org.eclipse.osbp.display/src/org/eclipse/osbp/display/servlet/DisplayUI.java - osbp/org.eclipse.osbp.display - Git at Google

 /**
  * Copyright (c) 2011 - 2017, Lunifera GmbH (Gross Enzersdorf), Loetz GmbH&Co.KG (Heidelberg)
  * All rights reserved. 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:
  * 		Loetz GmbH&Co.KG - Initial implementation
  */
 package org.eclipse.osbp.display.servlet;

 import java.net.InetAddress;
 import java.net.UnknownHostException;
 import java.util.Dictionary;
 import java.util.Hashtable;
 import java.util.Locale;
 import java.util.Map;
 import java.util.UUID;
 import java.util.regex.Pattern;

 import org.eclipse.core.runtime.IExtensionRegistry;
 import org.eclipse.core.runtime.RegistryFactory;
 import org.eclipse.e4.core.contexts.ContextInjectionFactory;
 import org.eclipse.e4.core.contexts.EclipseContextFactory;
 import org.eclipse.e4.core.contexts.IEclipseContext;
 import org.eclipse.e4.core.services.translation.TranslationService;
 import org.eclipse.e4.ui.di.UISynchronize;
 import org.eclipse.e4.ui.internal.workbench.WorkbenchLogger;
 import org.eclipse.e4.ui.model.application.MApplication;
 import org.eclipse.e4.ui.model.application.MApplicationFactory;
 import org.eclipse.emf.common.notify.AdapterFactory;
 import org.eclipse.emf.common.util.URI;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.edit.domain.EditingDomain;
 import org.eclipse.osbp.display.api.IDisplayUiParticipant;
 import org.eclipse.osbp.display.api.IDisplayUiParticipantHandle;
 import org.eclipse.osbp.runtime.common.session.ISession;
 import org.eclipse.osbp.runtime.common.session.SessionUtil;
 import org.eclipse.osbp.runtime.common.session.SessionUtil.Info;
 import org.eclipse.osbp.runtime.web.vaadin.databinding.VaadinObservables;
 import org.eclipse.osbp.ui.api.metadata.IDSLMetadataService;
 import org.eclipse.osbp.ui.api.themes.IThemeResourceService;
 import org.eclipse.osbp.vaaclipse.addons.softwarefactory.service.OSBPTranslationService;
 import org.eclipse.osbp.vaaclipse.publicapi.events.IWidgetModelAssociations;
 import org.eclipse.osbp.vaadin.emf.api.IModelingContext;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.FrameworkUtil;
 import org.osgi.framework.ServiceReference;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 import com.vaadin.annotations.PreserveOnRefresh;
 import com.vaadin.annotations.Push;
 import com.vaadin.annotations.Theme;
 import com.vaadin.annotations.Title;
 import com.vaadin.annotations.Widgetset;
 import com.vaadin.server.VaadinRequest;
 import com.vaadin.ui.UI;
 import com.vaadin.ui.VerticalLayout;

 /**
  * The Class DisplayUI controls all mobile fragments.
  */
 @SuppressWarnings({ "serial", "restriction" })
 @Theme("osbp")
 @Widgetset("org.eclipse.osbp.vaadin.widgetset.widgetsets.OSBPWidgetset")
 @PreserveOnRefresh
 @Title("Vaadin Display Preview")
 @Push
 public class DisplayUI extends UI {

 	private static final String OS_BEE_DISPLAY = "OS.bee - Display";

 	/** The Constant LOGGER. */
 	private static final Logger LOGGER = LoggerFactory.getLogger(DisplayUI.class);

 	/** The ui handle. */
 	private transient IDisplayUiParticipantHandle uiHandle;

 	private transient IEclipseContext appContext;

 	private transient Info info;

 	@Override
 	public boolean equals(Object obj) {
 		return super.equals(obj);
 	}

 	@Override
 	public int hashCode() {
 		return super.hashCode();
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.vaadin.ui.UI#init(com.vaadin.server.VaadinRequest)
 	 */
 	@Override
 	protected void init(VaadinRequest request) {
 		// fragment has pattern #{master-host}?{display=displayName}&{locale=languageTag} NOSONAR
 		String fragment = getPage().getUriFragment();

 		info = SessionUtil.getFragmentInfo(fragment);
 		createEnvironment();

