plugins/org.eclipse.sirius/src/org/eclipse/sirius/viewpoint/SiriusPlugin.java - sirius/org.eclipse.sirius - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007, 2018 THALES GLOBAL SERVICES and others.
  * 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:
  *    Obeo - initial API and implementation
  *******************************************************************************/
 package org.eclipse.sirius.viewpoint;

 import java.util.Collection;
 import java.util.List;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.emf.common.EMFPlugin;
 import org.eclipse.emf.common.util.ResourceLocator;
 import org.eclipse.emf.ecore.EValidator;
 import org.eclipse.emf.ecore.plugin.EcorePlugin;
 import org.eclipse.sirius.business.api.componentization.ViewpointRegistry;
 import org.eclipse.sirius.business.api.dialect.description.IInterpretedExpressionQueryProvider;
 import org.eclipse.sirius.business.api.dialect.description.MultiLanguagesValidator;
 import org.eclipse.sirius.business.internal.dialect.description.InterpretedExpressionQueryProviderRegistry;
 import org.eclipse.sirius.business.internal.helper.delete.DeleteHookDescriptorRegistryListener;
 import org.eclipse.sirius.business.internal.helper.task.ModelOperationManagerRegistryListener;
 import org.eclipse.sirius.business.internal.migration.IMigrationHandler;
 import org.eclipse.sirius.business.internal.representation.DRepresentationLocationRuleRegistryListener;
 import org.eclipse.sirius.business.internal.resource.strategy.ResourceStrategyRegistryListener;
 import org.eclipse.sirius.business.internal.session.factory.SessionFactoryRegistryListener;
 import org.eclipse.sirius.common.tools.api.util.EclipseUtil;
 import org.eclipse.sirius.ecore.extender.business.api.accessor.ModelAccessorsRegistry;
 import org.eclipse.sirius.tools.api.command.ui.UICallBack;
 import org.eclipse.sirius.tools.api.interpreter.InterpreterRegistry;
 import org.eclipse.sirius.tools.internal.ui.ExternalJavaActionRegistryListener;
 import org.eclipse.sirius.tools.internal.validation.EValidatorAdapter;
 import org.eclipse.sirius.viewpoint.description.DescriptionPackage;
 import org.eclipse.sirius.viewpoint.description.tool.ToolPackage;
 import org.osgi.framework.BundleContext;

 /**
  * Sirius plug-in.
  *
  * @author ymortier
  */
 public final class SiriusPlugin extends EMFPlugin {
     /**
      * Tell whether Eclipse is running or not.
      */
     public static final boolean IS_ECLIPSE_RUNNING;

     static {
         boolean result = false;
         // CHECKSTYLE:OFF
         try {
             result = Platform.isRunning();
         } catch (final Throwable exception) {
             // Assume that we aren't running.
         }
         // CHECKSTYLE:ON
         IS_ECLIPSE_RUNNING = result;
     }

     /** The id. */
     public static final String ID = "org.eclipse.sirius"; //$NON-NLS-1$

     /** Keep track of the singleton.. */
     public static final SiriusPlugin INSTANCE = new SiriusPlugin();

     private static Implementation plugin;

     /**
      * create at the initialization to avoid synchronization cost in ExtendedPackageRegistry
      */
     private static final ModelAccessorsRegistry REGISTRY = new ModelAccessorsRegistry();

     /**
      * Creates the instance.
      */
     public SiriusPlugin() {
         super(new ResourceLocator[] { EcorePlugin.INSTANCE, SiriusPlugin.INSTANCE, });
     }

     /**
      * Returns the singleton instance of the Eclipse plugin.
      *
      * @return the singleton instance.
      */
     @Override
     public ResourceLocator getPluginResourceLocator() {
         return plugin;
     }

     /**
      * Returns the singleton instance of the Eclipse plugin.
      *
      * @return the singleton instance.
      */
     public static Implementation getDefault() {
         return plugin;
     }

     /**
      * The actual implementation of the Eclipse <b>Plugin</b>.
      */
     public static class Implementation extends EclipsePlugin {

         /**
          * Handler for migration.
          */
         private IMigrationHandler migrationHandler;

         /**
          * Registry of all supported interpreters.
          */
         private InterpreterRegistry interRegistry;

