1 files changed, 172 insertions, 0 deletions
diff --git a/build/org.eclipse.cdt.meson.core/src/org/eclipse/cdt/meson/core/Activator.java b/build/org.eclipse.cdt.meson.core/src/org/eclipse/cdt/meson/core/Activator.java
new file mode 100644
index 00000000000..31e9b18f715
--- /dev/null
+++ b/build/org.eclipse.cdt.meson.core/src/org/eclipse/cdt/meson/core/Activator.java
@@ -0,0 +1,172 @@
+/*******************************************************************************
+ * Copyright (c) 2018 Red Hat Inc. and others.
+ * 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
+ * 
+ * Red Hat Inc. - initial version
+ *******************************************************************************/
+package org.eclipse.cdt.meson.core;
+
+import java.lang.reflect.InvocationTargetException;
+import java.text.MessageFormat;
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+
+public class Activator implements BundleActivator {
+
+	private static BundleContext context;
+	//The shared instance.
+	private static Activator plugin;
+	private ResourceBundle resourceBundle;
+	
+	public static final String PLUGIN_ID = "org.eclipse.cdt.meson.core"; //$NON-NLS-1$
+
+
+	public Activator() {
+		Assert.isTrue(plugin == null);
+		plugin = this;
+		try {
+			resourceBundle = ResourceBundle.getBundle(PLUGIN_ID + ".Resources"); //$NON-NLS-1$
+		} catch (MissingResourceException x) {
+			resourceBundle = null;
+		}
+	}
+	
+	public static String getPluginId() {
+		return PLUGIN_ID;
+	}
+	
+	public static String getUniqueIdentifier() {
+		if (getDefault() == null) {
+			// If the default instance is not yet initialized,
+			// return a static identifier. This identifier must
+			// match the plugin id defined in plugin.xml
+			return PLUGIN_ID;
+		}
+		return context.getBundle().getSymbolicName();
+	}
+	
+	public Bundle getBundle() {
+		return context.getBundle();
+	}
+
+	/**
+	 * Returns the shared instance.
+	 */
+	public static Activator getDefault() {
+		return plugin;
+	}
+	
+	/**
+	 * Return the OSGi service with the given service interface.
+	 * 
+	 * @param service service interface
+	 * @return the specified service or null if it's not registered
+	 * @since 1.5
+	 */
+	public static <T> T getService(Class<T> service) {
+		if (context != null) {
+			ServiceReference<T> ref = context.getServiceReference(service);
+			return ref != null ? context.getService(ref) : null;
+		}
+		return null;
+	}
+	
+	public static void error(String message, Throwable cause) {
+		log(errorStatus(message, cause));
+	}
+
+	public static IStatus errorStatus(String message, Throwable cause) {
+		return new Status(IStatus.ERROR, PLUGIN_ID, message, cause);
+	}
+
+	/**
+	 * Returns the string from the plugin's resource bundle,
+	 * or 'key' if not found.
+	 * 
+	 * @param key the message key
+	 * @return the resource bundle message
+	 */
+	public static String getResourceString(String key) {
+		ResourceBundle bundle = Activator.getDefault().getResourceBundle();
+		try {
+			return bundle.getString(key);
+		} catch (MissingResourceException e) {
+			return key;
+		}
+	}
+
+	/**
+	 * Returns the string from the plugin's resource bundle,
+	 * or 'key' if not found.
+	 * 
+	 * @param key the message key
+	 * @param args an array of substituition strings
+	 * @return the resource bundle message
+	 */
+	public static String getFormattedString(String key, String[] args) {
+		return MessageFormat.format(getResourceString(key), (Object[])args);
+	}
+
+	/**
+	 * Returns the plugin's resource bundle,
+	 */
+	public ResourceBundle getResourceBundle() {
+		return resourceBundle;
+	}
+
+	public static void log(IStatus status) {
+		ResourcesPlugin.getPlugin().getLog().log(status);
+	}
+
+	public static void logErrorMessage(String message) {
+		log(new Status(IStatus.ERROR, getUniqueIdentifier(), IStatus.ERROR, message, null));
+	}
+
+	public static void log(Throwable e) {
+		if (e instanceof InvocationTargetException)
+			e = ((InvocationTargetException) e).getTargetException();
+		IStatus status = null;
+		if (e instanceof CoreException)
+			status = ((CoreException) e).getStatus();
+		else
+			status = new Status(IStatus.ERROR, getUniqueIdentifier(), IStatus.OK, e.getMessage(), e);
+		log(status);
+	}
+
+
+	
+	static BundleContext getContext() {
+		return context;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
+	 */
+	public void start(BundleContext bundleContext) throws Exception {
+		Activator.context = bundleContext;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
+	 */
+	public void stop(BundleContext bundleContext) throws Exception {
+		Activator.context = null;
+		plugin = null;
+	}
+
+}