| /******************************************************************************* |
| * Copyright (c) 2011-2013 EclipseSource Muenchen GmbH and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Eugen Neufeld - initial API and implementation |
| * |
| *******************************************************************************/ |
| package org.eclipse.emf.ecp.ui.platform; |
| |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.FileLocator; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.swt.graphics.Image; |
| 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 plug-in ID. */ |
| public static final String PLUGIN_ID = "org.eclipse.emf.ecp.ui.e3"; //$NON-NLS-1$ |
| |
| // The shared instance |
| private static Activator instance; |
| |
| /** |
| * The constructor. |
| */ |
| public Activator() { |
| } |
| |
| // BEGIN SUPRESS CATCH EXCEPTION |
| @Override |
| public void start(BundleContext context) throws Exception { |
| super.start(context); |
| instance = this; |
| |
| } |
| |
| @Override |
| public void stop(BundleContext context) throws Exception { |
| instance = null; |
| super.stop(context); |
| } |
| |
| // END SUPRESS CATCH EXCEPTION |
| /** |
| * Returns the shared instance. |
| * |
| * @return the shared instance |
| */ |
| public static Activator getDefault() { |
| return instance; |
| } |
| |
| /** |
| * Logs messages. |
| * |
| * @param message the message |
| */ |
| public static void log(String message) { |
| instance.getLog().log(new Status(IStatus.INFO, PLUGIN_ID, message)); |
| } |
| |
| /** |
| * Logs messages and {@link Throwable}. |
| * |
| * @param message the message |
| * @param t the throwable |
| */ |
| public static void log(String message, Throwable t) { |
| if (t instanceof CoreException) { |
| final CoreException coreException = (CoreException) t; |
| instance.getLog().log(coreException.getStatus()); |
| } else { |
| instance.getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, message, t)); |
| } |
| } |
| |
| /** |
| * Logs {@link IStatus}. |
| * |
| * @param status the {@link IStatus} |
| */ |
| public static void log(IStatus status) { |
| instance.getLog().log(status); |
| } |
| |
| /** |
| * Logs {@link Throwable}. |
| * |
| * @param t the {@link Throwable} |
| * @return the message of the created status |
| */ |
| public static String log(Throwable t) { |
| final IStatus status = getStatus(t); |
| log(status); |
| return status.getMessage(); |
| } |
| |
| /** |
| * Gets a {@link IStatus} for a throwable. |
| * |
| * @param t the {@link Throwable} |
| * @return the created {@link IStatus} |
| */ |
| public static IStatus getStatus(Throwable t) { |
| if (t instanceof CoreException) { |
| final CoreException coreException = (CoreException) t; |
| return coreException.getStatus(); |
| } |
| |
| String msg = t.getLocalizedMessage(); |
| if (msg == null || msg.length() == 0) { |
| msg = t.getClass().getName(); |
| } |
| |
| return new Status(IStatus.ERROR, PLUGIN_ID, msg, t); |
| } |
| |
| /** |
| * Returns an {@link ImageDescriptor} for a path. |
| * |
| * @param path the path to an image |
| * @return the {@link ImageDescriptor} |
| */ |
| public static ImageDescriptor getImageDescriptor(String path) { |
| // return ResourceManager.getPluginImageDescriptor(PLUGIN_ID, path); |
| ImageDescriptor id = getDefault().getImageRegistry().getDescriptor(path); |
| if (id == null) { |
| id = loadImageDescriptor(path); |
| } |
| return id; |
| } |
| |
| /** |
| * Gets an {@link Image} for a path. |
| * |
| * @param path the path to an image |
| * @return the image |
| */ |
| public static Image getImage(String path) { |
| Image image = getDefault().getImageRegistry().get(path); |
| if (image == null) { |
| image = loadImage(path); |
| } |
| return image; |
| } |
| |
| private static Image loadImage(String path) { |
| final ImageDescriptor id = loadImageDescriptor(path); |
| if (id == null) { |
| return null; |
| } |
| getDefault().getImageRegistry().put(path, id); |
| return getDefault().getImageRegistry().get(path); |
| } |
| |
| private static ImageDescriptor loadImageDescriptor(String path) { |
| final URL url = FileLocator.find(Platform.getBundle(PLUGIN_ID), new Path(path), null); |
| if (url == null) { |
| return null; |
| } |
| final ImageDescriptor imageDescriptor = ImageDescriptor.createFromURL(url); |
| getDefault().getImageRegistry().put(path, imageDescriptor); |
| return imageDescriptor; |
| } |
| } |