jdk/test/java/util/logging/bundlesearch/IndirectlyLoadABundle.java
changeset 17159 bb566a21b661
child 17487 77566e5979d1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/util/logging/bundlesearch/IndirectlyLoadABundle.java	Thu Apr 18 16:33:11 2013 -0400
@@ -0,0 +1,92 @@
+/*
+ * 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;
+import java.nio.file.Paths;
+
+/**
+ * This class is used to ensure that a resource bundle loadable by a classloader
+ * is on the caller's stack, but not on the classpath or TCCL to ensure that
+ * Logger.getLogger() can't load the bundle via a stack search
+ *
+ * @author Jim Gish
+ */
+public class IndirectlyLoadABundle {
+
+    private final static String rbName = "StackSearchableResource";
+
+    public boolean loadAndTest() throws Throwable {
+        // Find out where we are running from so we can setup the URLClassLoader URLs
+        // test.src and test.classes will be set if running in jtreg, but probably
+        // not otherwise
+        String testDir = System.getProperty("test.src", System.getProperty("user.dir"));
+        String testClassesDir = System.getProperty("test.classes",
+                System.getProperty("user.dir"));
+        String sep = System.getProperty("file.separator");
+
+        URL[] urls = new URL[2];
+
+        // Allow for both jtreg and standalone cases here
+        urls[0] = Paths.get(testDir, "resources").toUri().toURL();
+        urls[1] = Paths.get(testClassesDir).toUri().toURL();
+
+        System.out.println("INFO: urls[0] = " + urls[0]);
+        System.out.println("INFO: urls[1] = " + urls[1]);
+
+        // Make sure we can find it via the URLClassLoader
+        URLClassLoader yetAnotherResourceCL = new URLClassLoader(urls, null);
+        if (!testForValidResourceSetup(yetAnotherResourceCL)) {
+            throw new Exception("Couldn't directly load bundle " + rbName
+                    + " as expected. Test config problem");
+        }
+        // But it shouldn't be available via the system classloader
+        ClassLoader myCL = this.getClass().getClassLoader();
+        if (testForValidResourceSetup(myCL)) {
+            throw new Exception("Was able to directly load bundle " + rbName
+                    + " from " + myCL + " but shouldn't have been"
+                    + " able to. Test config problem");
+        }
+
+        Class<?> loadItUpClazz = Class.forName("LoadItUp", true, yetAnotherResourceCL);
+        ClassLoader actual = loadItUpClazz.getClassLoader();
+        if (actual != yetAnotherResourceCL) {
+            throw new Exception("LoadItUp was loaded by an unexpected CL: " + actual);
+        }
+        Object loadItUp = loadItUpClazz.newInstance();
+        Method testMethod = loadItUpClazz.getMethod("test", String.class);
+        try {
+            return (Boolean) testMethod.invoke(loadItUp, rbName);
+        } catch (InvocationTargetException ex) {
+            throw ex.getTargetException();
+        }
+    }
+
+    private boolean testForValidResourceSetup(ClassLoader cl) {
+        // First make sure the test environment is setup properly and the bundle actually
+        // exists
+        return ResourceBundleSearchTest.isOnClassPath(rbName, cl);
+    }
+}