| 1 | /* ============================================================= |
| 2 | * SmallSQL : a free Java DBMS library for the Java(tm) platform |
| 3 | * ============================================================= |
| 4 | * |
| 5 | * (C) Copyright 2004-2006, by Volker Berlin. |
| 6 | * |
| 7 | * Project Info: http://www.smallsql.de/ |
| 8 | * |
| 9 | * This library is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU Lesser General Public License as published by |
| 11 | * the Free Software Foundation; either version 2.1 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This library is distributed in the hope that it will be useful, but |
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 16 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| 17 | * License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Lesser General Public |
| 20 | * License along with this library; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| 22 | * USA. |
| 23 | * |
| 24 | * [Java is a trademark or registered trademark of Sun Microsystems, Inc. |
| 25 | * in the United States and other countries.] |
| 26 | * |
| 27 | * --------------- |
| 28 | * SmallSQLException.java |
| 29 | * --------------- |
| 30 | * Author: Volker Berlin |
| 31 | * |
| 32 | */ |
| 33 | package smallsql.database; |
| 34 | |
| 35 | import java.sql.*; |
| 36 | import java.io.*; |
| 37 | |
| 38 | /** |
| 39 | * @author Volker Berlin |
| 40 | * |
| 41 | */ |
| 42 | class SmallSQLException extends SQLException { |
| 43 | |
| 44 | Throwable throwable; |
| 45 | boolean isInit; |
| 46 | |
| 47 | /** |
| 48 | * |
| 49 | */ |
| 50 | public SmallSQLException(Throwable throwable) { |
| 51 | super("[SmallSQL]" + getMsg(throwable)); |
| 52 | this.throwable = throwable; |
| 53 | init(); |
| 54 | } |
| 55 | public SmallSQLException(String msg) { |
| 56 | super("[SmallSQL]" + msg); |
| 57 | init(); |
| 58 | } |
| 59 | |
| 60 | /* |
| 61 | public SS_SQLException(String arg0, String arg1) { |
| 62 | super(arg0, arg1); |
| 63 | init(); |
| 64 | } |
| 65 | */ |
| 66 | |
| 67 | private void init(){ |
| 68 | this.isInit = true; |
| 69 | PrintStream ps = DriverManager.getLogStream(); |
| 70 | if(ps != null) this.printStackTrace(ps); |
| 71 | } |
| 72 | |
| 73 | private static String getMsg(Throwable throwable) { |
| 74 | String msg = throwable.getMessage(); |
| 75 | if(msg == null || msg.length() < 20){ |
| 76 | String msg2 = throwable.getClass().getName(); |
| 77 | msg2 = msg2.substring(msg2.lastIndexOf('.')+1); |
| 78 | if(msg != null) |
| 79 | msg2 = msg2 + ':' + msg; |
| 80 | return msg2; |
| 81 | } |
| 82 | return throwable.getMessage(); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * @param arg0 |
| 87 | * @param arg1 |
| 88 | * @param arg2 |
| 89 | */ |
| 90 | public SmallSQLException(String arg0, String arg1, int arg2) { |
| 91 | super(arg0, arg1, arg2); |
| 92 | // TODO Auto-generated constructor stub |
| 93 | } |
| 94 | |
| 95 | public void printStackTrace(){ |
| 96 | if(!isInit) return; |
| 97 | if(throwable == null) |
| 98 | super.printStackTrace(); |
| 99 | else{ |
| 100 | System.err.println(toString()); |
| 101 | throwable.printStackTrace(); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | public void printStackTrace(PrintStream ps){ |
| 106 | if(!isInit) return; |
| 107 | if(throwable == null) |
| 108 | super.printStackTrace(ps); |
| 109 | else{ |
| 110 | ps.println(toString()); |
| 111 | throwable.printStackTrace(ps); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | public void printStackTrace(PrintWriter pw){ |
| 116 | if(!isInit) return; |
| 117 | if(throwable == null) |
| 118 | super.printStackTrace(pw); |
| 119 | else{ |
| 120 | pw.println(toString()); |
| 121 | throwable.printStackTrace(pw); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | } |