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1
52 package com.go.trove.util;
53
54 import java.io.PrintStream  ;
55 import java.io.PrintWriter ;
56
57
63 public class FilterException extends Exception {
64
65 private Throwable mRootCause;
66
67 public FilterException() {
68 super();
69 mRootCause = null;
70 }
71
72 public FilterException(String message) {
73 super(message);
74 mRootCause = null;
75 }
76
77 protected FilterException(Throwable rootCause) {
78 super(rootCause.getMessage());
79 mRootCause = rootCause;
80 }
81
82 protected FilterException(String message, Throwable rootCause) {
83 super(message);
84 mRootCause = rootCause;
85 }
86
87 public String getMessage() {
88 String result;
89 if (mRootCause != null) {
90 String msg = super.getMessage();
91 if (msg != null) {
92 result = super.getMessage() + ": " + mRootCause.getMessage();
93 } else {
94 result = mRootCause.getMessage();
95 }
96 } else {
97 result = super.getMessage();
98 }
99 return result;
100 }
101
102 public void printStackTrace() {
103 if (mRootCause != null) {
104 System.err.println("Root cause: ");
105 mRootCause.printStackTrace();
106 } else {
107 super.printStackTrace();
108 }
109 }
110
111 public void printStackTrace(PrintStream stream) {
112 if (mRootCause != null) {
113 stream.print("Root cause: ");
114 mRootCause.printStackTrace(stream);
115 } else {
116 super.printStackTrace(stream);
117 }
118 }
119
120 public void printStackTrace(PrintWriter writer) {
121 if (mRootCause != null) {
122 writer.print("Root cause: ");
123 mRootCause.printStackTrace(writer);
124 } else {
125 super.printStackTrace(writer);
126 }
127 }
128
129 public Throwable getRootCause() {
130 return mRootCause;
131 }
132 }
133
134 |
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