1 /*
2 * Copyright (c) 2008, 2016, 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 /*
25 * @test
26 * @bug 6761678 8162817
27 * @summary Check properties of Annotations returned from
28 * getParameterAnnotations, including freedom from security
29 * exceptions.
30 * @run main/othervm ParameterAnnotations
31 * @author Martin Buchholz
32 */
33
34 import java.lang.annotation.Annotation;
35 import java.lang.annotation.ElementType;
36 import java.lang.annotation.Retention;
37 import java.lang.annotation.RetentionPolicy;
38 import java.lang.annotation.Target;
39 import java.lang.reflect.Method;
40 import java.security.Permission;
41 import java.security.Policy;
42 import java.security.ProtectionDomain;
43
44 @Retention(RetentionPolicy.RUNTIME)
45 @Target({ ElementType.FIELD, ElementType.PARAMETER })
46 @interface Named {
47 String value();
48 }
49
50 public class ParameterAnnotations {
51
52 // A security policy that differs from the default only in that it
53 // allows a security manager to be uninstalled.
54 static class MyPolicy extends Policy {
55 final Policy defaultPolicy;
56 MyPolicy(Policy defaultPolicy) {
57 this.defaultPolicy = defaultPolicy;
58 }
59 public boolean implies(ProtectionDomain pd, Permission p) {
60 return p.getName().equals("setSecurityManager") ||
61 defaultPolicy.implies(pd, p);
62 }
63 }
64
65 public void nop(@Named("foo") Object foo,
66 @Named("bar") Object bar) {
67 }
68
69 void test(String[] args) throws Throwable {
70 // Test without a security manager
71 test1();
72
73 // Test with a security manager
74 Policy defaultPolicy = Policy.getPolicy();
75 Policy.setPolicy(new MyPolicy(defaultPolicy));
76 System.setSecurityManager(new SecurityManager());
77 try {
78 test1();
79 } finally {
80 System.setSecurityManager(null);
81 Policy.setPolicy(defaultPolicy);
82 }
83 }
84
85 void test1() throws Throwable {
86 for (Method m : thisClass.getMethods()) {
87 if (m.getName().equals("nop")) {
88 Annotation[][] ann = m.getParameterAnnotations();
89 equal(ann.length, 2);
90 Annotation foo = ann[0][0];
91 Annotation bar = ann[1][0];
92 equal(foo.toString(), "@Named(value=\"foo\")");
93 equal(bar.toString(), "@Named(value=\"bar\")");
94 check(foo.equals(foo));
95 check(! foo.equals(bar));
96 }
97 }
98 }
99
100 //--------------------- Infrastructure ---------------------------
101 volatile int passed = 0, failed = 0;
102 void pass() {passed++;}
103 void fail() {failed++; Thread.dumpStack();}
104 void fail(String msg) {System.err.println(msg); fail();}
105 void unexpected(Throwable t) {failed++; t.printStackTrace();}
106 void check(boolean cond) {if (cond) pass(); else fail();}
107 void equal(Object x, Object y) {
108 if (x == null ? y == null : x.equals(y)) pass();
109 else fail(x + " not equal to " + y);}
110 static Class<?> thisClass = new Object(){}.getClass().getEnclosingClass();
111 public static void main(String[] args) throws Throwable {
112 try {thisClass.getMethod("instanceMain",String[].class)
113 .invoke(thisClass.newInstance(), (Object) args);}
114 catch (Throwable e) {throw e.getCause();}}
115 public void instanceMain(String[] args) throws Throwable {
116 try {test(args);} catch (Throwable t) {unexpected(t);}
117 System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
118 if (failed > 0) throw new AssertionError("Some tests failed");}
119 }