ExceptionConverter.java

/*
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (the "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the License.
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
 * provisions of LGPL are applicable instead of those above.  If you wish to
 * allow use of your version of this file only under the terms of the LGPL
 * License and not to allow others to use your version of this file under
 * the MPL, indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by the LGPL.
 * If you do not delete the provisions above, a recipient may use your version
 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MPL as stated above or under the terms of the GNU
 * Library General Public License as published by the Free Software Foundation;
 * either version 2 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
 * details.
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */

/*
 * The original version of this class was published in an article by professor Heinz Kabutz.
 * Read http://www.javaspecialists.co.za/archive/newsletter.do?issue=033&print=yes&locale=en_US
 * "This material from The Java(tm) Specialists' Newsletter by Maximum Solutions (South Africa).
 * Please contact Maximum Solutions  for more information."
 *
 * Copyright (C) 2001 Dr. Heinz M. Kabutz
 */

/**
 * The OpenPDF project has permission from the author to use this class under a LGPL/MPL license on 2018-08-06:
 *
 * Hi Andreas,
 *
 * you have my permission to use my code with your license.
 *
 * Regards
 *
 *
 * Heinz
 * --
 * Dr Heinz M. Kabutz (PhD CompSci)
 */

package com.lowagie.text;

/**
 * The ExceptionConverter changes a checked exception into an
 * unchecked exception.
 */
public class ExceptionConverter extends RuntimeException {
    private static final long serialVersionUID = 8657630363395849399L;
    /** we keep a handle to the wrapped exception */
    private Exception ex;
    /** prefix for the exception */
    private String prefix;

    /**
     * Construct a RuntimeException based on another Exception
     * @param ex the exception that has to be turned into a RuntimeException
     */
    public ExceptionConverter(Exception ex) {
        this.ex = ex;
        prefix = (ex instanceof RuntimeException) ? "" : "ExceptionConverter: ";
    }

    /**
     * Convert an Exception into an unchecked exception. Return the exception if it is
     * already an unchecked exception or return an ExceptionConverter wrapper otherwise
     *
     * @param ex the exception to convert
     * @return an unchecked exception 
     * @since 2.1.6
     */
    public static final RuntimeException convertException(Exception ex) {
        if (ex instanceof RuntimeException) {
            return (RuntimeException) ex;
        }
        return new ExceptionConverter(ex);
    }

    /**
     * and allow the user of ExceptionConverter to get a handle to it. 
     * @return the original exception
     */
    public Exception getException() {
        return ex;
    }

    /**
     * We print the message of the checked exception 
     * @return message of the original exception
     */
    public String getMessage() {
        return ex.getMessage();
    }

    /**
     * and make sure we also produce a localized version
     * @return localized version of the message
     */
    public String getLocalizedMessage() {
        return ex.getLocalizedMessage();
    }

    /**
     * The toString() is changed to be prefixed with ExceptionConverter 
     * @return String version of the exception
     */
    public String toString() {
        return prefix + ex;
    }

    /** we have to override this as well */
    public void printStackTrace() {
        printStackTrace(System.err);
    }

    /**
     * here we prefix, with s.print(), not s.println(), the stack
     * trace with "ExceptionConverter:" 
     * @param s
     */
    public void printStackTrace(java.io.PrintStream s) {
        synchronized (s) {
            s.print(prefix);
            ex.printStackTrace(s);
        }
    }

    /**
     * Again, we prefix the stack trace with "ExceptionConverter:" 
     * @param s
     */
    public void printStackTrace(java.io.PrintWriter s) {
        synchronized (s) {
            s.print(prefix);
            ex.printStackTrace(s);
        }
    }

    /**
     * requests to fill in the stack trace we will have to ignore.
     * We can't throw an exception here, because this method
     * is called by the constructor of Throwable 
     * @return a Throwable
     */
    public Throwable fillInStackTrace() {
        return this;
    }
}












