org.hibernate.bytecode.cglib.AccessOptimizerAdapter Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.cglib;
import org.hibernate.bytecode.ReflectionOptimizer;
import org.hibernate.PropertyAccessException;
import net.sf.cglib.beans.BulkBean;
import net.sf.cglib.beans.BulkBeanException;
import java.io.Serializable;
import java.io.ObjectOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
/**
* The {@link ReflectionOptimizer.AccessOptimizer} implementation for CGLIB
* which simply acts as an adpater to the {@link BulkBean} class.
*
* @author Steve Ebersole
*/
public class AccessOptimizerAdapter implements ReflectionOptimizer.AccessOptimizer, Serializable {
public static final String PROPERTY_GET_EXCEPTION =
"exception getting property value with CGLIB (set hibernate.bytecode.use_reflection_optimizer=false for more info)";
public static final String PROPERTY_SET_EXCEPTION =
"exception setting property value with CGLIB (set hibernate.bytecode.use_reflection_optimizer=false for more info)";
private Class mappedClass;
private BulkBean bulkBean;
public AccessOptimizerAdapter(BulkBean bulkBean, Class mappedClass) {
this.bulkBean = bulkBean;
this.mappedClass = mappedClass;
}
public String[] getPropertyNames() {
return bulkBean.getGetters();
}
public Object[] getPropertyValues(Object object) {
try {
return bulkBean.getPropertyValues( object );
}
catch ( Throwable t ) {
throw new PropertyAccessException(
t,
PROPERTY_GET_EXCEPTION,
false,
mappedClass,
getterName( t, bulkBean )
);
}
}
public void setPropertyValues(Object object, Object[] values) {
try {
bulkBean.setPropertyValues( object, values );
}
catch ( Throwable t ) {
throw new PropertyAccessException(
t,
PROPERTY_SET_EXCEPTION,
true,
mappedClass,
setterName( t, bulkBean )
);
}
}
private static String setterName(Throwable t, BulkBean optimizer) {
if ( t instanceof BulkBeanException ) {
return optimizer.getSetters()[( ( BulkBeanException ) t ).getIndex()];
}
else {
return "?";
}
}
private static String getterName(Throwable t, BulkBean optimizer) {
if ( t instanceof BulkBeanException ) {
return optimizer.getGetters()[( ( BulkBeanException ) t ).getIndex()];
}
else {
return "?";
}
}
private void writeObject(ObjectOutputStream out) throws IOException {
out.writeObject( mappedClass );
out.writeObject( bulkBean.getGetters() );
out.writeObject( bulkBean.getSetters() );
out.writeObject( bulkBean.getPropertyTypes() );
}
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
Class beanClass = ( Class ) in.readObject();
String[] getters = ( String[] ) in.readObject();
String[] setters = ( String[] ) in.readObject();
Class[] types = ( Class[] ) in.readObject();
bulkBean = BulkBean.create( beanClass, getters, setters, types );
}
}