/**
* Copyright (C) 2001-2005 France Telecom R&D
*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.objectweb.speedo.metadata;
import org.objectweb.speedo.api.SpeedoException;
import org.objectweb.speedo.api.SpeedoRuntimeException;
import org.objectweb.speedo.lib.Personality;
import org.objectweb.speedo.metadata.ejb.EJBDefaults;
import org.objectweb.speedo.metadata.jdo.JDODefaults;
/**
* Is an helper class for loading default value of speedo meta objects.
*
* @author S.Chassande-Barrioz
*/
public abstract class SpeedoDefaults {
/**
* is the unique instance helping the initialization of speedo meta objects
*/
private static SpeedoDefaults defaults;
/**
* This abstract method should initiaze a speedo meta Object.
* @param se the speedo meta object to initialize.
*/
public abstract void assignDefaults(Object se) throws SpeedoRuntimeException;
/**
* Initializes the defaults field with regards to the current personality
* @param p the current personality
*/
public static void init(Personality p) throws SpeedoException {
String className = p.getPersonalityClassName(
"org.objectweb.speedo.metadata", "Defaults");
try {
defaults = (SpeedoDefaults) Class.forName(className).newInstance();
} catch (InstantiationException e) {
throw new SpeedoException(
"Cannot create object for Speedo defaults with class: "
+ className, e);
} catch (IllegalAccessException e) {
throw new SpeedoException(
"Cannot create object for Speedo defaults with class: "
+ className, e);
} catch (ClassNotFoundException e) {
throw new SpeedoException(
"Cannot create object for Speedo defaults with class: "
+ className, e);
}
}
/**
* Set the default value for a Speedo Meta Object.
* @param se the meta object to initiaze with default value of the current
* personality.
*/
public static void setDefaults(Object se) throws SpeedoRuntimeException {
defaults.assignDefaults(se);
}
}