/**
 * This file is part of the CRISTAL-iSE kernel.
 * Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * http://www.fsf.org/licensing/licenses/lgpl.html
 */
package org.cristalise.kernel.property;

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

import org.cristalise.kernel.common.ObjectNotFoundException;
import org.cristalise.kernel.lookup.ItemPath;
import org.cristalise.kernel.persistency.ClusterStorage;
import org.cristalise.kernel.persistency.outcome.Outcome;
import org.cristalise.kernel.process.Gateway;
import org.cristalise.kernel.utils.CastorHashMap;
import org.cristalise.kernel.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(ItemPath itemPath, String descVer) throws ObjectNotFoundException
	{
        try
        {
            Outcome outc = (Outcome) Gateway.getStorage().get(itemPath, ClusterStorage.VIEWPOINT+"/PropertyDescription/"+descVer+"/data", null);
			return (PropertyDescriptionList)Gateway.getMarshaller().unmarshall(outc.getData());
        }
        catch (Exception ex)
        {
        	Logger.error(ex);
        	throw new ObjectNotFoundException("Could not fetch PropertyDescription from "+itemPath);
        }
	}

	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;
	}

}