/**************************************************************************
 * WriteProperty
 *
 * $Workfile$
 * $Revision: 1.3 $
 * $Date: 2004/10/21 08:02:19 $
 *
 * Copyright (C) 2001 CERN - European Organization for Nuclear Research
 * All rights reserved.
 **************************************************************************/

package com.c2kernel.lifecycle.instance.predefined;

import com.c2kernel.common.InvalidDataException;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.process.Gateway;
import com.c2kernel.property.Property;
import com.c2kernel.utils.Logger;

/**************************************************************************
 *
 * @author $Author: abranson $ $Date: 2004/10/21 08:02:19 $
 * @version $Revision: 1.3 $
 **************************************************************************/
public class WriteProperty extends PredefinedStep
{
	/**************************************************************************
    * Constructor for Castror
    **************************************************************************/
    public WriteProperty()
    {
        super();
    }

	//requestdata is xmlstring
    @Override
	protected String runActivityLogic(AgentPath agent, int itemSysKey,
			int transitionID, String requestData) throws InvalidDataException {

        Logger.msg(1, "WriteProperty::request() - Starting.");

        String[] params = getDataList(requestData);
        if (params.length != 2)
            throw new InvalidDataException("WriteProperty::request() - need 2 params - name and value", "");
        try
        {

            Logger.msg(5, "WriteProperty::request() - name:" + params[0] +" val:"+params[1]);

            Property newProp = new Property(params[0], params[1]);
			Gateway.getStorage().put(itemSysKey, newProp, null );
        }
        catch( Exception ex )
        {
            Logger.error("WriteProperty::request() - during unmarshall.");
            Logger.error(ex);
            throw new InvalidDataException(ex.toString(), "");
        }

        Logger.msg(1, "WriteProperty::request() - DONE.");
        return requestData;
    }
}