org.eclipse.osbp.abstractstatemachine/src/org/eclipse/osbp/abstractstatemachine/AbstractStateMachine.java - gerrit/osbp/org.eclipse.osbp.abstractstatemachine - Git at Google

 /*
  *
  *  Copyright (c) 2011 - 2016 - Loetz GmbH & Co KG, 69115 Heidelberg, Germany
  *
  *  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
  *
  *  Initial contribution:
  *     Loetz GmbH & Co. KG
  *
  */
 package org.eclipse.osbp.abstractstatemachine;

 import java.io.IOException;
 import java.net.InetAddress;
 import java.net.UnknownHostException;
 import java.nio.channels.SelectableChannel;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.Timer;
 import java.util.TimerTask;
 import java.util.concurrent.CopyOnWriteArraySet;

 import javax.annotation.PreDestroy;

 import org.eclipse.e4.core.contexts.IEclipseContext;
 import org.eclipse.osbp.dsl.common.datatypes.IDto;
 import org.eclipse.osbp.runtime.common.filter.IQuery;
 import org.eclipse.osbp.runtime.common.session.ISession;
 import org.eclipse.osbp.ui.api.customfields.IBlobService;
 import org.eclipse.osbp.ui.api.message.IMessageRequester;
 import org.eclipse.osbp.ui.api.message.MessageEvent;
 import org.eclipse.osbp.ui.api.message.MessageEvent.EventType;
 import org.eclipse.osbp.ui.api.message.MessageRequesterEvent;
 import org.eclipse.osbp.ui.api.metadata.IDSLMetadataService;
 import org.eclipse.osbp.ui.api.report.IReportProvider;
 import org.eclipse.osbp.ui.api.statemachine.IDataProvider;
 import org.eclipse.osbp.ui.api.statemachine.IEventSource;
 import org.eclipse.osbp.ui.api.statemachine.IPeripheral;
 import org.eclipse.osbp.ui.api.statemachine.IStateMachine;
 import org.eclipse.osbp.ui.api.themes.IThemeResourceService;
 import org.eclipse.osbp.ui.api.user.IUser;
 import org.eclipse.osbp.utils.vaadin.MessageDialog;
 import org.eclipse.osbp.utils.vaadin.YesNoDialog;
 import org.joda.time.DateTime;
 import org.joda.time.DateTimeZone;
 import org.slf4j.Logger;

 import com.vaadin.server.Page;
 import com.vaadin.server.WebBrowser;
 import com.vaadin.ui.UI;

 public abstract class AbstractStateMachine implements IStateMachine, IMessageRequester.ClickRecipient {
 	private static final String ENABLED = "Enabled";
 	private static Logger logger = org.slf4j.LoggerFactory.getLogger("statemachine");
 	protected Collection<IEventSource.Enabler> enablerList = new CopyOnWriteArraySet<>();
 	protected Collection<IDataProvider.Provider> providerList = new CopyOnWriteArraySet<>();
 	protected Collection<IPeripheral.Command> peripheralList = new CopyOnWriteArraySet<>();
 	protected Map<String, MessageDialog> messageDialogs = new HashMap<>();
 	protected Map<String, YesNoDialog> yesnoDialogs = new HashMap<>();
 	protected WebBrowser webBrowser = Page.getCurrent().getWebBrowser();
 	protected Timer timer;
 	protected IUser user;
 	protected Locale locale;
 	protected IDSLMetadataService dslMetadataService;
 	protected IThemeResourceService themeResourceService;
 	protected IReportProvider reportProvider;
 	protected IBlobService blobService;
 	protected Map<String, Map<String, Object>> storage = new HashMap<>();
 	protected SelectableChannel channel;
 	protected String lastTrigger;
 	protected IEclipseContext eclipseContext;

 	private void addEventProvider(IEventSource.Enabler listener) {
 		enablerList.add(listener);
 	}

 	private void removeEventProvider(IEventSource.Enabler listener) {
 		enablerList.remove(listener);
 	}

 	@Override
 	public void registerEnabler(IEventSource.Enabler listener) {
 		addEventProvider(listener);
 	}

 	@Override
 	public void unregisterEnabler(IEventSource.Enabler listener) {
 		removeEventProvider(listener);
 	}

 	@Override
 	public void setUser(IUser user) {
 		this.user = user;
 	}

 	@Override
 	public IUser getUser() {
 		return user;
 	}

 	@Override
 	public String getUserName() {
 		return user.getUserName();
 	}

 	@Override
 	public String getUserPassword() {
 		return user.getExtraPassword();
 	}

 	@Override
 	public String getUserEmail() {
 		return user.getEmail();
 	}

 	@Override
 	public String getUserPosition() {
 		return user.getPosition();
 	}

 	@Override
 	public String getUserPrintService() {
 		return user.getPrintService();
 	}

 	@Override
 	public void setLocale(Locale locale) {
 		this.locale = locale;
 	}

 	@Override
 	public Locale getLocale() {
 		return locale;
 	}

 	@Override
 	public void setDslMetadataService(IDSLMetadataService dslMetadataService) {
 		this.dslMetadataService = dslMetadataService;
 	}

