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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;
29  
30  import java.io.ByteArrayOutputStream;
31  import java.nio.charset.Charset;
32  import java.nio.charset.CharsetEncoder;
33  
34  import org.apache.http.impl.io.HttpTransportMetricsImpl;
35  import org.apache.http.impl.io.SessionOutputBufferImpl;
36  
37  /**
38   * {@link org.apache.http.io.SessionOutputBuffer} mockup implementation.
39   *
40   */
41  public class SessionOutputBufferMock extends SessionOutputBufferImpl {
42  
43      public static final int BUFFER_SIZE = 16;
44  
45      private final ByteArrayOutputStream buffer;
46  
47      public SessionOutputBufferMock(
48              final ByteArrayOutputStream buffer,
49              final int buffersize,
50              final int fragementSizeHint,
51              final CharsetEncoder encoder) {
52          super(new HttpTransportMetricsImpl(), buffersize, fragementSizeHint, encoder);
53          bind(buffer);
54          this.buffer = buffer;
55      }
56  
57      public SessionOutputBufferMock(
58              final ByteArrayOutputStream buffer,
59              final int buffersize) {
60          this(buffer, buffersize, buffersize, null);
61      }
62  
63      public SessionOutputBufferMock(
64              final CharsetEncoder encoder) {
65          this(new ByteArrayOutputStream(), BUFFER_SIZE, BUFFER_SIZE, encoder);
66      }
67  
68      public SessionOutputBufferMock(
69              final Charset charset) {
70          this(new ByteArrayOutputStream(), BUFFER_SIZE, BUFFER_SIZE,
71                  charset != null ? charset.newEncoder() : null);
72      }
73  
74      public SessionOutputBufferMock(final ByteArrayOutputStream buffer) {
75          this(buffer, BUFFER_SIZE, BUFFER_SIZE, null);
76      }
77  
78      public SessionOutputBufferMock() {
79          this(new ByteArrayOutputStream());
80      }
81  
82      public byte[] getData() {
83          if (this.buffer != null) {
84              return this.buffer.toByteArray();
85          } else {
86              return new byte[] {};
87          }
88      }
89  
90  }