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 org.apache.http.HttpException;
31 import org.apache.http.HttpResponse;
32 import org.apache.http.HttpResponseFactory;
33 import org.apache.http.StatusLine;
34 import org.apache.http.ParseException;
35 import org.apache.http.annotation.NotThreadSafe;
36 import org.apache.http.message.LineParser;
37 import org.apache.http.message.ParserCursor;
38 import org.apache.http.nio.NHttpMessageParser;
39 import org.apache.http.nio.reactor.SessionInputBuffer;
40 import org.apache.http.params.HttpParams;
41 import org.apache.http.util.CharArrayBuffer;
42
43 /**
44 * Default {@link NHttpMessageParser} implementation for {@link HttpResponse}s.
45 * <p>
46 * The following parameters can be used to customize the behavior of this
47 * class:
48 * <ul>
49 * <li>{@link org.apache.http.params.CoreConnectionPNames#MAX_HEADER_COUNT}</li>
50 * <li>{@link org.apache.http.params.CoreConnectionPNames#MAX_LINE_LENGTH}</li>
51 * </ul>
52 *
53 * @since 4.1
54 */
55 @NotThreadSafe
56 public class DefaultHttpResponseParser extends AbstractMessageParser<HttpResponse> {
57
58 private final HttpResponseFactory responseFactory;
59
60 public DefaultHttpResponseParser(
61 final SessionInputBuffer buffer,
62 final LineParser parser,
63 final HttpResponseFactory responseFactory,
64 final HttpParams params) {
65 super(buffer, parser, params);
66 if (responseFactory == null) {
67 throw new IllegalArgumentException("Response factory may not be null");
68 }
69 this.responseFactory = responseFactory;
70 }
71
72 @Override
73 protected HttpResponse createMessage(final CharArrayBuffer buffer)
74 throws HttpException, ParseException {
75 ParserCursor cursor = new ParserCursor(0, buffer.length());
76 StatusLine statusline = lineParser.parseStatusLine(buffer, cursor);
77 return this.responseFactory.newHttpResponse(statusline, null);
78 }
79
80 }