 	@Override
 	public IDSLMetadataService getDslMetadataService() {
 		return dslMetadataService;
 	}

 	@Override
 	public IThemeResourceService getThemeResourceService() {
 		return themeResourceService;
 	}

 	@Override
 	public void setThemeResourceService(IThemeResourceService themeResourceService) {
 		this.themeResourceService = themeResourceService;
 	}

 	@Override
 	public void setReportProvider(IReportProvider reportprovider) {
 		this.reportProvider = reportprovider;
 	}

 	@Override
 	public IReportProvider getReportProvider() {
 		return reportProvider;
 	}

 	@Override
 	public IBlobService getBlobService() {
 		return blobService;
 	}

 	@Override
 	public void setBlobService(IBlobService blobService) {
 		this.blobService = blobService;
 	}

 	@Override
 	public void enable(String id, Boolean enable) {
 		for (IEventSource.Enabler listener : enablerList) {
 			listener.enable(listener, id, enable);
 		}
 	}

 	@Override
 	public void toggle(String id) {
 		for (IEventSource.Enabler listener : enablerList) {
 			listener.toggle(listener, id + ENABLED);
 		}
 		for (IDataProvider.Provider listener : providerList) {
 			listener.toggle(listener, id + ENABLED);
 		}
 		for (IPeripheral.Command listener : peripheralList) {
 			listener.toggle(listener, id + ENABLED);
 		}
 	}

 	@Override
 	public Object get(String id) {
 		Object value;
 		for (IEventSource.Enabler listener : enablerList) {
 			value = listener.get(listener, id);
 			if (value != null) {
 				return value;
 			}
 		}
 		for (IDataProvider.Provider listener : providerList) {
 			value = listener.get(listener, id);
 			if (value != null) {
 				return value;
 			}
 		}
 		for (IPeripheral.Command listener : peripheralList) {
 			value = listener.get(listener, id);
 			if (value != null) {
 				return value;
 			}
 		}
 		return null;
 	}

 	@Override
 	public void set(String id, Object content) {
 		for (IEventSource.Enabler listener : enablerList) {
 			listener.set(listener, id, content);
 		}
 		for (IDataProvider.Provider listener : providerList) {
 			listener.set(listener, id, content);
 		}
 		for (IPeripheral.Command listener : peripheralList) {
 			listener.set(listener, id, content);
 		}
 	}

 	@Override
 	public void set(String id, String device, Object content) {
 		for (IPeripheral.Command listener : peripheralList) {
 			listener.set(listener, id, device, content);
 		}
 	}

 	@Override
 	public void clear(String id) {
 		for (IEventSource.Enabler listener : enablerList) {
 			listener.clear(listener, id);
 		}
 		for (IDataProvider.Provider listener : providerList) {
 			listener.clear(listener, id);
 		}
 		for (IPeripheral.Command listener : peripheralList) {
 			listener.clear(listener, id);
 		}
 	}

 	@Override
 	public void append(String id, String key) {
 		for (IEventSource.Enabler listener : enablerList) {
 			listener.append(listener, id, key);
 		}
 	}

 	@Override
 	public void remove(String id, int pos) {
 		for (IEventSource.Enabler listener : enablerList) {
 			listener.remove(listener, id, pos);
 		}
 	}

 	@Override
 	public void caption(String id, String value) {
 		for (IEventSource.Enabler listener : enablerList) {
 			listener.caption(listener, id, value);
 		}
 	}

 	@Override
 	public void image(String id, String imageName) {
 		for (IEventSource.Enabler listener : enablerList) {
 			listener.image(listener, id, imageName);
 		}
 	}

 	@Override
 	public void addDataProvider(IDataProvider.Provider listener) {
 		providerList.add(listener);
 	}

 	@Override
 	public void removeDataProvider(IDataProvider.Provider listener) {
 		providerList.remove(listener);
 	}

 	@Override
 	public void registerDataProvider(IDataProvider.Provider listener) {
 		addDataProvider(listener);
 	}

 	@Override
 	public void unregisterDataProvider(IDataProvider.Provider listener) {
 		removeDataProvider(listener);
 	}

 	public void addPeripheral(IPeripheral.Command listener) {
 		peripheralList.add(listener);
 	}

 	public void removePeripheral(IPeripheral.Command listener) {
 		peripheralList.remove(listener);
 	}

 	@Override
 	public void registerPeripheral(IPeripheral.Command listener) {
 		addPeripheral(listener);
 	}

 	@Override
 	public void unregisterPeripheral(IPeripheral.Command listener) {
 		removePeripheral(listener);
 	}

 	@Override
 	public Boolean find(String dtoName, IQuery query) {
 		Boolean retVal;
 		for (IDataProvider.Provider listener : providerList) {
 			retVal = listener.find(listener, dtoName, query);
 			if (retVal != null) {
 				return retVal;
 			}
 		}
 		return false;
 	}

