tracetypes/org.eclipse.tracecompass.incubator.ros.ui/src/org/eclipse/tracecompass/incubator/internal/ros/ui/Activator.java

/*******************************************************************************
 * Copyright (c) 2018 Ericsson, École Polytechnique de Montréal
 *
 * 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
 *******************************************************************************/

package org.eclipse.tracecompass.incubator.internal.ros.ui;

import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.jface.resource.ImageDescriptor;
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 {

    /** The plugin ID */
    public static final String PLUGIN_ID = "org.eclipse.tracecompass.incubator.ros.ui"; //$NON-NLS-1$

    // The shared instance
    private static @Nullable Activator plugin;

    /**
     * The constructor
     */
    public Activator() {
    }

    @Override
    public void start(@Nullable BundleContext context) throws Exception {
        super.start(context);
        plugin = this;
    }

    @Override
    public void stop(@Nullable BundleContext context) throws Exception {
        plugin = null;
        super.stop(context);
    }

    /**
     * Returns the shared instance
     *
     * @return the shared instance
     */
    public static @Nullable Activator getDefault() {
        return plugin;
    }

    /**
     * Get the ImageDescriptor from a given path
     *
     * @param path
     *            The path to the image file
     * @return The ImageDescriptor object
     */
    public @Nullable ImageDescriptor getImageDescripterFromPath(String path) {
        return AbstractUIPlugin.imageDescriptorFromPlugin(PLUGIN_ID, path);
    }
}