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 all elements of string array from in a new array from
* index start up to index end (inclusive). If end is larger than the last
* valid index, it will be reduced to the last index. If end index is less
* than start index, an empty array will be returned.
*
* @param from The string array the elements should be copied from
* @param start Index of the first element to copy
* @param end Index of last element to be copied
*
* @return
*/
public String[] copyFrom(String[] from, int start, int end) {
String[] result;
int count;
int stop = end;
if (from == null) {
return null;
}
if (stop > (from.length - 1)) {
stop = from.length - 1;
}
count = stop - start + 1;
if (count < 1) {
return new String[0];
}
result = new String[count];
System.arraycopy(from, start, result, 0, count);
return result;
}
}