/*
 * CommonUtils.java
 *
 *
 * Copyright (c) 2004 David Hjelm <dhjelm@ling.gu.se>.
 * 					  	 
 *
 * Project homepage: <http://sourceforge.net/projects/trindikit>.
 *
 * 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 se.gu.ling.trindikit.oaa.common;

import java.util.*;

public class CommonUtils{

    //returns all elements in v as a String separated by sep 
    public static String join(Vector v,String sep){
	String joined="";
	if(v!=null){
	    joined=v.elementAt(0).toString();
	    for(int i=1;i<v.size();++i)
		joined=joined+sep+v.elementAt(i).toString();
	}
	return joined;
    }

    public static String unquote(String str){
	//remove quotes (') from string if any
	String s = str;
	if(s.length()>0 && s.charAt(0) =='\'')
	    s=s.substring(1);
	if(s.length()>0 && s.charAt(s.length()-1)=='\'')
	    s=s.substring(0,s.length()-1);
	return s;
    }

    public static Vector splitOnWhitespace(String s){
	Vector v = new Vector();
	int i = s.indexOf(' ');
	if(i==-1){
	    v.add(s);
	    
	}
	else{
	    v.add(s.substring(0,i));
	    v.addAll(splitOnWhitespace(s.substring(i+1)));
	}
	return v;
    }
    
}