bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/handlers/HandlerPersistence.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005, 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.ui.internal.handlers;

 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;

 import org.eclipse.core.commands.IHandler;
 import org.eclipse.core.expressions.Expression;
 import org.eclipse.core.runtime.IConfigurationElement;
 import org.eclipse.core.runtime.IExtensionDelta;
 import org.eclipse.core.runtime.IExtensionRegistry;
 import org.eclipse.core.runtime.IRegistryChangeEvent;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.handlers.IHandlerActivation;
 import org.eclipse.ui.handlers.IHandlerService;
 import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants;
 import org.eclipse.ui.internal.services.RegistryPersistence;
 import org.eclipse.ui.services.IEvaluationService;

 /**
  * <p>
  * A static class for accessing the registry.
  * </p>
  *
  * @since 3.1
  */
 public final class HandlerPersistence extends RegistryPersistence {

 	/**
 	 * The index of the command elements in the indexed array.
 	 *
 	 * @see HandlerPersistence#read()
 	 */
 	private static final int INDEX_COMMAND_DEFINITIONS = 0;

 	/**
 	 * The index of the command elements in the indexed array.
 	 *
 	 * @see HandlerPersistence#read()
 	 */
 	private static final int INDEX_HANDLER_DEFINITIONS = 1;

 	/**
 	 * The index of the handler submissions in the indexed array.
 	 *
 	 * @see HandlerPersistence#read()
 	 */
 	private static final int INDEX_HANDLER_SUBMISSIONS = 2;

 	/**
 	 * The handler activations that have come from the registry. This is used to
 	 * flush the activations when the registry is re-read. This value is never
 	 * <code>null</code>
 	 */
 	private final Collection handlerActivations = new ArrayList();

 	/**
 	 * The handler service with which this persistence class is associated. This
 	 * value must not be <code>null</code>.
 	 */
 	private final IHandlerService handlerService;

 	private IEvaluationService evaluationService;

 	/**
 	 * Constructs a new instance of <code>HandlerPersistence</code>.
 	 *
 	 * @param handlerService
 	 *            The handler service with which the handlers should be
 	 *            registered; must not be <code>null</code>.
 	 * @param evaluationService
 	 *            The evaluation service used by handler proxies with enabled
 	 *            when expressions
 	 */
 	HandlerPersistence(final IHandlerService handlerService,
 			IEvaluationService evaluationService) {
 		this.handlerService = handlerService;
 		this.evaluationService = evaluationService;
 	}

 	/**
 	 * Deactivates all of the activations made by this class, and then clears
 	 * the collection. This should be called before every read.
 	 *
 	 * @param handlerService
 	 *            The service handling the activations; must not be
 	 *            <code>null</code>.
 	 */
 	private final void clearActivations(final IHandlerService handlerService) {
 		handlerService.deactivateHandlers(handlerActivations);
 		Iterator i = handlerActivations.iterator();
 		while (i.hasNext()) {
 			IHandlerActivation activation = (IHandlerActivation) i.next();
 			if (activation.getHandler()!=null) {
 				activation.getHandler().dispose();
 			}
 		}
 		handlerActivations.clear();
 	}

 	public final void dispose() {
 		super.dispose();
 		clearActivations(handlerService);
 	}

 	protected final boolean isChangeImportant(final IRegistryChangeEvent event) {
 		return false;
 	}

 	public boolean handlersNeedUpdating(final IRegistryChangeEvent event) {
 		/*
 		 * Handlers will need to be re-read (i.e., re-verified) if any of the
 		 * handler extensions change (i.e., handlers, commands), or if any of
 		 * the command extensions change (i.e., action definitions).
 		 */
 		final IExtensionDelta[] handlerDeltas = event.getExtensionDeltas(
 				PlatformUI.PLUGIN_ID, IWorkbenchRegistryConstants.PL_HANDLERS);
 		if (handlerDeltas.length == 0) {
 			final IExtensionDelta[] commandDeltas = event.getExtensionDeltas(
 					PlatformUI.PLUGIN_ID,
 					IWorkbenchRegistryConstants.PL_COMMANDS);
 			if (commandDeltas.length == 0) {
 				final IExtensionDelta[] actionDefinitionDeltas = event
 						.getExtensionDeltas(
 								PlatformUI.PLUGIN_ID,
 								IWorkbenchRegistryConstants.PL_ACTION_DEFINITIONS);
 				if (actionDefinitionDeltas.length == 0) {
 					return false;
 				}
 			}
 		}