         /**
          * The registry listener that will be used to listen to sessionFactory extension changes.
          */
         private SessionFactoryRegistryListener sessionFactoryRegistryListener;

         /**
          * The registry listener that will be used to listen to extension changes.
          */
         private DeleteHookDescriptorRegistryListener deleteHookDescriptorRegistryListener;

         /**
          * The registry listener that will be used to listen to contribution changes against the external java action
          * extension point.
          */
         private ExternalJavaActionRegistryListener javaActionRegistryListener;

         /**
          * The registry listener that will be used to listen to contribution changes against the external resource
          * strategy extension point.
          */
         private ResourceStrategyRegistryListener resourceStrategyRegistryListener;

         /**
          * The registry listener that will be used to listen to contribution changes against the external
          * dRepresentationLocationRule extension point.
          */
         private DRepresentationLocationRuleRegistryListener repLocationRuleRegistryListener;

         /**
          * The registry listener that will be used to listen to contribution changes.
          */
         private ModelOperationManagerRegistryListener modelOperationManagerRegistryListener;

         /**
          * The registry for {@link IInterpretedExpressionQueryProvider}.
          */
         private InterpretedExpressionQueryProviderRegistry expressionQueryProviderRegistry;

         /**
          * The user interface callback.
          */
         private UICallBack uiCallback;

         /**
          * Creates an instance.
          */
         public Implementation() {
             super();
             plugin = this;
         }

         @Override
         public void start(BundleContext context) throws Exception {
             super.start(context);
             interRegistry = new InterpreterRegistry();

             // Sets the validator for these model.
             EValidator.Registry.INSTANCE.put(ViewpointPackage.eINSTANCE, new EValidatorAdapter());
             EValidator.Registry.INSTANCE.put(DescriptionPackage.eINSTANCE, new EValidatorAdapter());
             EValidator.Registry.INSTANCE.put(ToolPackage.eINSTANCE, new EValidatorAdapter());

             sessionFactoryRegistryListener = new SessionFactoryRegistryListener();
             sessionFactoryRegistryListener.init();
             deleteHookDescriptorRegistryListener = new DeleteHookDescriptorRegistryListener();
             deleteHookDescriptorRegistryListener.init();
             javaActionRegistryListener = new ExternalJavaActionRegistryListener();
             javaActionRegistryListener.init();
             resourceStrategyRegistryListener = new ResourceStrategyRegistryListener();
             resourceStrategyRegistryListener.init();
             repLocationRuleRegistryListener = new DRepresentationLocationRuleRegistryListener();
             repLocationRuleRegistryListener.init();
             modelOperationManagerRegistryListener = new ModelOperationManagerRegistryListener();
             modelOperationManagerRegistryListener.init();
             expressionQueryProviderRegistry = new InterpretedExpressionQueryProviderRegistry(Platform.getExtensionRegistry(), this);
             expressionQueryProviderRegistry.init();

             List<IMigrationHandler> migrationHandlers = EclipseUtil.getExtensionPlugins(IMigrationHandler.class, IMigrationHandler.ID, IMigrationHandler.CLASS_ATTRIBUTE);
             if (migrationHandlers.size() > 0) {
                 migrationHandler = migrationHandlers.get(0);
             }
         }

         /**
          * Returns all the registered IInterpretedExpressionQueryProvider.
          *
          * @return the registered IInterpretedExpressionQueryProvider.
          */
         public Collection<IInterpretedExpressionQueryProvider> getInterpretedExpressionQueryProviders() {
             return expressionQueryProviderRegistry.getEntries();
         }

         @Override
         public void stop(BundleContext context) throws Exception {
             REGISTRY.dispose();

             sessionFactoryRegistryListener.dispose();
             sessionFactoryRegistryListener = null;
             deleteHookDescriptorRegistryListener.dispose();
             deleteHookDescriptorRegistryListener = null;
             javaActionRegistryListener.dispose();
             javaActionRegistryListener = null;
             resourceStrategyRegistryListener.dispose();
             resourceStrategyRegistryListener = null;
             repLocationRuleRegistryListener.dispose();
             repLocationRuleRegistryListener = null;
             modelOperationManagerRegistryListener.dispose();
             modelOperationManagerRegistryListener = null;
             expressionQueryProviderRegistry.dispose();
             expressionQueryProviderRegistry = null;

