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.impl.nio.codecs;
29
30 import java.io.IOException;
31
32 import org.apache.http.HttpResponse;
33 import org.apache.http.message.LineFormatter;
34 import org.apache.http.nio.reactor.SessionOutputBuffer;
35 import org.apache.http.params.HttpParams;
36 import org.apache.http.util.CharArrayBuffer;
37
38 /**
39 * Default {@link org.apache.http.nio.NHttpMessageWriter} implementation
40 * for {@link HttpResponse}s.
41 *
42 * @since 4.1
43 */
44 @SuppressWarnings("deprecation")
45 public class DefaultHttpResponseWriter extends AbstractMessageWriter<HttpResponse> {
46
47 /**
48 * @deprecated (4.3) use
49 * {@link DefaultHttpResponseWriter#DefaultHttpResponseWriter(SessionOutputBuffer, LineFormatter)}
50 */
51 @Deprecated
52 public DefaultHttpResponseWriter(final SessionOutputBuffer buffer,
53 final LineFormatter formatter,
54 final HttpParams params) {
55 super(buffer, formatter, params);
56 }
57
58 /**
59 * Creates an instance of DefaultHttpResponseWriter.
60 *
61 * @param buffer the session output buffer.
62 * @param formatter the line formatter If {@code null}
63 * {@link org.apache.http.message.BasicLineFormatter#INSTANCE} will be used.
64 *
65 * @since 4.3
66 */
67 public DefaultHttpResponseWriter(
68 final SessionOutputBuffer buffer,
69 final LineFormatter formatter) {
70 super(buffer, formatter);
71 }
72
73 /**
74 * @since 4.3
75 */
76 public DefaultHttpResponseWriter(final SessionOutputBuffer buffer) {
77 super(buffer, null);
78 }
79
80 @Override
81 protected void writeHeadLine(final HttpResponse message) throws IOException {
82 final CharArrayBuffer buffer = lineFormatter.formatStatusLine(
83 this.lineBuf, message.getStatusLine());
84 this.sessionBuffer.writeLine(buffer);
85 }
86
87 }