 		return true;
 	}

 	/**
 	 * Reads all of the handlers from the registry
 	 *
 	 * @param handlerService
 	 *            The handler service which should be populated with the values
 	 *            from the registry; must not be <code>null</code>.
 	 */
 	protected final void read() {
 		super.read();
 		reRead();
 	}

 	public final void reRead() {
 		// Create the extension registry mementos.
 		final IExtensionRegistry registry = Platform.getExtensionRegistry();
 		int commandDefinitionCount = 0;
 		int handlerDefinitionCount = 0;
 		int handlerSubmissionCount = 0;
 		final IConfigurationElement[][] indexedConfigurationElements = new IConfigurationElement[3][];

 		// Sort the commands extension point based on element name.
 		final IConfigurationElement[] commandsExtensionPoint = registry
 				.getConfigurationElementsFor(EXTENSION_COMMANDS);
 		for (int i = 0; i < commandsExtensionPoint.length; i++) {
 			final IConfigurationElement configurationElement = commandsExtensionPoint[i];
 			final String name = configurationElement.getName();

 			// Check if it is a handler submission or a command definition.
 			if (TAG_HANDLER_SUBMISSION.equals(name)) {
 				addElementToIndexedArray(configurationElement,
 						indexedConfigurationElements,
 						INDEX_HANDLER_SUBMISSIONS, handlerSubmissionCount++);
 			} else if (TAG_COMMAND.equals(name)) {
 				addElementToIndexedArray(configurationElement,
 						indexedConfigurationElements,
 						INDEX_COMMAND_DEFINITIONS, commandDefinitionCount++);
 			}
 		}

 		// Sort the handler extension point based on element name.
 		final IConfigurationElement[] handlersExtensionPoint = registry
 				.getConfigurationElementsFor(EXTENSION_HANDLERS);
 		for (int i = 0; i < handlersExtensionPoint.length; i++) {
 			final IConfigurationElement configurationElement = handlersExtensionPoint[i];
 			final String name = configurationElement.getName();

 			// Check if it is a handler submission or a command definition.
 			if (TAG_HANDLER.equals(name)) {
 				addElementToIndexedArray(configurationElement,
 						indexedConfigurationElements,
 						INDEX_HANDLER_DEFINITIONS, handlerDefinitionCount++);
 			}
 		}

 		clearActivations(handlerService);
 		readDefaultHandlersFromRegistry(
 				indexedConfigurationElements[INDEX_COMMAND_DEFINITIONS],
 				commandDefinitionCount);
 		readHandlerSubmissionsFromRegistry(
 				indexedConfigurationElements[INDEX_HANDLER_SUBMISSIONS],
 				handlerSubmissionCount);
 		readHandlersFromRegistry(
 				indexedConfigurationElements[INDEX_HANDLER_DEFINITIONS],
 				handlerDefinitionCount);
 	}

 	/**
 	 * Reads the default handlers from an array of command elements from the
 	 * commands extension point.
 	 *
 	 * @param configurationElements
 	 *            The configuration elements in the commands extension point;
 	 *            must not be <code>null</code>, but may be empty.
 	 * @param configurationElementCount
 	 *            The number of configuration elements that are really in the
 	 *            array.
 	 */
 	private final void readDefaultHandlersFromRegistry(
 			final IConfigurationElement[] configurationElements,
 			final int configurationElementCount) {
 		for (int i = 0; i < configurationElementCount; i++) {
 			final IConfigurationElement configurationElement = configurationElements[i];