 	@Override
 	public Boolean find(String dtoName, String fieldName, Object search) {
 		Boolean retVal;
 		for (IDataProvider.Provider listener : providerList) {
 			retVal = listener.find(listener, dtoName, fieldName, search);
 			if (retVal != null) {
 				return retVal;
 			}
 		}
 		return false;
 	}

 	@Override
 	public Collection<? extends IDto> findAll(String dtoName, IQuery query) {
 		Collection<? extends IDto> retVal;
 		for (IDataProvider.Provider listener : providerList) {
 			retVal = listener.findAll(dtoName, query);
 			if (retVal != null) {
 				return retVal;
 			}
 		}
 		return Collections.emptyList();
 	}

 	@Override
 	public Collection<? extends IDto> findAll(String dtoName, String fieldName, Object search) {
 		Collection<? extends IDto> retVal;
 		for (IDataProvider.Provider listener : providerList) {
 			retVal = listener.findAll(dtoName, fieldName, search);
 			if (retVal != null) {
 				return retVal;
 			}
 		}
 		return Collections.emptyList();
 	}

 	@Override
 	public void addTo(String dtoName, String listName, IDto dto) {
 		for (IDataProvider.Provider listener : providerList) {
 			listener.addTo(listener, dtoName, listName, dto);
 		}
 	}

 	@Override
 	public void removeFrom(String dtoName, String listName, IDto dto) {
 		for (IDataProvider.Provider listener : providerList) {
 			listener.removeFrom(listener, dtoName, listName, dto);
 		}
 	}

 	@Override
 	public void update(String dtoName) {
 		for (IDataProvider.Provider listener : providerList) {
 			listener.update(listener, dtoName, (IDto) listener.get(listener, dtoName));
 		}
 	}

 	@Override
 	public void reload(String dtoName) {
 		for (IDataProvider.Provider listener : providerList) {
 			listener.reload(listener, dtoName, (IDto) listener.get(listener, dtoName));
 		}
 	}

 	@Override
 	public void delete(String dtoName) {
 		for (IDataProvider.Provider listener : providerList) {
 			listener.delete(listener, dtoName, (IDto) listener.get(listener, dtoName));
 		}
 	}

 	@Override
 	public String getIPAddress() {
 		// must define -Djava.net.preferIPv4Stack=true to always get IPv4 in
 		// dual stack environments
 		return webBrowser.getAddress(); // May be null, especially if running in
 										// a Portlet.
 	}

 	@Override
 	public String getHostName() {
 		String hostName = null;
 		try {
 			InetAddress netAddress = InetAddress.getByName(webBrowser.getAddress());
 			hostName = netAddress.getHostName();
 		} catch (UnknownHostException e) {
 			logger.error("{}", e);
 		}
 		return hostName;
 	}

 	@Override
 	public boolean isItMe(String hostName) {
 		String hostAddress;
 		try {
 			InetAddress netAddress = InetAddress.getByName(hostName);
 			hostAddress = netAddress.getHostAddress();
 		} catch (UnknownHostException e) {
 			logger.error("{}", e);
 			return false;
 		}
 		return getIPAddress().equals(hostAddress);
 	}

 	@Override
 	public DateTime getNow() {
 		return DateTime.now(DateTimeZone.UTC);
 	}

 	@Override
 	public String getUserAgentInfo() {
 		return webBrowser.getBrowserApplication();
 	}

 	@Override
 	public Boolean isTouchDevice() {
 		return webBrowser.isTouchDevice();
 	}

 	@Override
 	public int getSceenWidth() {
 		return webBrowser.getScreenWidth();
 	}

 	@Override
 	public int getScreenHeight() {
 		return webBrowser.getScreenHeight();
 	}

 	@PreDestroy
 	void destroy() {
 		timer.cancel();
 		timer = null;
 	}

 	@Override
 	public Locale getBrowserLocale() {
 		return webBrowser.getLocale();
 	}

 	@Override
 	public Boolean isHttps() {
 		return webBrowser.isSecureConnection();
 	}

 	@Override
 	public void schedule(IStateMachine statemachine, long milliseconds, MessageEvent event) {
 		if (timer == null) {
 			timer = new Timer();
 		} else {
 			timer.cancel();
 			timer.purge();
 			timer = new Timer();
 		}
 		timer.schedule(new EventSourceTask(statemachine, event), milliseconds);
 	}

 	class EventSourceTask extends TimerTask {
 		private IStateMachine statemachine;
 		private MessageEvent event;

 		public EventSourceTask(IStateMachine statemachine, MessageEvent event) {
 			this.statemachine = statemachine;
 			this.event = event;
 		}

 		@Override
 		public void run() {
 			if (UI.getCurrent().isAttached())
 				statemachine.processEvent(statemachine, event);
 		}
 	}

