XPathFunctionUtility.java

/**
Copyright (C) 2012  Delcyon, Inc.

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 3 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, see <http://www.gnu.org/licenses/>.
 */
package com.delcyon.capo.xml;

import org.w3c.dom.Node;

/**
 * @author jeremiah
 *
 */
public class XPathFunctionUtility
{

	public static String getPrefix(Node contextNode, Object[] arguments, int position)
	{
		String prefix = null;
		if (arguments.length > position)
		{
			prefix = arguments[position]+":";
		}
		else if (contextNode != null && contextNode.getPrefix() != null)
		{
			prefix = contextNode.getPrefix()+":";
		}
		else 
		{
			prefix = "";
		}
		return prefix;
	}

}