 			/*
 			 * Read out the command identifier. This was already checked by
 			 * <code>CommandPersistence</code>, so we'll just ignore any
 			 * problems here.
 			 */
 			final String commandId = readOptional(configurationElement, ATT_ID);
 			if (commandId == null) {
 				continue;
 			}

 			// Check to see if we have a default handler of any kind.
 			if ((configurationElement.getAttribute(ATT_DEFAULT_HANDLER) == null)
 					&& (configurationElement.getChildren(TAG_DEFAULT_HANDLER).length == 0)) {
 				continue;
 			}

 			handlerActivations.add(handlerService
 					.activateHandler(commandId, new HandlerProxy(commandId,
 							configurationElement, ATT_DEFAULT_HANDLER)));
 		}
 	}

 	/**
 	 * Reads all of the handlers from the handlers extension point.
 	 *
 	 * @param configurationElements
 	 *            The configuration elements in the commands extension point;
 	 *            must not be <code>null</code>, but may be empty.
 	 * @param configurationElementCount
 	 *            The number of configuration elements that are really in the
 	 *            array.
 	 * @param handlerService
 	 *            The handler service to which the handlers should be added;
 	 *            must not be <code>null</code>.
 	 */
 	private final void readHandlersFromRegistry(
 			final IConfigurationElement[] configurationElements,
 			final int configurationElementCount) {
 		final List warningsToLog = new ArrayList(1);

 		for (int i = 0; i < configurationElementCount; i++) {
 			final IConfigurationElement configurationElement = configurationElements[i];

 			// Read out the command identifier.
 			final String commandId = readRequired(configurationElement,
 					ATT_COMMAND_ID, warningsToLog, "Handlers need a command id"); //$NON-NLS-1$
 			if (commandId == null) {
 				continue;
 			}

 			// Check to see if we have a handler class.
 			if (!checkClass(configurationElement, warningsToLog,
 					"Handlers need a class", commandId)) { //$NON-NLS-1$
 				continue;
 			}

 			// Get the activeWhen and enabledWhen expressions.
 			final Expression activeWhenExpression = readWhenElement(
 					configurationElement, TAG_ACTIVE_WHEN, commandId,
 					warningsToLog);
 			if (activeWhenExpression == ERROR_EXPRESSION) {
 				continue;
 			}
 			final Expression enabledWhenExpression = readWhenElement(
 					configurationElement, TAG_ENABLED_WHEN, commandId,
 					warningsToLog);
 			if (enabledWhenExpression == ERROR_EXPRESSION) {
 				continue;
 			}

 			final IHandler proxy = new HandlerProxy(commandId, configurationElement,
 					ATT_CLASS, enabledWhenExpression, evaluationService);
 			handlerActivations.add(handlerService.activateHandler(commandId,
 					proxy, activeWhenExpression));

 			// Read out the help context identifier.
 			final String helpContextId = readOptional(configurationElement,
 					ATT_HELP_CONTEXT_ID);
 			handlerService.setHelpContextId(proxy, helpContextId);
 		}

 		logWarnings(
 				warningsToLog,
 				"Warnings while parsing the handlers from the 'org.eclipse.ui.handlers' extension point."); //$NON-NLS-1$
 	}

 	/**
 	 * Reads all of the handler submissions from the commands extension point.
 	 *
 	 * @param configurationElements
 	 *            The configuration elements in the commands extension point;
 	 *            must not be <code>null</code>, but may be empty.
 	 * @param configurationElementCount
 	 *            The number of configuration elements that are really in the
 	 *            array.
 	 * @param handlerService
 	 *            The handler service to which the handlers should be added;
 	 *            must not be <code>null</code>.
 	 */
 	private final void readHandlerSubmissionsFromRegistry(
 			final IConfigurationElement[] configurationElements,
 			final int configurationElementCount) {
 		final List warningsToLog = new ArrayList(1);

 		for (int i = 0; i < configurationElementCount; i++) {
 			final IConfigurationElement configurationElement = configurationElements[i];