 	/**
 	 * @param doubleStr
 	 * @return Double independent of locale
 	 */
 	@Override
 	public Double parseDouble(String doubleStr) {
 		String doubleStrIn = doubleStr.replaceAll("[^\\d,\\.]++", "");
 		if (doubleStrIn.length() == 0) {
 			return 0.0;
 		}
 		if (doubleStrIn.matches(".+\\.\\d+,\\d+$"))
 			return Double.parseDouble(doubleStrIn.replaceAll("\\.", "").replaceAll(",", "."));
 		if (doubleStrIn.matches(".+,\\d+\\.\\d+$"))
 			return Double.parseDouble(doubleStrIn.replaceAll(",", ""));
 		return Double.parseDouble(doubleStrIn.replaceAll(",", "."));
 	}

 	/**
 	 * Format a double.
 	 *
 	 * @param value
 	 *            the value
 	 * @param length
 	 *            the total length of the resulting string
 	 * @param precision
 	 *            the precision after decimal separator
 	 * @return the string
 	 */
 	@Override
 	public String formatDouble(Double value, int length, int precision) {
 		String format = String.format("%% %d.%df", length, precision);
 		return String.format(locale, format, value);
 	}

 	@Override
 	public String getTranslation(String token) {
 		if (dslMetadataService != null && locale != null) {
 			return dslMetadataService.translate(locale.toLanguageTag(), token);
 		}
 		return token;
 	}

 	@Override
 	public void closeMessage(String messageId) {
 		if (messageDialogs.containsKey(messageId)) {
 			MessageDialog messageDialog = messageDialogs.get(messageId);
 			messageDialog.close();
 			UI.getCurrent().removeWindow(messageDialog);
 			messageDialogs.remove(messageId);
 		}
 	}

 	@Override
 	public void openMessage(String messageId) {
 		openMessage(messageId, false);
 	}

 	@Override
 	public void openMessage(String messageId, boolean okButton) {
 		MessageDialog messageDialog = new MessageDialog(messageId, getTranslation(messageId));
 		if (okButton) {
 			messageDialog.addButton(getTranslation("ok"), new MessageEvent(EventType.MESSAGECLOSE, messageId));
 			messageDialog.addButtonListener(this);
 		}
 		messageDialogs.put(messageId, messageDialog);
 		UI.getCurrent().addWindow(messageDialog);
 	}

 	@Override
 	public void openQuestion(String messageId, EventType type, String yesEvent, String noEvent, String cancelEvent) {
 		MessageDialog messageDialog = new MessageDialog(messageId, getTranslation(messageId));
 		messageDialog.addButton(getTranslation("yes"), new MessageEvent(type, yesEvent));
 		messageDialog.addButton(getTranslation("no"), new MessageEvent(type, noEvent));
 		messageDialog.addButton(getTranslation("cancel"), new MessageEvent(type, cancelEvent));
 		messageDialog.addButtonListener(this);
 		messageDialogs.put(messageId, messageDialog);
 		UI.getCurrent().addWindow(messageDialog);
 	}

 	@Override
 	public void messageButtonPressed(MessageRequesterEvent e) {
 		MessageDialog messageDialog = messageDialogs.get(e.getId());
 		messageDialog.close();
 		UI.getCurrent().removeWindow(messageDialog);
 		messageDialogs.remove(e.getId());
 		this.processEvent(this, e.getEventData());
 	}

 	@Override
 	public void dispatchMessages(MessageEvent event) {
 		if (event.getType() == MessageEvent.EventType.TRIGGER) {
 			lastTrigger = event.getId();
 		}
 		switch (event.getType()) {
 		case ERROR:
 			openMessage(event.getId(), true);
 			break;
 		case MESSAGEOPEN:
 			openMessage(event.getId());
 			break;
 		case MESSAGECLOSE:
 			closeMessage(event.getId());
 			break;
 		case STATUSOPEN:
 		case STATUSCLOSE:
 		default:
 			break;
 		}
 	}

 	@Override
 	public Object getStorage(String key, String attribute) {
 		if (storage.containsKey(key) && storage.get(key).containsKey(attribute)) {
 			return storage.get(key).get(attribute);
 		}
 		return null;
 	}

 	@Override
 	public Set<String> getStorageAttributes(String key) {
 		if (storage.containsKey(key)) {
 			return storage.get(key).keySet();
 		}
 		return Collections.emptySet();
 	}

 	@Override
 	public void putStorage(String key, String attribute, Object content) {
 		if (!storage.containsKey(key)) {
 			storage.put(key, new HashMap<String, Object>());
 		}
 		storage.get(key).put(attribute, content);
 	}

 	@Override
 	public void openChannel(SelectableChannel channel) {
 		this.channel = channel;
 	}

 	@Override
 	public SelectableChannel getChannel() {
 		return channel;
 	}

 	@Override
 	public void closeChannel() {
 		if (channel != null) {
 			try {
 				channel.close();
 			} catch (IOException e) { // NOSONAR
 				// do nothing
 			}
 		}
 	}

 	@Override
 	public String getLastTrigger() {
 		return lastTrigger;
 	}

 	@Override
 	public void setEclipseContext(IEclipseContext eclipseContext) {
 		this.eclipseContext = eclipseContext;
 	}

