StringUtils


1   /*
2    * Copyright 2002 by
3    * <a HREF="http://www.coridan.com">Coridan</a>
4    * <a HREF="mailto: support@coridan.com ">support@coridan.com</a>
5    *
6    * The contents of this file are subject to the Mozilla Public License Version
7    * 1.1 (the "License"); you may not use this file except in compliance with the
8    * License.  You may obtain a copy of the License at
9    * http://www.mozilla.org/MPL/
10   *
11   * Software distributed under the License is distributed on an "AS IS" basis,
12   * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13   * for the specific language governing rights and limitations under the
14   * License.
15   *
16   * The Original Code is "MantaRay" (TM).
17   *
18   * The Initial Developer of the Original Code is Amir Shevat.
19   * Portions created by the Initial Developer are Copyright (C) 2006
20   * Coridan Inc.  All Rights Reserved.
21   *
22   * Contributor(s): all the names of the contributors are added in the source
23   * code where applicable.
24   *
25   * Alternatively, the contents of this file may be used under the terms of the
26   * LGPL license (the "GNU LESSER GENERAL PUBLIC LICENSE"), in which case the
27   * provisions of LGPL are applicable instead of those above.  If you wish to
28   * allow use of your version of this file only under the terms of the LGPL
29   * License and not to allow others to use your version of this file under
30   * the MPL, indicate your decision by deleting the provisions above and
31   * replace them with the notice and other provisions required by the LGPL.
32   * If you do not delete the provisions above, a recipient may use your version
33   * of this file under either the MPL or the GNU LESSER GENERAL PUBLIC LICENSE.
34   
35   *
36   * This library is free software; you can redistribute it and/or modify it
37   * under the terms of the MPL as stated above or under the terms of the GNU
38   * Lesser General Public License as published by the Free Software Foundation;
39   * either version 2.1 of the License, or any later version.
40   *
41   * This library is distributed in the hope that it will be useful, but WITHOUT
42   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
43   * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
44   * License for more details.
45   */
46  /*
47   * Created on Dec 10, 2003
48   *
49   */
50  package org.mr.core.util;
51  
52  /**
53   * StringUtils general sting utils
54   * @author Amir Shevat
55   * 
56   *
57   */
58  public class StringUtils {
59  
60      
61      /**
62       * this fine method takes str and replace all occurrences of oldStr with newStr
63       *
64       *@param String str the full string the method runs on
65       *
66       *@param String oldStr the string to be replaced
67       *
68       *@param String newStr the sting to replace the old string
69       *
70       *@return a new sting that replaced all occurrences of oldStr with newStr
71       */
72      public static String   replace(String   str , String   oldStr , String   newStr){
73          if(str == null || oldStr == null || newStr== null )return str;
74          int indexOfOldStr = str.indexOf(oldStr,0 );
75          int oldStrLength = oldStr.length();
76          int newStrLength = newStr.length();
77          while(indexOfOldStr!= -1){
78              str = str.substring(0, indexOfOldStr)+newStr+str.substring(indexOfOldStr+oldStrLength);
79              indexOfOldStr = str.indexOf(oldStr, indexOfOldStr+newStrLength);
80          }
81          return str;
82      }
83  }
84
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