001/* SQLException.java -- General SQL exception 002 Copyright (C) 1999, 2000 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package java.sql; 040 041/** 042 * This exception is thrown when a database error occurs. 043 * 044 * @author Aaron M. Renn (arenn@urbanophile.com) 045 */ 046public class SQLException extends Exception 047{ 048 static final long serialVersionUID = 2135244094396331484L; 049 050 /** 051 * This is the next exception in the chain 052 */ 053 private SQLException next; 054 055 /** 056 * This is the state of the SQL statement at the time of the error. 057 */ 058 private String SQLState; 059 060 /** 061 * The vendor error code for this error 062 */ 063 private int vendorCode; 064 065 /** 066 * This method initializes a nwe instance of <code>SQLException</code> 067 * with the specified descriptive error message, SQL state string, and 068 * vendor code. 069 * 070 * @param message A string describing the nature of the error. 071 * @param SQLState A string containing the SQL state of the error. 072 * @param vendorCode The vendor error code associated with this error. 073 */ 074 public SQLException(String message, String SQLState, int vendorCode) 075 { 076 super(message); 077 this.SQLState = SQLState; 078 this.vendorCode = vendorCode; 079 } 080 081 /** 082 * This method initializes a new instance of <code>SQLException</code> 083 * with the specified descriptive error message and SQL state string. 084 * The vendor error code of this instance will be 0. 085 * 086 * @param message A string describing the nature of the error. 087 * @param SQLState A string containing the SQL state of the error. 088 */ 089 public SQLException(String message, String SQLState) 090 { 091 this(message, SQLState, 0); 092 } 093 094 /** 095 * This method initializes a new instance of <code>SQLException</code> 096 * with the specified descriptive error message. The SQL state of this 097 * instance will be <code>null</code> and the vendor error code will be 0. 098 * 099 * @param message A string describing the nature of the error. 100 */ 101 public SQLException(String message) 102 { 103 this(message, null, 0); 104 } 105 106 /** 107 * This method initializes a new instance of <code>SQLException</code> 108 * that does not have a descriptive messages and SQL state, and which 109 * has a vendor error code of 0. 110 */ 111 public SQLException() 112 { 113 this(null, null, 0); 114 } 115 116 /** 117 * This method returns the SQLState information associated with this 118 * error. The value returned is a <code>String</code> which is formatted 119 * using the XOPEN SQL state conventions. 120 * 121 * @return The SQL state, which may be <code>null</code>. 122 */ 123 public String getSQLState() 124 { 125 return SQLState; 126 } 127 128 /** 129 * This method returns the vendor specific error code associated with 130 * this error. 131 * 132 * @return The vendor specific error code associated with this error. 133 */ 134 public int getErrorCode() 135 { 136 return vendorCode; 137 } 138 139 /** 140 * This method returns the exception that is chained to this object. 141 * 142 * @return The exception chained to this object, which may be 143 * <code>null</code>. 144 */ 145 public SQLException getNextException() 146 { 147 return next; 148 } 149 150 /** 151 * This method adds a new exception to the end of the chain of exceptions 152 * that are chained to this object. 153 * 154 * @param e The exception to add to the end of the chain. 155 */ 156 public void setNextException(SQLException e) 157 { 158 if (e == null) 159 return; 160 161 SQLException list_entry = this; 162 while (list_entry.getNextException() != null) 163 list_entry = list_entry.getNextException(); 164 165 list_entry.next = e; 166 } 167}