1 /*******************************************************************************
\r
2 * Copyright (c) 2012, 2013 Association for Decentralized Information Management in
\r
4 * All rights reserved. This program and the accompanying materials
\r
5 * are made available under the terms of the Eclipse Public License v1.0
\r
6 * which accompanies this distribution, and is available at
\r
7 * http://www.eclipse.org/legal/epl-v10.html
\r
10 * VTT Technical Research Centre of Finland - initial API and implementation
\r
11 *******************************************************************************/
\r
12 package org.simantics.g3d.property;
\r
14 import java.lang.reflect.Method;
\r
15 import java.lang.reflect.ParameterizedType;
\r
16 import java.lang.reflect.Type;
\r
17 import java.util.HashMap;
\r
18 import java.util.Map;
\r
20 public class MethodWithMapValueProvider implements ValueProvider {
\r
26 public MethodWithMapValueProvider(Method getter, Method setter, String key) {
\r
27 this.getter = getter;
\r
28 this.setter = setter;
\r
33 public Object getValue(Object obj) throws Exception{
\r
34 @SuppressWarnings("unchecked")
\r
35 Map<String,Object> map = (Map<String, Object>)getter.invoke(obj);
\r
36 return map.get(key);
\r
39 @SuppressWarnings("unchecked")
\r
41 public void setValue(Object obj, Object value) throws Exception {
\r
42 Map<String,Object> map = new HashMap<String, Object>();
\r
43 map.putAll((Map<String, Object>)getter.invoke(obj));
\r
44 map.put(key, value);
\r
45 setter.invoke(obj,map);
\r
49 public Class<?> getValueType() {
\r
50 // The return type of the getter should be a java.util.Map.
\r
51 Type[] typeArguments = ((ParameterizedType)getter.getGenericReturnType()).getActualTypeArguments();
\r
52 return (Class<?>) typeArguments[1];
\r