xpathexception.java

java1.6众多例子参考

/*
 * Copyright (c) 2002 World Wide Web Consortium,
 * (Massachusetts Institute of Technology, Institut National de
 * Recherche en Informatique et en Automatique, Keio University). All
 * Rights Reserved. This program is distributed under the W3C's Software
 * Intellectual Property License. This program 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 W3C License http://www.w3.org/Consortium/Legal/ for more details.
 */

package org.w3c.dom.xpath;

/**
 * A new exception has been created for exceptions specific to these XPath 
 * interfaces.
 * <p>See also the <a href='http://www.w3.org/2002/08/WD-DOM-Level-3-XPath-20020820'>Document Object Model (DOM) Level 3 XPath Specification</a>.
 */
public class XPathException extends RuntimeException {
    public XPathException(short code, String message) {
       super(message);
       this.code = code;
    }
    public short   code;
    // XPathExceptionCode
    /**
     * If the expression has a syntax error or otherwise is not a legal 
     * expression according to the rules of the specific 
     * <code>XPathEvaluator</code> or contains specialized extension 
     * functions or variables not supported by this implementation.
     */
    public static final short INVALID_EXPRESSION_ERR    = 1;
    /**
     * If the expression cannot be converted to return the specified type.
     */
    public static final short TYPE_ERR                  = 2;

}