| /* |
| * Copyright (c) 2004, 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. |
| */ |
| |
| /** |
| * @test |
| * @bug 5008856 5023573 5024917 5062569 7172176 |
| * @summary 'missing resource key' error for key = "Operating system" |
| * |
| * @modules jdk.jconsole/sun.tools.jconsole |
| * jdk.jconsole/sun.tools.jconsole.resources:open |
| * |
| * @run main ResourceCheckTest |
| */ |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Modifier; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.ResourceBundle; |
| |
| import sun.tools.jconsole.Messages; |
| import sun.tools.jconsole.Resources; |
| |
| /* |
| * Ensures that there is a one-to-one mapping between constants in the |
| * Message class and the keys in the sun.tools.jconsole.resources.messages |
| * bundle. |
| * |
| * An error will be thrown if there is a: |
| * |
| * - key in the resource bundle that doesn't have a public static field with |
| * the same name in the Message class. |
| * |
| * - public static field in the Message class that doesn't have a key with |
| * the same name in the resource bundle. |
| * |
| * - message with a mnemonic identifier(&) for which a mnemonic can't |
| * be looked up using Resources#getMnemonicInt(). |
| * |
| */ |
| public class ResourceCheckTest { |
| private static final String MISSING_RESOURCE_KEY_PREFIX = "missing message for"; |
| private static final String RESOURCE_BUNDLE = "sun.tools.jconsole.resources.messages"; |
| private static final String NEW_LINE = String.format("%n"); |
| |
| public static void main(String... args) { |
| List<String> errors = new ArrayList<>(); |
| // Ensure that all Message fields have a corresponding key/value |
| // in the resource bundle and that mnemonics can be looked |
| // up where applicable. |
| Module module = sun.tools.jconsole.Messages.class.getModule(); |
| ResourceBundle rb = ResourceBundle.getBundle(RESOURCE_BUNDLE, module); |
| for (Field field : Messages.class.getFields()) { |
| if (isResourceKeyField(field)) { |
| String resourceKey = field.getName(); |
| String message = readField(field); |
| if (message.startsWith(MISSING_RESOURCE_KEY_PREFIX)) { |
| errors.add("Can't find message (and perhaps mnemonic) for " |
| + Messages.class.getSimpleName() + "." |
| + resourceKey + " in resource bundle."); |
| } else { |
| String resourceMessage = rb.getString(resourceKey); |
| if (hasMnemonicIdentifier(resourceMessage)) { |
| int mi = Resources.getMnemonicInt(message); |
| if (mi == 0) { |
| errors.add("Could not look up mnemonic for message '" |
| + message + "'."); |
| } |
| } |
| } |
| } |
| } |
| |
| // Ensure that there is Message class field for every resource key. |
| for (String key : Collections.list(rb.getKeys())) { |
| try { |
| Messages.class.getField(key); |
| } catch (NoSuchFieldException nfe) { |
| errors.add("Can't find static field (" |
| + Messages.class.getSimpleName() + "." + key |
| + ") matching '" + key |
| + "' in resource bundle. Unused message?"); |
| } |
| } |
| |
| if (errors.size() > 0) { |
| throwError(errors); |
| } |
| } |
| |
| private static String readField(Field field) { |
| try { |
| return (String) field.get(null); |
| } catch (IllegalArgumentException | IllegalAccessException e) { |
| throw new Error("Could not access field " + field.getName() |
| + " when trying to read resource message."); |
| } |
| } |
| |
| private static boolean isResourceKeyField(Field field) { |
| int modifiers = field.getModifiers(); |
| return Modifier.isPublic(modifiers) && Modifier.isStatic(modifiers); |
| } |
| |
| private static boolean hasMnemonicIdentifier(String s) { |
| for (int i = 0; i < s.length() - 1; i++) { |
| if (s.charAt(i) == '&') { |
| if (s.charAt(i + 1) != '&') { |
| return true; |
| } else { |
| i++; |
| } |
| } |
| } |
| return false; |
| } |
| |
| private static void throwError(List<String> errors) { |
| StringBuffer buffer = new StringBuffer(); |
| buffer.append("Found "); |
| buffer.append(errors.size()); |
| buffer.append(" error(s) when checking one-to-one mapping "); |
| buffer.append("between Message and resource bundle keys in "); |
| buffer.append(RESOURCE_BUNDLE); |
| buffer.append(" with "); |
| buffer.append(Locale.getDefault()); |
| buffer.append(" locale."); |
| buffer.append(NEW_LINE); |
| int errorIndex = 1; |
| for (String error : errors) { |
| buffer.append("Error "); |
| buffer.append(errorIndex); |
| buffer.append(": "); |
| buffer.append(error); |
| buffer.append(NEW_LINE); |
| errorIndex++; |
| } |
| throw new Error(buffer.toString()); |
| } |
| } |