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;
29
30 import java.io.IOException;
31 import java.nio.ByteBuffer;
32 import java.nio.channels.WritableByteChannel;
33
34 /**
35 * A {@link WritableByteChannel} that delegates to a {@link ContentEncoder}.
36 * Attempts to close this channel are ignored, and {@link #isOpen} always
37 * returns {@code true}.
38 *
39 * @since 4.0
40 */
41 public class ContentEncoderChannel implements WritableByteChannel {
42
43 private final ContentEncoder contentEncoder;
44
45 public ContentEncoderChannel(final ContentEncoder contentEncoder) {
46 this.contentEncoder = contentEncoder;
47 }
48
49 @Override
50 public int write(final ByteBuffer src) throws IOException {
51 return contentEncoder.write(src);
52 }
53
54 @Override
55 public void close() {}
56
57 @Override
58 public boolean isOpen() {
59 return true;
60 }
61
62 }