| /******************************************************************************* |
| * Copyright (c) 2010, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.equinox.bidi.internal; |
| |
| import java.util.Locale; |
| import org.eclipse.osgi.framework.log.FrameworkLog; |
| import org.eclipse.osgi.framework.log.FrameworkLogEntry; |
| import org.eclipse.osgi.service.localization.LocaleProvider; |
| import org.osgi.framework.*; |
| import org.osgi.util.tracker.ServiceTracker; |
| |
| public class BidiComplexActivator implements BundleActivator { |
| |
| private ServiceTracker logTracker = null; |
| private BundleContext bundleContext; |
| private static BidiComplexActivator instance; |
| |
| public BidiComplexActivator() { |
| instance = this; // there is only one bundle activator |
| } |
| |
| public void start(BundleContext context) throws Exception { |
| bundleContext = context; |
| instance = this; |
| } |
| |
| public void stop(BundleContext context) throws Exception { |
| if (logTracker != null) { |
| logTracker.close(); |
| logTracker = null; |
| } |
| bundleContext = null; |
| } |
| |
| public static BidiComplexActivator getInstance() { |
| return instance; |
| } |
| |
| public String getProperty(String key) { |
| return bundleContext.getProperty(key); |
| } |
| |
| public Locale getDefaultLocale() { |
| // use OSGi service |
| ServiceReference[] references = null; |
| try { |
| references = bundleContext.getAllServiceReferences(null, LocaleProvider.class.getName()); |
| } catch (InvalidSyntaxException e) { |
| // do nothing |
| } |
| if (references == null || references.length < 1) |
| return Locale.getDefault(); |
| Object service = bundleContext.getService(references[0]); |
| LocaleProvider localeProvider = (LocaleProvider) service; |
| if (localeProvider != null) { |
| Locale currentLocale = localeProvider.getLocale(); |
| bundleContext.ungetService(references[0]); |
| if (currentLocale != null) |
| return currentLocale; |
| } |
| return Locale.getDefault(); |
| } |
| |
| private FrameworkLog getFrameworkLog() { |
| if (logTracker == null) { |
| logTracker = new ServiceTracker(bundleContext, FrameworkLog.class.getName(), null); |
| logTracker.open(); |
| } |
| return (FrameworkLog) logTracker.getService(); |
| } |
| |
| static public void logError(String message, Exception e) { |
| FrameworkLog frameworkLog = instance.getFrameworkLog(); |
| if (frameworkLog != null) { |
| frameworkLog.log(new FrameworkLogEntry("org.eclipse.equinox.bidi", FrameworkLogEntry.ERROR, 1, message, 0, e, null)); //$NON-NLS-1$ |
| return; |
| } |
| System.err.println(message); |
| if (e != null) |
| e.printStackTrace(); |
| } |
| |
| } |