| /******************************************************************************* |
| * Copyright (c) 2012, 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: |
| * Francois Chouinard - Initial API and implementation |
| * Bernd Hufmann - Add Utility to get a OSGI service |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.internal.lttng2.control.ui; |
| |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.resource.ImageRegistry; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.tracecompass.internal.lttng2.control.ui.relayd.LttngRelaydConnectionManager; |
| import org.eclipse.tracecompass.internal.lttng2.control.ui.views.preferences.ControlPreferences; |
| import org.eclipse.ui.plugin.AbstractUIPlugin; |
| import org.osgi.framework.BundleContext; |
| |
| /** |
| * The activator class controls the plug-in life cycle |
| */ |
| public class Activator extends AbstractUIPlugin { |
| |
| // ------------------------------------------------------------------------ |
| // Attributes |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * The plug-in ID |
| */ |
| public static final String PLUGIN_ID = "org.eclipse.tracecompass.lttng2.control.ui"; //$NON-NLS-1$ |
| |
| /** |
| * The shared instance |
| */ |
| private static Activator plugin; |
| |
| // ------------------------------------------------------------------------ |
| // Constructors |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * The constructor |
| */ |
| public Activator() { |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Accessors |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Returns the shared instance |
| * |
| * @return the shared instance |
| */ |
| public static Activator getDefault() { |
| return plugin; |
| } |
| |
| // ------------------------------------------------------------------------ |
| // AbstractUIPlugin |
| // ------------------------------------------------------------------------ |
| |
| @Override |
| public void start(BundleContext context) throws Exception { |
| super.start(context); |
| plugin = this; |
| ControlPreferences.getInstance().init(getPreferenceStore()); |
| // This registers the connection manager with the signal manager |
| LttngRelaydConnectionManager.getInstance(); |
| } |
| |
| @Override |
| public void stop(BundleContext context) throws Exception { |
| ControlPreferences.getInstance().dispose(); |
| LttngRelaydConnectionManager.getInstance().dispose(); |
| plugin = null; |
| super.stop(context); |
| } |
| |
| @Override |
| protected void initializeImageRegistry(ImageRegistry reg) { |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Operations |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Gets an image object using given path within plug-in. |
| * |
| * @param path path to image file |
| * |
| * @return image object |
| */ |
| public Image getImageFromPath(String path) { |
| return getImageDescripterFromPath(path).createImage(); |
| } |
| |
| /** |
| * Gets an image descriptor using given path within plug-in. |
| * |
| * @param path path to image file |
| * |
| * @return image descriptor object |
| */ |
| public ImageDescriptor getImageDescripterFromPath(String path) { |
| return AbstractUIPlugin.imageDescriptorFromPlugin(PLUGIN_ID, path); |
| } |
| |
| /** |
| * Gets a image object from the image registry based on the given path. |
| * If the image is not in the registry it will be registered. |
| * |
| * @param path to the image file |
| * @return image object |
| */ |
| public Image getImageFromImageRegistry(String path) { |
| Image icon = getImageRegistry().get(path); |
| if (icon == null) { |
| icon = getImageDescripterFromPath(path).createImage(); |
| plugin.getImageRegistry().put(path, icon); |
| } |
| return icon; |
| } |
| |
| /** |
| * Loads the image in the plug-ins image registry (if necessary) and returns the image |
| * @param url - URL relative to the Bundle |
| * @return the image |
| */ |
| public Image loadIcon(String url) { |
| String key = plugin.getBundle().getSymbolicName() + "/" + url; //$NON-NLS-1$ |
| Image icon = plugin.getImageRegistry().get(key); |
| if (icon == null) { |
| URL imageURL = plugin.getBundle().getResource(url); |
| ImageDescriptor descriptor = ImageDescriptor.createFromURL(imageURL); |
| icon = descriptor.createImage(); |
| plugin.getImageRegistry().put(key, icon); |
| } |
| return icon; |
| } |
| |
| /** |
| * 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)); |
| } |
| } |