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Java > Open Source Codes > com > sun > org > apache > bcel > internal > verifier > exc > AssertionViolatedException


1 package com.sun.org.apache.bcel.internal.verifier.exc;
2
3 /* ====================================================================
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26  * if and wherever such third-party acknowledgments normally appear.
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54  * <http://www.apache.org/>.
55  */

56
57 /**
58  * Instances of this class should never be thrown. When such an instance is thrown,
59  * this is due to an INTERNAL ERROR of BCEL's class file verifier &quot;JustIce&quot;.
60  *
61  * @version $Id: AssertionViolatedException.java,v 1.2 2003/10/07 07:38:12 rameshm Exp $
62  * @author <A HREF="http://www.inf.fu-berlin.de/~ehaase"/>Enver Haase</A>
63  */

64 public final class AssertionViolatedException extends RuntimeException JavaDoc{
65     /** The error message. */
66     private String JavaDoc detailMessage;
67     /** Constructs a new AssertionViolatedException with null as its error message string. */
68     public AssertionViolatedException(){
69         super();
70     }
71     /**
72      * Constructs a new AssertionViolatedException with the specified error message preceded
73      * by &quot;INTERNAL ERROR: &quot;.
74      */

75     public AssertionViolatedException(String JavaDoc message){
76         super(message = "INTERNAL ERROR: "+message); // Thanks to Java, the constructor call here must be first.
77
detailMessage=message;
78     }
79     /** Extends the error message with a string before ("pre") and after ("post") the
80         'old' error message. All of these three strings are allowed to be null, and null
81         is always replaced by the empty string (""). In particular, after invoking this
82         method, the error message of this object can no longer be null.
83     */

84     public void extendMessage(String JavaDoc pre, String JavaDoc post){
85         if (pre == null) pre="";
86         if (detailMessage == null) detailMessage="";
87         if (post == null) post="";
88         detailMessage = pre+detailMessage+post;
89     }
90     /**
91      * Returns the error message string of this AssertionViolatedException object.
92      * @return the error message string of this AssertionViolatedException.
93      */

94     public String JavaDoc getMessage(){
95         return detailMessage;
96     }
97
98     /**
99      * DO NOT USE. It's for experimental testing during development only.
100      */

101     public static void _main(String JavaDoc[] args){
102         AssertionViolatedException ave = new AssertionViolatedException("Oops!");
103         ave.extendMessage("\nFOUND:\n\t","\nExiting!!\n");
104         throw ave;
105     }
106
107     /**
108      * Returns the backtrace of this AssertionViolatedException as a String.
109      * @return The backtrace of this AssertionViolatedException as a String.
110      */

111     public String JavaDoc getStackTraceAsStr(){
112         return Utility.getStackTrace(this);
113     }
114
115 }
116
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