/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jbpm.identity.hibernate;
import java.io.Serializable;
import java.lang.reflect.Constructor;
import java.security.Permission;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.hibernate.HibernateException;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.type.StandardBasicTypes;
import org.hibernate.type.Type;
import org.hibernate.usertype.CompositeUserType;
@SuppressWarnings("rawtypes")
public class PermissionUserType implements CompositeUserType {
private static final String[] PROPERTY_NAMES = new String[]{"class", "name", "actions"};
public String[] getPropertyNames() {
return PROPERTY_NAMES;
}
private static final Type[] PROPERTY_TYPES = new Type[]{StandardBasicTypes.STRING, StandardBasicTypes.STRING, StandardBasicTypes.STRING};
public Type[] getPropertyTypes() {
return PROPERTY_TYPES;
}
public Object getPropertyValue(Object component, int property) throws HibernateException {
Permission permission = (Permission) component;
if (property==0) {
return permission.getClass().getName();
} else if (property==1) {
return permission.getName();
} else if (property==2) {
return permission.getActions();
} else {
throw new IllegalArgumentException("illegal permission property '"+property+"'");
}
}
public void setPropertyValue(Object arg0, int arg1, Object arg2) throws HibernateException {
throw new UnsupportedOperationException("setting properties on a permission is not allowed");
}
public Class returnedClass() {
return Permission.class;
}
public boolean equals(Object left, Object right) throws HibernateException {
return left.equals(right);
}
public int hashCode(Object permission) throws HibernateException {
return permission.hashCode();
}
private static final Class[] NAME_ACTIOS_CONSTRUCTOR_PARAMETER_TYPES = new Class[]{String.class, String.class};
public Object nullSafeGet(ResultSet resultSet, String[] names, SessionImplementor session, Object owner) throws HibernateException, SQLException {
Object permission = null;
String className = resultSet.getString(names[0]);
String name = resultSet.getString(names[1]);
String actions = resultSet.getString(names[2]);
try {
// TODO optimize performance by caching the constructors
Class permissionClass = PermissionUserType.class.getClassLoader().loadClass(className);
@SuppressWarnings("unchecked")
Constructor constructor = permissionClass.getDeclaredConstructor(NAME_ACTIOS_CONSTRUCTOR_PARAMETER_TYPES);
permission = constructor.newInstance(new Object[]{name, actions});
} catch (Exception e) {
throw new HibernateException("couldn't create permission from database record ["+className+"|"+name+"|"+actions+"]. Does the permission class have a (String name,String actions) constructor ?", e);
}
return permission;
}
public void nullSafeSet(PreparedStatement preparedStatement, Object value, int index, SessionImplementor session) throws HibernateException, SQLException {
Permission permission = (Permission) value;
preparedStatement.setString(index, permission.getClass().getName());
preparedStatement.setString(index+1, permission.getName());
preparedStatement.setString(index+2, permission.getActions());
}
public Object deepCopy(Object permission) throws HibernateException {
return permission;
}
public boolean isMutable() {
return false;
}
public Serializable disassemble(Object value, SessionImplementor session) throws HibernateException {
return (Serializable) value;
}
public Object assemble(Serializable cached, SessionImplementor session, Object owner) throws HibernateException {
return cached;
}
public Object replace(Object original, Object target, SessionImplementor session, Object owner) throws HibernateException {
return original;
}
}