import java.io.PrintWriter;
import java.io.StringWriter;
/*
* 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 portion of the given string that comes before the last
* occurance of the specified separator.
* If the separator could not be found in the given string, then the
* string is returned unchanged.
*
*
* Examples:
*
*
*
* cutTail( "A/B/C", "/" ) ; // returns "A/B"
* cutTail( "A/B/C", "," ) ; // returns "A/B/C"
*
*
*
*
* @param text The string from which to cut off the tail
* @param separator The separator from where to cut off
*
* @return the string without the separator and without the characters
* after the separator
*
* @see #prefix( String, String )
* @see #suffix( String, String )
* @see #cutHead( String, String )
* @see #startingFrom( String, String )
* @see #upTo( String, String )
*/
public String cutTail(String text, String separator) {
int index;
if ((text == null) || (separator == null)) {
return text;
}
index = text.lastIndexOf(separator);
if (index < 0) {
return text;
}
return text.substring(0, index);
}
}