategy.determineLength(message); 83 if (len == ContentLengthStrategy.CHUNKED) { 84 entity.setChunked(true); 85 entity.setContentLength(-1); 86 entity.setContent(new ChunkedInputStream(inbuffer)); 87 } else if (len == ContentLengthStrategy.IDENTITY) { 88 entity.setChunked(false); 89 entity.setContentLength(-1); 90 entity.setContent(new IdentityInputStream(inbuffer)); 91 } else { 92 entity.setChunked(false); 93 entity.setContentLength(len); 94 entity.setContent(new ContentLengthInputStream(inbuffer, len)); 95 } 96 97 Header contentTypeHeader = message.getFirstHeader(HTTP.CONTENT_TYPE); 98 if (contentTypeHeader != null) { 99 entity.setContentType(contentTypeHeader); 100 } 101 Header contentEncodingHeader = message.getFirstHeader(HTTP.CONTENT_ENCODING); 102 if (contentEncodingHeader != null) { 103 entity.setContentEncoding(contentEncodingHeader); 104 } 105 return entity; 106 } 107 deserialize( final SessionInputBuffer inbuffer, final HttpMessage message)108 public HttpEntity deserialize( 109 final SessionInputBuffer inbuffer, 110 final HttpMessage message) throws HttpException, IOException { 111 if (inbuffer == null) { 112 throw new IllegalArgumentException("Session input buffer may not be null"); 113 } 114 if (message == null) { 115 throw new IllegalArgumentException("HTTP message may not be null"); 116 } 117 return doDeserialize(inbuffer, message); 118 } 119 120 } 121