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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.nio.codecs;
29  
30  import java.io.IOException;
31  
32  import org.apache.http.HttpRequest;
33  import org.apache.http.annotation.NotThreadSafe;
34  import org.apache.http.message.LineFormatter;
35  import org.apache.http.nio.reactor.SessionOutputBuffer;
36  import org.apache.http.params.HttpParams;
37  import org.apache.http.util.CharArrayBuffer;
38  
39  /**
40   * Default {@link org.apache.http.nio.NHttpMessageWriter} implementation
41   * for {@link HttpRequest}s.
42   *
43   * @since 4.1
44   */
45  @SuppressWarnings("deprecation")
46  @NotThreadSafe
47  public class DefaultHttpRequestWriter extends AbstractMessageWriter<HttpRequest> {
48  
49      /**
50       * @deprecated (4.3) use
51       *   {@link DefaultHttpRequestWriter#DefaultHttpRequestWriter(SessionOutputBuffer, LineFormatter)}
52       */
53      @Deprecated
54      public DefaultHttpRequestWriter(final SessionOutputBuffer buffer,
55                               final LineFormatter formatter,
56                               final HttpParams params) {
57          super(buffer, formatter, params);
58      }
59  
60      /**
61       * Creates an instance of DefaultHttpRequestWriter.
62       *
63       * @param buffer the session output buffer.
64       * @param formatter the line formatter If {@code null}
65       *   {@link org.apache.http.message.BasicLineFormatter#INSTANCE} will be used.
66       *
67       * @since 4.3
68       */
69      public DefaultHttpRequestWriter(
70              final SessionOutputBuffer buffer,
71              final LineFormatter formatter) {
72          super(buffer, formatter);
73      }
74  
75      /**
76       * @since 4.3
77       */
78      public DefaultHttpRequestWriter(final SessionOutputBuffer buffer) {
79          super(buffer, null);
80      }
81  
82      @Override
83      protected void writeHeadLine(final HttpRequest message) throws IOException {
84          final CharArrayBuffer buffer = lineFormatter.formatRequestLine(
85                  this.lineBuf, message.getRequestLine());
86          this.sessionBuffer.writeLine(buffer);
87      }
88  
89  }