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/*
 * Copyright 2007, 2008 Duncan McGregor
 * 
 * This file is part of Rococoa, a library to allow Java to talk to Cocoa.
 * 
 * Rococoa 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 3 of the License, or
 * (at your option) any later version.
 * 
 * Rococoa 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 Rococoa.  If not, see .
 */
 
package org.rococoa.internal;

@SuppressWarnings("nls")
public class VarArgsUnpacker {

    private static final String SEPERATOR = ", ";
    private static final Object[] NULLARGS = new Object[0];
    
    private final Object[] args;

    public VarArgsUnpacker(Object... args) {
        this.args = args != null ? args : NULLARGS;        
    }
    
    @Override
    public String toString() {
        StringBuilder  result = new StringBuilder();
        for (int i = 0; i < args.length; i++) {
            result.append(String.valueOf(args[i])).append(SEPERATOR);
        }
        if (result.length() > 0)
            result.setLength(result.length() - SEPERATOR.length());
        return result.toString();
    }

}