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.http.impl.io;
29
30 import java.io.IOException;
31
32 import org.apache.hc.core5.http.ClassicHttpResponse;
33 import org.apache.hc.core5.http.HttpResponse;
34 import org.apache.hc.core5.http.HttpVersion;
35 import org.apache.hc.core5.http.config.Http1Config;
36 import org.apache.hc.core5.http.message.LineFormatter;
37 import org.apache.hc.core5.http.message.StatusLine;
38 import org.apache.hc.core5.util.CharArrayBuffer;
39
40 /**
41 * HTTP response writer that serializes its output to an instance of
42 * {@link org.apache.hc.core5.http.io.SessionOutputBuffer}.
43 *
44 * @since 4.3
45 */
46 public class DefaultHttpResponseWriter extends AbstractMessageWriter<ClassicHttpResponse> {
47
48 private final Http1Config http1Config;
49
50 /**
51 * @since 5.3
52 */
53 public DefaultHttpResponseWriter(final Http1Config http1Config, final LineFormatter formatter) {
54 super(formatter);
55 this.http1Config = http1Config != null ? http1Config : Http1Config.DEFAULT;
56 }
57
58 public DefaultHttpResponseWriter(final LineFormatter formatter) {
59 this(null, formatter);
60 }
61
62 public DefaultHttpResponseWriter() {
63 this(null, null);
64 }
65
66 /**
67 * Determines the HTTP protocol version to be communicated to the opposite
68 * endpoint in the message header.
69 *
70 * @since 5.3
71 */
72 protected HttpVersion protocolVersion(final HttpResponse message) {
73 return http1Config.getVersion();
74 }
75
76 @Override
77 protected void writeHeadLine(
78 final ClassicHttpResponse message, final CharArrayBuffer lineBuf) throws IOException {
79 getLineFormatter().formatStatusLine(lineBuf, new StatusLine(
80 protocolVersion(message),
81 message.getCode(),
82 message.getReasonPhrase()));
83 }
84
85 }