/*
* Copyright 2012 SURFnet bv, The Netherlands
*
* Licensed 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.
*/
package org.surfnet.oaaas.repository;
import javax.persistence.PersistenceException;
import org.apache.openjpa.lib.jdbc.ReportingSQLException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class OpenJPAExceptionTranslator implements ExceptionTranslator {
private static final Logger LOG = LoggerFactory.getLogger(OpenJPAExceptionTranslator.class);
@Override
public Exception translate(Throwable e) {
if (e.getCause() != null && isRelevantCause(e.getCause())) {
return translate(e.getCause());
}
Class<? extends Throwable> c = e.getClass();
if (c.equals(org.apache.openjpa.persistence.EntityExistsException.class)) {
return new javax.persistence.EntityExistsException(e.getMessage(), e);
} else if (c.equals(javax.validation.ConstraintViolationException.class)) {
return (Exception) e;
}
LOG.info("Cannot translate '{}' to specific subtype, will return generic PersistenceException",
e.getClass().getName());
return new PersistenceException(e);
}
/**
* OpenJPA starts with an irrelevant ReportingSQLException....
*/
private boolean isRelevantCause(Throwable cause) {
return ! (cause instanceof ReportingSQLException);
}
}