Bug 113663 [plan item] Refactor the runtime. Initail commitv200511211912

1 files changed, 88 insertions, 0 deletions

diff --git a/bundles/org.eclipse.equinox.preferences/src/org/eclipse/core/internal/preferences/Activator.java b/bundles/org.eclipse.equinox.preferences/src/org/eclipse/core/internal/preferences/Activator.java
new file mode 100644
index 000000000..1735ddd1b
--- /dev/null
+++ b/bundles/org.eclipse.equinox.preferences/src/org/eclipse/core/internal/preferences/Activator.java
@@ -0,0 +1,88 @@
+/*******************************************************************************
+ * Copyright (c) 2005 IBM Corporation 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
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.core.internal.preferences;
+
+import java.util.Hashtable;
+import org.eclipse.core.runtime.preferences.IPreferencesService;
+import org.eclipse.osgi.service.environment.EnvironmentInfo;
+import org.osgi.framework.*;
+import org.osgi.util.tracker.ServiceTracker;
+
+/**
+ * The Jobs plugin class.
+ */
+public class Activator implements BundleActivator {
+
+	/**
+	 * The bundle associated this plug-in
+	 */
+	private static BundleContext bundleContext;
+
+	/**
+	 * This plugin provides a Preferences service.
+	 */
+	private ServiceRegistration preferencesService = null;
+
+	/**
+	 * This method is called upon plug-in activation
+	 */
+	public void start(BundleContext context) throws Exception {
+		bundleContext = context;
+		processCommandLine();
+		registerServices();
+	}
+
+	/**
+	 * This method is called when the plug-in is stopped
+	 */
+	public void stop(BundleContext context) throws Exception {
+		unregisterServices();
+		PreferencesOSGiUtils.getDefault().closeServices();
+		bundleContext = null;
+	}
+
+	static BundleContext getContext() {
+		return bundleContext;
+	}
+
+	private void registerServices() {
+		preferencesService = bundleContext.registerService(IPreferencesService.class.getName(), PreferencesService.getDefault(), new Hashtable());
+	}
+
+	private void unregisterServices() {
+		preferencesService.unregister();
+	}
+
+	/**
+	 * Look for the plug-in customization file.
+	 * @param args - command line arguments
+	 */
+	private void processCommandLine() {
+		ServiceTracker environmentTracker = new ServiceTracker(bundleContext, EnvironmentInfo.class.getName(), null);
+		environmentTracker.open();
+		EnvironmentInfo environmentInfo = (EnvironmentInfo) environmentTracker.getService();
+		environmentTracker.close();
+		if (environmentInfo == null)
+			return;
+		String[] args = environmentInfo.getNonFrameworkArgs();
+		if (args == null || args.length == 0)
+			return;
+
+		for (int i = 0; i < args.length; i++) {
+			if (args[i].equalsIgnoreCase(IPreferencesConstants.PLUGIN_CUSTOMIZATION)) {
+				if (args.length > i + 1) // make sure the file name is actually there
+					DefaultPreferences.pluginCustomizationFile = args[i + 1];
+				break; // only interested in this one
+			}
+		}
+	}
+
+}