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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.io;
29  
30  import org.apache.http.HttpRequest;
31  import org.apache.http.HttpRequestFactory;
32  import org.apache.http.annotation.Immutable;
33  import org.apache.http.config.MessageConstraints;
34  import org.apache.http.impl.DefaultHttpRequestFactory;
35  import org.apache.http.io.HttpMessageParser;
36  import org.apache.http.io.HttpMessageParserFactory;
37  import org.apache.http.io.SessionInputBuffer;
38  import org.apache.http.message.BasicLineParser;
39  import org.apache.http.message.LineParser;
40  
41  /**
42   * Default factory for request message parsers.
43   *
44   * @since 4.3
45   */
46  @Immutable
47  public class DefaultHttpRequestParserFactory implements HttpMessageParserFactory<HttpRequest> {
48  
49      public static final DefaultHttpRequestParserFactory INSTANCE = new DefaultHttpRequestParserFactory();
50  
51      private final LineParser lineParser;
52      private final HttpRequestFactory requestFactory;
53  
54      public DefaultHttpRequestParserFactory(final LineParser lineParser,
55              final HttpRequestFactory requestFactory) {
56          super();
57          this.lineParser = lineParser != null ? lineParser : BasicLineParser.INSTANCE;
58          this.requestFactory = requestFactory != null ? requestFactory
59                  : DefaultHttpRequestFactory.INSTANCE;
60      }
61  
62      public DefaultHttpRequestParserFactory() {
63          this(null, null);
64      }
65  
66      @Override
67      public HttpMessageParser<HttpRequest> create(final SessionInputBuffer buffer,
68              final MessageConstraints constraints) {
69          return new DefaultHttpRequestParser(buffer, lineParser, requestFactory, constraints);
70      }
71  
72  }