 		LOGGER.error("*** init display master:{} display:{} locale:{} ***", info.host, info.ui, info.languageTag);
 		setTheme("osbp");

 		VaadinObservables.getRealm(getUI());

 		VerticalLayout layout = new VerticalLayout();
 		layout.setSizeFull();
 		setContent(layout);

 		// initialize the UI
 		ServiceReference<IDisplayUiParticipant> reference = Activator.getServiceReference(info.ui);
 		if (reference != null) {
 			IDisplayUiParticipant participant = Activator.getContext().getService(reference);
 			if (uiHandle != null) {
 				try {
 					uiHandle.dispose();
 				} finally {
 					uiHandle = null;
 				}
 			}
 			uiHandle = participant.createHandle(this, info.ui);
 			ContextInjectionFactory.inject(uiHandle, appContext);
 			if (uiHandle != null) {
 				uiHandle.handle(layout, appContext);
 			}
 		}
 	}

 	private void createEnvironment() {
 		prepareEnvironment();
 		registerSessionService();
 	}

 	/**
 	 * Registers the session service.
 	 *
 	 * @param request
 	 */
 	private void registerSessionService() {
 		BundleContext bc = FrameworkUtil.getBundle(getClass()).getBundleContext();

 		Dictionary<String, Object> dictionary = new Hashtable<>(); // NOSONAR
 		dictionary.put("vaadinUIId", Integer.toString(getUIId()));
 		dictionary.put("masterId", info.host);

 		try {
 			InetAddress netAddress = InetAddress.getByName(getPage().getWebBrowser().getAddress());
 			String hostName = netAddress.getHostName().toLowerCase();
 			LOGGER.error("*** display hostname:{} ***", hostName);
 			appContext.set("ip", hostName);
 		} catch (UnknownHostException e) {
 			LOGGER.error("{}", e);
 		}

 		appContext.set(ISession.Type.class, ISession.Type.SLAVE);

 		DisplaySession session = new DisplaySession(this, appContext, getPage().getUriFragment());
 		appContext.set(ISession.class, session);

 		bc.registerService(ISession.class, session, dictionary);
 	}

 	public void prepareEnvironment() {
 		appContext = createDefaultContext();
 		appContext.set("e4ApplicationInstanceId", UUID.randomUUID().toString());
 		appContext.set("vaadinUI", this);
 		appContext.set(UI.class, this);
 		appContext.set("displayName", info.ui);
 		appContext.set(ISession.Type.class, ISession.Type.SLAVE);
 		appContext.set(UISynchronize.class, new UISynchronize() {
 			public void syncExec(Runnable runnable) {
 				VaadinObservables.activateRealm(DisplayUI.this);
 				DisplayUI.this.accessSynchronously(runnable);
 			}

 			public void asyncExec(Runnable runnable) {
 				VaadinObservables.activateRealm(DisplayUI.this);
 				DisplayUI.this.access(runnable);
 			}
 		});

 	}

 	/**
 	 * Creates the default context.
 	 *
 	 * @param applicationContext
 	 *            the application context
 	 * @return the i eclipse context
 	 */
 	public IEclipseContext createDefaultContext() {
 		IEclipseContext serviceContext = EclipseContextFactory
 				.createServiceContext(FrameworkUtil.getBundle(getClass()).getBundleContext());
 		final IEclipseContext displayContext = serviceContext.createChild("DisplayContext"); //$NON-NLS-1$
 		displayContext.set(org.eclipse.e4.core.services.log.Logger.class,
 				new WorkbenchLogger("org.eclipse.osbp.display"));
 		displayContext.set(UI.class, this);

 		MApplication dummyApplication = MApplicationFactory.INSTANCE.createApplication();
 		dummyApplication.setContext(displayContext);
 		dummyApplication.setElementId("dummy Application");
 		displayContext.set(MApplication.class, dummyApplication);

