1 /*
2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/impl/io/AbstractMessageWriter.java $
3  * $Revision: 569673 $
4  * $Date: 2007-08-25 06:58:51 -0700 (Sat, 25 Aug 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 import java.util.Iterator;
36 
37 import org.apache.http.Header;
38 import org.apache.http.HttpException;
39 import org.apache.http.HttpMessage;
40 import org.apache.http.io.HttpMessageWriter;
41 import org.apache.http.io.SessionOutputBuffer;
42 import org.apache.http.message.LineFormatter;
43 import org.apache.http.message.BasicLineFormatter;
44 import org.apache.http.params.HttpParams;
45 import org.apache.http.util.CharArrayBuffer;
46 /**
47  * @deprecated Please use {@link java.net.URL#openConnection} instead.
48  *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
49  *     for further details.
50 */
51 
52 @Deprecated
53 public abstract class AbstractMessageWriter implements HttpMessageWriter {
54 
55     protected final SessionOutputBuffer sessionBuffer;
56     protected final CharArrayBuffer lineBuf;
57     protected final LineFormatter lineFormatter;
58 
AbstractMessageWriter(final SessionOutputBuffer buffer, final LineFormatter formatter, final HttpParams params)59     public AbstractMessageWriter(final SessionOutputBuffer buffer,
60                                  final LineFormatter formatter,
61                                  final HttpParams params) {
62         super();
63         if (buffer == null) {
64             throw new IllegalArgumentException("Session input buffer may not be null");
65         }
66         this.sessionBuffer = buffer;
67         this.lineBuf = new CharArrayBuffer(128);
68         this.lineFormatter = (formatter != null) ?
69             formatter : BasicLineFormatter.DEFAULT;
70     }
71 
writeHeadLine(HttpMessage message)72     protected abstract void writeHeadLine(HttpMessage message)
73         throws IOException
74         ;
75 
write( final HttpMessage message)76     public void write(
77             final HttpMessage message) throws IOException, HttpException {
78         if (message == null) {
79             throw new IllegalArgumentException("HTTP message may not be null");
80         }
81         writeHeadLine(message);
82         for (Iterator it = message.headerIterator(); it.hasNext(); ) {
83             Header header = (Header) it.next();
84             this.sessionBuffer.writeLine
85                 (lineFormatter.formatHeader(this.lineBuf, header));
86         }
87         this.lineBuf.clear();
88         this.sessionBuffer.writeLine(this.lineBuf);
89     }
90 
91 }
92