update/org.eclipse.update.ui/src/org/eclipse/update/internal/ui/UpdateUI.java - platform/eclipse.platform - Git at Google

 /*******************************************************************************
  * 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.update.internal.ui;

 import java.io.UnsupportedEncodingException;
 import java.lang.reflect.InvocationTargetException;
 import java.net.MalformedURLException;
 import java.net.URL;
 import org.eclipse.core.runtime.*;
 import org.eclipse.jface.dialogs.*;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.*;
 import org.eclipse.ui.browser.IWebBrowser;
 import org.eclipse.ui.browser.IWorkbenchBrowserSupport;
 import org.eclipse.ui.plugin.AbstractUIPlugin;
 import org.eclipse.update.internal.core.UpdateCore;
 import org.eclipse.update.internal.ui.model.UpdateModel;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleContext;

 /**
  * The main plugin class to be used in the desktop.
  */
 public class UpdateUI extends AbstractUIPlugin {
 	public static final String PLUGIN_ID = "org.eclipse.update.ui"; //$NON-NLS-1$
 	public static final String WEB_APP_ID = "org.eclipse.update"; //$NON-NLS-1$
 	// preference key
 	public static final String P_DISCOVERY_SITES_ENABLED = "discoverySitesEnabled"; //$NON-NLS-1$
 	//The shared instance.
 	private static UpdateUI plugin;
 	private UpdateModel model;
 	private String appServerHost;
 	private int appServerPort;
 	private UpdateLabelProvider labelProvider;

 	/**
 	 * The constructor.
 	 */
 	public UpdateUI() {

 		plugin = this;
 	}

 	/**
 	 * Returns the shared instance.
 	 */
 	public static UpdateUI getDefault() {
 		return plugin;
 	}

 	public static Shell getActiveWorkbenchShell() {
 		IWorkbenchWindow window = getActiveWorkbenchWindow();
 		return window != null ? window.getShell() : getStandardDisplay().getActiveShell();
 	}

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

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

 	public UpdateLabelProvider getLabelProvider() {
 		if (labelProvider == null)
 			labelProvider = new UpdateLabelProvider();
 		return labelProvider;
 	}

 	/* (non-Javadoc)
 	 * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
 	 */
 	public void start(BundleContext context) throws Exception {
 		super.start(context);
 		model = new UpdateModel();
 		int historyPref =
 			getPluginPreferences().getInt(UpdateCore.P_HISTORY_SIZE);
 		if (historyPref > 0) {
 			UpdateCore.DEFAULT_HISTORY = historyPref;
 		}
 	}

 	public String getAppServerHost() {
 		return appServerHost;
 	}

 	public int getAppServerPort() {
 		return appServerPort;
 	}

 	/* (non-Javadoc)
 	 * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
 	 */
 	public void stop(BundleContext context) throws Exception {
 		if (model != null)
 			model.shutdown();

 		if (labelProvider != null)
 			labelProvider.dispose();
 		super.stop(context);

 	}

 	public UpdateModel getUpdateModel() {
 		return model;
 	}

 	public static void logException(Throwable e) {
 		logException(e, true);
 	}

 	public static void logException(Throwable e, boolean showErrorDialog) {
 		if (e instanceof InvocationTargetException) {
 			e = ((InvocationTargetException) e).getTargetException();
 		}

 		IStatus status = null;
 		if (e instanceof CoreException) {
 			status = ((CoreException) e).getStatus();
 		} else {
 			String message = e.getMessage();
 			if (message == null)
 				message = e.toString();
 			status =
 				new Status(
 					IStatus.ERROR,
 					getPluginId(),
 					IStatus.OK,
 					message,
 					e);
 		}
 		log(status, showErrorDialog);
 	}