 		// translation
 		serviceContext.set(TranslationService.LOCALE, Locale.forLanguageTag(info.languageTag));
 		serviceContext.set(TranslationService.class, ContextInjectionFactory.make(OSBPTranslationService.class, serviceContext));
 		displayContext.set(IExtensionRegistry.class.getName(), RegistryFactory.getRegistry());

 		displayContext.set(IWidgetModelAssociations.class, new DummyIWidgetModelAssociations());
 		displayContext.set(IModelingContext.class, new DummyIModelingContext());
 		displayContext.set(IDSLMetadataService.class, DisplayServiceBinder.getDSLMetadataService());
 		displayContext.set(IThemeResourceService.class, DisplayServiceBinder.getThemeResourceService());

 		return displayContext;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.vaadin.ui.UI#detach()
 	 */
 	@Override
 	public void detach() {
 		LOGGER.debug("detach");
 		super.detach();

 		if (uiHandle != null) {
 			LOGGER.debug("dispose handle");
 			uiHandle.dispose();
 			uiHandle = null;
 		}
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see com.vaadin.ui.UI#attach()
 	 */
 	@Override
 	public void attach() {
 		LOGGER.debug("attach");
 		super.attach();
 	}

 	/**
 	 * Gets the title text.
 	 *
 	 * @return the title text
 	 */
 	protected String getTitleText() {
 		return OS_BEE_DISPLAY;
 	}

 	public void sendData(Map<String, Object> data) {
 		if (uiHandle != null) {
 			uiHandle.sendData(data);
 		}
 	}

 	static class DummyIWidgetModelAssociations implements IWidgetModelAssociations {

 		@Override
 		public boolean addThirdParty(IWidgetModelAssociations e) {
 			return false;
 		}

 		@Override
 		public boolean removeThirdParty(IWidgetModelAssociations o) {
 			return false;
 		}

 		@Override
 		public Object getWidget(EObject element) {
 			return null;
 		}

 		@Override
 		public EObject getElement(Object component) {
 			return null;
 		}

 	}

 	static class DummyIModelingContext implements IModelingContext {

 		@Override
 		public EObject getModelForUi(Object component) {
 			return null;
 		}

 		@Override
 		public void loadPerspective(URI uri) {
 			// not needed here
 		}

 		@Override
 		public void setPerspective(URI uri) {
 			// not needed here
 		}

 		@Override
 		public AdapterFactory getAdapterFactory() {
 			return null;
 		}

 		@Override
 		public CommandStack getCommandStack() {
 			return null;
 		}

 		@Override
 		public boolean isDesignMode() {
 			return false;
 		}

 		@Override
 		public void setDesignMode(boolean value) {
 			// not needed here
 		}

 		@Override
 		public EditingDomain getEditingDomain() {
 			return null;
 		}
 	}
 }
	/**
	* Copyright (c) 2011 - 2017, Lunifera GmbH (Gross Enzersdorf), Loetz GmbH&Co.KG (Heidelberg)
	* All rights reserved. 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:
	* Loetz GmbH&Co.KG - Initial implementation
	*/
	package org.eclipse.osbp.display.servlet;

	import java.net.InetAddress;
	import java.net.UnknownHostException;
	import java.util.Dictionary;
	import java.util.Hashtable;
	import java.util.Locale;
	import java.util.Map;
	import java.util.UUID;
	import java.util.regex.Pattern;

	import org.eclipse.core.runtime.IExtensionRegistry;
	import org.eclipse.core.runtime.RegistryFactory;
	import org.eclipse.e4.core.contexts.ContextInjectionFactory;
	import org.eclipse.e4.core.contexts.EclipseContextFactory;
	import org.eclipse.e4.core.contexts.IEclipseContext;
	import org.eclipse.e4.core.services.translation.TranslationService;
	import org.eclipse.e4.ui.di.UISynchronize;
	import org.eclipse.e4.ui.internal.workbench.WorkbenchLogger;
	import org.eclipse.e4.ui.model.application.MApplication;
	import org.eclipse.e4.ui.model.application.MApplicationFactory;
	import org.eclipse.emf.common.notify.AdapterFactory;
	import org.eclipse.emf.common.util.URI;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.edit.domain.EditingDomain;
	import org.eclipse.osbp.display.api.IDisplayUiParticipant;
	import org.eclipse.osbp.display.api.IDisplayUiParticipantHandle;
	import org.eclipse.osbp.runtime.common.session.ISession;
	import org.eclipse.osbp.runtime.common.session.SessionUtil;
	import org.eclipse.osbp.runtime.common.session.SessionUtil.Info;
	import org.eclipse.osbp.runtime.web.vaadin.databinding.VaadinObservables;
	import org.eclipse.osbp.ui.api.metadata.IDSLMetadataService;
	import org.eclipse.osbp.ui.api.themes.IThemeResourceService;
	import org.eclipse.osbp.vaaclipse.addons.softwarefactory.service.OSBPTranslationService;
	import org.eclipse.osbp.vaaclipse.publicapi.events.IWidgetModelAssociations;
	import org.eclipse.osbp.vaadin.emf.api.IModelingContext;
	import org.osgi.framework.BundleContext;
	import org.osgi.framework.FrameworkUtil;
	import org.osgi.framework.ServiceReference;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	import com.vaadin.annotations.PreserveOnRefresh;
	import com.vaadin.annotations.Push;
	import com.vaadin.annotations.Theme;
	import com.vaadin.annotations.Title;
	import com.vaadin.annotations.Widgetset;
	import com.vaadin.server.VaadinRequest;
	import com.vaadin.ui.UI;
	import com.vaadin.ui.VerticalLayout;

