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1 /*
2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/impl/io/IdentityOutputStream.java $
3  * $Revision: 560343 $
4  * $Date: 2007-07-27 11:18:19 -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.io;
33 
34 import java.io.IOException;
35 import java.io.OutputStream;
36 
37 import org.apache.http.io.SessionOutputBuffer;
38 
39 /**
40  * A stream for writing with an "identity" transport encoding.
41  *
42  * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
43  *
44  * @version $Revision: 560343 $
45  *
46  * @since 4.0
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 @Deprecated
53 public class IdentityOutputStream extends OutputStream {
54 
55     /**
56      * Wrapped session output buffer.
57      */
58     private final SessionOutputBuffer out;
59 
60     /** True if the stream is closed. */
61     private boolean closed = false;
62 
IdentityOutputStream(final SessionOutputBuffer out)63     public IdentityOutputStream(final SessionOutputBuffer out) {
64         super();
65         if (out == null) {
66             throw new IllegalArgumentException("Session output buffer may not be null");
67         }
68         this.out = out;
69     }
70 
71     /**
72      * <p>Does not close the underlying socket output.</p>
73      *
74      * @throws IOException If an I/O problem occurs.
75      */
close()76     public void close() throws IOException {
77         if (!this.closed) {
78             this.closed = true;
79             this.out.flush();
80         }
81     }
82 
flush()83     public void flush() throws IOException {
84         this.out.flush();
85     }
86 
write(byte[] b, int off, int len)87     public void write(byte[] b, int off, int len) throws IOException {
88         if (this.closed) {
89             throw new IOException("Attempted write to closed stream.");
90         }
91         this.out.write(b, off, len);
92     }
93 
write(byte[] b)94     public void write(byte[] b) throws IOException {
95         write(b, 0, b.length);
96     }
97 
write(int b)98     public void write(int b) throws IOException {
99         if (this.closed) {
100             throw new IOException("Attempted write to closed stream.");
101         }
102         this.out.write(b);
103     }
104 
105 }
106