package org.madore.damlengine;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;
import java.util.HashMap;
import org.w3c.dom.Element;

public abstract class TodoElement extends TodoItem {

    protected static Map<String,Constructor<? extends TodoElement>> damlConstructors;

    static {
	damlConstructors = new HashMap<String,Constructor<? extends TodoElement>>();
    }

    Element node;
    Map<String,Object> context;
    Map<String,Object> options;

    public TodoElement(Element node, Map<String,Object> context, Map<String,Object> options) {
	this.node = node;
	this.context = context;
	this.options = options;
    }

    public static TodoElement getTodoElement(Element node,
					     Map<String,Object> context,
					     Map<String,Object> options) {
	Constructor<? extends TodoElement> constructor = null;
	String nsuri = node.getNamespaceURI();
	if ( nsuri != null && nsuri.equals(DamlEngine.DAML_NS) )
	    constructor = damlConstructors.get(node.getLocalName());
	if ( constructor != null )
	    try {
		return constructor.newInstance(new Object[]{node, context, options});
	    } catch (InstantiationException e) {
		// FIXME: Do something intelligent here!
	    } catch (IllegalAccessException e) {
		// FIXME: Do something intelligent here!
	    } catch (InvocationTargetException e) {
		// FIXME: Do something intelligent here!
	    }
	return new TodoDefaultElement(node, context, options);
    }

}