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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.myfaces.custom.captcha.util;
20  
21  import java.io.IOException;
22  import java.io.OutputStream;
23  import javax.faces.context.ResponseStream;
24  
25  /**
26   * This class is responsible for wrapping the CAPTCHA Image
27   * response stream.
28   * 
29   * @since 1.1.7
30   */
31  public final class CAPTCHAResponseStream extends ResponseStream
32  {
33      private final OutputStream _out;
34  
35      public CAPTCHAResponseStream(OutputStream out)
36      {
37          _out = out;
38      }
39  
40      public void close() throws IOException
41      {
42          _out.flush();
43          _out.close();
44      }
45  
46      public void flush() throws IOException
47      {
48          _out.flush();
49      }
50  
51      public void write(byte[] b, int off, int len) throws IOException
52      {
53          _out.write(b, off, len);
54      }
55  
56      public void write(byte[] b) throws IOException
57      {
58          _out.write(b);
59      }
60  
61      public void write(int b) throws IOException
62      {
63          _out.write(b);
64      }
65  }