001    /*--------------------------------------------------------------------------+
002    $Id: GraphvizException.java 26283 2010-02-18 11:18:57Z juergens $
003    |                                                                          |
004    | Copyright 2005-2010 Technische Universitaet Muenchen                     |
005    |                                                                          |
006    | Licensed under the Apache License, Version 2.0 (the "License");          |
007    | you may not use this file except in compliance with the License.         |
008    | You may obtain a copy of the License at                                  |
009    |                                                                          |
010    |    http://www.apache.org/licenses/LICENSE-2.0                            |
011    |                                                                          |
012    | Unless required by applicable law or agreed to in writing, software      |
013    | distributed under the License is distributed on an "AS IS" BASIS,        |
014    | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
015    | See the License for the specific language governing permissions and      |
016    | limitations under the License.                                           |
017    +--------------------------------------------------------------------------*/
018    package edu.tum.cs.commons.graph;
019    
020    import edu.tum.cs.commons.string.StringUtils;
021    
022    /**
023     * Exception indicating problems while invoking graphviz programs.
024     * 
025     * @author Florian Deissenboeck
026     * @author $Author: juergens $
027     * @version $Rev: 26283 $
028     * @levd.rating GREEN Hash: A3EB3AB0EE17233C63D873E6509B1118
029     */
030    @SuppressWarnings("serial")
031    public class GraphvizException extends Exception {
032    
033            /** DOT error output. */
034            private final String output;
035    
036            /**
037             * Create new exception. This is package visible as only classes from this
038             * package may create the excpetion.
039             * 
040             * @param output
041             *            the error output generated by DOT. Its first line is used a
042             *            exception message.
043             */
044            /* package */GraphvizException(String output) {
045                    super(StringUtils.getFirstLine(output));
046                    this.output = output;
047            }
048    
049            /** Get DOT's original output. */
050            public String getOutput() {
051                    return output;
052            }
053    }