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* TouchGraph LLC. Apache-Style Software License
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* Copyright (c) 2001-2002 Alexander Shapiro. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by
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* TouchGraph LLC (http://www.touchgraph.com/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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* 4. The names "TouchGraph" or "TouchGraph LLC" must not be used to endorse
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* or promote products derived from this software without prior written
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* permission. For written permission, please contact
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* 5. Products derived from this software may not be called "TouchGraph",
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* nor may "TouchGraph" appear in their name, without prior written
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* permission of alex@touchgraph.com.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL TOUCHGRAPH OR ITS CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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package com.touchgraph.graphlayout;
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/** <p>An class for exceptions thrown during TouchGraph processing. </p>
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* @author Alexander Shapiro
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* @author Murray Altheim
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* @version 1.22-jre1.1 $Id: TGException.java,v 1.1 2002/09/19 15:58:08 ldornbusch Exp $
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public class TGException extends Exception {
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/** An exception occurring when a Node already exists. */
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public final static int NODE_EXISTS = 1;
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/** An exception occurring when a Node doesn't exist. */
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public final static int NODE_DOESNT_EXIST = 2;
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/** An exception occurring when a Node is missing its required ID. */
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public final static int NODE_NO_ID = 3;
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/** An int containing an exception type identifier (ID). */
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protected int id = -1;
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/** The embedded Exception if tunnelling.
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* @serial The embedded exception if tunnelling, or null.
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public Exception exception = null;
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/** Constructor for TGException with Exception ID.
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* @param id The unique message identifier.
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public TGException( int id )
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/** Constructor for TGException with Exception ID and error message String.
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* @param id The unique message identifier.
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* @param message The Exception message.
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public TGException( int id, String message )
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/** Constructor for TGException with an error message String.
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* @param message The Exception message.
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public TGException( String message )
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/** Constructor for TGException tunnelling the original Exception.
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* @param exception The original Exception.
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public TGException( Exception exception )
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this.exception = exception;
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/** If the message was expressed as a MessageId, return the original
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* @return the exception identifier.
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} // end com.touchgraph.graphlayout.TGException