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1
5 package org.exoplatform.faces.core.event;
6
7 import java.util.MissingResourceException  ;
8 import java.util.ResourceBundle ;
9
15 abstract public class ExceptionHandler {
16
17 public ExceptionHandler() {
18
19 }
20
21 abstract public boolean canHandleError(Throwable error) ;
22
23 abstract public void handle(ExoActionEvent action, Throwable error) ;
24
25 protected String getStackTrace(Throwable t, int numberOfLine) {
26 StackTraceElement [] elements = t.getStackTrace() ;
27 if(numberOfLine > elements.length) numberOfLine = elements.length ;
28 StringBuffer b = new StringBuffer () ;
29 b.append(t.getMessage()).append("\n") ;
30 for(int i = 0; i < numberOfLine; i++) {
31 b.append(elements[i].toString()).append("\n") ;
32 }
33 return b.toString() ;
34 }
35
36 protected String getResource(ResourceBundle res , String key) {
37 try {
38 return res.getString(key) ;
39 } catch (MissingResourceException ex) { }
40 return null;
41 }
42 } |
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