 	public static void log(IStatus status, boolean showErrorDialog) {
 		Bundle bundle = Platform.getBundle("org.eclipse.update.ui"); //$NON-NLS-1$
 		Platform.getLog(bundle).log(status);
 		if (Display.getCurrent() == null || !showErrorDialog)
 			return;
 		if (status.getSeverity() != IStatus.INFO) {
 			ErrorDialog.openError(getActiveWorkbenchShell(), null, null, status);
 		} else {
 			MessageDialog.openInformation(getActiveWorkbenchShell(), null, status.getMessage());
 		}
 	}

 	public static URL getOriginatingURL(String id) {
 		IDialogSettings section = getOriginatingURLSection();
 		String value = section.get(id);
 		if (value != null) {
 			try {
 				return new URL(value);
 			} catch (MalformedURLException e) {
 			}
 		}
 		return null;
 	}

 	public static void setOriginatingURL(String id, URL url) {
 		IDialogSettings section = getOriginatingURLSection();
 		section.put(id, url.toString());
 	}

 	private static IDialogSettings getOriginatingURLSection() {
 		IDialogSettings settings = getDefault().getDialogSettings();
 		IDialogSettings section = settings.getSection("originatingURLs"); //$NON-NLS-1$
 		if (section == null)
 			section = settings.addNewSection("originatingURLs"); //$NON-NLS-1$
 		return section;
 	}


 	/**
 	 * Prompts the user to restart, and performs the restart if the user gives the ok.
 	 *
 	 * @param restartIsReallyNeeded true when a restart is needed, false if the user feels lucky (tm) and wants the changes
 	 * applied to the current config
 	 * @return <code>true</code> if the system is restarting, and <code>false</code> otherwise
 	 */
 	public static boolean requestRestart(boolean restartIsReallyNeeded) {
 		boolean restart =
 			RestartDialog.openQuestion(
 				getActiveWorkbenchShell(),
 				restartIsReallyNeeded);
 		if (restart)
 			return PlatformUI.getWorkbench().restart();
 		return false;
 	}

 	public static void showURL(String url) {
 		showURL(url, false);
 	}

 	public static void showURL(String url, boolean encodeHostAndPort) {
 		if (encodeHostAndPort)
 			url = encodeHostAndPort(url);

 		IWorkbenchBrowserSupport support = PlatformUI.getWorkbench().getBrowserSupport();
 		try {
 			IWebBrowser browser = support.getExternalBrowser();
 			browser.openURL(new URL(url));
 		}
 		catch (MalformedURLException e) {
 			UpdateUI.logException(e);
 		}
 		catch (PartInitException e) {
 			UpdateUI.logException(e);
 		}
 	}

 	private static String encodeHostAndPort(String urlName) {
 		String callbackURL = getCallbackURLAsString();
 		if (callbackURL == null)
 			return urlName;
 		String callbackParameter = "updateURL=" + callbackURL; //$NON-NLS-1$
 		if (urlName.indexOf('?') != -1)
 			return urlName + "&" + callbackParameter; //$NON-NLS-1$
 		else
 			return urlName + "?" + callbackParameter; //$NON-NLS-1$
 	}

 	private static String getCallbackURLAsString() {
 		String host = getDefault().getAppServerHost();
 		int port = getDefault().getAppServerPort();
 		if (host == null || port == 0)
 			return null;
 		else {
 			String value =
 				"http://" //$NON-NLS-1$
 					+ host
 					+ ":" //$NON-NLS-1$
 					+ port
 					+ "/" //$NON-NLS-1$
 					+ WEB_APP_ID
 					+ "/install"; //$NON-NLS-1$
 			try {
 				value = URLCoder.encode(value);
 			} catch (UnsupportedEncodingException e) {
 			}
 			return value;
 		}
 	}

