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1
5 package org.exoplatform.commons.utils;
6
7
13 public class ExceptionUtil {
14 private static String  LINE_SEPARATOR = System.getProperty("line.separator") ;
15
16 static public String getExoStackTrace(Throwable t) {
17 StackTraceElement [] elements = t.getStackTrace() ;
18 StringBuffer b = new StringBuffer () ;
19 b.append(t.getMessage()).append(LINE_SEPARATOR) ;
20 boolean appendDot = true ;
21 for(int i = 0; i < elements.length ; i++) {
22 if(i < 10) {
23 b.append(" at ").append(elements[i].toString()).append(LINE_SEPARATOR) ;
24 } else {
25 if(elements[i].getClassName().startsWith("exo.")) {
26 b.append(" at ").append(elements[i].toString()).append(LINE_SEPARATOR) ;
27 appendDot = true ;
28 } else {
29 if(appendDot) {
30 b.append(" [...................................]").append(LINE_SEPARATOR) ;
31 appendDot = false ;
32 }
33 }
34 }
35 }
36 return b.toString() ;
37 }
38
39 static public String getStackTrace(Throwable t, int numberOfLine) {
40 StackTraceElement [] elements = t.getStackTrace() ;
41 if(numberOfLine > elements.length) numberOfLine = elements.length ;
42 StringBuffer b = new StringBuffer () ;
43 b.append(t.getMessage()).append(LINE_SEPARATOR) ;
44 for(int i = 0; i < numberOfLine; i++) {
45 b.append(elements[i].toString()).append(LINE_SEPARATOR) ;
46 }
47 return b.toString() ;
48 }
49
50 static public Throwable getRootCause(Throwable t) {
51 Throwable root = t ;
52 while(root.getCause() != null) {
53 root = root.getCause() ;
54 }
55 return root ;
56 }
57 }
58 |
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Java API By Example, From Geeks To Geeks.