--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/Class/forName/modules/src/m3/p3/NoAccess.java Thu Mar 17 19:04:16 2016 +0000
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+package p3;
+
+import java.io.FilePermission;
+import java.lang.module.Configuration;
+import java.lang.module.ModuleFinder;
+import java.lang.reflect.Layer;
+import java.lang.reflect.Module;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.security.AccessControlException;
+import java.security.Permission;
+import java.util.Set;
+
+public class NoAccess {
+ private static final Module M3 = NoAccess.class.getModule();
+ private static final Path MODS_DIR1 = Paths.get("mods1");
+ private static final Path MODS_DIR2 = Paths.get("mods2");
+ public static void main(String[] args) throws Exception {
+ // disable security manager until Class.forName is called.
+ SecurityManager sm = System.getSecurityManager();
+ if (sm != null) {
+ System.setSecurityManager(null);
+ }
+
+ ModuleFinder finder = ModuleFinder.of(Paths.get("mods1"), Paths.get("mods2"));
+
+ Layer bootLayer = Layer.boot();
+ Configuration parent = bootLayer.configuration();
+
+ Configuration cf = parent.resolveRequiresAndUses(finder,
+ ModuleFinder.empty(),
+ Set.of("m1", "m2"));
+
+ ClassLoader scl = ClassLoader.getSystemClassLoader();
+ Layer layer = bootLayer.defineModulesWithManyLoaders(cf, scl);
+
+ if (sm != null) {
+ System.setSecurityManager(sm);
+ }
+
+ Module m1 = bootLayer.findModule("m1").get();
+ Module m2 = bootLayer.findModule("m2").get();
+ Module m3 = bootLayer.findModule("m3").get();
+
+ findClass(m1, "p1.internal.B");
+ findClass(m2, "p2.C");
+ findClass(m3, "p3.internal.Foo");
+
+ // permissions granted
+ findClass(m1, "p1.A");
+ findClass(m1, "p1.internal.B");
+ findClass(m2, "p2.C");
+ findClass(m3, "p3.internal.Foo");
+
+
+ // m1 and m2 from a different layer
+ m1 = layer.findModule("m1").get();
+ m2 = layer.findModule("m2").get();
+ m3 = layer.findModule("m3").get();
+
+ findClass(m1, "p1.A");
+ findClass(m3, "p3.internal.Foo");
+
+ // no permission
+ Path path = MODS_DIR1.resolve("p1").resolve("internal").resolve("B.class");
+ findClass(m1, "p1.internal.B", new FilePermission(path.toString(), "read"));
+ path = MODS_DIR2.resolve("p2").resolve("C.class");
+ findClass(m2, "p2.C", new FilePermission(path.toString(), "read"));
+ }
+
+ static Class<?> findClass(Module module, String cn) {
+ return findClass(module, cn, null);
+ }
+
+ static Class<?> findClass(Module module, String cn, Permission perm) {
+ try {
+ Class<?> c = Class.forName(module, cn);
+ if (c == null) {
+ throw new RuntimeException(cn + " not found in " + module);
+ }
+ if (c.getModule() != module) {
+ throw new RuntimeException(c.getModule() + " != " + module);
+ }
+ return c;
+ } catch (AccessControlException e) {
+ if (e.getPermission().equals(perm))
+ return null;
+ throw e;
+ }
+ }
+}