|
1
5 package com.opensymphony.workflow;
6
7 import java.io.PrintStream  ;
8 import java.io.PrintWriter ;
9
10
11
16 public class WorkflowException extends Exception {
17
19 private Throwable rootCause;
20
21
23 public WorkflowException() {
24 }
25
26 public WorkflowException(String s) {
27 super(s);
28 }
29
30 public WorkflowException(String s, Throwable rootCause) {
31 super(s);
32 this.rootCause = rootCause;
33 }
34
35 public WorkflowException(Throwable rootCause) {
36 this.rootCause = rootCause;
37 }
38
39
41 public String getMessage() {
42 StringBuffer sb = new StringBuffer ();
43 String msg = super.getMessage();
44
45 if (msg != null) {
46 sb.append(msg);
47
48 if (rootCause != null) {
49 sb.append(": ");
50 }
51 }
52
53 if (rootCause != null) {
54 sb.append("root cause: " + ((rootCause.getMessage() == null) ? rootCause.toString() : rootCause.getMessage()));
55 }
56
57 return sb.toString();
58 }
59
60 public Throwable getRootCause() {
61 return rootCause;
62 }
63
64 public void printStackTrace() {
65 super.printStackTrace();
66
67 if (rootCause != null) {
68 synchronized (System.err) {
69 System.err.println("\nRoot cause:");
70 rootCause.printStackTrace();
71 }
72 }
73 }
74
75 public void printStackTrace(PrintStream s) {
76 super.printStackTrace(s);
77
78 if (rootCause != null) {
79 synchronized (s) {
80 s.println("\nRoot cause:");
81 rootCause.printStackTrace(s);
82 }
83 }
84 }
85
86 public void printStackTrace(PrintWriter s) {
87 super.printStackTrace(s);
88
89 if (rootCause != null) {
90 synchronized (s) {
91 s.println("\nRoot cause:");
92 rootCause.printStackTrace(s);
93 }
94 }
95 }
96 }
97 |
Popular Tags |
Java API By Example, From Geeks To Geeks.