Java tutorial
/******************************************************************************* * Copyright (c) 2014 - 2016 Andre Bossert. * 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: * Andre Bossert - initial API and implementation and/or initial documentation *******************************************************************************/ package de.anbos.eclipse.easyshell.plugin; import java.net.URL; import java.text.MessageFormat; import java.util.MissingResourceException; import java.util.ResourceBundle; import org.eclipse.core.runtime.FileLocator; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.Platform; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.preferences.InstanceScope; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.resource.ImageRegistry; import org.eclipse.ui.plugin.AbstractUIPlugin; import org.eclipse.ui.preferences.ScopedPreferenceStore; import org.osgi.framework.Bundle; import org.osgi.framework.BundleContext; import de.anbos.eclipse.easyshell.plugin.misc.Utils; import de.anbos.eclipse.easyshell.plugin.types.Category; import de.anbos.eclipse.easyshell.plugin.types.Debug; import de.anbos.eclipse.easyshell.plugin.types.OS; import de.anbos.eclipse.easyshell.plugin.types.Version; /** * The activator class controls the plug-in life cycle */ public class Activator extends AbstractUIPlugin { // The shared instance private static Activator plugin; //Resource bundle. private ResourceBundle resourceBundle; /** * Storage for preferences. */ private IPreferenceStore myPreferenceStore; /** * The constructor */ public Activator() { } /* * (non-Javadoc) * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext) */ public void start(BundleContext context) throws Exception { super.start(context); plugin = this; try { //resourceBundle = Platform.getResourceBundle(context.getBundle()); resourceBundle = ResourceBundle.getBundle(Constants.PLUGIN_ID + ".UIMessages"); //$NON-NLS-1$ } catch (MissingResourceException x) { resourceBundle = null; } getImageRegistry(); } /* * (non-Javadoc) * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext) */ public void stop(BundleContext context) throws Exception { plugin = null; super.stop(context); } /** * Returns the shared instance * * @return the shared instance */ public static Activator 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(String path) { return imageDescriptorFromPlugin(Constants.PLUGIN_ID, path); } */ public static ImageDescriptor getImageDescriptor(String id) { return getDefault().getImageRegistry().getDescriptor(id); } protected void initializeImageRegistry(ImageRegistry registry) { Bundle bundle = Platform.getBundle(Constants.PLUGIN_ID); OS os = Utils.getOS(); for (String iconName : Category.getIconsAsList()) { String iconPath = Constants.IMAGE_PATH + os.getId() + "/" + iconName; URL url = bundle.getEntry(iconPath); if (url == null) { iconPath = Constants.IMAGE_PATH + iconName; } addImageToRegistry(registry, bundle, iconPath, iconName); } addImageToRegistry(registry, bundle, Constants.IMAGE_PATH + Constants.IMAGE_EASYSHELL, Constants.IMAGE_EASYSHELL); } protected void addImageToRegistry(ImageRegistry registry, Bundle bundle, String imagePath, String image_id) { IPath path = new Path(imagePath); URL url = FileLocator.find(bundle, path, null); ImageDescriptor desc = ImageDescriptor.createFromURL(url); registry.put(image_id, desc); } public ResourceBundle getResourceBundle() { return resourceBundle; } public static String getResourceString(String key) { ResourceBundle bundle = Activator.getDefault().getResourceBundle(); try { return (bundle != null) ? bundle.getString(key) : key; } catch (MissingResourceException e) { return key; } } public static String getResourceString(String key, Object[] args) { return MessageFormat.format(getResourceString(key), args); } public static void log(String msg) { log(null, msg, null); } public static void log(String msg, Exception e) { logInfo(null, msg, e, false); } public static void log(String title, String msg, Exception e) { logInfo(title, msg, e, false); } public static void logSuccess(String title, String msg, Exception e, boolean tooltip) { log(Status.OK, title != null ? title + ": " + msg : msg, e); if (tooltip) { tooltipSuccess(title, msg); } } public static void logInfo(String title, String msg, Exception e, boolean tooltip) { log(Status.INFO, title != null ? title + ": " + msg : msg, e); if (tooltip) { tooltipInfo(title, msg); } } public static void logWarning(String title, String msg, Exception e, boolean tooltip) { log(Status.WARNING, title != null ? title + ": " + msg : msg, e); if (tooltip) { tooltipWarning(title, msg); } } public static void logError(String title, String msg, Exception e, boolean tooltip) { log(Status.ERROR, title != null ? title + ": " + msg : msg, e); if (tooltip) { tooltipError(title, msg); } } public static void logSuccess(String msg, Exception e) { logSuccess(null, msg, null, false); } public static void logInfo(String msg, Exception e) { logInfo(null, msg, null, false); } public static void logWarning(String msg, Exception e) { logWarning(null, msg, null, false); } public static void logError(String msg, Exception e) { logError(null, msg, null, false); } public static void log(int status, String msg, Exception e) { getDefault().getLog().log(new Status(status, Constants.PLUGIN_ID, Status.OK, msg, e)); } public static void tooltipSuccess(String title, String msg) { Utils.showToolTipSuccess(null, getResourceString("easyshell.plugin.name") + ": " + title, msg); } public static void tooltipInfo(String title, String msg) { Utils.showToolTipInfo(null, getResourceString("easyshell.plugin.name") + ": " + title, msg); } public static void tooltipWarning(String title, String msg) { Utils.showToolTipWarning(null, getResourceString("easyshell.plugin.name") + ": " + title, msg); } public static void tooltipError(String title, String msg) { Utils.showToolTipError(null, getResourceString("easyshell.plugin.name") + ": " + title, msg); } public static void logDebug(String string) { // TODO: get from preferences store Debug debug = Debug.debugNo; if (debug == Debug.debugYes) { log(Status.INFO, string, null); } } @Override public IPreferenceStore getPreferenceStore() { // Create the preference store lazily. if (myPreferenceStore == null) { myPreferenceStore = getPreferenceStoreByVersion(Version.actual.name()); } return myPreferenceStore; } public IPreferenceStore getPreferenceStoreByVersion(String version) { String pluginNodeName = getBundle().getSymbolicName(); return new ScopedPreferenceStore(InstanceScope.INSTANCE, pluginNodeName + "/" + version, pluginNodeName); } public IPreferenceStore getLegacyPreferenceStore() { String pluginNodeName = "com.tetrade.eclipse.plugins.easyshell"; return new ScopedPreferenceStore(InstanceScope.INSTANCE, pluginNodeName, pluginNodeName); } }