alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

What this is

This file is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Other links

The source code

/*******************************************************************************
 * Copyright (c) 2000, 2008 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.pde.internal.ui;

import java.lang.reflect.InvocationTargetException;
import java.net.URL;
import java.util.Hashtable;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.*;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfigurationListener;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.pde.internal.ui.launcher.*;
import org.eclipse.pde.internal.ui.util.SWTUtil;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.editors.text.TextFileDocumentProvider;
import org.eclipse.ui.forms.FormColors;
import org.eclipse.ui.internal.views.log.ILogFileProvider;
import org.eclipse.ui.internal.views.log.LogFilesManager;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.ui.texteditor.IDocumentProvider;
import org.osgi.framework.BundleContext;

public class PDEPlugin extends AbstractUIPlugin implements IPDEUIConstants {

	// Shared instance
	private static PDEPlugin fInstance;

	// Launches listener
	private LaunchListener fLaunchListener;

	private BundleContext fBundleContext;

	private java.util.Hashtable fCounters;

	// Provides Launch Configurations log files to Log View
	private ILogFileProvider fLogFileProvider;

	// Shared colors for all forms
	private FormColors fFormColors;
	private PDELabelProvider fLabelProvider;
	private ILaunchConfigurationListener fLaunchConfigurationListener;

	/**
	 * The shared text file document provider.
	 * @since 3.2
	 */
	private IDocumentProvider fTextFileDocumentProvider;

	private OSGiFrameworkManager fOSGiFrameworkManager;

	public PDEPlugin() {
		fInstance = this;
	}

	public URL getInstallURL() {
		return getDefault().getBundle().getEntry("/"); //$NON-NLS-1$
	}

	public static IWorkbenchPage getActivePage() {
		return getDefault().internalGetActivePage();
	}

	public static Shell getActiveWorkbenchShell() {
		IWorkbenchWindow window = getActiveWorkbenchWindow();
		if (window != null) {
			return window.getShell();
		}
		return null;
	}

	public static IWorkbenchWindow getActiveWorkbenchWindow() {
		return getDefault().getWorkbench().getActiveWorkbenchWindow();
	}

	public static PDEPlugin getDefault() {
		return fInstance;
	}

	public Hashtable getDefaultNameCounters() {
		if (fCounters == null)
			fCounters = new Hashtable();
		return fCounters;
	}

	public static String getPluginId() {
		return getDefault().getBundle().getSymbolicName();
	}

	public static IWorkspace getWorkspace() {
		return ResourcesPlugin.getWorkspace();
	}

	private IWorkbenchPage internalGetActivePage() {
		return getWorkbench().getActiveWorkbenchWindow().getActivePage();
	}

	public static void log(IStatus status) {
		ResourcesPlugin.getPlugin().getLog().log(status);
	}

	public static void logErrorMessage(String message) {
		log(new Status(IStatus.ERROR, getPluginId(), IStatus.ERROR, message, null));
	}

	public static void logException(Throwable e, final String title, String message) {
		if (e instanceof InvocationTargetException) {
			e = ((InvocationTargetException) e).getTargetException();
		}
		IStatus status = null;
		if (e instanceof CoreException)
			status = ((CoreException) e).getStatus();
		else {
			if (message == null)
				message = e.getMessage();
			if (message == null)
				message = e.toString();
			status = new Status(IStatus.ERROR, getPluginId(), IStatus.OK, message, e);
		}
		ResourcesPlugin.getPlugin().getLog().log(status);
		Display display = SWTUtil.getStandardDisplay();
		final IStatus fstatus = status;
		display.asyncExec(new Runnable() {
			public void run() {
				ErrorDialog.openError(null, title, null, fstatus);
			}
		});
	}

	public static void logException(Throwable e) {
		logException(e, null, 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, getPluginId(), IStatus.OK, e.getMessage(), e);
		log(status);
	}

	public FormColors getFormColors(Display display) {
		if (fFormColors == null) {
			fFormColors = new FormColors(display);
			fFormColors.markShared();
		}
		return fFormColors;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.runtime.Plugin#start(org.osgi.framework.BundleContext)
	 */
	public void start(BundleContext context) throws Exception {
		super.start(context);
		this.fBundleContext = context;
		fLaunchConfigurationListener = new LaunchConfigurationListener();
		DebugPlugin.getDefault().getLaunchManager().addLaunchConfigurationListener(fLaunchConfigurationListener);
		fLogFileProvider = new PDELogFileProvider();
		LogFilesManager.addLogFileProvider(fLogFileProvider);
	}

	public BundleContext getBundleContext() {
		return fBundleContext;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
	 */
	public void stop(BundleContext context) throws Exception {
		if (fLaunchListener != null)
			fLaunchListener.shutdown();
		if (fFormColors != null) {
			fFormColors.dispose();
			fFormColors = null;
		}
		if (fLabelProvider != null) {
			fLabelProvider.dispose();
			fLabelProvider = null;
		}
		if (fLaunchConfigurationListener != null) {
			DebugPlugin.getDefault().getLaunchManager().removeLaunchConfigurationListener(fLaunchConfigurationListener);
			fLaunchConfigurationListener = null;
		}
		if (fLogFileProvider != null) {
			LogFilesManager.removeLogFileProvider(fLogFileProvider);
			fLogFileProvider = null;
		}
		LauncherUtils.shutdown();
		super.stop(context);
	}

	public PDELabelProvider getLabelProvider() {
		if (fLabelProvider == null)
			fLabelProvider = new PDELabelProvider();
		return fLabelProvider;
	}

	public LaunchListener getLaunchListener() {
		if (fLaunchListener == null)
			fLaunchListener = new LaunchListener();
		return fLaunchListener;
	}

	public OSGiFrameworkManager getOSGiFrameworkManager() {
		if (fOSGiFrameworkManager == null)
			fOSGiFrameworkManager = new OSGiFrameworkManager();
		return fOSGiFrameworkManager;
	}

	public static boolean isFullNameModeEnabled() {
		IPreferenceStore store = getDefault().getPreferenceStore();
		return store.getString(IPreferenceConstants.PROP_SHOW_OBJECTS).equals(IPreferenceConstants.VALUE_USE_NAMES);
	}

	/**
	 * Returns the shared text file document provider for this plug-in.
	 * 
	 * @return the shared text file document provider
	 * @since 3.2
	 */
	public synchronized IDocumentProvider getTextFileDocumentProvider() {
		if (fTextFileDocumentProvider == null)
			fTextFileDocumentProvider = new TextFileDocumentProvider();
		return fTextFileDocumentProvider;
	}
}
... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.