Source Code Cross Referenced for DDTException.java in  » Testing » DDTUnit » junitx » ddtunit » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » DDTUnit » junitx.ddtunit 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /********************************************************************************
002:         * DDTUnit, a Datadriven Approach to Unit- and Moduletesting
003:         * Copyright (c) 2004, Joerg and Kai Gellien
004:         * All rights reserved.
005:         * 
006:         * The Software is provided under the terms of the Common Public License 1.0
007:         * as provided with the distribution of DDTUnit in the file cpl-v10.html.
008:         * Redistribution and use in source and binary forms, with or without 
009:         * modification, are permitted provided that the following conditions
010:         * are met:
011:         * 
012:         *     + Redistributions of source code must retain the above copyright 
013:         *       notice, this list of conditions and the following disclaimer. 
014:         *       
015:         *     + Redistributions in binary form must reproduce the above 
016:         *       copyright notice, this list of conditions and the following 
017:         *       disclaimer in the documentation and/or other materials provided 
018:         *       with the distribution. 
019:         *       
020:         *     + Neither the name of the authors or DDTUnit, nor the 
021:         *       names of its contributors may be used to endorse or promote 
022:         *       products derived from this software without specific prior 
023:         *       written permission. 
024:         * 
025:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
026:         * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
027:         * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
028:         * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR 
029:         * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
030:         * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
031:         * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
032:         * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
033:         * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
034:         * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
035:         * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
036:         ********************************************************************************/package junitx.ddtunit;
037:
038:        /**
039:         * Base exception of ddtunit package.
040:         * 
041:         * @author jg
042:         */
043:        public class DDTException extends RuntimeException {
044:            private Throwable cause;
045:
046:            private final static String LF = System
047:                    .getProperty("line.separator");
048:
049:            /**
050:             * Standard exception class for any ddtunit specific problems
051:             *  
052:             */
053:            public DDTException() {
054:                super ();
055:            }
056:
057:            /**
058:             * Standard exception class for any ddtunit specific problems
059:             * 
060:             * @param message to display in exception
061:             */
062:            public DDTException(String message) {
063:                super (message);
064:            }
065:
066:            /**
067:             * Standard exception class for any ddtunit specific problems
068:             * 
069:             * @param aCause of actuall exception
070:             */
071:            public DDTException(Throwable aCause) {
072:                super (aCause);
073:                this .cause = aCause;
074:            }
075:
076:            /**
077:             * Standard exception class for any ddtunit specific problems
078:             * 
079:             * @param message to display in exception
080:             * @param aCause of actuall exception
081:             */
082:            public DDTException(String message, Throwable aCause) {
083:                super (message, aCause);
084:                this .cause = aCause;
085:            }
086:
087:            /**
088:             * get cause exception
089:             * 
090:             * @see java.lang.Throwable#getCause()
091:             * @return cause of exception or null if not exists
092:             */
093:            public Throwable getCause() {
094:                return this .cause;
095:            }
096:
097:            /**
098:             * Create exception with compact trace hirachie information summariesed in
099:             * exception message.
100:             * 
101:             * @param message provided as prefix of exception
102:             * @param exception to start information exception
103:             * @return DDTException with created message
104:             */
105:            public static DDTException create(StringBuffer message,
106:                    Throwable exception) {
107:                StringBuffer msg = new StringBuffer();
108:                DDTException ddtException = null;
109:                msg.append(message);
110:                if (exception != null) {
111:                    msg.append(LF).append("Caused by:").append(
112:                            exception.getClass().getName()).append(" - ")
113:                            .append(exception.getMessage());
114:                }
115:                msg.append(getCauseMessage(exception));
116:                ddtException = new DDTException(msg.toString(), exception);
117:                return ddtException;
118:            }
119:
120:            private static String getCauseMessage(Throwable exception) {
121:                StringBuffer msg = new StringBuffer();
122:                if (exception != null) {
123:                    Throwable cause = exception.getCause();
124:                    if (cause != null && exception != cause) {
125:                        msg.append(LF).append("Caused by (").append(
126:                                cause.getClass().getName()).append(") ");
127:                        String causeMessage = cause.getMessage();
128:                        if (causeMessage == null
129:                                || causeMessage.compareTo("") == 0) {
130:                            msg.append("<No cause message>");
131:                        } else {
132:                            msg.append(cause.getMessage());
133:                        }
134:                        msg.append(getCauseMessage(cause));
135:                    }
136:                }
137:                return msg.toString();
138:            }
139:        }
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