 			// Read out the command identifier.
 			final String commandId = readRequired(configurationElement,
 					ATT_COMMAND_ID, warningsToLog,
 					"Handler submissions need a command id"); //$NON-NLS-1$
 			if (commandId == null) {
 				continue;
 			}

 			handlerActivations.add(handlerService.activateHandler(commandId,
 					new LegacyHandlerWrapper(new LegacyHandlerProxy(
 							configurationElement))));
 		}

 		logWarnings(
 				warningsToLog,
 				"Warnings while parsing the handler submissions from the 'org.eclipse.ui.commands' extension point."); //$NON-NLS-1$
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2005, 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.ui.internal.handlers;

	import java.util.ArrayList;
	import java.util.Collection;
	import java.util.Iterator;
	import java.util.List;

	import org.eclipse.core.commands.IHandler;
	import org.eclipse.core.expressions.Expression;
	import org.eclipse.core.runtime.IConfigurationElement;
	import org.eclipse.core.runtime.IExtensionDelta;
	import org.eclipse.core.runtime.IExtensionRegistry;
	import org.eclipse.core.runtime.IRegistryChangeEvent;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.handlers.IHandlerActivation;
	import org.eclipse.ui.handlers.IHandlerService;
	import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants;
	import org.eclipse.ui.internal.services.RegistryPersistence;
	import org.eclipse.ui.services.IEvaluationService;

	/**
	* <p>
	* A static class for accessing the registry.
	* </p>
	*
	* @since 3.1
	*/
	public final class HandlerPersistence extends RegistryPersistence {

	/**
	* The index of the command elements in the indexed array.
	*
	* @see HandlerPersistence#read()
	*/
	private static final int INDEX_COMMAND_DEFINITIONS = 0;

	/**
	* The index of the command elements in the indexed array.
	*
	* @see HandlerPersistence#read()
	*/
	private static final int INDEX_HANDLER_DEFINITIONS = 1;

	/**
	* The index of the handler submissions in the indexed array.
	*
	* @see HandlerPersistence#read()
	*/
	private static final int INDEX_HANDLER_SUBMISSIONS = 2;

	/**
	* The handler activations that have come from the registry. This is used to
	* flush the activations when the registry is re-read. This value is never
	* <code>null</code>
	*/
	private final Collection handlerActivations = new ArrayList();

	/**
	* The handler service with which this persistence class is associated. This
	* value must not be <code>null</code>.
	*/
	private final IHandlerService handlerService;

	private IEvaluationService evaluationService;

	/**
	* Constructs a new instance of <code>HandlerPersistence</code>.
	*
	* @param handlerService
	* The handler service with which the handlers should be
	* registered; must not be <code>null</code>.
	* @param evaluationService
	* The evaluation service used by handler proxies with enabled
	* when expressions
	*/
	HandlerPersistence(final IHandlerService handlerService,
	IEvaluationService evaluationService) {
	this.handlerService = handlerService;
	this.evaluationService = evaluationService;
	}

	/**
	* Deactivates all of the activations made by this class, and then clears
	* the collection. This should be called before every read.
	*
	* @param handlerService
	* The service handling the activations; must not be
	* <code>null</code>.
	*/
	private final void clearActivations(final IHandlerService handlerService) {
	handlerService.deactivateHandlers(handlerActivations);
	Iterator i = handlerActivations.iterator();
	while (i.hasNext()) {
	IHandlerActivation activation = (IHandlerActivation) i.next();
	if (activation.getHandler()!=null) {
	activation.getHandler().dispose();
	}
	}
	handlerActivations.clear();
	}

	public final void dispose() {
	super.dispose();
	clearActivations(handlerService);
	}

	protected final boolean isChangeImportant(final IRegistryChangeEvent event) {
	return false;
	}

