eu.numberfour.n4js.product.N4ProductActivator.java Source code

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Here is the source code for eu.numberfour.n4js.product.N4ProductActivator.java

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/**
 * Copyright (c) 2016 NumberFour AG.
 * 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:
 *   NumberFour AG - Initial API and implementation
 */
package eu.numberfour.n4js.product;

import static org.eclipse.core.runtime.IStatus.ERROR;

import org.eclipse.core.runtime.Status;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

import com.google.common.base.Strings;

/**
 * The activator class controls the plug-in life cycle.
 */
public class N4ProductActivator extends AbstractUIPlugin {

    /**
     * The unique ID of the N4JS IDE product activator. <br>
     * {@value}
     */
    public static final String PLUGIN_ID = "eu.numberfour.n4js.product"; //$NON-NLS-1$

    // The shared instance
    private static N4ProductActivator plugin;

    /**
     * Sole constructor.
     */
    public N4ProductActivator() {
    }

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

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

    /**
     * Returns the shared instance.
     *
     * @return the shared instance.
     */
    public static N4ProductActivator getDefault() {
        return plugin;
    }

    /**
     * Returns an image descriptor for the image file at the given plug-in relative path.
     *
     * @param path
     *            the path.
     * @return the image descriptor.
     */
    public static ImageDescriptor getImageDescriptor(final String path) {
        return imageDescriptorFromPlugin(PLUGIN_ID, path);
    }

    /**
     * Logs the given message and throwable to the platform log.
     *
     * @param message
     *            A high level UI message describing when the problem happened.
     * @param t
     *            The throwable from where the problem actually occurred.
     */
    public static void log(final String message, final Throwable t) {
        getDefault().getLog().log(new Status(ERROR, PLUGIN_ID, Strings.nullToEmpty(message), t));
    }
}