| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.uima.internal.util; |
| |
| import java.text.MessageFormat; |
| import java.util.Locale; |
| import java.util.ResourceBundle; |
| |
| /** |
| * Internationaliation utilities. |
| * |
| * Static methods only |
| * |
| */ |
| public class I18nUtil { |
| /** |
| * Localize a message to the default Locale. |
| * |
| * @param aResourceBundleName |
| * base name of resource bundle |
| * @param aMessageKey |
| * key of message to localize |
| * @param aArguments |
| * arguments to message (may be null if none) |
| * |
| * @return localized message. If an exception occurs, returns "MESSAGE LOCALIZATION FAILED:" |
| * followed by the exception message. |
| */ |
| public static String localizeMessage(String aResourceBundleName, String aMessageKey, |
| Object[] aArguments) { |
| return localizeMessage(aResourceBundleName, Locale.getDefault(), aMessageKey, aArguments, null); |
| } |
| |
| /** |
| * Localize a message to the default Locale. |
| * |
| * @param aResourceBundleName |
| * base name of resource bundle |
| * @param aMessageKey |
| * key of message to localize |
| * @param aArguments |
| * arguments to message (may be null if none) |
| * @param aLoader |
| * ClassLoader to use to load the resource bundle. If null, the ClassLoader that loased |
| * <code>I18nUtil</code> is used. |
| * |
| * @return localized message. If an exception occurs, returns "MESSAGE LOCALIZATION FAILED:" |
| * followed by the exception message. |
| */ |
| public static String localizeMessage(String aResourceBundleName, String aMessageKey, |
| Object[] aArguments, ClassLoader aLoader) { |
| return localizeMessage(aResourceBundleName, Locale.getDefault(), aMessageKey, aArguments, |
| aLoader); |
| } |
| |
| /** |
| * Localize a message to a specified Locale. |
| * |
| * @param aResourceBundleName |
| * base name of resource bundle |
| * @param aLocale |
| * locale to which to localize |
| * @param aMessageKey |
| * key of message to localize |
| * @param aArguments |
| * arguments to message (may be null if none) |
| * |
| * @return localized message. If an exception occurs, returns "MESSAGE LOCALIZATION FAILED:" |
| * followed by the exception message. |
| */ |
| public static String localizeMessage(String aResourceBundleName, Locale aLocale, |
| String aMessageKey, Object[] aArguments) { |
| return localizeMessage(aResourceBundleName, aLocale, aMessageKey, aArguments, null); |
| } |
| |
| /** |
| * Localize a message to a specified Locale. |
| * |
| * @param aResourceBundleName |
| * base name of resource bundle |
| * @param aLocale |
| * locale to which to localize |
| * @param aMessageKey |
| * key of message to localize |
| * @param aArguments |
| * arguments to message (may be null if none) |
| * @param aLoader |
| * ClassLoader to use to load the resource bundle. If null, the ClassLoader that loased |
| * <code>I18nUtil</code> is used. |
| * |
| * @return localized message. If an exception occurs, returns "MESSAGE LOCALIZATION FAILED:" |
| * followed by the exception message. |
| */ |
| public static String localizeMessage(String aResourceBundleName, Locale aLocale, |
| String aMessageKey, Object[] aArguments, ClassLoader aLoader) { |
| try { |
| ResourceBundle bundle = resolveResourceBundle(aResourceBundleName, aLocale, aLoader); |
| return localizeMessage(bundle, aLocale, aMessageKey, aArguments); |
| } catch (Exception e) { |
| return "MESSAGE LOCALIZATION FAILED: " + e.getMessage(); |
| } |
| } |
| |
| public static ResourceBundle resolveResourceBundle(String aResourceBundleName, Locale aLocale, ClassLoader aLoader) { |
| if (aLoader == null) { |
| aLoader = MsgLocalizationClassLoader.getMsgLocalizationClassLoader(); |
| } |
| // locate the resource bundle for this exception's messages |
| return ResourceBundle.getBundle(aResourceBundleName, aLocale, aLoader); |
| } |
| |
| /** |
| * Localize a message to a specified Locale. |
| * |
| * @param aResourceBundle |
| * the resource bundle to use to resolve message keys |
| * @param aLocale |
| * locale to which to localize |
| * @param aMessageKey |
| * key of message to localize |
| * @param aArguments |
| * arguments to message (may be null if none) |
| * |
| * @return localized message. If an exception occurs, returns "MESSAGE LOCALIZATION FAILED:" |
| * followed by the exception message. |
| */ |
| public static String localizeMessage(ResourceBundle bundle, Locale aLocale, String aMessageKey, Object[] aArguments) { |
| try { |
| String message = bundle.getString(aMessageKey); |
| // if arguments exist, use MessageFormat to include them |
| if (aArguments != null && aArguments.length > 0) { |
| MessageFormat fmt = new MessageFormat(message); |
| fmt.setLocale(aLocale); |
| return fmt.format(aArguments); |
| } else |
| return message; |
| } catch (Exception e) { |
| return "MESSAGE LOCALIZATION FAILED: " + e.getMessage(); |
| } |
| } |
| |
| public static void setTccl(ClassLoader tccl) { |
| MsgLocalizationClassLoader.CallClimbingClassLoader.originalTccl.set(tccl); |
| } |
| |
| public static void removeTccl() { |
| MsgLocalizationClassLoader.CallClimbingClassLoader.originalTccl.remove(); |
| } |
| |
| } |