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1
50
51 package org.openlaszlo.iv.flash.util;
52
53 import java.util.*;
54 import java.io.*;
55
56
76 public class IVException extends Exception  {
77
78 private String message;
79 private Throwable cause;
80 private String key;
81 private Object [] parms;
82 private ResourceBundle bundle;
83
84 public IVException() {
85 }
86
87 public IVException( String key ) {
88 this.key = key;
89 }
90
91 public IVException( ResourceBundle bundle, String key ) {
92 this.key = key;
93 this.bundle = bundle;
94 }
95
96 public IVException( String key, Object [] parms ) {
97 this.key = key;
98 this.parms = parms;
99 }
100
101 public IVException( ResourceBundle bundle, String key, Object [] parms ) {
102 this.key = key;
103 this.parms = parms;
104 this.bundle = bundle;
105 }
106
107 public IVException( String key, Throwable cause ) {
108 this.key = key;
109 this.cause = cause;
110 }
111
112 public IVException( ResourceBundle bundle, String key, Throwable cause ) {
113 this.key = key;
114 this.cause = cause;
115 this.bundle = bundle;
116 }
117
118 public IVException( String key, Object [] parms, Throwable cause ) {
119 this.key = key;
120 this.parms = parms;
121 this.cause = cause;
122 }
123
124 public IVException( ResourceBundle bundle, String key, Object [] parms, Throwable cause ) {
125 this.key = key;
126 this.parms = parms;
127 this.cause = cause;
128 this.bundle = bundle;
129 }
130
131 public IVException( Throwable cause ) {
132 this.cause = cause;
133 }
134
135 public Throwable getCause() {
136 return cause;
137 }
138
139 public String getMessageKey() {
140 return key;
141 }
142
143 public String getMessage() {
144 if( message == null ) {
145 String ourMsg = bundle==null? Log.getMessage(key, parms): Log.getMessage(bundle, key, parms);
146 StringBuffer msg = new StringBuffer ();
147 if (ourMsg != null) {
148 msg.append(ourMsg);
149 }
150 if (getCause() != null) {
151 String causeMsg = getCause().getMessage();
152 if (causeMsg != null) {
153 if (ourMsg != null) {
154 msg.append("\n\t-> ");
155 }
156 msg.append(causeMsg);
157 }
158 }
159 message = msg.toString();
160 }
161 return message;
162 }
163
164
169 public void printStackTrace(PrintStream s) {
170 if( Util.javaVersion >= 1.4 ) super.printStackTrace(s);
171 else {
172 synchronized (s) {
173 s.println(this);
174 IVVector trace = getStackTrace(this);
175 for (int i=0; i < trace.size(); i++)
176 s.println(trace.elementAt(i));
177
178 Throwable ourCause = getCause();
179 if (ourCause != null)
180 printStackTraceAsCause(ourCause, s, trace);
181 }
182 }
183 }
184
185
188 private static void printStackTraceAsCause(Throwable t, PrintStream s, IVVector causedTrace) {
189
190 IVVector trace = getStackTrace(t);
192 int m = trace.size()-1, n = causedTrace.size()-1;
193 while (m >= 0 && n >=0 && trace.elementAt(m).equals(causedTrace.elementAt(n)) ) {
194 m--; n--;
195 }
196 int framesInCommon = trace.size() - 1 - m;
197
198 s.println("caused by: " + t);
199 for (int i=0; i <= m; i++)
200 s.println(trace.elementAt(i));
201 if (framesInCommon != 0)
202 s.println("\t... " + framesInCommon + " more");
203
204 if( t instanceof IVException ) {
206 Throwable ourCause = ((IVException)t).getCause();
207 if (ourCause != null)
208 printStackTraceAsCause(ourCause, s, trace);
209 }
210 }
211
212
219 public void printStackTrace(PrintWriter s) {
220 if( Util.javaVersion >= 1.4 ) super.printStackTrace(s);
221 else {
222 synchronized (s) {
223 s.println(this);
224 IVVector trace = getStackTrace(this);
225 for (int i=0; i < trace.size(); i++)
226 s.println(trace.elementAt(i));
227
228 Throwable ourCause = getCause();
229 if (ourCause != null)
230 printStackTraceAsCause(ourCause, s, trace);
231 }
232 }
233 }
234
235
238 private static void printStackTraceAsCause(Throwable t, PrintWriter s, IVVector causedTrace) {
239
240 IVVector trace = getStackTrace(t);
242 int m = trace.size()-1, n = causedTrace.size()-1;
243 while (m >= 0 && n >=0 && trace.elementAt(m).equals(causedTrace.elementAt(n)) ) {
244 m--; n--;
245 }
246 int framesInCommon = trace.size() - 1 - m;
247
248 s.println("caused by: " + t);
249 for (int i=0; i <= m; i++)
250 s.println(trace.elementAt(i));
251 if (framesInCommon != 0)
252 s.println("\t... " + framesInCommon + " more");
253
254 if( t instanceof IVException ) {
256 Throwable ourCause = ((IVException)t).getCause();
257 if (ourCause != null)
258 printStackTraceAsCause(ourCause, s, trace);
259 }
260 }
261
262 private void super_printStackTrace( PrintWriter pw ) {
263 super.printStackTrace(pw);
264 }
265
266 private static IVVector getStackTrace( Throwable t ) {
267 StringWriter sw = new StringWriter();
268 PrintWriter pw = new PrintWriter(sw, true);
269
270 if( t instanceof IVException ) {
271 ((IVException)t).super_printStackTrace(pw);
272 } else {
273 t.printStackTrace(pw);
274 }
275
276 StringTokenizer st = new StringTokenizer(sw.getBuffer().toString(), Util.lineSeparator);
277 IVVector v = new IVVector(20);
278 while (st.hasMoreTokens()) {
279 String s = st.nextToken();
280 if( s.startsWith("\tat") )
281 v.addElement(s);
282 }
283 return v;
284 }
285
286 }
287 |
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