 	@Override
 	public IEclipseContext getEclipseContext() {
 		return eclipseContext;
 	}

 	@Override
 	public void sendSlaveData(Map<String, Object> data) {
 		String currentInstanceId = (String) getEclipseContext().get("e4ApplicationInstanceId");
 		List<ISession> sessions = POSServiceBinder.getSessionManager()
 				.getSessions((s) -> s.get("e4ApplicationInstanceId").equals(currentInstanceId));
 		if (!sessions.isEmpty()) {
 			List<ISession> slaves = sessions.get(0).getSlaves();
 			for (ISession slave : slaves) {
 				slave.async(e -> {
 					slave.sendData(data);
 					return true;
 				}, null);
 			}
 		}
 	}
 }
	/*
	*
	* Copyright (c) 2011 - 2016 - Loetz GmbH & Co KG, 69115 Heidelberg, Germany
	*
	* 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
	*
	* Initial contribution:
	* Loetz GmbH & Co. KG
	*
	*/
	package org.eclipse.osbp.abstractstatemachine;

	import java.io.IOException;
	import java.net.InetAddress;
	import java.net.UnknownHostException;
	import java.nio.channels.SelectableChannel;
	import java.util.Collection;
	import java.util.Collections;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Locale;
	import java.util.Map;
	import java.util.Set;
	import java.util.Timer;
	import java.util.TimerTask;
	import java.util.concurrent.CopyOnWriteArraySet;

	import javax.annotation.PreDestroy;

	import org.eclipse.e4.core.contexts.IEclipseContext;
	import org.eclipse.osbp.dsl.common.datatypes.IDto;
	import org.eclipse.osbp.runtime.common.filter.IQuery;
	import org.eclipse.osbp.runtime.common.session.ISession;
	import org.eclipse.osbp.ui.api.customfields.IBlobService;
	import org.eclipse.osbp.ui.api.message.IMessageRequester;
	import org.eclipse.osbp.ui.api.message.MessageEvent;
	import org.eclipse.osbp.ui.api.message.MessageEvent.EventType;
	import org.eclipse.osbp.ui.api.message.MessageRequesterEvent;
	import org.eclipse.osbp.ui.api.metadata.IDSLMetadataService;
	import org.eclipse.osbp.ui.api.report.IReportProvider;
	import org.eclipse.osbp.ui.api.statemachine.IDataProvider;
	import org.eclipse.osbp.ui.api.statemachine.IEventSource;
	import org.eclipse.osbp.ui.api.statemachine.IPeripheral;
	import org.eclipse.osbp.ui.api.statemachine.IStateMachine;
	import org.eclipse.osbp.ui.api.themes.IThemeResourceService;
	import org.eclipse.osbp.ui.api.user.IUser;
	import org.eclipse.osbp.utils.vaadin.MessageDialog;
	import org.eclipse.osbp.utils.vaadin.YesNoDialog;
	import org.joda.time.DateTime;
	import org.joda.time.DateTimeZone;
	import org.slf4j.Logger;

	import com.vaadin.server.Page;
	import com.vaadin.server.WebBrowser;
	import com.vaadin.ui.UI;

	public abstract class AbstractStateMachine implements IStateMachine, IMessageRequester.ClickRecipient {
	private static final String ENABLED = "Enabled";
	private static Logger logger = org.slf4j.LoggerFactory.getLogger("statemachine");
	protected Collection<IEventSource.Enabler> enablerList = new CopyOnWriteArraySet<>();
	protected Collection<IDataProvider.Provider> providerList = new CopyOnWriteArraySet<>();
	protected Collection<IPeripheral.Command> peripheralList = new CopyOnWriteArraySet<>();
	protected Map<String, MessageDialog> messageDialogs = new HashMap<>();
	protected Map<String, YesNoDialog> yesnoDialogs = new HashMap<>();
	protected WebBrowser webBrowser = Page.getCurrent().getWebBrowser();
	protected Timer timer;
	protected IUser user;
	protected Locale locale;
	protected IDSLMetadataService dslMetadataService;
	protected IThemeResourceService themeResourceService;
	protected IReportProvider reportProvider;
	protected IBlobService blobService;
	protected Map<String, Map<String, Object>> storage = new HashMap<>();
	protected SelectableChannel channel;
	protected String lastTrigger;
	protected IEclipseContext eclipseContext;

	private void addEventProvider(IEventSource.Enabler listener) {
	enablerList.add(listener);
	}

	private void removeEventProvider(IEventSource.Enabler listener) {
	enablerList.remove(listener);
	}

	@Override
	public void registerEnabler(IEventSource.Enabler listener) {
	addEventProvider(listener);
	}

	@Override
	public void unregisterEnabler(IEventSource.Enabler listener) {
	removeEventProvider(listener);
	}

