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 import org.apache.http.util.Args;
36
37 /**
38 * {@link OutputStream} adaptor for {@link ContentOutputBuffer}.
39 *
40 * @since 4.0
41 */
42 @NotThreadSafe
43 public class ContentOutputStream extends OutputStream {
44
45 private final ContentOutputBuffer buffer;
46
47 public ContentOutputStream(final ContentOutputBuffer buffer) {
48 super();
49 Args.notNull(buffer, "Output buffer");
50 this.buffer = buffer;
51 }
52
53 @Override
54 public void close() throws IOException {
55 this.buffer.writeCompleted();
56 }
57
58 @Override
59 public void flush() throws IOException {
60 }
61
62 @Override
63 public void write(final byte[] b, final int off, final int len) throws IOException {
64 this.buffer.write(b, off, len);
65 }
66
67 @Override
68 public void write(final byte[] b) throws IOException {
69 if (b == null) {
70 return;
71 }
72 this.buffer.write(b, 0, b.length);
73 }
74
75 @Override
76 public void write(final int b) throws IOException {
77 this.buffer.write(b);
78 }
79
80 }