/**************************************************************************
 *
 * $Revision: 1.3 $
 * $Date: 2003/07/18 12:43:53 $
 *
 * Copyright (C) 2001 CERN - European Organization for Nuclear Research
 * All rights reserved.
 **************************************************************************/

package com.c2kernel.property;

import java.util.ArrayList;
import java.util.HashMap;

import com.c2kernel.common.InvalidDataException;
import com.c2kernel.utils.CastorArrayList;

public class PropertyDescriptionList extends CastorArrayList<PropertyDescription>
{
    public PropertyDescriptionList()
    {
        super();
    }

    public PropertyDescriptionList(ArrayList<PropertyDescription> aList)
    {
        super(aList);
    }

    public String getClassProps() {
        StringBuffer props = new StringBuffer();
        for (PropertyDescription element : list) {
            if (element.getIsClassIdentifier()) {
                if (props.length()>0)
                    props.append(",");
                props.append(element.getName());
            }
        }
        return props.toString();
    }

    public boolean setDefaultValue(String name, String value) {
        for (PropertyDescription element : list) {
            if (element.getName().equals(name)) {
                element.setDefaultValue(value);
                return true;
            }
        }
        return false;
    }
    
    public boolean definesProperty(String name) {
    	for (PropertyDescription element : list) {
    		if (element.getName().equals(name))
    			return true;
    	}
    	return false;
    }
    
    public PropertyArrayList instantiate(PropertyArrayList initProps) throws InvalidDataException {
    	// check that supplied init properties exist in desc list
    	HashMap<String, String> validatedInitProps = new HashMap<String, String>();
    	for (Property initProp : initProps.list) {
    		if (!definesProperty(initProp.getName()))
    			throw new InvalidDataException("Property "+initProp.getName()+" has not been declared in the property descriptions", "");
    		else
    			validatedInitProps.put(initProp.getName(), initProp.getValue());
		}
    	
    	PropertyArrayList propInst = new PropertyArrayList();
        for (int i = 0; i < list.size(); i++) {
        	PropertyDescription pd = list.get(i);
        	String propName = pd.getName();
        	String propVal = pd.getDefaultValue();
        	if (validatedInitProps.containsKey(propName))
        		propVal = validatedInitProps.get(propName);
        	boolean isMutable = pd.getIsMutable();
        	propInst.list.add( new Property(propName, propVal, isMutable));
        }
        return propInst;
    }
}