/*******************************************************************************
 * Copyright (c) 2012, 2013 Association for Decentralized Information Management in
 * Industry THTH ry.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.g3d.property;

import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;

public class MethodWithMapValueProvider implements ValueProvider {

	Method getter; 
	Method setter;
	String key;
	
	public MethodWithMapValueProvider(Method getter, Method setter, String key) {
		this.getter = getter;
		this.setter = setter;
		this.key = key;
	}
	
	@Override
	public Object getValue(Object obj) throws Exception{
		Map<String,Object> map = (Map<String, Object>)getter.invoke(obj);
		return map.get(key);
	}
	@Override
	public void setValue(Object obj, Object value) throws Exception {
		Map<String,Object> map = new HashMap<String, Object>();
		map.putAll((Map<String, Object>)getter.invoke(obj));
		map.put(key, value);
		setter.invoke(obj,map);
	}
}