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Db4o-java5
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/* Copyright (C) 2004 - 2005  db4objects Inc.  http://www.db4o.com

This file is part of the db4o open source object database.

db4o is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation and as clarified by db4objects' GPL 
interpretation policy, available at
http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
Suite 350, San Mateo, CA 94403, USA.

db4o 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 General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */
package com.db4o;

import com.db4o.reflect.*;


class JDK_5 extends JDK_1_4 {
    
    private static final String ENUM_CLASSNAME = "java.lang.Enum"; 
    
    private static ReflectClass enumClass;
    
    boolean isEnum(Reflector reflector, ReflectClass claxx) {
        
        if(claxx == null){
            return false;
        }
        
        if(enumClass == null){
            try {
                enumClass = reflector.forClass(Class.forName(ENUM_CLASSNAME));
            } catch (ClassNotFoundException e) {
                return false;
            }
        }
        
        return enumClass.isAssignableFrom(claxx);
    }

}