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1   /* ***** BEGIN LICENSE BLOCK *****
2    * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3    *
4    * The contents of this file are subject to the Mozilla Public License Version
5    * 1.1 (the "License"); you may not use this file except in compliance with
6    * the License. You may obtain a copy of the License at
7    * http://www.mozilla.org/MPL/
8    *
9    * Software distributed under the License is distributed on an "AS IS" basis,
10   * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11   * for the specific language governing rights and limitations under the
12   * License.
13   *
14   * The Original Code is "SMS Library for the Java platform".
15   *
16   * The Initial Developer of the Original Code is Markus Eriksson.
17   * Portions created by the Initial Developer are Copyright (C) 2002
18   * the Initial Developer. All Rights Reserved.
19   *
20   * Contributor(s):
21   *
22   * Alternatively, the contents of this file may be used under the terms of
23   * either the GNU General Public License Version 2 or later (the "GPL"), or
24   * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
25   * in which case the provisions of the GPL or the LGPL are applicable instead
26   * of those above. If you wish to allow use of your version of this file only
27   * under the terms of either the GPL or the LGPL, and not to allow others to
28   * use your version of this file under the terms of the MPL, indicate your
29   * decision by deleting the provisions above and replace them with the notice
30   * and other provisions required by the GPL or the LGPL. If you do not delete
31   * the provisions above, a recipient may use your version of this file under
32   * the terms of any one of the MPL, the GPL or the LGPL.
33   *
34   * ***** END LICENSE BLOCK ***** */
35  package org.marre.sms.transport.pswincom;
36  
37  import java.io.FilterReader;
38  import java.io.IOException;
39  import java.io.Reader;
40  
41  /***
42   * Cleans up the xml received from pswin.
43   * 
44   * The response contains a null character in the end. This character is not valid in xml so we have to
45   * remove that char before the data is sent to the xml parser.
46   * 
47   * @author Markus
48   * @version $Id: PsWinXmlCleanupReader.java,v 1.2 2005/11/26 16:12:10 c95men Exp $
49   */
50  public class PsWinXmlCleanupReader extends FilterReader
51  {
52      /***
53       * Creates this filter.
54       * 
55       * @param reader Reader to filter
56       */
57      protected PsWinXmlCleanupReader(Reader reader)
58      {
59          super(reader);
60      }
61  
62      /***
63       * Reads bytes but removes the terminating null.
64       * 
65       * @param cbuf 
66       * @param off 
67       * @param len 
68       * @return bytes read or -1 if eof
69       * @throws IOException 
70       */
71      public int read(char[] cbuf, int off, int len) throws IOException
72      {
73          int totRead = in.read(cbuf, off, len);
74          
75          if (totRead > 0)
76          {
77              // Found a terminating null, remove it
78              if (cbuf[off + totRead - 1] == 0x00)
79              {
80                  totRead--;
81              }
82          }
83          
84          return totRead;
85      }    
86  }