	public boolean handlersNeedUpdating(final IRegistryChangeEvent event) {
	/*
	* Handlers will need to be re-read (i.e., re-verified) if any of the
	* handler extensions change (i.e., handlers, commands), or if any of
	* the command extensions change (i.e., action definitions).
	*/
	final IExtensionDelta[] handlerDeltas = event.getExtensionDeltas(
	PlatformUI.PLUGIN_ID, IWorkbenchRegistryConstants.PL_HANDLERS);
	if (handlerDeltas.length == 0) {
	final IExtensionDelta[] commandDeltas = event.getExtensionDeltas(
	PlatformUI.PLUGIN_ID,
	IWorkbenchRegistryConstants.PL_COMMANDS);
	if (commandDeltas.length == 0) {
	final IExtensionDelta[] actionDefinitionDeltas = event
	.getExtensionDeltas(
	PlatformUI.PLUGIN_ID,
	IWorkbenchRegistryConstants.PL_ACTION_DEFINITIONS);
	if (actionDefinitionDeltas.length == 0) {
	return false;
	}
	}
	}

	return true;
	}

	/**
	* Reads all of the handlers from the registry
	*
	* @param handlerService
	* The handler service which should be populated with the values
	* from the registry; must not be <code>null</code>.
	*/
	protected final void read() {
	super.read();
	reRead();
	}

	public final void reRead() {
	// Create the extension registry mementos.
	final IExtensionRegistry registry = Platform.getExtensionRegistry();
	int commandDefinitionCount = 0;
	int handlerDefinitionCount = 0;
	int handlerSubmissionCount = 0;
	final IConfigurationElement[][] indexedConfigurationElements = new IConfigurationElement[3][];

	// Sort the commands extension point based on element name.
	final IConfigurationElement[] commandsExtensionPoint = registry
	.getConfigurationElementsFor(EXTENSION_COMMANDS);
	for (int i = 0; i < commandsExtensionPoint.length; i++) {
	final IConfigurationElement configurationElement = commandsExtensionPoint[i];
	final String name = configurationElement.getName();

	// Check if it is a handler submission or a command definition.
	if (TAG_HANDLER_SUBMISSION.equals(name)) {
	addElementToIndexedArray(configurationElement,
	indexedConfigurationElements,
	INDEX_HANDLER_SUBMISSIONS, handlerSubmissionCount++);
	} else if (TAG_COMMAND.equals(name)) {
	addElementToIndexedArray(configurationElement,
	indexedConfigurationElements,
	INDEX_COMMAND_DEFINITIONS, commandDefinitionCount++);
	}
	}

	// Sort the handler extension point based on element name.
	final IConfigurationElement[] handlersExtensionPoint = registry
	.getConfigurationElementsFor(EXTENSION_HANDLERS);
	for (int i = 0; i < handlersExtensionPoint.length; i++) {
	final IConfigurationElement configurationElement = handlersExtensionPoint[i];
	final String name = configurationElement.getName();

	// Check if it is a handler submission or a command definition.
	if (TAG_HANDLER.equals(name)) {
	addElementToIndexedArray(configurationElement,
	indexedConfigurationElements,
	INDEX_HANDLER_DEFINITIONS, handlerDefinitionCount++);
	}
	}

	clearActivations(handlerService);
	readDefaultHandlersFromRegistry(
	indexedConfigurationElements[INDEX_COMMAND_DEFINITIONS],
	commandDefinitionCount);
	readHandlerSubmissionsFromRegistry(
	indexedConfigurationElements[INDEX_HANDLER_SUBMISSIONS],
	handlerSubmissionCount);
	readHandlersFromRegistry(
	indexedConfigurationElements[INDEX_HANDLER_DEFINITIONS],
	handlerDefinitionCount);
	}

	/**
	* Reads the default handlers from an array of command elements from the
	* commands extension point.
	*
	* @param configurationElements
	* The configuration elements in the commands extension point;
	* must not be <code>null</code>, but may be empty.
	* @param configurationElementCount
	* The number of configuration elements that are really in the
	* array.
	*/
	private final void readDefaultHandlersFromRegistry(
	final IConfigurationElement[] configurationElements,
	final int configurationElementCount) {
	for (int i = 0; i < configurationElementCount; i++) {
	final IConfigurationElement configurationElement = configurationElements[i];

	/*
	* Read out the command identifier. This was already checked by
	* <code>CommandPersistence</code>, so we'll just ignore any
	* problems here.
	*/
	final String commandId = readOptional(configurationElement, ATT_ID);
	if (commandId == null) {
	continue;
	}

