/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008-2013, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.bytecode.internal.javassist;
import java.io.Serializable;
import org.hibernate.PropertyAccessException;
import org.hibernate.bytecode.spi.ReflectionOptimizer;
import org.hibernate.cfg.AvailableSettings;
/**
* The {@link org.hibernate.bytecode.spi.ReflectionOptimizer.AccessOptimizer} implementation for Javassist
* which simply acts as an adapter to the {@link BulkAccessor} class.
*
* @author Steve Ebersole
*/
public class AccessOptimizerAdapter implements ReflectionOptimizer.AccessOptimizer, Serializable {
private static final String PROPERTY_GET_EXCEPTION = String.format(
"exception getting property value with Javassist (set %s to false for more info)",
AvailableSettings.USE_REFLECTION_OPTIMIZER
);
private static final String PROPERTY_SET_EXCEPTION = String.format(
"exception setting property value with Javassist (set %s to false for more info)",
AvailableSettings.USE_REFLECTION_OPTIMIZER
);
private final BulkAccessor bulkAccessor;
private final Class mappedClass;
/**
* Constructs an AccessOptimizerAdapter
*
* @param bulkAccessor The bulk accessor to use
* @param mappedClass The mapped class
*/
public AccessOptimizerAdapter(BulkAccessor bulkAccessor, Class mappedClass) {
this.bulkAccessor = bulkAccessor;
this.mappedClass = mappedClass;
}
@Override
public String[] getPropertyNames() {
return bulkAccessor.getGetters();
}
@Override
public Object[] getPropertyValues(Object object) {
try {
return bulkAccessor.getPropertyValues( object );
}
catch ( Throwable t ) {
throw new PropertyAccessException(
t,
PROPERTY_GET_EXCEPTION,
false,
mappedClass,
getterName( t, bulkAccessor )
);
}
}
@Override
public void setPropertyValues(Object object, Object[] values) {
try {
bulkAccessor.setPropertyValues( object, values );
}
catch ( Throwable t ) {
throw new PropertyAccessException(
t,
PROPERTY_SET_EXCEPTION,
true,
mappedClass,
setterName( t, bulkAccessor )
);
}
}
private static String setterName(Throwable t, BulkAccessor accessor) {
if (t instanceof BulkAccessorException ) {
return accessor.getSetters()[ ( (BulkAccessorException) t ).getIndex() ];
}
else {
return "?";
}
}
private static String getterName(Throwable t, BulkAccessor accessor) {
if (t instanceof BulkAccessorException ) {
return accessor.getGetters()[ ( (BulkAccessorException) t ).getIndex() ];
}
else {
return "?";
}
}
}