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.HttpRequest;
32 import org.apache.http.HttpRequestFactory;
33 import org.apache.http.ParseException;
34 import org.apache.http.RequestLine;
35 import org.apache.http.config.MessageConstraints;
36 import org.apache.http.impl.DefaultHttpRequestFactory;
37 import org.apache.http.message.LineParser;
38 import org.apache.http.message.ParserCursor;
39 import org.apache.http.nio.reactor.SessionInputBuffer;
40 import org.apache.http.params.HttpParams;
41 import org.apache.http.util.Args;
42 import org.apache.http.util.CharArrayBuffer;
43
44 /**
45 * Default {@link org.apache.http.nio.NHttpMessageParser} implementation
46 * for {@link HttpRequest}s.
47 *
48 * @since 4.1
49 */
50 @SuppressWarnings("deprecation")
51 public class DefaultHttpRequestParser extends AbstractMessageParser<HttpRequest> {
52
53 private final HttpRequestFactory requestFactory;
54
55 /**
56 * Creates an instance of this class.
57 *
58 * @param buffer the session input buffer.
59 * @param parser the line parser.
60 * @param params HTTP parameters.
61 *
62 * @deprecated (4.3) use
63 * {@link DefaultHttpRequestParser#DefaultHttpRequestParser(
64 * SessionInputBuffer, LineParser, HttpRequestFactory, MessageConstraints)}
65 */
66 @Deprecated
67 public DefaultHttpRequestParser(
68 final SessionInputBuffer buffer,
69 final LineParser parser,
70 final HttpRequestFactory requestFactory,
71 final HttpParams params) {
72 super(buffer, parser, params);
73 Args.notNull(requestFactory, "Request factory");
74 this.requestFactory = requestFactory;
75 }
76
77 /**
78 * Creates an instance of DefaultHttpRequestParser.
79 *
80 * @param buffer the session input buffer.
81 * @param parser the line parser. If {@code null}
82 * {@link org.apache.http.message.BasicLineParser#INSTANCE} will be used.
83 * @param requestFactory the request factory. If {@code null}
84 * {@link DefaultHttpRequestFactory#INSTANCE} will be used.
85 * @param constraints Message constraints. If {@code null}
86 * {@link MessageConstraints#DEFAULT} will be used.
87 *
88 * @since 4.3
89 */
90 public DefaultHttpRequestParser(
91 final SessionInputBuffer buffer,
92 final LineParser parser,
93 final HttpRequestFactory requestFactory,
94 final MessageConstraints constraints) {
95 super(buffer, parser, constraints);
96 this.requestFactory = requestFactory != null ? requestFactory : DefaultHttpRequestFactory.INSTANCE;
97 }
98
99 /**
100 * @since 4.3
101 */
102 public DefaultHttpRequestParser(final SessionInputBuffer buffer, final MessageConstraints constraints) {
103 this(buffer, null, null, constraints);
104 }
105
106 /**
107 * @since 4.3
108 */
109 public DefaultHttpRequestParser(final SessionInputBuffer buffer) {
110 this(buffer, null);
111 }
112
113 @Override
114 protected HttpRequest createMessage(final CharArrayBuffer buffer)
115 throws HttpException, ParseException {
116 final ParserCursor cursor = new ParserCursor(0, buffer.length());
117 final RequestLine requestLine = lineParser.parseRequestLine(buffer, cursor);
118 return this.requestFactory.newHttpRequest(requestLine);
119 }
120
121 }