1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27
28 package org.apache.http.nio.entity;
29
30 import java.io.IOException;
31 import java.io.OutputStream;
32
33 import org.apache.http.annotation.NotThreadSafe;
34 import org.apache.http.nio.util.ContentOutputBuffer;
35
36 /**
37 * {@link OutputStream} adaptor for {@link ContentOutputBuffer}.
38 *
39 * @since 4.0
40 */
41 @NotThreadSafe
42 public class ContentOutputStream extends OutputStream {
43
44 private final ContentOutputBuffer buffer;
45
46 public ContentOutputStream(final ContentOutputBuffer buffer) {
47 super();
48 if (buffer == null) {
49 throw new IllegalArgumentException("Output buffer may not be null");
50 }
51 this.buffer = buffer;
52 }
53
54 @Override
55 public void close() throws IOException {
56 this.buffer.writeCompleted();
57 }
58
59 @Override
60 public void flush() throws IOException {
61 }
62
63 @Override
64 public void write(byte[] b, int off, int len) throws IOException {
65 this.buffer.write(b, off, len);
66 }
67
68 @Override
69 public void write(byte[] b) throws IOException {
70 if (b == null) {
71 return;
72 }
73 this.buffer.write(b, 0, b.length);
74 }
75
76 @Override
77 public void write(int b) throws IOException {
78 this.buffer.write(b);
79 }
80
81 }