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/*******************************************************************************
* Copyright (c) 2000, 2015 IBM Corporation and others.
*
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.examples.filesystem;
import java.io.IOException;
import org.eclipse.core.runtime.*;
import org.eclipse.swt.widgets.Display;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.examples.model.PluginManifestChangeTracker;
import org.eclipse.team.examples.pessimistic.PessimisticFilesystemProviderPlugin;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
/**
* This is the plugin class for the file system examples. It provides the following:
*
* <ol>
* <li>public fields for the plugin and provider IDs as defined in the plugin.xml
* <li>initialization on startup of Policy class that provides internationalization of strings
* <li>helper methods for outputing IStatus objects to the log
* <li>helper methods for converting CoreExceptions and IOExceptions to TeamExceptions
* </ol>
*/
public class FileSystemPlugin extends AbstractUIPlugin {
/**
* This is the ID of the plugin as defined in the plugin.xml
*/
public static final String ID = "org.eclipse.team.examples.filesystem"; //$NON-NLS-1$
/**
* This is the provider ID of the plugin as defined in the plugin.xml
*/
public static final String PROVIDER_ID = ID + ".FileSystemProvider"; //$NON-NLS-1$
// This static field will hold the singleton instance of the plugin class
private static FileSystemPlugin plugin;
private PessimisticFilesystemProviderPlugin pessPlugin;
private PluginManifestChangeTracker tracker;
/**
* Override the standard plugin constructor.
*/
public FileSystemPlugin() {
super();
// record this instance as the singleton
plugin = this;
// Instanctiate pessimistic provider
pessPlugin = new PessimisticFilesystemProviderPlugin();
}
/**
* Return the singlton instance of the plugin class to allow other
* classes in the plugin access to plugin instance methods such as
* those for logging errors, etc.
*/
public static FileSystemPlugin getPlugin() {
return plugin;
}
/**
* Helper method to convert a CoreException into a TeamException.
* We do this to maintain the core status and code. This type of
* mapping may not be appropriate in more complicated exception
* handling situations.
*
* @param e the CoreException
*/
public static TeamException wrapException(CoreException e) {
return new TeamException(e.getStatus());
}
/**
* Helper method to convert an IOException into a TeamException.
* This type of mapping may not be appropriate in more complicated
* exception handling situations.
*
* @param e the CoreException
*/
public static TeamException wrapException(IOException e) {
return new TeamException(new Status(IStatus.ERROR, FileSystemPlugin.ID,
TeamException.IO_FAILED, e.getMessage(), e));
}
/**
* Helper method to log an exception status.
*
* @param status the status to be logged
*/
public static void log(IStatus status) {
plugin.getLog().log(status);
}
/**
* Returns the standard display to be used. The method first checks, if
* the thread calling this method has an associated display. If so, this
* display is returned. Otherwise the method returns the default display.
*/
public static Display getStandardDisplay() {
Display display= Display.getCurrent();
if (display == null) {
display= Display.getDefault();
}
return display;
}
public void start(BundleContext context) throws Exception {
super.start(context);
//Call startup on the Pessimistic Plugin
pessPlugin.start(context);
tracker = new PluginManifestChangeTracker();
tracker.start();
}
public void stop(BundleContext context) throws Exception {
try {
if (pessPlugin != null)
pessPlugin.stop(context);
} finally {
super.stop(context);
}
tracker.dispose();
tracker = null;
}
public static void log(CoreException e) {
log (new Status(e.getStatus().getSeverity(), FileSystemPlugin.ID, 0, e.getMessage(), e));
}
}
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