             ViewpointRegistry.getInstance().dispose();

             MultiLanguagesValidator.getInstance().dispose();

             super.stop(context);
         }

         /**
          * Return the global instance of {@link ModelAccessorsRegistry}.
          *
          * @return the global instance of {@link ModelAccessorsRegistry}.
          */
         public ModelAccessorsRegistry getModelAccessorRegistry() {
             return REGISTRY;
         }

         /**
          * Return the global instance of {@link ExtendedPackageRegistry}.
          *
          * @return the global instance of {@link ExtendedPackageRegistry}.
          */
         public InterpreterRegistry getInterpreterRegistry() {
             return interRegistry;
         }

         /**
          * Get the migration handler used for Description resource creation.
          *
          * @return the migration handler used for Description resource creation.
          */
         public IMigrationHandler getMigrationHandler() {
             return migrationHandler;
         }

         /**
          * Logs an error in the error log.
          *
          * @param message
          *            the message to log (optional).
          * @param e
          *            the exception (optional).
          */
         public void error(String message, final Throwable e) {
             log(message, e, IStatus.ERROR);
         }

         /**
          * Logs a warning in the error log.
          *
          * @param message
          *            the message to log (optional).
          * @param e
          *            the exception (optional).
          */
         public void warning(String message, final Exception e) {
             log(message, e, IStatus.WARNING);
         }

         /**
          * Logs an info in the error log.
          *
          * @param message
          *            the message to log (optional).
          * @param e
          *            the exception (optional).
          */
         public void info(String message, final Throwable e) {
             log(message, e, IStatus.INFO);
         }

         private void log(String message, final Throwable e, int severity) {
             String messageToDisplay = message;
             if (messageToDisplay == null && e != null) {
                 messageToDisplay = e.getMessage();
             }
             if (e instanceof CoreException) {
                 getLog().log(((CoreException) e).getStatus());
             } else {
                 IStatus status = new Status(severity, getDefault().getSymbolicName(), messageToDisplay, e);
                 getLog().log(status);
             }
         }

         /**
          * Return callBack.
          *
          * @return the uiCallback
          */
         public UICallBack getUiCallback() {
             return uiCallback;
         }

         /**
          * Modify callBack.
          *
          * @param uiCallback
          *            the uiCallback to set
          */
         public void setUiCallback(UICallBack uiCallback) {
             this.uiCallback = uiCallback;
         }

     }

 }
	/*******************************************************************************
	* Copyright (c) 2007, 2018 THALES GLOBAL SERVICES and others.
	* 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:
	* Obeo - initial API and implementation
	*******************************************************************************/
	package org.eclipse.sirius.viewpoint;

	import java.util.Collection;
	import java.util.List;

	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.emf.common.EMFPlugin;
	import org.eclipse.emf.common.util.ResourceLocator;
	import org.eclipse.emf.ecore.EValidator;
	import org.eclipse.emf.ecore.plugin.EcorePlugin;
	import org.eclipse.sirius.business.api.componentization.ViewpointRegistry;
	import org.eclipse.sirius.business.api.dialect.description.IInterpretedExpressionQueryProvider;
	import org.eclipse.sirius.business.api.dialect.description.MultiLanguagesValidator;
	import org.eclipse.sirius.business.internal.dialect.description.InterpretedExpressionQueryProviderRegistry;
	import org.eclipse.sirius.business.internal.helper.delete.DeleteHookDescriptorRegistryListener;
	import org.eclipse.sirius.business.internal.helper.task.ModelOperationManagerRegistryListener;
	import org.eclipse.sirius.business.internal.migration.IMigrationHandler;
	import org.eclipse.sirius.business.internal.representation.DRepresentationLocationRuleRegistryListener;
	import org.eclipse.sirius.business.internal.resource.strategy.ResourceStrategyRegistryListener;
	import org.eclipse.sirius.business.internal.session.factory.SessionFactoryRegistryListener;
	import org.eclipse.sirius.common.tools.api.util.EclipseUtil;
	import org.eclipse.sirius.ecore.extender.business.api.accessor.ModelAccessorsRegistry;
	import org.eclipse.sirius.tools.api.command.ui.UICallBack;
	import org.eclipse.sirius.tools.api.interpreter.InterpreterRegistry;
	import org.eclipse.sirius.tools.internal.ui.ExternalJavaActionRegistryListener;
	import org.eclipse.sirius.tools.internal.validation.EValidatorAdapter;
	import org.eclipse.sirius.viewpoint.description.DescriptionPackage;
	import org.eclipse.sirius.viewpoint.description.tool.ToolPackage;
	import org.osgi.framework.BundleContext;

