/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
 * [name of copyright owner]"
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 * Contributor(s):
 * 
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
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/*
 * $Header: /cvs/glassfish/admin/mbeans/src/java/com/sun/enterprise/admin/dottedname/valueaccessor/AnyValueAccessor.java,v 1.4 2007/05/05 05:24:07 tcfujii Exp $
 * $Revision: 1.4 $
 * $Date: 2007/05/05 05:24:07 $
 */
 

package com.sun.enterprise.admin.dottedname.valueaccessor;


import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import javax.management.Attribute;


import com.sun.enterprise.admin.dottedname.valueaccessor.PrefixedValueSupport;
import com.sun.enterprise.admin.dottedname.valueaccessor.PropertyValueAccessorBase;

/*
	Encapsulates all accessors so that caller need not distinguish between them.
 */
public class AnyValueAccessor extends ValueAccessorBase
{
	final ValueAccessor				mAttributeAccessor;
	
	
		public
	AnyValueAccessor( MBeanServerConnection conn )
	{
		super( conn );
		
		mAttributeAccessor	= new AttributeValueAccessor( conn );
	}
	
		public Attribute
	getValue( ObjectName objectName, String valueName ) throws Exception
	{
		Attribute	attr	= null;
		PropertyValueAccessorBase propertyAccessor= 
                 (new PrefixedValueSupport(getMBS()).getPrefixedValueAccessor(valueName));
		if ( propertyAccessor!=null )
		{
			attr	= propertyAccessor.getValue( objectName, 
                      propertyAccessor.extractPrefixedValueName(valueName) );
		}
		else
		{
			attr	= mAttributeAccessor.getValue( objectName, valueName );
		}
		
		return( attr );
	}
	
		public Attribute
	setValue( ObjectName objectName, Attribute attr ) throws Exception
	{
		Attribute	resultAttr	= null;
		
		final String	valueName	= attr.getName();
		PropertyValueAccessorBase propertyAccessor= 
                 (new PrefixedValueSupport(getMBS()).getPrefixedValueAccessor(valueName));
        if ( propertyAccessor!=null )
		{
			final String	propertyName = propertyAccessor.extractPrefixedValueName(valueName);
			final Attribute	newAttr	= new Attribute( propertyName, attr.getValue() );
			resultAttr	= propertyAccessor.setValue( objectName, newAttr );
		}
		else
		{
			resultAttr	= mAttributeAccessor.setValue( objectName, attr );
		}
		
		return( resultAttr );
	}
}