	@Override
	public void setUser(IUser user) {
	this.user = user;
	}

	@Override
	public IUser getUser() {
	return user;
	}

	@Override
	public String getUserName() {
	return user.getUserName();
	}

	@Override
	public String getUserPassword() {
	return user.getExtraPassword();
	}

	@Override
	public String getUserEmail() {
	return user.getEmail();
	}

	@Override
	public String getUserPosition() {
	return user.getPosition();
	}

	@Override
	public String getUserPrintService() {
	return user.getPrintService();
	}

	@Override
	public void setLocale(Locale locale) {
	this.locale = locale;
	}

	@Override
	public Locale getLocale() {
	return locale;
	}

	@Override
	public void setDslMetadataService(IDSLMetadataService dslMetadataService) {
	this.dslMetadataService = dslMetadataService;
	}

	@Override
	public IDSLMetadataService getDslMetadataService() {
	return dslMetadataService;
	}

	@Override
	public IThemeResourceService getThemeResourceService() {
	return themeResourceService;
	}

	@Override
	public void setThemeResourceService(IThemeResourceService themeResourceService) {
	this.themeResourceService = themeResourceService;
	}

	@Override
	public void setReportProvider(IReportProvider reportprovider) {
	this.reportProvider = reportprovider;
	}

	@Override
	public IReportProvider getReportProvider() {
	return reportProvider;
	}

	@Override
	public IBlobService getBlobService() {
	return blobService;
	}

	@Override
	public void setBlobService(IBlobService blobService) {
	this.blobService = blobService;
	}

	@Override
	public void enable(String id, Boolean enable) {
	for (IEventSource.Enabler listener : enablerList) {
	listener.enable(listener, id, enable);
	}
	}

	@Override
	public void toggle(String id) {
	for (IEventSource.Enabler listener : enablerList) {
	listener.toggle(listener, id + ENABLED);
	}
	for (IDataProvider.Provider listener : providerList) {
	listener.toggle(listener, id + ENABLED);
	}
	for (IPeripheral.Command listener : peripheralList) {
	listener.toggle(listener, id + ENABLED);
	}
	}

	@Override
	public Object get(String id) {
	Object value;
	for (IEventSource.Enabler listener : enablerList) {
	value = listener.get(listener, id);
	if (value != null) {
	return value;
	}
	}
	for (IDataProvider.Provider listener : providerList) {
	value = listener.get(listener, id);
	if (value != null) {
	return value;
	}
	}
	for (IPeripheral.Command listener : peripheralList) {
	value = listener.get(listener, id);
	if (value != null) {
	return value;
	}
	}
	return null;
	}

	@Override
	public void set(String id, Object content) {
	for (IEventSource.Enabler listener : enablerList) {
	listener.set(listener, id, content);
	}
	for (IDataProvider.Provider listener : providerList) {
	listener.set(listener, id, content);
	}
	for (IPeripheral.Command listener : peripheralList) {
	listener.set(listener, id, content);
	}
	}

	@Override
	public void set(String id, String device, Object content) {
	for (IPeripheral.Command listener : peripheralList) {
	listener.set(listener, id, device, content);
	}
	}

	@Override
	public void clear(String id) {
	for (IEventSource.Enabler listener : enablerList) {
	listener.clear(listener, id);
	}
	for (IDataProvider.Provider listener : providerList) {
	listener.clear(listener, id);
	}
	for (IPeripheral.Command listener : peripheralList) {
	listener.clear(listener, id);
	}
	}

	@Override
	public void append(String id, String key) {
	for (IEventSource.Enabler listener : enablerList) {
	listener.append(listener, id, key);
	}
	}

	@Override
	public void remove(String id, int pos) {
	for (IEventSource.Enabler listener : enablerList) {
	listener.remove(listener, id, pos);
	}
	}

	@Override
	public void caption(String id, String value) {
	for (IEventSource.Enabler listener : enablerList) {
	listener.caption(listener, id, value);
	}
	}

	@Override
	public void image(String id, String imageName) {
	for (IEventSource.Enabler listener : enablerList) {
	listener.image(listener, id, imageName);
	}
	}

	@Override
	public void addDataProvider(IDataProvider.Provider listener) {
	providerList.add(listener);
	}

	@Override
	public void removeDataProvider(IDataProvider.Provider listener) {
	providerList.remove(listener);
	}

	@Override
	public void registerDataProvider(IDataProvider.Provider listener) {
	addDataProvider(listener);
	}

	@Override
	public void unregisterDataProvider(IDataProvider.Provider listener) {
	removeDataProvider(listener);
	}

	public void addPeripheral(IPeripheral.Command listener) {
	peripheralList.add(listener);
	}

	public void removePeripheral(IPeripheral.Command listener) {
	peripheralList.remove(listener);
	}

	@Override
	public void registerPeripheral(IPeripheral.Command listener) {
	addPeripheral(listener);
	}

	@Override
	public void unregisterPeripheral(IPeripheral.Command listener) {
	removePeripheral(listener);
	}

	@Override
	public Boolean find(String dtoName, IQuery query) {
	Boolean retVal;
	for (IDataProvider.Provider listener : providerList) {
	retVal = listener.find(listener, dtoName, query);
	if (retVal != null) {
	return retVal;
	}
	}
	return false;
	}

