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