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1
4 package com.tc.simulator.app;
5
6 import com.tc.logging.TCLogger;
7 import com.tc.logging.TCLogging;
8 import com.tc.object.bytecode.hook.impl.PreparedComponentsFromL2Connection;
9 import com.tc.object.config.DSOClientConfigHelper;
10 import com.tc.object.loaders.IsolationClassLoader;
11 import com.tc.simulator.listener.ListenerProvider;
12
13 import java.lang.reflect.Constructor  ;
14
15 public class DSOApplicationBuilder implements ApplicationBuilder {
16
17 private final ApplicationConfig applicationConfig;
18 private final ClassLoader classloader;
19
20 private Class applicationClass;
21 private Constructor applicationConstructor;
22
23 public DSOApplicationBuilder(DSOClientConfigHelper config, ApplicationConfig applicationConfig,
24 PreparedComponentsFromL2Connection components) {
25
26 this(applicationConfig, new IsolationClassLoader(config, components));
27 }
28
29 public DSOApplicationBuilder(ApplicationConfig applicationConfig,
30 ClassLoader classloader) {
31 this.applicationConfig = applicationConfig;
32 this.classloader = classloader;
33 }
34
35 TCLogger logger = TCLogging.getLogger(DSOApplicationBuilder.class);
37 public Application newApplication(String applicationId, ListenerProvider listenerProvider)
38 throws ApplicationInstantiationException {
39 try {
40 logger.info("Before initializing Class Loader...");
41 initializeClassLoader();
42 logger.info("After initializing Class Loader...");
43 Class applicationConfigClass = classloader.loadClass(ApplicationConfig.class.getName());
44 Class listenerProviderClass = classloader.loadClass(ListenerProvider.class.getName());
45 this.applicationClass = this.classloader.loadClass(this.applicationConfig.getApplicationClassname());
46 this.applicationConstructor = this.applicationClass.getConstructor(new Class [] { String .class,
47 applicationConfigClass, listenerProviderClass });
48 logger.info("Before new Instance is created...");
49 return (Application) this.applicationConstructor.newInstance(new Object [] { applicationId,
50 this.applicationConfig, listenerProvider });
51 } catch (Throwable t) {
52 t.printStackTrace();
53 throw new ApplicationInstantiationException(t);
54 }
55
56 }
57
58 private void initializeClassLoader() {
59 if (this.classloader instanceof IsolationClassLoader) {
60 ((IsolationClassLoader)this.classloader).init();
61 }
62 }
63
64 public ClassLoader getContextClassLoader() {
65 return classloader;
66 }
67
68 }
69 |
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