| /* |
| * Copyright (c) 1997, 2017, 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 com.sun.istack.internal.localization; |
| |
| import java.text.MessageFormat; |
| import java.util.HashMap; |
| import java.util.Locale; |
| import java.util.MissingResourceException; |
| import java.util.ResourceBundle; |
| |
| /** |
| * Localizes the {@link Localizable} into a message |
| * by using a configured {@link Locale}. |
| * |
| * @author WS Development Team |
| */ |
| public class Localizer { |
| |
| private final Locale _locale; |
| private final HashMap<String, ResourceBundle> _resourceBundles; |
| |
| public Localizer() { |
| this(Locale.getDefault()); |
| } |
| |
| public Localizer(Locale l) { |
| _locale = l; |
| _resourceBundles = new HashMap<>(); |
| } |
| |
| public Locale getLocale() { |
| return _locale; |
| } |
| |
| public String localize(Localizable l) { |
| String key = l.getKey(); |
| if (key == Localizable.NOT_LOCALIZABLE) { |
| // this message is not localizable |
| return (String) l.getArguments()[0]; |
| } |
| |
| String bundlename = l.getResourceBundleName(); |
| |
| try { |
| ResourceBundle bundle = |
| (ResourceBundle) _resourceBundles.get(bundlename); |
| |
| if (bundle == null) { |
| bundle = l.getResourceBundle(_locale); |
| if (bundle != null) { |
| _resourceBundles.put(bundlename, bundle); |
| } |
| } |
| |
| if (bundle == null) { |
| try { |
| bundle = ResourceBundle.getBundle(bundlename, _locale); |
| } catch (MissingResourceException e) { |
| // work around a bug in the com.sun.enterprise.deployment.WebBundleArchivist: |
| // all files with an extension different from .class (hence all the .properties files) |
| // get copied to the top level directory instead of being in the package where they |
| // are defined |
| // so, since we can't find the bundle under its proper name, we look for it under |
| // the top-level package |
| |
| int i = bundlename.lastIndexOf('.'); |
| if (i != -1) { |
| String alternateBundleName = |
| bundlename.substring(i + 1); |
| try { |
| bundle = |
| ResourceBundle.getBundle( |
| alternateBundleName, |
| _locale); |
| } catch (MissingResourceException e2) { |
| //try context classloader |
| try { |
| bundle = ResourceBundle.getBundle(bundlename, _locale, Thread.currentThread().getContextClassLoader()); |
| } catch (MissingResourceException e3) { |
| // give up |
| return getDefaultMessage(l); |
| } |
| |
| } |
| } |
| } |
| |
| _resourceBundles.put(bundlename, bundle); |
| } |
| |
| if (bundle == null) { |
| return getDefaultMessage(l); |
| } |
| |
| if (key == null) |
| key = "undefined"; |
| |
| String msg; |
| try { |
| msg = bundle.getString(key); |
| } catch (MissingResourceException e) { |
| // notice that this may throw a MissingResourceException of its own (caught below) |
| msg = bundle.getString("undefined"); |
| } |
| |
| // localize all arguments to the given localizable object |
| Object[] args = l.getArguments(); |
| for (int i = 0; i < args.length; ++i) { |
| if (args[i] instanceof Localizable) |
| args[i] = localize((Localizable) args[i]); |
| } |
| |
| String message = MessageFormat.format(msg, args); |
| return message; |
| |
| } catch (MissingResourceException e) { |
| return getDefaultMessage(l); |
| } |
| |
| } |
| |
| private String getDefaultMessage(Localizable l) { |
| String key = l.getKey(); |
| Object[] args = l.getArguments(); |
| StringBuilder sb = new StringBuilder(); |
| sb.append("[failed to localize] "); |
| sb.append(key); |
| if (args != null) { |
| sb.append('('); |
| for (int i = 0; i < args.length; ++i) { |
| if (i != 0) |
| sb.append(", "); |
| sb.append(String.valueOf(args[i])); |
| } |
| sb.append(')'); |
| } |
| return sb.toString(); |
| } |
| } |