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1
23
24 package org.infoglue.cms.applications.common.actions;
25
26 import java.io.PrintWriter  ;
27 import java.io.StringWriter ;
28 import java.util.StringTokenizer ;
29
30
31
36 public final class Error
37 {
38 private Throwable throwable;
39 private Throwable cause;
40
41
44 public Error(Throwable throwable, Throwable cause)
45 {
46 this.throwable = throwable;
47 this.cause = cause;
48 }
49
50
51
52
55 public String getName() {
56 final String fullyQualifiedName = this.throwable.getClass().getName();
57 final int index = (fullyQualifiedName.lastIndexOf(".") == -1) ? 0 : fullyQualifiedName.lastIndexOf(".") + 1;
58 return fullyQualifiedName.substring(index);
59 }
60
61
64 public String getMessage() {
65 return this.throwable.getMessage();
66 }
67
68
71 public String getStackTrace() {
72 return getStackTrace(this.throwable);
73 }
74
75
78 public boolean hasCause() {
79 return this.cause != null;
80 }
81
82
85 public String getCauseMessage() {
86 return hasCause() ? this.cause.getMessage() : "";
87 }
88
89
92 public String getCauseStackTrace() {
93 return hasCause() ? getStackTrace(this.cause) : "";
94 }
95
96
97
98
103
106 private String getStackTrace(Throwable throwable) {
107 final StringBuffer sb = new StringBuffer ();
108 final StringTokenizer st = new StringTokenizer (stackTraceToString(throwable), "\n");
109
110 while(st.hasMoreTokens()) {
111 sb.append(st.nextToken() + "<br/>");
112 }
113 return sb.toString();
114 }
115
116
119 private String stackTraceToString(Throwable throwable) {
120 final StringWriter sw = new StringWriter ();
121 final PrintWriter pw = new PrintWriter (sw);
122
123 throwable.printStackTrace(pw);
124 return sw.getBuffer().toString();
125 }
126
127
128
129 } |
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Java API By Example, From Geeks To Geeks.