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1 package org.nanocontainer.booter;
2
3 import java.io.IOException  ;
4 import java.lang.reflect.InvocationTargetException ;
5 import java.lang.reflect.Method ;
6 import java.net.MalformedURLException ;
7 import java.net.Socket ;
8 import java.net.URL ;
9 import java.net.URLClassLoader ;
10 import java.security.AccessControlException ;
11 import java.security.AllPermission ;
12 import java.util.HashMap ;
13 import java.util.Map ;
14
15 import org.picocontainer.MutablePicoContainer;
16 import org.picocontainer.PicoContainer;
17 import org.picocontainer.Startable;
18 import org.picocontainer.defaults.CustomPermissionsURLClassLoader;
19 import org.picocontainer.defaults.DefaultPicoContainer;
20
21 public class BrownBear implements Startable {
22
23 private MutablePicoContainer subContainer;
24
25 public BrownBear(Honey honey) throws NoSuchMethodException , IllegalAccessException , InvocationTargetException , InstantiationException , MalformedURLException , ClassNotFoundException {
26
27 try {
28 new Socket ("google.com", 80);
29 System.out.println("BrownBear: 'socket open' NOT blocked to google.com:80 (wrong)");
30 } catch (AccessControlException e) {
31 System.out.println("BrownBear: 'socket open' blocked to google.com:80 (correct)");
32 } catch (IOException e) {
33 e.printStackTrace();
34 }
35
36 try {
37 new Socket ("yahoo.com", 80);
38 System.out.println("BrownBear: 'socket open' NOT blocked to yahoo.com:80 (correct)");
39 } catch (AccessControlException e) {
40 e.printStackTrace();
41 System.out.println("BrownBear: 'socket open' blocked to yahoo.com:80 (wrong)");
42 } catch (IOException e) {
43 e.printStackTrace();
44 }
45
46
53 this.getClass().getClassLoader();
54 System.out.println("BrownBear: Can access classloader of this class (correct)");
55
56 System.out.println("BrownBear: I have eaten " + honey.eatSome() + " calories of Honey (of unknown type)");
57 Class clazz = null;
58 try {
59 clazz = this.getClass().getClassLoader().loadClass("org.nanocontainer.boot.BeeHiveHoney");
60 } catch (ClassNotFoundException cnfe) {
61 }
62 System.out.println("BrownBear: Can see class for BeeHiveHoney ? - " + (clazz != null));
63 System.out.println("BrownBear: honey instance's class type - " + honey.getClass());
64 Method nonInterfaceMethod = null;
65 try {
66 nonInterfaceMethod = honey.getClass().getMethod("nonInterfaceMethod", new Class [0]);
67 } catch (NoSuchMethodException exception) {
68 }
69 System.out.println("BrownBear: Can see honey instance's 'nonInterfaceMethod'? - " + (nonInterfaceMethod != null));
70 boolean invoked = false;
71 try {
72 nonInterfaceMethod.invoke(honey, new Object [0]);
73 invoked = true;
74 } catch (Exception e) {
75 }
76 System.out.println("BrownBear: Can invoke honey instance's 'nonInterfaceMethod'? - " + invoked);
77 nonInterfaceMethod = null;
78 if (clazz != null) {
79 nonInterfaceMethod = clazz.getMethod("nonInterfaceMethod", new Class [0]);
80 }
81 System.out.println("BrownBear: Can see HoneyBeeHoney.nonInterfaceMethod()? - " + (nonInterfaceMethod != null));
82 invoked = false;
83 try {
84 nonInterfaceMethod.invoke(honey, new Object [0]);
85 invoked = true;
86 } catch (Exception e) {
87 }
88 System.out.println("BrownBear: Can invoke HoneyBeeHoney class' 'nonInterfaceMethod' against honey's instance? - " + invoked);
89 System.out.println("BrownBear: Can leverage any implementation detail from honey instance? - false");
90
91 subContainer = new DefaultPicoContainer();
92 subContainer.registerComponentImplementation(Map .class, HashMap .class);
93 subContainer.registerComponentImplementation(PicoContainer.class, DefaultPicoContainer.class);
94 subContainer.getComponentInstance(Map .class);
95 subContainer.getComponentInstance(PicoContainer.class);
96
97 System.out.println("BrownBear: Can instantiate new DefaultPicoContainer (sub-container)");
98
99 try {
100 new BrownBearHelper();
101 System.out.println("BrownBear: Can instantiate new DefaultNanoContainer (sub-container) - wrong, DefaultNanoContainer should not be in the classpath");
102 } catch (NoClassDefFoundError e) {
103 System.out.println("BrownBear: Cannot instantiate new DefaultNanoContainer (sub-container) - correct, DefaultNanoContainer is not in the classpath");
104 } catch (ClassNotFoundException e) {
105 System.out.println("BrownBear: Cannot instantiate new HashMap (error!)");
106 }
107
108 String qdox = "http://www.ibiblio.org/maven/qdox/jars/qdox-1.5.jar";
109 try {
110 URLClassLoader urlClassLoader = new URLClassLoader (new URL [] {new URL (qdox)} );
111 Class qdoxClass = urlClassLoader.loadClass("com.thoughtworks.qdox.JavaDocBuilder");
112 qdoxClass.newInstance();
113 System.out.println("BrownBear: Can instantiate new URLClassLoader (incorrect)");
114 } catch (AccessControlException e) {
115 System.out.println("BrownBear: Cannot instantiate new URLClassLoader (correct)");
116 }
117
118 Map permissionsMap = new HashMap ();
119 permissionsMap.put(qdox, new AllPermission ());
120
121 try {
122 URLClassLoader urlClassLoader = new CustomPermissionsURLClassLoader(new URL [] {new URL (qdox)}, permissionsMap, this.getClass().getClassLoader() );
123 Class qdoxClass = urlClassLoader.loadClass("com.thoughtworks.qdox.JavaDocBuilder");
124 qdoxClass.newInstance();
125 System.out.println("BrownBear: Can instantiate new CustomPermissionsURLClassLoader (incorrect)");
126 } catch (AccessControlException e) {
127 System.out.println("BrownBear: Cannot instantiate new CustomPermissionsURLClassLoader (correct)");
128 }
129
130 }
131
132 public void start() {
133 subContainer.start();
134 System.out.println("BrownBear: Started sub-container");
135 }
136
137 public void stop() {
138 subContainer.stop();
139 }
140 } |
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