/**
 * License Agreement.
 *
 * Rich Faces - Natural Ajax for Java Server Faces (JSF)
 *
 * Copyright (C) 2007 Exadel, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License version 2.1 as published by the Free Software Foundation.
 *
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 */
package org.richfaces.renderkit;

/**
 * @author Nick Belaevski - mailto:nbelaevski@exadel.com
 * created 20.06.2007
 *
 */
public class Expression {
	private Object expression;

	public Expression(Object expression) {
		super();
		this.expression = expression;
	}

	public Object getExpression() {
		return expression;
	}
	
	public String toString() {
		return super.toString() + "[" + expression + "]";
	}

	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result
				+ ((expression == null) ? 0 : expression.hashCode());
		return result;
	}

	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		final Expression other = (Expression) obj;
		if (expression == null) {
			if (other.expression != null)
				return false;
		} else if (!expression.equals(other.expression))
			return false;
		return true;
	}
}
