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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 java.io.IOException;
31  
32  import org.apache.http.HttpResponse;
33  import org.apache.http.io.SessionOutputBuffer;
34  import org.apache.http.message.LineFormatter;
35  
36  /**
37   * HTTP response writer that serializes its output to an instance of {@link SessionOutputBuffer}.
38   *
39   * @since 4.3
40   */
41  public class DefaultHttpResponseWriter extends AbstractMessageWriter<HttpResponse> {
42  
43      /**
44       * Creates an instance of DefaultHttpResponseWriter.
45       *
46       * @param buffer the session output buffer.
47       * @param formatter the line formatter If {@code null}
48       *  {@link org.apache.http.message.BasicLineFormatter#INSTANCE}
49       *   will be used.
50       */
51      public DefaultHttpResponseWriter(
52              final SessionOutputBuffer buffer,
53              final LineFormatter formatter) {
54          super(buffer, formatter);
55      }
56  
57      public DefaultHttpResponseWriter(final SessionOutputBuffer buffer) {
58          super(buffer, null);
59      }
60  
61      @Override
62      protected void writeHeadLine(final HttpResponse message) throws IOException {
63          lineFormatter.formatStatusLine(this.lineBuf, message.getStatusLine());
64          this.sessionBuffer.writeLine(this.lineBuf);
65      }
66  
67  }