xref: /illumos-gate/usr/src/lib/libdtrace_jni/java/src/org/opensolaris/os/dtrace/NativeException.java (revision 4ae67516a1d5dc4a5dbc761762bad5b596647388)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  *
26  * ident	"%Z%%M%	%I%	%E% SMI"
27  */
28 package org.opensolaris.os.dtrace;
29 
30 /**
31  * Wraps a java exception encountered in native code for the purpose of
32  * adding native source filename and line number, which are otherwise
33  * not included in the stack trace of the wrapped exception.
34  *
35  * @author Tom Erickson
36  */
37 class NativeException extends RuntimeException {
38     static final long serialVersionUID = 4129171856987233185L;
39 
40     /** @serial */
41     private String fileName;
42     /** @serial */
43     private int lineNumber;
44 
45     public
NativeException(String file, int line, Throwable cause)46     NativeException(String file, int line, Throwable cause)
47     {
48 	super(cause);
49 	fileName = file;
50 	lineNumber = line;
51     }
52 
53     public String
getMessage()54     getMessage()
55     {
56 	StringBuilder buf = new StringBuilder();
57 	buf.append(fileName);
58 	buf.append(" line ");
59 	buf.append(lineNumber);
60 	Throwable cause = getCause();
61 	if (cause != null) {
62 	    String message = cause.getMessage();
63 	    if (message != null) {
64 		buf.append(" ");
65 		buf.append(cause.getMessage());
66 	    }
67 	}
68 	return buf.toString();
69     }
70 }
71