1 /*
2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/impl/io/HttpResponseParser.java $
3  * $Revision: 589374 $
4  * $Date: 2007-10-28 09:25:07 -0700 (Sun, 28 Oct 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.io;
33 
34 import java.io.IOException;
35 
36 import org.apache.http.HttpException;
37 import org.apache.http.HttpMessage;
38 import org.apache.http.HttpResponseFactory;
39 import org.apache.http.NoHttpResponseException;
40 import org.apache.http.StatusLine;
41 import org.apache.http.ParseException;
42 import org.apache.http.io.SessionInputBuffer;
43 import org.apache.http.message.LineParser;
44 import org.apache.http.message.ParserCursor;
45 import org.apache.http.params.HttpParams;
46 import org.apache.http.util.CharArrayBuffer;
47 /**
48  * @deprecated Please use {@link java.net.URL#openConnection} instead.
49  *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
50  *     for further details.
51 */
52 
53 @Deprecated
54 public class HttpResponseParser extends AbstractMessageParser {
55 
56     private final HttpResponseFactory responseFactory;
57     private final CharArrayBuffer lineBuf;
58 
HttpResponseParser( final SessionInputBuffer buffer, final LineParser parser, final HttpResponseFactory responseFactory, final HttpParams params)59     public HttpResponseParser(
60             final SessionInputBuffer buffer,
61             final LineParser parser,
62             final HttpResponseFactory responseFactory,
63             final HttpParams params) {
64         super(buffer, parser, params);
65         if (responseFactory == null) {
66             throw new IllegalArgumentException("Response factory may not be null");
67         }
68         this.responseFactory = responseFactory;
69         this.lineBuf = new CharArrayBuffer(128);
70     }
71 
parseHead( final SessionInputBuffer sessionBuffer)72     protected HttpMessage parseHead(
73             final SessionInputBuffer sessionBuffer)
74         throws IOException, HttpException, ParseException {
75 
76         this.lineBuf.clear();
77         int i = sessionBuffer.readLine(this.lineBuf);
78         if (i == -1) {
79             throw new NoHttpResponseException("The target server failed to respond");
80         }
81         //create the status line from the status string
82         ParserCursor cursor = new ParserCursor(0, this.lineBuf.length());
83         StatusLine statusline = lineParser.parseStatusLine(this.lineBuf, cursor);
84         return this.responseFactory.newHttpResponse(statusline, null);
85     }
86 
87 }
88