isequalfilter.java

本程序用于对页面信息进行提取并分析

// HTMLParser Library $Name: v1_6_20060319 $ - A java-based parser for HTML
// http://sourceforge.org/projects/htmlparser
// Copyright (C) 2004 Derrick Oswald
//
// Revision Control Information
//
// $Source: /cvsroot/htmlparser/htmlparser/src/org/htmlparser/filters/IsEqualFilter.java,v $
// $Author: derrickoswald $
// $Date: 2005/05/15 11:49:04 $
// $Revision: 1.2 $
//
// This library 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 2.1 of the License, or (at your option) any later version.
//
// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//

package org.htmlparser.filters;

import org.htmlparser.Node;
import org.htmlparser.NodeFilter;

/**
 * This class accepts only one specific node.
 */
public class IsEqualFilter implements NodeFilter
{
    /**
     * The node to match.
     */
    protected Node mNode;

    /**
     * Creates a new IsEqualFilter that accepts only the node provided.
     * @param node The node to match.
     */
    public IsEqualFilter (Node node)
    {
        mNode = node;
    }

    /**
     * Accept the node.
     * @param node The node to check.
     * @return <code>false</code> unless <code>node</code> is the one and only.
     */
    public boolean accept (Node node)
    {
        return (mNode == node);
    }
}