/* BindXelFactory.java

	Purpose:
		
	Description:
		
	History:
		Aug 10, 2011 5:56:08 PM, Created by henrichen

Copyright (C) 2011 Potix Corporation. All Rights Reserved.
*/

package org.zkoss.bind.xel;

import org.zkoss.bind.xel.zel.BindELContext;
import org.zkoss.xel.Expression;
import org.zkoss.xel.XelContext;
import org.zkoss.xel.XelException;
import org.zkoss.xel.zel.ELFactory;
import org.zkoss.zel.ELContext;

/**
 * Xel Factory for Binding.
 * @author henrichen
 * @since 6.0.0
 */
public class BindXelFactory extends ELFactory {
	public Expression parseExpression(XelContext xelc, String expression,
			@SuppressWarnings("rawtypes") Class expectedType) throws XelException {
		return new BindXelExpression(_expf.createValueExpression(newELContext(xelc), expression, expectedType));
	}

	protected ELContext newELContext(XelContext xelc) {
		return new BindELContext(xelc);
	}

	//20110815, Henri Chen: allow overriding node visiting (see BindExpressionFactory#newExpressionBuilder)
	protected org.zkoss.zel.ExpressionFactory newExpressionFactory() {
		return new org.zkoss.bind.xel.zel.BindExpressionFactoryImpl();
	}
}