	// Check to see if we have a default handler of any kind.
	if ((configurationElement.getAttribute(ATT_DEFAULT_HANDLER) == null)
	&& (configurationElement.getChildren(TAG_DEFAULT_HANDLER).length == 0)) {
	continue;
	}

	handlerActivations.add(handlerService
	.activateHandler(commandId, new HandlerProxy(commandId,
	configurationElement, ATT_DEFAULT_HANDLER)));
	}
	}

	/**
	* Reads all of the handlers from the handlers extension point.
	*
	* @param configurationElements
	* The configuration elements in the commands extension point;
	* must not be <code>null</code>, but may be empty.
	* @param configurationElementCount
	* The number of configuration elements that are really in the
	* array.
	* @param handlerService
	* The handler service to which the handlers should be added;
	* must not be <code>null</code>.
	*/
	private final void readHandlersFromRegistry(
	final IConfigurationElement[] configurationElements,
	final int configurationElementCount) {
	final List warningsToLog = new ArrayList(1);

	for (int i = 0; i < configurationElementCount; i++) {
	final IConfigurationElement configurationElement = configurationElements[i];

	// Read out the command identifier.
	final String commandId = readRequired(configurationElement,
	ATT_COMMAND_ID, warningsToLog, "Handlers need a command id"); //$NON-NLS-1$
	if (commandId == null) {
	continue;
	}

	// Check to see if we have a handler class.
	if (!checkClass(configurationElement, warningsToLog,
	"Handlers need a class", commandId)) { //$NON-NLS-1$
	continue;
	}

	// Get the activeWhen and enabledWhen expressions.
	final Expression activeWhenExpression = readWhenElement(
	configurationElement, TAG_ACTIVE_WHEN, commandId,
	warningsToLog);
	if (activeWhenExpression == ERROR_EXPRESSION) {
	continue;
	}
	final Expression enabledWhenExpression = readWhenElement(
	configurationElement, TAG_ENABLED_WHEN, commandId,
	warningsToLog);
	if (enabledWhenExpression == ERROR_EXPRESSION) {
	continue;
	}

	final IHandler proxy = new HandlerProxy(commandId, configurationElement,
	ATT_CLASS, enabledWhenExpression, evaluationService);
	handlerActivations.add(handlerService.activateHandler(commandId,
	proxy, activeWhenExpression));

	// Read out the help context identifier.
	final String helpContextId = readOptional(configurationElement,
	ATT_HELP_CONTEXT_ID);
	handlerService.setHelpContextId(proxy, helpContextId);
	}

	logWarnings(
	warningsToLog,
	"Warnings while parsing the handlers from the 'org.eclipse.ui.handlers' extension point."); //$NON-NLS-1$
	}

	/**
	* Reads all of the handler submissions from the commands extension point.
	*
	* @param configurationElements
	* The configuration elements in the commands extension point;
	* must not be <code>null</code>, but may be empty.
	* @param configurationElementCount
	* The number of configuration elements that are really in the
	* array.
	* @param handlerService
	* The handler service to which the handlers should be added;
	* must not be <code>null</code>.
	*/
	private final void readHandlerSubmissionsFromRegistry(
	final IConfigurationElement[] configurationElements,
	final int configurationElementCount) {
	final List warningsToLog = new ArrayList(1);

	for (int i = 0; i < configurationElementCount; i++) {
	final IConfigurationElement configurationElement = configurationElements[i];

	// Read out the command identifier.
	final String commandId = readRequired(configurationElement,
	ATT_COMMAND_ID, warningsToLog,
	"Handler submissions need a command id"); //$NON-NLS-1$
	if (commandId == null) {
	continue;
	}

	handlerActivations.add(handlerService.activateHandler(commandId,
	new LegacyHandlerWrapper(new LegacyHandlerProxy(
	configurationElement))));
	}

	logWarnings(
	warningsToLog,
	"Warnings while parsing the handler submissions from the 'org.eclipse.ui.commands' extension point."); //$NON-NLS-1$
	}
	}