jdk/src/java.base/share/classes/sun/util/locale/provider/ResourceBundleProviderSupport.java
--- a/jdk/src/java.base/share/classes/sun/util/locale/provider/ResourceBundleProviderSupport.java Mon Dec 05 15:08:24 2016 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,149 +0,0 @@
-/*
- * Copyright (c) 2015, 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. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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 sun.util.locale.provider;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.UncheckedIOException;
-import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Modifier;
-import java.lang.reflect.Module;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-import java.util.PropertyResourceBundle;
-import java.util.ResourceBundle;
-
-/**
- * ResourceBundleProviderSupport provides convenience methods for loading
- * resource bundles.
- */
-public class ResourceBundleProviderSupport {
- /**
- * Loads a {@code ResourceBundle} of the given {@code bundleName} local to
- * the given {@code module}.
- *
- * @apiNote
- * {@link Class#forName(Module, String)} does a stack-based permission check.
- * Caller of this method is responsible for doing an appropriate permission
- * on behalf of the caller before calling this method.
- *
- * @param module the module from which the {@code ResourceBundle} is loaded
- * @param bundleName the bundle name for the {@code ResourceBundle} class,
- * such as "com.example.app.MyResources_fr"
- * @return the {@code ResourceBundle}, or null if no {@code ResourceBundle} is found
- * @throws SecurityException
- * if a security manager exists, it denies loading the class given by
- * {@code bundleName} from the given {@code module}.
- * If the given module is "java.base", this method will not do security check.
- * @throws NullPointerException
- * if {@code module} or {@code bundleName) is null
- * @see Class#forName(Module, String)
- */
- public static ResourceBundle loadResourceBundle(Module module, String bundleName)
- {
- Class<?> c = Class.forName(module, bundleName);
- if (c != null && ResourceBundle.class.isAssignableFrom(c)) {
- try {
- @SuppressWarnings("unchecked")
- Class<ResourceBundle> bundleClass = (Class<ResourceBundle>) c;
- Constructor<ResourceBundle> ctor = bundleClass.getConstructor();
- if (!Modifier.isPublic(ctor.getModifiers())) {
- return null;
- }
- // java.base may not be able to read the bundleClass's module.
- PrivilegedAction<Void> pa1 = () -> { ctor.setAccessible(true); return null; };
- AccessController.doPrivileged(pa1);
- try {
- return ctor.newInstance((Object[]) null);
- } catch (InvocationTargetException e) {
- uncheckedThrow(e);
- } catch (InstantiationException | IllegalAccessException e) {
- throw new InternalError(e);
- }
- } catch (NoSuchMethodException e) {
- }
- }
- return null;
- }
-
- @SuppressWarnings("unchecked")
- private static <T extends Throwable> void uncheckedThrow(Throwable t) throws T {
- if (t != null)
- throw (T)t;
- else
- throw new Error("Unknown Exception");
- }
-
- /**
- * Loads properties of the given {@code bundleName} local to the given
- * {@code module} and returns a {@code ResourceBundle} produced from the
- * loaded properties.
- *
- * @apiNote This method is intended for internal use. Need to refactor.
- *
- * @param module the module from which the properties are loaded
- * @param bundleName the bundle name of the properties,
- * such as "com.example.app.MyResources_de"
- * @return the {@code ResourceBundle} produced from the loaded properties,
- * or null if no properties are found
- * @see PropertyResourceBundle
- */
- public static ResourceBundle loadPropertyResourceBundle(Module module, String bundleName)
- throws IOException
- {
- String resourceName = toResourceName(bundleName, "properties");
- if (resourceName == null) {
- return null;
- }
-
- PrivilegedAction<InputStream> pa = () -> {
- try {
- return module.getResourceAsStream(resourceName);
- } catch (IOException e) {
- throw new UncheckedIOException(e);
- }
- };
- try (InputStream stream = AccessController.doPrivileged(pa)) {
- if (stream != null) {
- return new PropertyResourceBundle(stream);
- } else {
- return null;
- }
- } catch (UncheckedIOException e) {
- throw e.getCause();
- }
- }
-
- private static String toResourceName(String bundleName, String suffix) {
- if (bundleName.contains("://")) {
- return null;
- }
- StringBuilder sb = new StringBuilder(bundleName.length() + 1 + suffix.length());
- sb.append(bundleName.replace('.', '/')).append('.').append(suffix);
- return sb.toString();
- }
-}