Active mutators

INCREMENTS_MUTATOR
VOID_METHOD_CALL_MUTATOR
RETURN_VALS_MUTATOR
MATH_MUTATOR
NEGATE_CONDITIONALS_MUTATOR
INVERT_NEGS_MUTATOR
CONDITIONALS_BOUNDARY_MUTATOR

Tests examined

Report generated by PIT 1.4.2

1		/*
2		* The contents of this file are subject to the Mozilla Public License Version 1.1
3		* (the "License"); you may not use this file except in compliance with the License.
4		* You may obtain a copy of the License at http://www.mozilla.org/MPL/
5		*
6		* Software distributed under the License is distributed on an "AS IS" basis,
7		* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
8		* for the specific language governing rights and limitations under the License.
9		*
10		* The Original Code is 'iText, a free JAVA-PDF library'.
11		*
12		* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
13		* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
14		* All Rights Reserved.
15		* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
16		* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
17		*
18		* Contributor(s): all the names of the contributors are added in the source code
19		* where applicable.
20		*
21		* Alternatively, the contents of this file may be used under the terms of the
22		* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
23		* provisions of LGPL are applicable instead of those above. If you wish to
24		* allow use of your version of this file only under the terms of the LGPL
25		* License and not to allow others to use your version of this file under
26		* the MPL, indicate your decision by deleting the provisions above and
27		* replace them with the notice and other provisions required by the LGPL.
28		* If you do not delete the provisions above, a recipient may use your version
29		* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
30		*
31		* This library is free software; you can redistribute it and/or modify it
32		* under the terms of the MPL as stated above or under the terms of the GNU
33		* Library General Public License as published by the Free Software Foundation;
34		* either version 2 of the License, or any later version.
35		*
36		* This library is distributed in the hope that it will be useful, but WITHOUT
37		* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
38		* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
39		* details.
40		*
41		* If you didn't download this code from the following link, you should check if
42		* you aren't using an obsolete version:
43		* http://www.lowagie.com/iText/
44		*/
45
46		/*
47		* The original version of this class was published in an article by professor Heinz Kabutz.
48		* Read http://www.javaspecialists.co.za/archive/newsletter.do?issue=033&print=yes&locale=en_US
49		* "This material from The Java(tm) Specialists' Newsletter by Maximum Solutions (South Africa).
50		* Please contact Maximum Solutions for more information."
51		*
52		* Copyright (C) 2001 Dr. Heinz M. Kabutz
53		*/
54
55		/**
56		* The OpenPDF project has permission from the author to use this class under a LGPL/MPL license on 2018-08-06:
57		*
58		* Hi Andreas,
59		*
60		* you have my permission to use my code with your license.
61		*
62		* Regards
63		*
64		*
65		* Heinz
66		* --
67		* Dr Heinz M. Kabutz (PhD CompSci)
68		*/
69
70		package com.lowagie.text;
71
72		/**
73		* The ExceptionConverter changes a checked exception into an
74		* unchecked exception.
75		*/
76		public class ExceptionConverter extends RuntimeException {
77		private static final long serialVersionUID = 8657630363395849399L;
78		/** we keep a handle to the wrapped exception */
79		private Exception ex;
80		/** prefix for the exception */
81		private String prefix;
82
83		/**
84		* Construct a RuntimeException based on another Exception
85		* @param ex the exception that has to be turned into a RuntimeException
86		*/
87		public ExceptionConverter(Exception ex) {
88		this.ex = ex;
89	1 1. : negated conditional → NO_COVERAGE	prefix = (ex instanceof RuntimeException) ? "" : "ExceptionConverter: ";
90		}
91
92		/**
93		* Convert an Exception into an unchecked exception. Return the exception if it is
94		* already an unchecked exception or return an ExceptionConverter wrapper otherwise
95		*
96		* @param ex the exception to convert
97		* @return an unchecked exception
98		* @since 2.1.6
99		*/
100		public static final RuntimeException convertException(Exception ex) {
