DelegatingServletOutputStream


1   /*
2    * Copyright 2002-2006 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.springframework.mock.web;
18  
19  import java.io.IOException  ;
20  import java.io.OutputStream  ;
21  
22  import javax.servlet.ServletOutputStream  ;
23  
24  /**
25   * Delegating implementation of {@link javax.servlet.ServletOutputStream}.
26   *
27   * <p>Used by {@link MockHttpServletResponse}; typically not directly
28   * used for testing application controllers.
29   *
30   * @author Juergen Hoeller
31   * @since 1.0.2
32   * @see MockHttpServletResponse
33   */
34  public class DelegatingServletOutputStream extends ServletOutputStream   {
35  
36      private final OutputStream   targetStream;
37  
38  
39      /**
40       * Create a new DelegatingServletOutputStream.
41       * @param targetStream the target OutputStream
42       */
43      public DelegatingServletOutputStream(OutputStream   targetStream) {
44          this.targetStream = targetStream;
45      }
46  
47      public OutputStream   getTargetStream() {
48          return targetStream;
49      }
50  
51  
52      public void write(int b) throws IOException   {
53          this.targetStream.write(b);
54      }
55  
56      public void flush() throws IOException   {
57          super.flush();
58          this.targetStream.flush();
59      }
60  
61      public void close() throws IOException   {
62          super.close();
63          this.targetStream.close();
64      }
65  
66  }
67
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