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/*******************************************************************************
* Copyright (c) 2015 Ericsson
*
* 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:
* Bernd Hufmann - Initial API and implementation
*******************************************************************************/
package org.eclipse.tracecompass.internal.tmf.remote.core;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.annotation.Nullable;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
/**
* The activator class controls the plug-in life cycle
*/
public final class Activator extends Plugin {
// ------------------------------------------------------------------------
// Attributes
// ------------------------------------------------------------------------
/**
* The plug-in ID
*/
public static final String PLUGIN_ID = "org.eclipse.tracecompass.tmf.remote.core"; //$NON-NLS-1$
/**
* The shared instance
*/
private static Activator fPlugin;
// ------------------------------------------------------------------------
// Constructors
// ------------------------------------------------------------------------
/**
* The constructor
*/
public Activator() {
setDefault(this);
}
// ------------------------------------------------------------------------
// Accessors
// ------------------------------------------------------------------------
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static Activator getDefault() {
return fPlugin;
}
// Sets plug-in instance
private static void setDefault(Activator plugin) {
fPlugin = plugin;
}
// ------------------------------------------------------------------------
// Operators
// ------------------------------------------------------------------------
@Override
public void start(BundleContext context) throws Exception {
super.start(context);
setDefault(this);
}
@Override
public void stop(BundleContext context) throws Exception {
setDefault(null);
super.stop(context);
}
/**
* Logs a message with severity INFO in the runtime log of the plug-in.
*
* @param message A message to log
*/
public void logInfo(String message) {
getLog().log(new Status(IStatus.INFO, PLUGIN_ID, message));
}
/**
* Logs a message and exception with severity INFO in the runtime log of the plug-in.
*
* @param message A message to log
* @param exception A exception to log
*/
public void logInfo(String message, Throwable exception) {
getLog().log(new Status(IStatus.INFO, PLUGIN_ID, message, exception));
}
/**
* Logs a message and exception with severity WARNING in the runtime log of the plug-in.
*
* @param message A message to log
*/
public void logWarning(String message) {
getLog().log(new Status(IStatus.WARNING, PLUGIN_ID, message));
}
/**
* Logs a message and exception with severity WARNING in the runtime log of the plug-in.
*
* @param message A message to log
* @param exception A exception to log
*/
public void logWarning(String message, Throwable exception) {
getLog().log(new Status(IStatus.WARNING, PLUGIN_ID, message, exception));
}
/**
* Logs a message and exception with severity ERROR in the runtime log of the plug-in.
*
* @param message A message to log
*/
public void logError(String message) {
getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, message));
}
/**
* Logs a message and exception with severity ERROR in the runtime log of the plug-in.
*
* @param message A message to log
* @param exception A exception to log
*/
public void logError(String message, Throwable exception) {
getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, message, exception));
}
/**
* Return the OSGi service with the given service interface.
*
* @param service
* service interface
* @return the specified service or null if it's not registered
*/
public static @Nullable <T> T getService(Class<T> service) {
BundleContext context = fPlugin.getBundle().getBundleContext();
ServiceReference<T> ref = context.getServiceReference(service);
return ((ref != null) ? context.getService(ref) : null);
}
}
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