//	jSMSEngine API.
//	An open-source API package for sending and receiving SMS via a GSM device.
//	Copyright (C) 2002-2006, Thanasis Delenikas, Athens/GREECE
//		Web Site: http://www.jsmsengine.org
//
//	jSMSEngine is a package which can be used in order to add SMS processing
//		capabilities in an application. jSMSEngine is written in Java. It allows you
//		to communicate with a compatible mobile phone or GSM Modem, and
//		send / receive SMS messages.
//
//	jSMSEngine is distributed under the LGPL license.
//
//	This library is free software; you can redistribute it and/or
//		modify it under the terms of the GNU Lesser General Public
//		License as published by the Free Software Foundation; either
//		version 2.1 of the License, or (at your option) any later version.
//	This library 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
//		Lesser General Public License for more details.
//	You should have received a copy of the GNU Lesser General Public
//		License along with this library; if not, write to the Free Software
//		Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

package org.jsmsengine;

import java.io.*;
import java.util.*;
import java.text.*;

/**
	This class has some general purpose functions.
*/
public class CUtils
{
	/**
		String substitution routine.

		@param	text	the initial text.
		@param	symbol	the string to be substituted.
		@param	value	the string that the "symbol" will be substituted with, in the "text" (all occurences).

		@return	the changed text.
	*/
	public static String substituteSymbol(String text, String symbol, String value)
	{
		StringBuffer buffer;

		while (text.indexOf(symbol) >= 0)
		{
			buffer = new StringBuffer(text);
			buffer.replace(text.indexOf(symbol), text.indexOf(symbol) + symbol.length(), value);
			text = buffer.toString();
		}
		return text;
	}
}