plugins/org.polarsys.chess.discovery/src/org/polarsys/chess/discovery/ui/wizards/DiscoveryComponent.java

/*****************************************************************************
 * Copyright (c) 2010 - 2014 University of Padova.
 *
 *    
 * 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:
 *  Alessandro Zovi
 *
 *****************************************************************************/
package org.polarsys.chess.discovery.ui.wizards;

import java.io.IOException;
import java.util.Collections;

import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceImpl;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.papyrus.infra.discovery.DiscoveryDefinition;
import org.eclipse.papyrus.infra.discovery.ui.viewer.DiscoveryContentProvider;
import org.eclipse.papyrus.infra.discovery.ui.wizards.DiscoveryWizard;
import org.eclipse.papyrus.infra.discovery.ui.wizards.Messages;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;

public class DiscoveryComponent {

	/** URI of the model where all extra component features to be installed are referenced */
	public static final String DISCOVERY_URI = "http://www.math.unipd.it/~azovi/CHESS/CHESS_Polarsys_Extra/chess-extra.xmi";

	public static final Object execute() {
		final IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

		DiscoveryContentProvider provider = new DiscoveryContentProvider() {

		
			@Override
			protected DiscoveryDefinition load() {
				Resource res = new XMIResourceImpl(URI.createURI(DISCOVERY_URI));
				try {
					res.load(Collections.EMPTY_MAP);
				} catch (IOException e) {
					MessageDialog.openError(window.getShell(), Messages.DiscoveryComponent_CannotConnectToSource_title, Messages.DiscoveryComponent_CannotConnectToSource_label);
					throw new RuntimeException(e);
				}
				return (DiscoveryDefinition)res.getContents().get(0);
			}

		
			@Override
			public String getDescription() {
				return Messages.DiscoveryComponent_description;
			}

			@Override
			public String getTitle() {
				return Messages.DiscoveryComponent_title;
			}

		};


		DiscoveryWizard wizard = new DiscoveryWizard(provider);
		WizardDialog dialog = new WizardDialog(window.getShell(), wizard);
		return dialog.open();
	}

}