documentexception.java

Java的面向对象数据库系统的源代码

/*
 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
 * 
 * This software is open source. 
 * See the bottom of this file for the licence.
 * 
 * $Id: DocumentException.java,v 1.3 2002/05/20 08:14:11 jstrachan Exp $
 */

package org.dom4j;

import java.io.PrintStream;
import java.io.PrintWriter;

/** <p><code>DocumentException</code> is a nested Exception which may be thrown
  * during the processing of a DOM4J document.
  *
  * @author <a href="mailto:[e-mail]">James Strachan</a>
  * @version $Revision: 1.3 $
  */
public class DocumentException extends Exception {

    /** A wrapped <code>Throwable</code> */
    private Throwable nestedException;
    

    public DocumentException() {
        super("Error occurred in DOM4J application.");
    }

    public DocumentException(String message) {
        super(message);
    }
    
    public DocumentException(Throwable nestedException) {
        super(nestedException.getMessage());    
        this.nestedException = nestedException;
    }    

    public DocumentException(String message, Throwable nestedException) {
        super(message);    
        this.nestedException = nestedException;
    }    

    public Throwable getNestedException() {
        return nestedException;
    }
    
    public String getMessage() {
        if (nestedException != null) {
            return super.getMessage() + " Nested exception: " + nestedException.getMessage();
        } else {
            return super.getMessage();
        }
    }

    public void printStackTrace() {
        super.printStackTrace();
        if (nestedException != null) {
            System.err.print("Nested exception: ");
            nestedException.printStackTrace();
        }
    }

    public void printStackTrace(PrintStream out) {
        super.printStackTrace(out);
        if (nestedException != null) {
            out.println("Nested exception: ");
            nestedException.printStackTrace(out);
        }
    }

    public void printStackTrace(PrintWriter writer) {
        super.printStackTrace(writer);
        if (nestedException != null) {
            writer.println("Nested exception: ");
            nestedException.printStackTrace(writer);
        }
    }
}




/*
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided
 * that the following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright
 *    statements and notices.  Redistributions must also contain a
 *    copy of this document.
 *
 * 2. 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.
 *
 * 3. The name "DOM4J" must not be used to endorse or promote
 *    products derived from this Software without prior written
 *    permission of MetaStuff, Ltd.  For written permission,
 *    please contact [e-mail].
 *
 * 4. Products derived from this Software may not be called "DOM4J"
 *    nor may "DOM4J" appear in their names without prior written
 *    permission of MetaStuff, Ltd. DOM4J is a registered
 *    trademark of MetaStuff, Ltd.
 *
 * 5. Due credit should be given to the DOM4J Project
 *    (http://dom4j.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESSED 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
 * METASTUFF, LTD. OR ITS 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.
 *
 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * $Id: DocumentException.java,v 1.3 2002/05/20 08:14:11 jstrachan Exp $
 */