001 /**
002 * GRANITE DATA SERVICES
003 * Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 * This file is part of the Granite Data Services Platform.
006 *
007 * Granite Data Services is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * Granite Data Services is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 * General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this library; if not, write to the Free Software
019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 * USA, or see <http://www.gnu.org/licenses/>.
021 */
022 package org.granite.tide.hibernate4;
023
024 import java.util.HashMap;
025 import java.util.Map;
026
027 import org.granite.hibernate4.HibernateOptimisticLockException;
028 import org.granite.messaging.service.ExceptionConverter;
029 import org.granite.messaging.service.ExtendedServiceExceptionHandler;
030 import org.granite.messaging.service.ServiceException;
031 import org.hibernate.HibernateException;
032 import org.hibernate.NonUniqueObjectException;
033 import org.hibernate.NonUniqueResultException;
034 import org.hibernate.ObjectNotFoundException;
035 import org.hibernate.StaleObjectStateException;
036 import org.hibernate.StaleStateException;
037
038
039 public class HibernateExceptionConverter implements ExceptionConverter {
040
041 public static final String ENTITY_EXISTS = "Persistence.EntityExists";
042 public static final String ENTITY_NOT_FOUND = "Persistence.EntityNotFound";
043 public static final String NON_UNIQUE_RESULT = "Persistence.NonUnique";
044 public static final String NO_RESULT = "Persistence.NoResult";
045 public static final String OPTIMISTIC_LOCK = "Persistence.OptimisticLock";
046 public static final String TRANSACTION_REQUIRED = "Persistence.TransactionRequired";
047 public static final String ROLLBACK = "Persistence.Rollback";
048 public static final String OTHER = "Persistence.Error";
049
050
051 public boolean accepts(Throwable t, Throwable finalException) {
052 // Check if we could not let the JPA converter handle the exception
053 for (Throwable cause = finalException; cause != null && cause != t; cause = ExtendedServiceExceptionHandler.getCause(cause)) {
054 if (cause.getClass().getName().startsWith("javax.persistence"))
055 return false;
056 }
057
058 return t.getClass().equals(NonUniqueObjectException.class)
059 || t.getClass().equals(ObjectNotFoundException.class)
060 || t.getClass().equals(NonUniqueResultException.class)
061 || StaleStateException.class.isAssignableFrom(t.getClass())
062 || HibernateException.class.isAssignableFrom(t.getClass());
063 }
064
065 public ServiceException convert(Throwable t, String detail, Map<String, Object> extendedData) {
066 String error = null;
067 Map<String, Object> ex = null;
068 if (t.getClass().equals(NonUniqueObjectException.class))
069 error = ENTITY_EXISTS;
070 else if (t.getClass().equals(ObjectNotFoundException.class))
071 error = ENTITY_NOT_FOUND;
072 else if (t.getClass().equals(NonUniqueResultException.class))
073 error = NON_UNIQUE_RESULT;
074 else if (t.getClass().equals(StaleStateException.class) || t.getClass().equals(StaleObjectStateException.class)
075 || t.getClass().equals(HibernateOptimisticLockException.class)) {
076 error = OPTIMISTIC_LOCK;
077 if (t instanceof HibernateOptimisticLockException) {
078 ex = new HashMap<String, Object>();
079 ex.put("entity", ((HibernateOptimisticLockException)t).getEntity());
080 }
081 else if (t instanceof StaleObjectStateException) {
082 ex = new HashMap<String, Object>();
083 ex.put("entityName", ((StaleObjectStateException)t).getEntityName());
084 ex.put("identifier", ((StaleObjectStateException)t).getIdentifier());
085 }
086 }
087 else
088 error = OTHER;
089
090 ServiceException se = new ServiceException(error, t.getMessage(), detail, t);
091 if (ex != null && !ex.isEmpty())
092 se.getExtendedData().putAll(ex);
093 return se;
094 }
095
096 }