WebUiUtils.java

/*******************************************************************************
 * Copyright (c) 2012 VMWare, Inc.
 * 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:
 *     VMWare, Inc. - initial API and implementation
 *******************************************************************************/
package org.grails.ide.eclipse.ui.internal.utils;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.Calendar;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.browser.IWebBrowser;
import org.eclipse.ui.browser.IWorkbenchBrowserSupport;
import org.eclipse.ui.internal.browser.WebBrowserPreference;
import org.eclipse.ui.internal.browser.WorkbenchBrowserSupport;

/**
 * @author Christian Dupuis
 * @since 2.2.0
 */
@SuppressWarnings("restriction")
public class WebUiUtils {

	public static void openUrl(String location) {
		openUrl(location, 0);
	}

	private static void openUrl(String location, int customFlags) {
		try {
			URL url = null;

			if (location != null) {
				url = new URL(location);
			}
			if (WebBrowserPreference.getBrowserChoice() == WebBrowserPreference.EXTERNAL) {
				try {
					IWorkbenchBrowserSupport support = PlatformUI.getWorkbench()
							.getBrowserSupport();
					support.getExternalBrowser().openURL(url);
				}
				catch (Exception e) {
				}
			}
			else {
				IWebBrowser browser = null;
				int flags = customFlags;
				if (WorkbenchBrowserSupport.getInstance().isInternalWebBrowserAvailable()) {
					flags |= IWorkbenchBrowserSupport.AS_EDITOR
							| IWorkbenchBrowserSupport.LOCATION_BAR
							| IWorkbenchBrowserSupport.NAVIGATION_BAR;
				}
				else {
					flags |= IWorkbenchBrowserSupport.AS_EXTERNAL
							| IWorkbenchBrowserSupport.LOCATION_BAR
							| IWorkbenchBrowserSupport.NAVIGATION_BAR;
				}

				String generatedId = "org.grails.ide.eclipse.ui-"
						+ Calendar.getInstance().getTimeInMillis();
				browser = WorkbenchBrowserSupport.getInstance().createBrowser(flags, generatedId,
						null, null);
				browser.openURL(url);
			}
		}
		catch (PartInitException e) {
			MessageDialog.openError(Display.getDefault().getActiveShell(), "Browser init error",
					"Browser could not be initiated");
		}
		catch (MalformedURLException e) {
		}
	}

}