domxpath.java

XML的解析、编译、查询等技术的JAVA源代码。

/*
 * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/dom/DOMXPath.java,v 1.10 2006/06/03 20:44:16 elharo Exp $
 * $Revision: 1.10 $
 * $Date: 2006/06/03 20:44:16 $
 *
 * ====================================================================
 *
 * Copyright 2000-2002 bob mcwhirter & James Strachan.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 
 *   * Neither the name of the Jaxen Project nor the names of its
 *     contributors may be used to endorse or promote products derived 
 *     from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * ====================================================================
 * This software consists of voluntary contributions made by many 
 * individuals on behalf of the Jaxen Project and was originally 
 * created by bob mcwhirter <[e-mail]> and 
 * James Strachan <[e-mail]>.  For more information on the 
 * Jaxen Project, please see <http://www.jaxen.org/>.
 * 
 * $Id: DOMXPath.java,v 1.10 2006/06/03 20:44:16 elharo Exp $
 */

// XPath.java - top-level entry point for DOM XPath matching.

package org.jaxen.dom;

import org.jaxen.BaseXPath;
import org.jaxen.JaxenException;

/** An XPath implementation for the W3C DOM.
 *
 * <p>This is the main entry point for matching an XPath against a DOM
 * tree.  You create a compiled XPath object, then match it against
 * one or more context nodes using the {@link #selectNodes(Object)}
 * method, as in the following example:</p>
 *
 * <pre> XPath path = new DOMXPath("a/b/c");
 * List results = path.selectNodes(domNode);</pre>
 *
 * @see BaseXPath
 *
 * @author <a href="mailto:[e-mail]">James Strachan</a>
 * @author <a href="mailto:[e-mail]">bob mcwhirter</a>
 *
 * @version $Revision: 1.10 $
 */
public class DOMXPath extends BaseXPath
{
    /**
     * 
     */
    private static final long serialVersionUID = 5551221776001439091L;

    /** Create a new <code>DOMXPath</code> from an XPath expression string.
     *
     *  @param xpathExpr the XPath expression
     *
     *  @throws JaxenException if there is a syntax error in the expression
     */
    public DOMXPath(String xpathExpr) throws JaxenException
    {
        super( xpathExpr, DocumentNavigator.getInstance() );
    }

}