/**************************************************************************
 *
 * $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 com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.persistency.outcome.Outcome;
import com.c2kernel.process.Gateway;
import com.c2kernel.utils.CastorHashMap;
import com.c2kernel.utils.CastorXMLUtility;
import com.c2kernel.utils.Logger;


public class PropertyUtility
{
    static public String getValue(ArrayList pdlist, String name)
	{
		Object[] values = pdlist.toArray();
		for (int i=0;i<values.length;i++)
		{
			PropertyDescription pd = (PropertyDescription) values[i];
			if ( name.equalsIgnoreCase(pd.getName()) )			
				return pd.getDefaultValue();			
		}			
		return null;
	}

	static public String getNames(ArrayList pdlist)
	{
		Object[] values = pdlist.toArray();
		StringBuffer names = new StringBuffer();
		for (int i=0;i<values.length;i++)
			names.append( ((PropertyDescription)values[i]).getDefaultValue()).append(" ");
		return names.toString();
	}

	static public String getClassIdNames(ArrayList pdlist)
	{
		Object[] values = pdlist.toArray();
		StringBuffer names = new StringBuffer();
		for (int i=0;i<values.length;i++)
		{
			PropertyDescription pd = ((PropertyDescription)values[i]);			
			if (pd.getIsClassIdentifier())
				names.append(pd.getName());
			if (i<values.length-1 && i!=0)
				names.append(",");				
		}			
		return names.toString();
	}


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

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

}