	/**
	* Sirius plug-in.
	*
	* @author ymortier
	*/
	public final class SiriusPlugin extends EMFPlugin {
	/**
	* Tell whether Eclipse is running or not.
	*/
	public static final boolean IS_ECLIPSE_RUNNING;

	static {
	boolean result = false;
	// CHECKSTYLE:OFF
	try {
	result = Platform.isRunning();
	} catch (final Throwable exception) {
	// Assume that we aren't running.
	}
	// CHECKSTYLE:ON
	IS_ECLIPSE_RUNNING = result;
	}

	/** The id. */
	public static final String ID = "org.eclipse.sirius"; //$NON-NLS-1$

	/** Keep track of the singleton.. */
	public static final SiriusPlugin INSTANCE = new SiriusPlugin();

	private static Implementation plugin;

	/**
	* create at the initialization to avoid synchronization cost in ExtendedPackageRegistry
	*/
	private static final ModelAccessorsRegistry REGISTRY = new ModelAccessorsRegistry();

	/**
	* Creates the instance.
	*/
	public SiriusPlugin() {
	super(new ResourceLocator[] { EcorePlugin.INSTANCE, SiriusPlugin.INSTANCE, });
	}

	/**
	* Returns the singleton instance of the Eclipse plugin.
	*
	* @return the singleton instance.
	*/
	@Override
	public ResourceLocator getPluginResourceLocator() {
	return plugin;
	}

	/**
	* Returns the singleton instance of the Eclipse plugin.
	*
	* @return the singleton instance.
	*/
	public static Implementation getDefault() {
	return plugin;
	}

	/**
	* The actual implementation of the Eclipse <b>Plugin</b>.
	*/
	public static class Implementation extends EclipsePlugin {

	/**
	* Handler for migration.
	*/
	private IMigrationHandler migrationHandler;

	/**
	* Registry of all supported interpreters.
	*/
	private InterpreterRegistry interRegistry;

	/**
	* The registry listener that will be used to listen to sessionFactory extension changes.
	*/
	private SessionFactoryRegistryListener sessionFactoryRegistryListener;

	/**
	* The registry listener that will be used to listen to extension changes.
	*/
	private DeleteHookDescriptorRegistryListener deleteHookDescriptorRegistryListener;

	/**
	* The registry listener that will be used to listen to contribution changes against the external java action
	* extension point.
	*/
	private ExternalJavaActionRegistryListener javaActionRegistryListener;

	/**
	* The registry listener that will be used to listen to contribution changes against the external resource
	* strategy extension point.
	*/
	private ResourceStrategyRegistryListener resourceStrategyRegistryListener;

	/**
	* The registry listener that will be used to listen to contribution changes against the external
	* dRepresentationLocationRule extension point.
	*/
	private DRepresentationLocationRuleRegistryListener repLocationRuleRegistryListener;

	/**
	* The registry listener that will be used to listen to contribution changes.
	*/
	private ModelOperationManagerRegistryListener modelOperationManagerRegistryListener;

	/**
	* The registry for {@link IInterpretedExpressionQueryProvider}.
	*/
	private InterpretedExpressionQueryProviderRegistry expressionQueryProviderRegistry;

	/**
	* The user interface callback.
	*/
	private UICallBack uiCallback;

	/**
	* Creates an instance.
	*/
	public Implementation() {
	super();
	plugin = this;
	}

	@Override
	public void start(BundleContext context) throws Exception {
	super.start(context);
	interRegistry = new InterpreterRegistry();

