stringreplacer.java

java语言开发的P2P流媒体系统

/* 
 * P2P-Radio - Peer to peer streaming system
 * Project homepage: http://p2p-radio.sourceforge.net/
 * Copyright (C) 2003-2004 Michael Kaufmann <[e-mail]>
 * 
 * ---------------------------------------------------------------------------
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * ---------------------------------------------------------------------------
 */

package p2pradio.tools;

/**
 * GNU Classpath doesn't support the methods String.replaceFirst() and String.replaceAll()
 */
public class StringReplacer
{
	private StringReplacer()
	{
		
	}
	
	public static String replaceFirst(String text, String find, String replace)
	{
		int pos;
	
		if ((pos = text.indexOf(find)) != -1)
		{
			String text1 = text.substring(0, pos);
			String text2 = text.substring(pos + find.length(), text.length());
			text = text1 + replace + text2;
			pos += replace.length();
		}
		
		return text;
	}
	
	public static String replaceAll(String text, String find, String replace)
	{
		int pos = 0;
		
		while((pos = text.indexOf(find, pos)) != -1)
		{
			String text1 = text.substring(0, pos);
			String text2 = text.substring(pos + find.length(), text.length());
			text = text1 + replace + text2;
			pos += replace.length();
		}
		
		return text;
	}
}