| /** |
| * Copyright (c) 2006 IBM Corporation. |
| * 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 Implementation |
| * |
| */ |
| package org.eclipse.ptp.remotetools.environment; |
| |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtension; |
| import org.eclipse.core.runtime.Plugin; |
| import org.eclipse.ptp.remotetools.environment.control.ITargetControl; |
| import org.eclipse.ptp.remotetools.environment.core.ChildrenProviderManager; |
| import org.eclipse.ptp.remotetools.environment.core.ITargetElement; |
| import org.eclipse.ptp.remotetools.environment.core.TargetEnvironmentManager; |
| import org.eclipse.ptp.remotetools.environment.core.TargetTypeElement; |
| import org.eclipse.ptp.remotetools.environment.extension.ITargetTypeExtension; |
| import org.eclipse.ptp.utils.core.extensionpoints.IProcessMemberVisitor; |
| import org.eclipse.ptp.utils.core.extensionpoints.ProcessExtensions; |
| import org.osgi.framework.BundleContext; |
| |
| |
| /** |
| * The main plugin class to be used in the desktop. |
| * |
| * @author Ricardo M. Matinata |
| * @since 1.1 |
| */ |
| public class EnvironmentPlugin extends Plugin { |
| |
| final public static String FILENAME = "environments.xml"; //$NON-NLS-1$ |
| final public static String EXT_CONTROLS_ID = "org.eclipse.ptp.remotetools.environment.core.remoteEnvironmentControlDelegate"; //$NON-NLS-1$ |
| final private static String ID = "org.eclipse.ptp.remotetools.environment.core"; //$NON-NLS-1$ |
| |
| //The shared instance. |
| private static EnvironmentPlugin plugin; |
| private TargetEnvironmentManager manager; |
| private ChildrenProviderManager childrenProviderMgr; |
| |
| /** |
| * The constructor. |
| */ |
| public EnvironmentPlugin() { |
| plugin = this; |
| } |
| |
| public Map<String, ITargetTypeExtension> getControls() { |
| final Map<String, ITargetTypeExtension> controls = new HashMap<String, ITargetTypeExtension>(); |
| ProcessExtensions.process(EXT_CONTROLS_ID, new IProcessMemberVisitor() { |
| |
| public Object process(IExtension extension, IConfigurationElement member) { |
| Object mprovider; |
| try { |
| |
| mprovider = member.createExecutableExtension("class"); //$NON-NLS-1$ |
| if ( ITargetTypeExtension.class.isAssignableFrom(mprovider.getClass()) ) { |
| controls.put(member.getAttribute("name"), (ITargetTypeExtension)mprovider); //$NON-NLS-1$ |
| } |
| } catch (CoreException e) { |
| mprovider = null; |
| } |
| |
| return mprovider; |
| } |
| |
| }); |
| return controls; |
| } |
| |
| public TargetEnvironmentManager getTargetsManager() { |
| if (manager == null) |
| manager = new TargetEnvironmentManager(); |
| return manager; |
| } |
| |
| public ChildrenProviderManager getChildrenProviderManager() { |
| if (childrenProviderMgr == null) { |
| childrenProviderMgr = new ChildrenProviderManager(); |
| } |
| return childrenProviderMgr; |
| } |
| |
| /** |
| * This method is called upon plug-in activation |
| */ |
| public void start(BundleContext context) throws Exception { |
| super.start(context); |
| } |
| |
| /** |
| * This method is called when the plug-in is stopped |
| */ |
| public void stop(BundleContext context) throws Exception { |
| super.stop(context); |
| manager.writeToFile(); |
| plugin = null; |
| } |
| |
| /** |
| * Notifies all target elements of the plugin that includes |
| * the parameter class. This parameter class must implement the |
| * ITargetTypeExtension interface. |
| * |
| * @param Class The class that implements the ITargetTypeExtension interface |
| */ |
| @SuppressWarnings("unchecked") |
| public synchronized void destroyTypeElements(Class extensionClass) { |
| // Find the TargetTypeElement that contains an extension which class is |
| // equivalent to the argument. |
| List<TargetTypeElement> typeList = getTargetsManager().getTypeElements(); |
| for (TargetTypeElement typeElement : typeList) { |
| if(typeElement.getExtension().getClass().equals(extensionClass)) { |
| // NOTE: At this point the called plugin should not be closed, so |
| // its safe to play around with its values. |
| |
| // Call the destroy method of all elements of the given type |
| List<ITargetElement> elemList = typeElement.getElements(); |
| for (ITargetElement el : elemList) { |
| try { // Errors could happen when disabling the environment. Just ignore. |
| ITargetControl ctl = el.getControl(); |
| ctl.destroy(); |
| } catch (Throwable t) { } |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * Returns the shared instance. |
| */ |
| public static EnvironmentPlugin getDefault() { |
| return plugin; |
| } |
| |
| public static String getUniqueIdentifier() { |
| |
| return ID; |
| } |
| |
| /* |
| * Unique ID generation for environment instances |
| * This ID is generation comes from the system's timestamp. |
| */ |
| public String getEnvironmentUniqueID() { |
| long envID = System.currentTimeMillis(); |
| return String.valueOf(envID); |
| } |
| |
| // Key that address the unique identifier of a given environment instance |
| public static final String ATTR_CORE_ENVIRONMENTID = "core-environmentid"; //$NON-NLS-1$ |
| |
| } |