Java tutorial
package org.apache.torque.util; /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import java.sql.SQLException; import org.apache.commons.lang.StringUtils; import org.apache.torque.ConstraintViolationException; import org.apache.torque.DeadlockException; import org.apache.torque.TorqueException; /** * Default implementation of the ExceptionMapper interface. * @version $Id: ExceptionMapperImpl.java 1448414 2013-02-20 21:06:35Z tfischer $ */ public class ExceptionMapperImpl extends ExceptionMapper { @Override public TorqueException toTorqueException(SQLException sqlException) { if (StringUtils.startsWith(sqlException.getSQLState(), "23")) { return new ConstraintViolationException(sqlException); } if (StringUtils.equals(sqlException.getSQLState(), "40001")) { // mysql, derby, mssql return new DeadlockException(sqlException); } if (StringUtils.equals(sqlException.getSQLState(), "40P01")) { // postgresql return new DeadlockException(sqlException); } if (StringUtils.equals(sqlException.getSQLState(), "61000") && sqlException.getErrorCode() == 60) { // oracle return new DeadlockException(sqlException); } return new TorqueException(sqlException); } }