 	/**
 	 * Returns the standard display to be used. The method first checks, if
 	 * the thread calling this method has an associated disaply. If so, this
 	 * display is returned. Otherwise the method returns the default display.
 	 */
 	public static Display getStandardDisplay() {
 		Display display;
 		display = Display.getCurrent();
 		if (display == null)
 			display = Display.getDefault();
 		return display;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.core.runtime.Plugin#initializeDefaultPluginPreferences()
 	 */
 	protected void initializeDefaultPluginPreferences() {
 		Preferences store = getPluginPreferences();
 		store.setDefault(P_DISCOVERY_SITES_ENABLED, true);
 	}
 }
	/*******************************************************************************
	* 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.update.internal.ui;

	import java.io.UnsupportedEncodingException;
	import java.lang.reflect.InvocationTargetException;
	import java.net.MalformedURLException;
	import java.net.URL;
	import org.eclipse.core.runtime.*;
	import org.eclipse.jface.dialogs.*;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.ui.*;
	import org.eclipse.ui.browser.IWebBrowser;
	import org.eclipse.ui.browser.IWorkbenchBrowserSupport;
	import org.eclipse.ui.plugin.AbstractUIPlugin;
	import org.eclipse.update.internal.core.UpdateCore;
	import org.eclipse.update.internal.ui.model.UpdateModel;
	import org.osgi.framework.Bundle;
	import org.osgi.framework.BundleContext;

	/**
	* The main plugin class to be used in the desktop.
	*/
	public class UpdateUI extends AbstractUIPlugin {
	public static final String PLUGIN_ID = "org.eclipse.update.ui"; //$NON-NLS-1$
	public static final String WEB_APP_ID = "org.eclipse.update"; //$NON-NLS-1$
	// preference key
	public static final String P_DISCOVERY_SITES_ENABLED = "discoverySitesEnabled"; //$NON-NLS-1$
	//The shared instance.
	private static UpdateUI plugin;
	private UpdateModel model;
	private String appServerHost;
	private int appServerPort;
	private UpdateLabelProvider labelProvider;

	/**
	* The constructor.
	*/
	public UpdateUI() {

	plugin = this;
	}

	/**
	* Returns the shared instance.
	*/
	public static UpdateUI getDefault() {
	return plugin;
	}

	public static Shell getActiveWorkbenchShell() {
	IWorkbenchWindow window = getActiveWorkbenchWindow();
	return window != null ? window.getShell() : getStandardDisplay().getActiveShell();
	}

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

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

	public UpdateLabelProvider getLabelProvider() {
	if (labelProvider == null)
	labelProvider = new UpdateLabelProvider();
	return labelProvider;
	}

	/* (non-Javadoc)
	* @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
	*/
	public void start(BundleContext context) throws Exception {
	super.start(context);
	model = new UpdateModel();
	int historyPref =
	getPluginPreferences().getInt(UpdateCore.P_HISTORY_SIZE);
	if (historyPref > 0) {
	UpdateCore.DEFAULT_HISTORY = historyPref;
	}
	}

	public String getAppServerHost() {
	return appServerHost;
	}

	public int getAppServerPort() {
	return appServerPort;
	}

	/* (non-Javadoc)
	* @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
	*/
	public void stop(BundleContext context) throws Exception {
	if (model != null)
	model.shutdown();

	if (labelProvider != null)
	labelProvider.dispose();
	super.stop(context);

	}

	public UpdateModel getUpdateModel() {
	return model;
	}

	public static void logException(Throwable e) {
	logException(e, true);
	}

	public static void logException(Throwable e, boolean showErrorDialog) {
	if (e instanceof InvocationTargetException) {
	e = ((InvocationTargetException) e).getTargetException();
	}

	IStatus status = null;
	if (e instanceof CoreException) {
	status = ((CoreException) e).getStatus();
	} else {
	String message = e.getMessage();
	if (message == null)
	message = e.toString();
	status =
	new Status(
	IStatus.ERROR,
	getPluginId(),
	IStatus.OK,
	message,
	e);
	}
	log(status, showErrorDialog);
	}

