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.nio.util.ContentOutputBuffer;
34 import org.apache.http.util.Args;
35
36 /**
37 * {@link OutputStream} adaptor for {@link ContentOutputBuffer}.
38 *
39 * @since 4.0
40 */
41 public class ContentOutputStream extends OutputStream {
42
43 private final ContentOutputBuffer buffer;
44
45 public ContentOutputStream(final ContentOutputBuffer buffer) {
46 super();
47 Args.notNull(buffer, "Output buffer");
48 this.buffer = buffer;
49 }
50
51 @Override
52 public void close() throws IOException {
53 this.buffer.writeCompleted();
54 }
55
56 @Override
57 public void flush() throws IOException {
58 }
59
60 @Override
61 public void write(final byte[] b, final int off, final int len) throws IOException {
62 this.buffer.write(b, off, len);
63 }
64
65 @Override
66 public void write(final byte[] b) throws IOException {
67 if (b == null) {
68 return;
69 }
70 this.buffer.write(b, 0, b.length);
71 }
72
73 @Override
74 public void write(final int b) throws IOException {
75 this.buffer.write(b);
76 }
77
78 }