/* $Id: XmiReferenceRuntimeException.java 18978 2011-01-24 18:25:30Z linus $
 *******************************************************************************
 * Copyright (c) 2009 Contributors - see below
 * 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:
 *    euluis
 *******************************************************************************
 *
 * Some portions of this file was previously release using the BSD License:
 */

// Copyright (c) 2006-2009 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies. This software program and
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// California. The software program and documentation are supplied "AS
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package org.argouml.model;


/**
 * Exception for external reference problems with XMI files.  This is a
 * {@link RuntimeException}, so that it can be thrown from specific model
 * implementation internals.
 * 
 * @author Tom Morris
 */
public class XmiReferenceRuntimeException extends RuntimeException {
    
    private String reference;
    
    /**
     * Construct an XmiReferenceRuntimeException with the given message.
     * 
     * @param message the message
     */
    public XmiReferenceRuntimeException(String message) {
        super(message);
    }

    /**
     * Construct an XmiReferenceRuntimeException for the given reference
     * 
     * @param href the reference that caused the error
     * @param cause the nested exception if available
     */
    public XmiReferenceRuntimeException(String href, Throwable cause) {
        super(href, cause);
        reference = href;
    }

    /**
     * @return the external reference (href) that caused the exception
     */
    public String getReference() {
        return reference;
    }

    /**
     * Construct an exception with a causing exception.
     *
     * @param c the cause of the exception
     */
    public XmiReferenceRuntimeException(Throwable c) {
        super(c);
    }

}