1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
/**
* This class is loaded by a class loader that can see the resource. It creates
* a new classloader for LoadItUp2 which cannot see the resource. So, 2 levels
* up the call chain we have a class/classloader that can see the resource, but
* 1 level up the class/classloader cannot.
*
* @author Jim Gish
*/
public class LoadItUp2Invoker {
private URLClassLoader cl;
private String rbName;
private Object loadItUp2;
private Method testMethod;
public void setup(URL[] urls, String rbName) throws
ReflectiveOperationException {
this.cl = new URLClassLoader(urls, null);
this.rbName = rbName;
// Using this new classloader, load the actual test class
// which is now two levels removed from the original caller
Class<?> loadItUp2Clazz = Class.forName("LoadItUp2", true , cl);
this.loadItUp2 = loadItUp2Clazz.newInstance();
this.testMethod = loadItUp2Clazz.getMethod("test", String.class);
}
public Boolean test() throws Throwable {
try {
return (Boolean) testMethod.invoke(loadItUp2, rbName);
} catch (InvocationTargetException ex) {
throw ex.getTargetException();
}
}
}
|
