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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.HttpResponse;
31  import org.apache.http.annotation.Immutable;
32  import org.apache.http.io.HttpMessageWriter;
33  import org.apache.http.io.HttpMessageWriterFactory;
34  import org.apache.http.io.SessionOutputBuffer;
35  import org.apache.http.message.BasicLineFormatter;
36  import org.apache.http.message.LineFormatter;
37  
38  /**
39   * Default factory for response message writers.
40   *
41   * @since 4.3
42   */
43  @Immutable
44  public class DefaultHttpResponseWriterFactory implements HttpMessageWriterFactory<HttpResponse> {
45  
46      public static final DefaultHttpResponseWriterFactory INSTANCE = new DefaultHttpResponseWriterFactory();
47  
48      private final LineFormatter lineFormatter;
49  
50      public DefaultHttpResponseWriterFactory(final LineFormatter lineFormatter) {
51          super();
52          this.lineFormatter = lineFormatter != null ? lineFormatter : BasicLineFormatter.INSTANCE;
53      }
54  
55      public DefaultHttpResponseWriterFactory() {
56          this(null);
57      }
58  
59      public HttpMessageWriter<HttpResponse> create(final SessionOutputBuffer buffer) {
60          return new DefaultHttpResponseWriter(buffer, lineFormatter);
61      }
62  
63  }