| package org.eclipse.ecf.internal.storage; |
| |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.ecf.core.util.*; |
| import org.eclipse.ecf.storage.IContainerStore; |
| import org.eclipse.ecf.storage.IIDStore; |
| import org.osgi.framework.BundleActivator; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.service.log.LogService; |
| import org.osgi.util.tracker.ServiceTracker; |
| |
| /** |
| * The activator class controls the plug-in life cycle |
| */ |
| public class Activator implements BundleActivator { |
| |
| // The plug-in ID |
| public static final String PLUGIN_ID = "org.eclipse.ecf.storage"; //$NON-NLS-1$ |
| |
| // The shared instance |
| private static Activator plugin; |
| |
| private ServiceTracker logServiceTracker = null; |
| |
| private LogService logService = null; |
| |
| private BundleContext context = null; |
| |
| private ServiceTracker adapterManagerTracker = null; |
| |
| /** |
| * The constructor |
| */ |
| public Activator() { |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext) |
| */ |
| public void start(BundleContext context) throws Exception { |
| plugin = this; |
| this.context = context; |
| IDStore idStore = new IDStore(); |
| ContainerStore containerStore = new ContainerStore(idStore); |
| context.registerService(IIDStore.class.getName(), idStore, null); |
| context.registerService(IContainerStore.class.getName(), containerStore, null); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext) |
| */ |
| public void stop(BundleContext context) throws Exception { |
| if (logServiceTracker != null) { |
| logServiceTracker.close(); |
| logServiceTracker = null; |
| logService = null; |
| } |
| if (adapterManagerTracker != null) { |
| adapterManagerTracker.close(); |
| adapterManagerTracker = null; |
| } |
| context = null; |
| plugin = null; |
| } |
| |
| /** |
| * Returns the shared instance |
| * |
| * @return the shared instance |
| */ |
| public static Activator getDefault() { |
| return plugin; |
| } |
| |
| public LogService getLogService() { |
| if (logServiceTracker == null) { |
| logServiceTracker = new ServiceTracker(this.context, LogService.class.getName(), null); |
| logServiceTracker.open(); |
| } |
| logService = (LogService) logServiceTracker.getService(); |
| if (logService == null) |
| logService = new SystemLogService(PLUGIN_ID); |
| return logService; |
| } |
| |
| public IAdapterManager getAdapterManager() { |
| // First, try to get the adapter manager via |
| if (adapterManagerTracker == null) { |
| adapterManagerTracker = new ServiceTracker(this.context, IAdapterManager.class.getName(), null); |
| adapterManagerTracker.open(); |
| } |
| IAdapterManager adapterManager = (IAdapterManager) adapterManagerTracker.getService(); |
| // Then, if the service isn't there, try to get from Platform class via |
| // PlatformHelper class |
| if (adapterManager == null) |
| adapterManager = PlatformHelper.getPlatformAdapterManager(); |
| if (adapterManager == null) |
| getDefault().log(new Status(IStatus.ERROR, PLUGIN_ID, IStatus.ERROR, "Cannot get adapter manager", null)); //$NON-NLS-1$ |
| return adapterManager; |
| } |
| |
| public void log(IStatus status) { |
| if (logService == null) |
| logService = getLogService(); |
| |
| if (logService != null) |
| logService.log(LogHelper.getLogCode(status), LogHelper.getLogMessage(status), status.getException()); |
| } |
| |
| } |