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
32package org.apache.http.impl.io;
33
34import java.io.IOException;
35import java.io.OutputStream;
36
37import 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
53public 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
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     */
76    public void close() throws IOException {
77        if (!this.closed) {
78            this.closed = true;
79            this.out.flush();
80        }
81    }
82
83    public void flush() throws IOException {
84        this.out.flush();
85    }
86
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
94    public void write(byte[] b) throws IOException {
95        write(b, 0, b.length);
96    }
97
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