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Java > Open Source Codes > net > sf > jasperreports > engine > JRRuntimeException


1 /*
2  * ============================================================================
3  * GNU Lesser General Public License
4  * ============================================================================
5  *
6  * JasperReports - Free Java report-generating library.
7  * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * JasperSoft Corporation
24  * 303 Second Street, Suite 450 North
25  * San Francisco, CA 94107
26  * http://www.jaspersoft.com
27  */
28 package net.sf.jasperreports.engine;
29
30 import java.io.PrintStream JavaDoc;
31 import java.io.PrintWriter JavaDoc;
32
33
34 /**
35  * @author Teodor Danciu (teodord@users.sourceforge.net)
36  * @version $Id: JRRuntimeException.java 1454 2006-11-04 09:06:05 +0200 (Sat, 04 Nov 2006) teodord $
37  */
38 public class JRRuntimeException extends RuntimeException JavaDoc
39 {
40
41     /**
42      *
43      */
44     private static boolean isJre14orLater = true;
45     
46     static
47     {
48         isJre14orLater = true;
49         try
50         {
51             Exception JavaDoc.class.getMethod("getCause", (Class JavaDoc[])null);
52         }
53         catch (NoSuchMethodException JavaDoc e)
54         {
55             isJre14orLater = false;
56         }
57     }
58
59     /**
60      *
61      */
62     private Throwable JavaDoc nestedThrowable = null;
63
64
65     /**
66      *
67      */
68     public JRRuntimeException(String JavaDoc message)
69     {
70         super(message);
71     }
72
73
74     /**
75      *
76      */
77     public JRRuntimeException(Throwable JavaDoc t)
78     {
79         this(t.toString(), t);
80     }
81
82
83     /**
84      *
85      */
86     public JRRuntimeException(String JavaDoc message, Throwable JavaDoc t)
87     {
88         super(message);
89         
90         nestedThrowable = t;
91     }
92
93
94     /**
95      *
96      */
97     public Throwable JavaDoc getCause()
98     {
99         return nestedThrowable;
100     }
101
102
103     /**
104      *
105      */
106     public void printStackTrace()
107     {
108         if (!isJre14orLater && nestedThrowable != null)
109         {
110             nestedThrowable.printStackTrace();
111             System.err.println("\nNested by:");
112         }
113
114         super.printStackTrace();
115     }
116     
117
118     /**
119      *
120      */
121     public void printStackTrace(PrintStream JavaDoc s)
122     {
123         if (!isJre14orLater && nestedThrowable != null)
124         {
125             nestedThrowable.printStackTrace(s);
126             s.println("\nNested by:");
127         }
128
129         super.printStackTrace(s);
130     }
131     
132
133     /**
134      *
135      */
136     public void printStackTrace(PrintWriter JavaDoc s)
137     {
138         if (!isJre14orLater && nestedThrowable != null)
139         {
140             nestedThrowable.printStackTrace(s);
141             s.println("\nNested by:");
142         }
143
144         super.printStackTrace(s);
145     }
146     
147     
148 }
149
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