	/**
	* The Class DisplayUI controls all mobile fragments.
	*/
	@SuppressWarnings({ "serial", "restriction" })
	@Theme("osbp")
	@Widgetset("org.eclipse.osbp.vaadin.widgetset.widgetsets.OSBPWidgetset")
	@PreserveOnRefresh
	@Title("Vaadin Display Preview")
	@Push
	public class DisplayUI extends UI {

	private static final String OS_BEE_DISPLAY = "OS.bee - Display";

	/** The Constant LOGGER. */
	private static final Logger LOGGER = LoggerFactory.getLogger(DisplayUI.class);

	/** The ui handle. */
	private transient IDisplayUiParticipantHandle uiHandle;

	private transient IEclipseContext appContext;

	private transient Info info;

	@Override
	public boolean equals(Object obj) {
	return super.equals(obj);
	}

	@Override
	public int hashCode() {
	return super.hashCode();
	}

	/*
	* (non-Javadoc)
	*
	* @see com.vaadin.ui.UI#init(com.vaadin.server.VaadinRequest)
	*/
	@Override
	protected void init(VaadinRequest request) {
	// fragment has pattern #{master-host}?{display=displayName}&{locale=languageTag} NOSONAR
	String fragment = getPage().getUriFragment();

	info = SessionUtil.getFragmentInfo(fragment);
	createEnvironment();

	LOGGER.error("* init display master:{} display:{} locale:{} *", info.host, info.ui, info.languageTag);
	setTheme("osbp");

	VaadinObservables.getRealm(getUI());

	VerticalLayout layout = new VerticalLayout();
	layout.setSizeFull();
	setContent(layout);

	// initialize the UI
	ServiceReference<IDisplayUiParticipant> reference = Activator.getServiceReference(info.ui);
	if (reference != null) {
	IDisplayUiParticipant participant = Activator.getContext().getService(reference);
	if (uiHandle != null) {
	try {
	uiHandle.dispose();
	} finally {
	uiHandle = null;
	}
	}
	uiHandle = participant.createHandle(this, info.ui);
	ContextInjectionFactory.inject(uiHandle, appContext);
	if (uiHandle != null) {
	uiHandle.handle(layout, appContext);
	}
	}
	}

	private void createEnvironment() {
	prepareEnvironment();
	registerSessionService();
	}

	/**
	* Registers the session service.
	*
	* @param request
	*/
	private void registerSessionService() {
	BundleContext bc = FrameworkUtil.getBundle(getClass()).getBundleContext();

	Dictionary<String, Object> dictionary = new Hashtable<>(); // NOSONAR
	dictionary.put("vaadinUIId", Integer.toString(getUIId()));
	dictionary.put("masterId", info.host);

	try {
	InetAddress netAddress = InetAddress.getByName(getPage().getWebBrowser().getAddress());
	String hostName = netAddress.getHostName().toLowerCase();
	LOGGER.error("* display hostname:{} *", hostName);
	appContext.set("ip", hostName);
	} catch (UnknownHostException e) {
	LOGGER.error("{}", e);
	}

	appContext.set(ISession.Type.class, ISession.Type.SLAVE);