101	1 1. convertException : negated conditional → NO_COVERAGE	if (ex instanceof RuntimeException) {
102	1 1. convertException : mutated return of Object value for com/lowagie/text/ExceptionConverter::convertException to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return (RuntimeException) ex;
103		}
104	1 1. convertException : mutated return of Object value for com/lowagie/text/ExceptionConverter::convertException to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return new ExceptionConverter(ex);
105		}
106
107		/**
108		* and allow the user of ExceptionConverter to get a handle to it.
109		* @return the original exception
110		*/
111		public Exception getException() {
112		return ex;
113		}
114
115		/**
116		* We print the message of the checked exception
117		* @return message of the original exception
118		*/
119		public String getMessage() {
120		return ex.getMessage();
121		}
122
123		/**
124		* and make sure we also produce a localized version
125		* @return localized version of the message
126		*/
127		public String getLocalizedMessage() {
128		return ex.getLocalizedMessage();
129		}
130
131		/**
132		* The toString() is changed to be prefixed with ExceptionConverter
133		* @return String version of the exception
134		*/
135		public String toString() {
136		return prefix + ex;
137		}
138
139		/** we have to override this as well */
140		public void printStackTrace() {
141	1 1. printStackTrace : removed call to com/lowagie/text/ExceptionConverter::printStackTrace → NO_COVERAGE	printStackTrace(System.err);
142		}
143
144		/**
145		* here we prefix, with s.print(), not s.println(), the stack
146		* trace with "ExceptionConverter:"
147		* @param s
148		*/
149		public void printStackTrace(java.io.PrintStream s) {
150		synchronized (s) {
151	1 1. printStackTrace : removed call to java/io/PrintStream::print → NO_COVERAGE	s.print(prefix);
152	1 1. printStackTrace : removed call to java/lang/Exception::printStackTrace → NO_COVERAGE	ex.printStackTrace(s);
153		}
154		}
155
156		/**
157		* Again, we prefix the stack trace with "ExceptionConverter:"
158		* @param s
159		*/
160		public void printStackTrace(java.io.PrintWriter s) {
161		synchronized (s) {
162	1 1. printStackTrace : removed call to java/io/PrintWriter::print → NO_COVERAGE	s.print(prefix);
163	1 1. printStackTrace : removed call to java/lang/Exception::printStackTrace → NO_COVERAGE	ex.printStackTrace(s);
164		}
165		}
166
167		/**
168		* requests to fill in the stack trace we will have to ignore.
169		* We can't throw an exception here, because this method
170		* is called by the constructor of Throwable
171		* @return a Throwable
172		*/
173		public Throwable fillInStackTrace() {
174	1 1. fillInStackTrace : mutated return of Object value for com/lowagie/text/ExceptionConverter::fillInStackTrace to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return this;
175		}
176		}
		Mutations
89		1.1 Location : Killed by : none negated conditional → NO_COVERAGE
101		1.1 Location : convertException Killed by : none negated conditional → NO_COVERAGE
102		1.1 Location : convertException Killed by : none mutated return of Object value for com/lowagie/text/ExceptionConverter::convertException to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
104		1.1 Location : convertException Killed by : none mutated return of Object value for com/lowagie/text/ExceptionConverter::convertException to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
141		1.1 Location : printStackTrace Killed by : none removed call to com/lowagie/text/ExceptionConverter::printStackTrace → NO_COVERAGE
151		1.1 Location : printStackTrace Killed by : none removed call to java/io/PrintStream::print → NO_COVERAGE
152		1.1 Location : printStackTrace Killed by : none removed call to java/lang/Exception::printStackTrace → NO_COVERAGE
162		1.1 Location : printStackTrace Killed by : none removed call to java/io/PrintWriter::print → NO_COVERAGE
163		1.1 Location : printStackTrace Killed by : none removed call to java/lang/Exception::printStackTrace → NO_COVERAGE
174		1.1 Location : fillInStackTrace Killed by : none mutated return of Object value for com/lowagie/text/ExceptionConverter::fillInStackTrace to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE

ExceptionConverter.java

Mutations

Active mutators

Tests examined