PseudoElement.java

/*******************************************************************************
 * Copyright (c) 2004, 2008 John Krasnay and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     John Krasnay - initial API and implementation
 *******************************************************************************/
package net.sf.vex.css;

import net.sf.vex.dom.Element;

/**
 * Represents a :before or :after pseudo-element.
 */
public class PseudoElement extends Element {
    
    public static final String AFTER = "after";
    public static final String BEFORE = "before";

    /**
     * Class constructor.
     * @param parent Parent element to this pseudo-element.
     * @param name Name of this pseudo-element, e.g. PseudoElement.BEFORE.
     */    
    public PseudoElement(Element parent, String name) {
        super(name);
        this.setParent(parent);
    }
    
    /**
     * @see java.lang.Object#equals(java.lang.Object)
     */
    public boolean equals(Object o) {
        if (o == null || o.getClass() != this.getClass()) {
            return false;
        }
        PseudoElement other = (PseudoElement) o;
        return this.getParent() == other.getParent()
            && this.getName().equals(other.getName());
    }
    
    /**
     * @see java.lang.Object#hashCode()
     */
    public int hashCode() {
        return this.getParent().hashCode() + this.getName().hashCode();
    }
}