001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (C) 2012 Paul Ferraro 004 * 005 * This program is free software: you can redistribute it and/or modify 006 * it under the terms of the GNU Lesser General Public License as published by 007 * the Free Software Foundation, either version 3 of the License, or 008 * (at your option) any later version. 009 * 010 * This program is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 013 * GNU Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public License 016 * along with this program. If not, see <http://www.gnu.org/licenses/>. 017 */ 018package net.sf.hajdbc; 019 020import net.sf.hajdbc.durability.Durability.Phase; 021 022 023/** 024 * @author paul 025 * 026 */ 027public abstract class AbstractExceptionFactory<E extends Exception> implements ExceptionFactory<E> 028{ 029 private static final long serialVersionUID = 6715631233424287636L; 030 031 private Class<E> targetClass; 032 033 protected AbstractExceptionFactory(Class<E> targetClass) 034 { 035 this.targetClass = targetClass; 036 } 037 038 @Override 039 public Class<E> getTargetClass() 040 { 041 return this.targetClass; 042 } 043 044 @Override 045 public ExceptionType getType() 046 { 047 return ExceptionType.valueOf(this.targetClass); 048 } 049 050 /** 051 * {@inheritDoc} 052 * @see net.sf.hajdbc.ExceptionFactory#createException(java.lang.Throwable) 053 */ 054 @Override 055 public E createException(Throwable e) 056 { 057 if (this.targetClass.isInstance(e)) 058 { 059 return this.targetClass.cast(e); 060 } 061 062 E exception = this.createException(e.getMessage()); 063 064 exception.initCause(e); 065 066 return exception; 067 } 068 069 @Override 070 public boolean correctHeuristic(E exception, Phase phase) 071 { 072 return false; 073 } 074 075 @Override 076 public boolean equals(E exception1, E exception2) 077 { 078 String message1 = exception1.getMessage(); 079 String message2 = exception2.getMessage(); 080 081 return ((message1 != null) && (message2 != null)) ? message1.equals(message2) : message1 == message2; 082 } 083}