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1
4 package org.oddjob.framework;
5
6 import java.lang.reflect.Method  ;
7
8 public class Service {
9
10 private final Method startMethod;
11 private final Method stopMethod;
12 private final Object component;
13
14 private Service(Object component, Method startMethod, Method stopMethod) {
15 this.component = component;
16 this.startMethod = startMethod;
17 this.stopMethod = stopMethod;
18 }
19
20 public void start() throws Exception {
21 startMethod.invoke(component, new Object [0]);
22 }
23
24 public void stop() throws Exception {
25 stopMethod.invoke(component, new Object [0]);
26 }
27
28 public Object getComponent() {
29 return component;
30 }
31
32 public static Service serviceFor(Object component) {
33 Class cl = component.getClass();
34 try {
35 Method startMethod = cl.getDeclaredMethod("start", new Class [0]);
36 if (startMethod.getReturnType() != Void.TYPE) {
37 return null;
38 }
39 Method stopMethod = cl.getDeclaredMethod("stop", new Class [0]);
40 if (startMethod.getReturnType() != Void.TYPE) {
41 return null;
42 }
43 return new Service(component, startMethod, stopMethod);
44 } catch (Exception e) {
45 return null;
46 }
47 }
48 }
49 |
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