1/*
2 * Copyright (c) 2015, 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
24package jdk.test;
25
26import jdk.test.internal.*;
27import jdk.test.internal.foo.*;
28import p.two.Bar;
29import p.three.P;
30
31import java.lang.reflect.InvocationHandler;
32import java.lang.reflect.Method;
33import java.lang.reflect.Proxy;
34import java.net.URL;
35import java.net.URLClassLoader;
36
37/**
38 * Test proxy class to have access to types referenced in the public methods.
39 */
40public class ProxyClassAccess {
41    public static void main(String... args) throws Exception {
42        testImplClass();
43        testProxyClass1();
44        testProxyClass2();
45        testNonPublicProxy();
46    }
47
48    /*
49     * Invoke methods from implementation class
50     */
51    static void testImplClass() {
52        R impl = new RImpl();
53        impl.foo();
54        Bar[][] bars = new Bar[0][0];
55        impl.setBarArray(bars);
56        try {
57            impl.throwException();
58            throw new RuntimeException("FooException not thrown");
59        } catch (FooException e) { }
60    }
61
62    /*
63     * Invoke methods via proxy
64     */
65    static void testProxyClass1() {
66        R proxy = (R) Proxy.newProxyInstance(R.class.getClassLoader(),
67                                             new Class<?>[] { R.class }, handler);
68        proxy.foo();
69        Bar[][] bars = new Bar[0][0];
70        proxy.setBarArray(bars);
71    }
72
73    /*
74     * Invoke methods via proxy defined with a custom class loader
75     */
76    static void testProxyClass2() {
77        URLClassLoader loader = new URLClassLoader(new URL[0]);
78        P proxy = (P) Proxy.newProxyInstance(loader,
79                new Class<?>[] { R.class, P.class }, handler);
80        proxy.bar();
81        proxy.barArrays();
82    }
83
84    static void testNonPublicProxy() {
85        NP proxy = (NP) Proxy.newProxyInstance(NP.class.getClassLoader(),
86                                               new Class<?>[]{NP.class}, handler);
87        proxy.test();
88
89        try {
90            URLClassLoader loader = new URLClassLoader(new URL[0]);
91            proxy = (NP) Proxy.newProxyInstance(loader,
92                    new Class<?>[]{NP.class}, handler);
93            throw new RuntimeException("IllegalArgumentException not thrown");
94        } catch (IllegalArgumentException e) {
95        }
96    }
97
98    static InvocationHandler handler = new InvocationHandler() {
99        final R impl = new RImpl();
100        @Override
101        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
102            if (method.getDeclaringClass() == R.class) {
103                return method.invoke(impl, args);
104            } else {
105                return null;
106            }
107        }
108    };
109}
110