HttpResponseParser.java revision d42abb2fd917184764daf22f5f299e848b8701d7 
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
32package org.apache.http.impl.io;
33
34import java.io.IOException;
35
36import org.apache.http.HttpException;
37import org.apache.http.HttpMessage;
38import org.apache.http.HttpResponseFactory;
39import org.apache.http.NoHttpResponseException;
40import org.apache.http.StatusLine;
41import org.apache.http.ParseException;
42import org.apache.http.io.SessionInputBuffer;
43import org.apache.http.message.LineParser;
44import org.apache.http.message.ParserCursor;
45import org.apache.http.params.HttpParams;
46import 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
54public class HttpResponseParser extends AbstractMessageParser {
55
56    private final HttpResponseFactory responseFactory;
57    private final CharArrayBuffer lineBuf;
58
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
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