/*
* Copyright (C) NetStruxr, Inc. All rights reserved.
*
* This software is published under the terms of the NetStruxr
* Public Software License version 0.5, a copy of which has been
* included with this distribution in the LICENSE.NPL file. */
package er.directtoweb.qualifiers;
import com.webobjects.directtoweb.BooleanQualifier;
import com.webobjects.directtoweb.D2WContext;
import com.webobjects.eoaccess.EOEntity;
import com.webobjects.eocontrol.EOKeyValueUnarchiver;
/* HACK Alert
we need to sublass one of the qualifier class of D2W in order for the LA code to work properly
*/
/**
* Tests if an object is a kind of an entity.<br />
*
*/
public class ERDIsKindOfEntityQualifier extends BooleanQualifier {
/**
* Do I need to update serialVersionUID?
* See section 5.6 <cite>Type Changes Affecting Serialization</cite> on page 51 of the
* <a href="http://java.sun.com/j2se/1.4/pdf/serial-spec.pdf">Java Object Serialization Spec</a>
*/
private static final long serialVersionUID = 1L;
private String _entityName;
private String _keyPath;
public static Object decodeWithKeyValueUnarchiver (EOKeyValueUnarchiver u) {
return new ERDIsKindOfEntityQualifier(u);
}
public ERDIsKindOfEntityQualifier (EOKeyValueUnarchiver u) {
super(null);
_entityName=(String)u.decodeObjectForKey("entityName");
_keyPath=(String)u.decodeObjectForKey("keyPath");
}
@Override
public boolean evaluateWithObject(Object o) {
// FIXME here -- this could be sth else..
D2WContext c=(D2WContext)o;
EOEntity e=(EOEntity)c.valueForKeyPath(_keyPath);
return isKindOfEntity(e);
}
public boolean isKindOfEntity(EOEntity e) {
return e.name().equals(_entityName) ? true : (e.parentEntity()!= null ? isKindOfEntity(e.parentEntity()) : false);
}
@Override
public String toString() { return _keyPath+" isKindOfEntity "+_entityName; }
}