1 /*
2 * Copyright (C) 2013 4th Line GmbH, Switzerland
3 *
4 * The contents of this file are subject to the terms of either the GNU
5 * Lesser General Public License Version 2 or later ("LGPL") or the
6 * Common Development and Distribution License Version 1 or later
7 * ("CDDL") (collectively, the "License"). You may not use this file
8 * except in compliance with the License. See LICENSE.txt for more
9 * information.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14 */
15
16 package org.fourthline.cling.model.state;
17
18 import org.seamless.util.Reflections;
19
20 import java.lang.reflect.Field;
21
22 /**
23 * Reads the value of a state variable using reflection and a field.
24 *
25 * @author Christian Bauer
26 */
27 public class FieldStateVariableAccessor extends StateVariableAccessor {
28
29 protected Field field;
30
31 public FieldStateVariableAccessor(Field field) {
32 this.field = field;
33 }
34
35 public Field getField() {
36 return field;
37 }
38
39 @Override
40 public Class<?> getReturnType() {
41 return getField().getType();
42 }
43
44 @Override
45 public Object read(Object serviceImpl) throws Exception {
46 return Reflections.get(field, serviceImpl);
47 }
48
49 @Override
50 public String toString() {
51 return super.toString() + " Field: " + getField();
52 }
53 }