	DisplaySession session = new DisplaySession(this, appContext, getPage().getUriFragment());
	appContext.set(ISession.class, session);

	bc.registerService(ISession.class, session, dictionary);
	}

	public void prepareEnvironment() {
	appContext = createDefaultContext();
	appContext.set("e4ApplicationInstanceId", UUID.randomUUID().toString());
	appContext.set("vaadinUI", this);
	appContext.set(UI.class, this);
	appContext.set("displayName", info.ui);
	appContext.set(ISession.Type.class, ISession.Type.SLAVE);
	appContext.set(UISynchronize.class, new UISynchronize() {
	public void syncExec(Runnable runnable) {
	VaadinObservables.activateRealm(DisplayUI.this);
	DisplayUI.this.accessSynchronously(runnable);
	}

	public void asyncExec(Runnable runnable) {
	VaadinObservables.activateRealm(DisplayUI.this);
	DisplayUI.this.access(runnable);
	}
	});

	}

	/**
	* Creates the default context.
	*
	* @param applicationContext
	* the application context
	* @return the i eclipse context
	*/
	public IEclipseContext createDefaultContext() {
	IEclipseContext serviceContext = EclipseContextFactory
	.createServiceContext(FrameworkUtil.getBundle(getClass()).getBundleContext());
	final IEclipseContext displayContext = serviceContext.createChild("DisplayContext"); //$NON-NLS-1$
	displayContext.set(org.eclipse.e4.core.services.log.Logger.class,
	new WorkbenchLogger("org.eclipse.osbp.display"));
	displayContext.set(UI.class, this);

	MApplication dummyApplication = MApplicationFactory.INSTANCE.createApplication();
	dummyApplication.setContext(displayContext);
	dummyApplication.setElementId("dummy Application");
	displayContext.set(MApplication.class, dummyApplication);

	// translation
	serviceContext.set(TranslationService.LOCALE, Locale.forLanguageTag(info.languageTag));
	serviceContext.set(TranslationService.class, ContextInjectionFactory.make(OSBPTranslationService.class, serviceContext));
	displayContext.set(IExtensionRegistry.class.getName(), RegistryFactory.getRegistry());

	displayContext.set(IWidgetModelAssociations.class, new DummyIWidgetModelAssociations());
	displayContext.set(IModelingContext.class, new DummyIModelingContext());
	displayContext.set(IDSLMetadataService.class, DisplayServiceBinder.getDSLMetadataService());
	displayContext.set(IThemeResourceService.class, DisplayServiceBinder.getThemeResourceService());

	return displayContext;
	}

	/*
	* (non-Javadoc)
	*
	* @see com.vaadin.ui.UI#detach()
	*/
	@Override
	public void detach() {
	LOGGER.debug("detach");
	super.detach();

	if (uiHandle != null) {
	LOGGER.debug("dispose handle");
	uiHandle.dispose();
	uiHandle = null;
	}
	}

	/*
	* (non-Javadoc)
	*
	* @see com.vaadin.ui.UI#attach()
	*/
	@Override
	public void attach() {
	LOGGER.debug("attach");
	super.attach();
	}

	/**
	* Gets the title text.
	*
	* @return the title text
	*/
	protected String getTitleText() {
	return OS_BEE_DISPLAY;
	}

	public void sendData(Map<String, Object> data) {
	if (uiHandle != null) {
	uiHandle.sendData(data);
	}
	}

	static class DummyIWidgetModelAssociations implements IWidgetModelAssociations {

	@Override
	public boolean addThirdParty(IWidgetModelAssociations e) {
	return false;
	}

	@Override
	public boolean removeThirdParty(IWidgetModelAssociations o) {
	return false;
	}

	@Override
	public Object getWidget(EObject element) {
	return null;
	}

	@Override
	public EObject getElement(Object component) {
	return null;
	}

	}

	static class DummyIModelingContext implements IModelingContext {

	@Override
	public EObject getModelForUi(Object component) {
	return null;
	}

	@Override
	public void loadPerspective(URI uri) {
	// not needed here
	}

	@Override
	public void setPerspective(URI uri) {
	// not needed here
	}

	@Override
	public AdapterFactory getAdapterFactory() {
	return null;
	}

	@Override
	public CommandStack getCommandStack() {
	return null;
	}

	@Override
	public boolean isDesignMode() {
	return false;
	}

	@Override
	public void setDesignMode(boolean value) {
	// not needed here
	}

	@Override
	public EditingDomain getEditingDomain() {
	return null;
	}
	}
	}