	@Override
	public Boolean find(String dtoName, String fieldName, Object search) {
	Boolean retVal;
	for (IDataProvider.Provider listener : providerList) {
	retVal = listener.find(listener, dtoName, fieldName, search);
	if (retVal != null) {
	return retVal;
	}
	}
	return false;
	}

	@Override
	public Collection<? extends IDto> findAll(String dtoName, IQuery query) {
	Collection<? extends IDto> retVal;
	for (IDataProvider.Provider listener : providerList) {
	retVal = listener.findAll(dtoName, query);
	if (retVal != null) {
	return retVal;
	}
	}
	return Collections.emptyList();
	}

	@Override
	public Collection<? extends IDto> findAll(String dtoName, String fieldName, Object search) {
	Collection<? extends IDto> retVal;
	for (IDataProvider.Provider listener : providerList) {
	retVal = listener.findAll(dtoName, fieldName, search);
	if (retVal != null) {
	return retVal;
	}
	}
	return Collections.emptyList();
	}

	@Override
	public void addTo(String dtoName, String listName, IDto dto) {
	for (IDataProvider.Provider listener : providerList) {
	listener.addTo(listener, dtoName, listName, dto);
	}
	}

	@Override
	public void removeFrom(String dtoName, String listName, IDto dto) {
	for (IDataProvider.Provider listener : providerList) {
	listener.removeFrom(listener, dtoName, listName, dto);
	}
	}

	@Override
	public void update(String dtoName) {
	for (IDataProvider.Provider listener : providerList) {
	listener.update(listener, dtoName, (IDto) listener.get(listener, dtoName));
	}
	}

	@Override
	public void reload(String dtoName) {
	for (IDataProvider.Provider listener : providerList) {
	listener.reload(listener, dtoName, (IDto) listener.get(listener, dtoName));
	}
	}

	@Override
	public void delete(String dtoName) {
	for (IDataProvider.Provider listener : providerList) {
	listener.delete(listener, dtoName, (IDto) listener.get(listener, dtoName));
	}
	}

	@Override
	public String getIPAddress() {
	// must define -Djava.net.preferIPv4Stack=true to always get IPv4 in
	// dual stack environments
	return webBrowser.getAddress(); // May be null, especially if running in
	// a Portlet.
	}

	@Override
	public String getHostName() {
	String hostName = null;
	try {
	InetAddress netAddress = InetAddress.getByName(webBrowser.getAddress());
	hostName = netAddress.getHostName();
	} catch (UnknownHostException e) {
	logger.error("{}", e);
	}
	return hostName;
	}

	@Override
	public boolean isItMe(String hostName) {
	String hostAddress;
	try {
	InetAddress netAddress = InetAddress.getByName(hostName);
	hostAddress = netAddress.getHostAddress();
	} catch (UnknownHostException e) {
	logger.error("{}", e);
	return false;
	}
	return getIPAddress().equals(hostAddress);
	}

	@Override
	public DateTime getNow() {
	return DateTime.now(DateTimeZone.UTC);
	}

	@Override
	public String getUserAgentInfo() {
	return webBrowser.getBrowserApplication();
	}

	@Override
	public Boolean isTouchDevice() {
	return webBrowser.isTouchDevice();
	}

	@Override
	public int getSceenWidth() {
	return webBrowser.getScreenWidth();
	}

	@Override
	public int getScreenHeight() {
	return webBrowser.getScreenHeight();
	}

	@PreDestroy
	void destroy() {
	timer.cancel();
	timer = null;
	}

	@Override
	public Locale getBrowserLocale() {
	return webBrowser.getLocale();
	}

	@Override
	public Boolean isHttps() {
	return webBrowser.isSecureConnection();
	}

	@Override
	public void schedule(IStateMachine statemachine, long milliseconds, MessageEvent event) {
	if (timer == null) {
	timer = new Timer();
	} else {
	timer.cancel();
	timer.purge();
	timer = new Timer();
	}
	timer.schedule(new EventSourceTask(statemachine, event), milliseconds);
	}

	class EventSourceTask extends TimerTask {
	private IStateMachine statemachine;
	private MessageEvent event;

	public EventSourceTask(IStateMachine statemachine, MessageEvent event) {
	this.statemachine = statemachine;
	this.event = event;
	}

	@Override
	public void run() {
	if (UI.getCurrent().isAttached())
	statemachine.processEvent(statemachine, event);
	}
	}

	/**
	* @param doubleStr
	* @return Double independent of locale
	*/
	@Override
	public Double parseDouble(String doubleStr) {
	String doubleStrIn = doubleStr.replaceAll("[^\\d,\\.]++", "");
	if (doubleStrIn.length() == 0) {
	return 0.0;
	}
	if (doubleStrIn.matches(".+\\.\\d+,\\d+$"))
	return Double.parseDouble(doubleStrIn.replaceAll("\\.", "").replaceAll(",", "."));
	if (doubleStrIn.matches(".+,\\d+\\.\\d+$"))
	return Double.parseDouble(doubleStrIn.replaceAll(",", ""));
	return Double.parseDouble(doubleStrIn.replaceAll(",", "."));
	}

