View Javadoc

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.HttpRequest;
31  import org.apache.http.HttpRequestFactory;
32  import org.apache.http.annotation.ThreadingBehavior;
33  import org.apache.http.annotation.Contract;
34  import org.apache.http.config.MessageConstraints;
35  import org.apache.http.impl.DefaultHttpRequestFactory;
36  import org.apache.http.message.BasicLineParser;
37  import org.apache.http.message.LineParser;
38  import org.apache.http.nio.NHttpMessageParser;
39  import org.apache.http.nio.NHttpMessageParserFactory;
40  import org.apache.http.nio.reactor.SessionInputBuffer;
41  
42  /**
43   * Default factory for request message parsers.
44   *
45   * @since 4.3
46   */
47  @Contract(threading = ThreadingBehavior.IMMUTABLE_CONDITIONAL)
48  public class DefaultHttpRequestParserFactory implements NHttpMessageParserFactory<HttpRequest> {
49  
50      public static final DefaultHttpRequestParserFactory INSTANCE = new DefaultHttpRequestParserFactory();
51  
52      private final LineParser lineParser;
53      private final HttpRequestFactory requestFactory;
54  
55      public DefaultHttpRequestParserFactory(final LineParser lineParser,
56              final HttpRequestFactory requestFactory) {
57          super();
58          this.lineParser = lineParser != null ? lineParser : BasicLineParser.INSTANCE;
59          this.requestFactory = requestFactory != null ? requestFactory
60                  : DefaultHttpRequestFactory.INSTANCE;
61      }
62  
63      public DefaultHttpRequestParserFactory() {
64          this(null, null);
65      }
66  
67      @Override
68      public NHttpMessageParser<HttpRequest> create(final SessionInputBuffer buffer,
69              final MessageConstraints constraints) {
70          return new DefaultHttpRequestParser(buffer, lineParser, requestFactory, constraints);
71      }
72  
73  }