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1 package in.co.daffodil.db.general;
2
3 import java.sql.SQLException  ;
4 import com.daffodilwoods.database.resource.*;
5 import java.sql.DriverManager ;
6 import java.io.*;
7
8 public class DaffodilDBExceptionWrapper
9 extends SQLException {
10 public static final long serialVersionUID = -5113675351842916894L;
11 Exception exception;
12 static boolean appendToMessage = true;
13
14 public DaffodilDBExceptionWrapper(String reason, Exception exception) {
15 super(reason);
16 if (DriverManager.getLogWriter() != null) {
17 DriverManager.println("Chained exception : " + reason);
18 if (exception != null)
19 exception.printStackTrace(DriverManager.getLogWriter());
20 }
21 this.exception = exception;
22 }
23
24 public SQLException append(Exception E) {
25 exception = E;
26 return this;
27 }
28
29 public void printStackTrace(PrintStream s) {
30 super.printStackTrace(s);
31 s.println("Wrapped Exception");
32 if (exception != null)
33 exception.printStackTrace(s);
34 }
35
36 public void printStackTrace(PrintWriter s) {
37 super.printStackTrace(s);
38 s.println("Wrapped Exception");
39 if (exception != null)
40 exception.printStackTrace(s);
41 }
42
43 public String toString() {
44 return super.toString() + "Wrapped[" + this.exception + "]";
45 }
46
47 public String getMessage() {
48 String s = super.getMessage();
49 if (appendToMessage && this.exception != null)
50 s += "\t" + exceptionStackTraceString(this.exception);
51 return s;
52 }
53
54 public String getSQLState() {
55 String s = super.getSQLState();
56 if (s == null)
57 return "";
58 return s;
59 }
60
61 public static String exceptionStackTraceString(Exception e) {
62 ByteArrayOutputStream bos = new ByteArrayOutputStream();
63 PrintStream ps = new PrintStream(bos);
64 if (e != null)
65 e.printStackTrace(ps);
66 ps.flush();
67 String s = new String (bos.toByteArray());
68 return s;
69 }
70 }
71 |
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