Returns the given string with all found oldSubStr replaced by newSubStr. : String replace « Data Type « Java





Returns the given string with all found oldSubStr replaced by newSubStr.

     
/*
 *  SSHTools - Java SSH2 API
 *
 *  Copyright (C) 2002-2003 Lee David Painter and Contributors.
 *
 *  Contributions made by:
 *
 *  Brett Smith
 *  Richard Pernavas
 *  Erwin Bolwidt
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
//package com.sshtools.daemon.util;



/**
 * The sole instance of this class provides several convienience methods for
 * string manipulation such as substring replacement or character repetition.
 *
 * @author Manfred Duchrow
 * @version 2.0
 */
public class Util{
    /**
     * Returns the given string with all found oldSubStr replaced by newSubStr. <br>
 * Example: StringUtil.current().replaceAll( "Seven of ten", "even", "ix"
 * ) ;<br>
 * results in: "Six of ten"
 *
 * @param sourceStr The string that should be checked for occurrences of
 *        oldSubStr
 * @param oldSubStr The string that is searched for in sourceStr
 * @param newSubStr The new string that is placed everywhere the oldSubStr
 *        was found
 *
 * @return The original string with all found substrings replaced by new
 *         strings
 */
    public String replaceAll(String sourceStr, String oldSubStr,
        String newSubStr) {
        String part = null;
        String result = "";
        int index = -1;
        int subLen = 0;
        subLen = oldSubStr.length();
        part = sourceStr;

        while ((part.length() > 0) && (subLen > 0)) {
            index = part.indexOf(oldSubStr);

            if (index >= 0) {
                result = result + part.substring(0, index) + newSubStr;
                part = part.substring(index + subLen);
            } else {
                result = result + part;
                part = "";
            }
        }

        // while
        return result;
    }
}

   
    
    
    
    
  










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