	/**
	* Format a double.
	*
	* @param value
	* the value
	* @param length
	* the total length of the resulting string
	* @param precision
	* the precision after decimal separator
	* @return the string
	*/
	@Override
	public String formatDouble(Double value, int length, int precision) {
	String format = String.format("%% %d.%df", length, precision);
	return String.format(locale, format, value);
	}

	@Override
	public String getTranslation(String token) {
	if (dslMetadataService != null && locale != null) {
	return dslMetadataService.translate(locale.toLanguageTag(), token);
	}
	return token;
	}

	@Override
	public void closeMessage(String messageId) {
	if (messageDialogs.containsKey(messageId)) {
	MessageDialog messageDialog = messageDialogs.get(messageId);
	messageDialog.close();
	UI.getCurrent().removeWindow(messageDialog);
	messageDialogs.remove(messageId);
	}
	}

	@Override
	public void openMessage(String messageId) {
	openMessage(messageId, false);
	}

	@Override
	public void openMessage(String messageId, boolean okButton) {
	MessageDialog messageDialog = new MessageDialog(messageId, getTranslation(messageId));
	if (okButton) {
	messageDialog.addButton(getTranslation("ok"), new MessageEvent(EventType.MESSAGECLOSE, messageId));
	messageDialog.addButtonListener(this);
	}
	messageDialogs.put(messageId, messageDialog);
	UI.getCurrent().addWindow(messageDialog);
	}

	@Override
	public void openQuestion(String messageId, EventType type, String yesEvent, String noEvent, String cancelEvent) {
	MessageDialog messageDialog = new MessageDialog(messageId, getTranslation(messageId));
	messageDialog.addButton(getTranslation("yes"), new MessageEvent(type, yesEvent));
	messageDialog.addButton(getTranslation("no"), new MessageEvent(type, noEvent));
	messageDialog.addButton(getTranslation("cancel"), new MessageEvent(type, cancelEvent));
	messageDialog.addButtonListener(this);
	messageDialogs.put(messageId, messageDialog);
	UI.getCurrent().addWindow(messageDialog);
	}

	@Override
	public void messageButtonPressed(MessageRequesterEvent e) {
	MessageDialog messageDialog = messageDialogs.get(e.getId());
	messageDialog.close();
	UI.getCurrent().removeWindow(messageDialog);
	messageDialogs.remove(e.getId());
	this.processEvent(this, e.getEventData());
	}

	@Override
	public void dispatchMessages(MessageEvent event) {
	if (event.getType() == MessageEvent.EventType.TRIGGER) {
	lastTrigger = event.getId();
	}
	switch (event.getType()) {
	case ERROR:
	openMessage(event.getId(), true);
	break;
	case MESSAGEOPEN:
	openMessage(event.getId());
	break;
	case MESSAGECLOSE:
	closeMessage(event.getId());
	break;
	case STATUSOPEN:
	case STATUSCLOSE:
	default:
	break;
	}
	}

	@Override
	public Object getStorage(String key, String attribute) {
	if (storage.containsKey(key) && storage.get(key).containsKey(attribute)) {
	return storage.get(key).get(attribute);
	}
	return null;
	}

	@Override
	public Set<String> getStorageAttributes(String key) {
	if (storage.containsKey(key)) {
	return storage.get(key).keySet();
	}
	return Collections.emptySet();
	}

	@Override
	public void putStorage(String key, String attribute, Object content) {
	if (!storage.containsKey(key)) {
	storage.put(key, new HashMap<String, Object>());
	}
	storage.get(key).put(attribute, content);
	}

	@Override
	public void openChannel(SelectableChannel channel) {
	this.channel = channel;
	}

	@Override
	public SelectableChannel getChannel() {
	return channel;
	}

	@Override
	public void closeChannel() {
	if (channel != null) {
	try {
	channel.close();
	} catch (IOException e) { // NOSONAR
	// do nothing
	}
	}
	}

	@Override
	public String getLastTrigger() {
	return lastTrigger;
	}

	@Override
	public void setEclipseContext(IEclipseContext eclipseContext) {
	this.eclipseContext = eclipseContext;
	}

	@Override
	public IEclipseContext getEclipseContext() {
	return eclipseContext;
	}

	@Override
	public void sendSlaveData(Map<String, Object> data) {
	String currentInstanceId = (String) getEclipseContext().get("e4ApplicationInstanceId");
	List<ISession> sessions = POSServiceBinder.getSessionManager()
	.getSessions((s) -> s.get("e4ApplicationInstanceId").equals(currentInstanceId));
	if (!sessions.isEmpty()) {
	List<ISession> slaves = sessions.get(0).getSlaves();
	for (ISession slave : slaves) {
	slave.async(e -> {
	slave.sendData(data);
	return true;
	}, null);
	}
	}
	}
	}