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.hc.core5.reactive;
29
30 import org.apache.hc.core5.http.Header;
31 import org.apache.hc.core5.http.nio.DataStreamChannel;
32
33 import java.io.IOException;
34 import java.nio.ByteBuffer;
35 import java.nio.channels.WritableByteChannel;
36 import java.util.ArrayList;
37 import java.util.List;
38
39 public class BasicDataStreamChannel implements DataStreamChannel {
40
41 private final WritableByteChannel byteChannel;
42 private List<Header> trailers;
43
44 public BasicDataStreamChannel(final WritableByteChannel byteChannel) {
45 this.byteChannel = byteChannel;
46 }
47
48 @Override
49 public void requestOutput() {
50 }
51
52 @Override
53 public int write(final ByteBuffer src) throws IOException {
54 return byteChannel.write(src);
55 }
56
57 @Override
58 public void endStream() throws IOException {
59 if (byteChannel.isOpen()) {
60 byteChannel.close();
61 }
62 }
63
64 @Override
65 public void endStream(final List<? extends Header> trailers) throws IOException {
66 endStream();
67 if (trailers != null) {
68 this.trailers = new ArrayList<>();
69 this.trailers.addAll(trailers);
70 }
71 }
72
73 public List<Header> getTrailers() {
74 return trailers;
75 }
76
77 }