1 /*
2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /* @test
25 * @bug 4149366
26 * @summary The class loader used to load classes for parameter types sent in
27 * an RMI call to an activatable object should delegate to the class loader
28 * that loaded the class of the activatable object itself, to maximize the
29 * likelihood of type compatibility between downloaded parameter types and
30 * supertypes shared with the activatable object.
31 * @author Peter Jones (much code taken from Ann Wollrath's activation tests)
32 *
33 * @library ../../../testlibrary
34 * @build TestLibrary RMID ActivationLibrary
35 * Foo FooReceiverImpl FooReceiverImpl_Stub Bar
36 * @run main/othervm/policy=security.policy/timeout=240 DownloadParameterClass
37 */
38
39 import java.io.*;
40 import java.net.*;
41 import java.util.*;
42 import java.rmi.*;
43 import java.rmi.activation.*;
44 import java.rmi.server.*;
45 import java.rmi.registry.*;
46
47 public class DownloadParameterClass {
48
49 public interface FooReceiver extends Remote {
50
51 /*
52 * The interface can't actually declare that the method takes a
53 * Foo, because then Foo would have to be in the test's CLASSPATH,
54 * which might get propagated to the group VM's CLASSPATH, which
55 * would nullify the test (the Foo supertype must be loaded in the
56 * group VM only through the class loader that loaded the
57 * activatable object).
58 */
59 public void receiveFoo(Object obj) throws RemoteException;
60 }
61
62 public static void main(String[] args) {
63
64 System.err.println("\nRegression test for bug 4149366\n");
65
66 /*
67 * Install classes to be seen by the activatable object's class
68 * loader in the "codebase1" subdirectory of working directory, and
69 * install the subtype to be downloaded into the activatable object
70 * into the "codebase2" subdirectory.
71 */
72 URL codebase1 = null;
73 URL codebase2 = null;
74 try {
75 codebase1 = TestLibrary.installClassInCodebase("FooReceiverImpl", "codebase1");
76 TestLibrary.installClassInCodebase("FooReceiverImpl_Stub", "codebase1");
77 TestLibrary.installClassInCodebase("Foo", "codebase1");
78 codebase2 = TestLibrary.installClassInCodebase("Bar", "codebase2");
79 } catch (MalformedURLException e) {
80 TestLibrary.bomb("failed to install test classes", e);
81 }
82
83 TestLibrary.suggestSecurityManager("java.rmi.RMISecurityManager");
84
85 RMID rmid = null;
86
87 try {
88 RMID.removeLog();
89 rmid = RMID.createRMID();
90 rmid.start();
91
92 /* Cause activation groups to have a security policy that will
93 * allow security managers to be downloaded and installed
94 */
95 Properties p = new Properties();
96 // this test must always set policies/managers in its
97 // activation groups
98 p.put("java.security.policy",
99 TestParams.defaultGroupPolicy);
100 p.put("java.security.manager",
101 TestParams.defaultSecurityManager);
102
103 /*
104 * Create and register descriptors for activatable object in a
105 * group other than this VM's group, so that another VM will be
106 * spawned with the object is activated.
107 */
108 System.err.println("Creating descriptors");
109 ActivationGroupDesc groupDesc =
110 new ActivationGroupDesc(p, null);
111 ActivationGroupID groupID =
112 ActivationGroup.getSystem().registerGroup(groupDesc);
113 ActivationDesc objDesc =
114 new ActivationDesc(groupID, "FooReceiverImpl",
115 codebase1.toString(), null, false);
116
117 System.err.println("Registering descriptors");
118 FooReceiver obj = (FooReceiver) Activatable.register(objDesc);
119
120 /*
121 * Create an instance of the subtype to be downloaded by the
122 * activatable object. The codebase must be a path including
123 * "codebase1" as well as "codebase2" because the supertype
124 * must be visible here as well; the supertype cannot be
125 * installed in both codebases (like it would be in a typical
126 * setup) because of the trivial installation mechanism used
127 * below, and see the comment above for why it can't be in
128 * the test's CLASSPATH.
129 */
130 Class subtype = RMIClassLoader.loadClass(
131 codebase2 + " " + codebase1, "Bar");
132 Object subtypeInstance = subtype.newInstance();
133
134 obj.receiveFoo(subtypeInstance);
135
136 System.err.println("\nTEST PASSED\n");
137
138 } catch (Exception e) {
139 TestLibrary.bomb("test failed", e);
140 } finally {
141 ActivationLibrary.rmidCleanup(rmid);
142 }
143 }
144 }