	public static void log(IStatus status, boolean showErrorDialog) {
	Bundle bundle = Platform.getBundle("org.eclipse.update.ui"); //$NON-NLS-1$
	Platform.getLog(bundle).log(status);
	if (Display.getCurrent() == null \|\| !showErrorDialog)
	return;
	if (status.getSeverity() != IStatus.INFO) {
	ErrorDialog.openError(getActiveWorkbenchShell(), null, null, status);
	} else {
	MessageDialog.openInformation(getActiveWorkbenchShell(), null, status.getMessage());
	}
	}

	public static URL getOriginatingURL(String id) {
	IDialogSettings section = getOriginatingURLSection();
	String value = section.get(id);
	if (value != null) {
	try {
	return new URL(value);
	} catch (MalformedURLException e) {
	}
	}
	return null;
	}

	public static void setOriginatingURL(String id, URL url) {
	IDialogSettings section = getOriginatingURLSection();
	section.put(id, url.toString());
	}

	private static IDialogSettings getOriginatingURLSection() {
	IDialogSettings settings = getDefault().getDialogSettings();
	IDialogSettings section = settings.getSection("originatingURLs"); //$NON-NLS-1$
	if (section == null)
	section = settings.addNewSection("originatingURLs"); //$NON-NLS-1$
	return section;
	}


	/**
	* Prompts the user to restart, and performs the restart if the user gives the ok.
	*
	* @param restartIsReallyNeeded true when a restart is needed, false if the user feels lucky (tm) and wants the changes
	* applied to the current config
	* @return <code>true</code> if the system is restarting, and <code>false</code> otherwise
	*/
	public static boolean requestRestart(boolean restartIsReallyNeeded) {
	boolean restart =
	RestartDialog.openQuestion(
	getActiveWorkbenchShell(),
	restartIsReallyNeeded);
	if (restart)
	return PlatformUI.getWorkbench().restart();
	return false;
	}

	public static void showURL(String url) {
	showURL(url, false);
	}

	public static void showURL(String url, boolean encodeHostAndPort) {
	if (encodeHostAndPort)
	url = encodeHostAndPort(url);

	IWorkbenchBrowserSupport support = PlatformUI.getWorkbench().getBrowserSupport();
	try {
	IWebBrowser browser = support.getExternalBrowser();
	browser.openURL(new URL(url));
	}
	catch (MalformedURLException e) {
	UpdateUI.logException(e);
	}
	catch (PartInitException e) {
	UpdateUI.logException(e);
	}
	}

	private static String encodeHostAndPort(String urlName) {
	String callbackURL = getCallbackURLAsString();
	if (callbackURL == null)
	return urlName;
	String callbackParameter = "updateURL=" + callbackURL; //$NON-NLS-1$
	if (urlName.indexOf('?') != -1)
	return urlName + "&" + callbackParameter; //$NON-NLS-1$
	else
	return urlName + "?" + callbackParameter; //$NON-NLS-1$
	}

	private static String getCallbackURLAsString() {
	String host = getDefault().getAppServerHost();
	int port = getDefault().getAppServerPort();
	if (host == null \|\| port == 0)
	return null;
	else {
	String value =
	"http://" //$NON-NLS-1$
	+ host
	+ ":" //$NON-NLS-1$
	+ port
	+ "/" //$NON-NLS-1$
	+ WEB_APP_ID
	+ "/install"; //$NON-NLS-1$
	try {
	value = URLCoder.encode(value);
	} catch (UnsupportedEncodingException e) {
	}
	return value;
	}
	}

	/**
	* Returns the standard display to be used. The method first checks, if
	* the thread calling this method has an associated disaply. If so, this
	* display is returned. Otherwise the method returns the default display.
	*/
	public static Display getStandardDisplay() {
	Display display;
	display = Display.getCurrent();
	if (display == null)
	display = Display.getDefault();
	return display;
	}

	/* (non-Javadoc)
	* @see org.eclipse.core.runtime.Plugin#initializeDefaultPluginPreferences()
	*/
	protected void initializeDefaultPluginPreferences() {
	Preferences store = getPluginPreferences();
	store.setDefault(P_DISCOVERY_SITES_ENABLED, true);
	}
	}