CharResponseWrapper


1   /*
2    * EJTools, the Enterprise Java Tools
3    *
4    * Distributable under LGPL license.
5    * See terms of license at www.gnu.org.
6    */
7   package org.ejtools.servlet.http;
8   
9   import java.io.CharArrayWriter  ;
10  import java.io.PrintWriter  ;
11  
12  import javax.servlet.http.HttpServletResponse  ;
13  import javax.servlet.http.HttpServletResponseWrapper  ;
14  
15  /**
16   * A Response wrapper that allows the manipulation of the Servlet Response.
17   * <p>Create a buffer based on a Char array.</p>
18   *
19   * @author    Laurent Etiemble
20   * @version   $Revision: 1.3 $
21   */
22  public class CharResponseWrapper extends HttpServletResponseWrapper  
23  {
24     /** Buffer used to store content */
25     protected CharArrayWriter   output = null;
26  
27  
28     /**
29      * Constructor for the CharResponseWrapper object
30      *
31      * @param response  Response stream to wrap
32      */
33     public CharResponseWrapper(HttpServletResponse   response)
34     {
35        super(response);
36        output = new CharArrayWriter  ();
37     }
38  
39  
40     /**
41      * Return a writer that wraps the buffered content
42      *
43      * @return   The writer of the wrapper
44      */
45     public PrintWriter   getWriter()
46     {
47        return new PrintWriter  (output);
48     }
49  
50  
51     /**
52      * Return the content of the buffer
53      *
54      * @return   The content as String
55      */
56     public String   toString()
57     {
58        return output.toString();
59     }
60  }
61

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