/**************************************************************************
 *
 * $Revision: 1.4 $
 * $Date: 2004/10/21 08:02:26 $
 *
 * Copyright (C) 2001 CERN - European Organization for Nuclear Research
 * All rights reserved.
 **************************************************************************/

package com.c2kernel.property;

import java.util.ArrayList;
import java.util.Iterator;

import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.persistency.outcome.Outcome;
import com.c2kernel.process.Gateway;
import com.c2kernel.utils.CastorHashMap;
import com.c2kernel.utils.Logger;


public class PropertyUtility
{
    static public String getValue(ArrayList<PropertyDescription> pdlist, String name)
	{
		for (PropertyDescription pd : pdlist) {
			if ( name.equalsIgnoreCase(pd.getName()) )
				return pd.getDefaultValue();
		}
		return null;
	}

	static public String getNames(ArrayList<PropertyDescription> pdlist)
	{
		StringBuffer names = new StringBuffer();
		for (PropertyDescription value : pdlist)
			names.append( value.getDefaultValue()).append(" ");
		return names.toString();
	}

	static public String getClassIdNames(ArrayList<PropertyDescription> pdlist)
	{
		StringBuffer names = new StringBuffer();
		
		for (Iterator<PropertyDescription> iter = pdlist.iterator(); iter.hasNext();) {
			PropertyDescription pd = iter.next();
			if (pd.getIsClassIdentifier())
				names.append(pd.getName());
			if (iter.hasNext())
				names.append(",");
		}
		return names.toString();
	}


	static public PropertyDescriptionList getPropertyDescriptionOutcome(int entityKey) throws ObjectNotFoundException
	{
        try
        {
            Outcome outc = (Outcome) Gateway.getStorage().get(entityKey, ClusterStorage.VIEWPOINT+"/PropertyDescription/last/data", null);
			return (PropertyDescriptionList)Gateway.getMarshaller().unmarshall(outc.getData());
        }
        catch (Exception ex)
        {
        	Logger.error(ex);
        	throw new ObjectNotFoundException("Problem getting PropertyDescription from "+entityKey, "");
        }
	}

	static public CastorHashMap createProperty(PropertyDescriptionList pdList)
	{
		CastorHashMap props = new CastorHashMap();
		for (int i=0; i< pdList.list.size();i++)
		{
			PropertyDescription pd = pdList.list.get(i);
			if (pd.getIsClassIdentifier())
				props.put(pd.getName(),pd.getDefaultValue());
		}
		return props;
	}

}