	// Sets the validator for these model.
	EValidator.Registry.INSTANCE.put(ViewpointPackage.eINSTANCE, new EValidatorAdapter());
	EValidator.Registry.INSTANCE.put(DescriptionPackage.eINSTANCE, new EValidatorAdapter());
	EValidator.Registry.INSTANCE.put(ToolPackage.eINSTANCE, new EValidatorAdapter());

	sessionFactoryRegistryListener = new SessionFactoryRegistryListener();
	sessionFactoryRegistryListener.init();
	deleteHookDescriptorRegistryListener = new DeleteHookDescriptorRegistryListener();
	deleteHookDescriptorRegistryListener.init();
	javaActionRegistryListener = new ExternalJavaActionRegistryListener();
	javaActionRegistryListener.init();
	resourceStrategyRegistryListener = new ResourceStrategyRegistryListener();
	resourceStrategyRegistryListener.init();
	repLocationRuleRegistryListener = new DRepresentationLocationRuleRegistryListener();
	repLocationRuleRegistryListener.init();
	modelOperationManagerRegistryListener = new ModelOperationManagerRegistryListener();
	modelOperationManagerRegistryListener.init();
	expressionQueryProviderRegistry = new InterpretedExpressionQueryProviderRegistry(Platform.getExtensionRegistry(), this);
	expressionQueryProviderRegistry.init();

	List<IMigrationHandler> migrationHandlers = EclipseUtil.getExtensionPlugins(IMigrationHandler.class, IMigrationHandler.ID, IMigrationHandler.CLASS_ATTRIBUTE);
	if (migrationHandlers.size() > 0) {
	migrationHandler = migrationHandlers.get(0);
	}
	}

	/**
	* Returns all the registered IInterpretedExpressionQueryProvider.
	*
	* @return the registered IInterpretedExpressionQueryProvider.
	*/
	public Collection<IInterpretedExpressionQueryProvider> getInterpretedExpressionQueryProviders() {
	return expressionQueryProviderRegistry.getEntries();
	}

	@Override
	public void stop(BundleContext context) throws Exception {
	REGISTRY.dispose();

	sessionFactoryRegistryListener.dispose();
	sessionFactoryRegistryListener = null;
	deleteHookDescriptorRegistryListener.dispose();
	deleteHookDescriptorRegistryListener = null;
	javaActionRegistryListener.dispose();
	javaActionRegistryListener = null;
	resourceStrategyRegistryListener.dispose();
	resourceStrategyRegistryListener = null;
	repLocationRuleRegistryListener.dispose();
	repLocationRuleRegistryListener = null;
	modelOperationManagerRegistryListener.dispose();
	modelOperationManagerRegistryListener = null;
	expressionQueryProviderRegistry.dispose();
	expressionQueryProviderRegistry = null;

	ViewpointRegistry.getInstance().dispose();

	MultiLanguagesValidator.getInstance().dispose();

	super.stop(context);
	}

	/**
	* Return the global instance of {@link ModelAccessorsRegistry}.
	*
	* @return the global instance of {@link ModelAccessorsRegistry}.
	*/
	public ModelAccessorsRegistry getModelAccessorRegistry() {
	return REGISTRY;
	}

	/**
	* Return the global instance of {@link ExtendedPackageRegistry}.
	*
	* @return the global instance of {@link ExtendedPackageRegistry}.
	*/
	public InterpreterRegistry getInterpreterRegistry() {
	return interRegistry;
	}

	/**
	* Get the migration handler used for Description resource creation.
	*
	* @return the migration handler used for Description resource creation.
	*/
	public IMigrationHandler getMigrationHandler() {
	return migrationHandler;
	}

	/**
	* Logs an error in the error log.
	*
	* @param message
	* the message to log (optional).
	* @param e
	* the exception (optional).
	*/
	public void error(String message, final Throwable e) {
	log(message, e, IStatus.ERROR);
	}

	/**
	* Logs a warning in the error log.
	*
	* @param message
	* the message to log (optional).
	* @param e
	* the exception (optional).
	*/
	public void warning(String message, final Exception e) {
	log(message, e, IStatus.WARNING);
	}

	/**
	* Logs an info in the error log.
	*
	* @param message
	* the message to log (optional).
	* @param e
	* the exception (optional).
	*/
	public void info(String message, final Throwable e) {
	log(message, e, IStatus.INFO);
	}

	private void log(String message, final Throwable e, int severity) {
	String messageToDisplay = message;
	if (messageToDisplay == null && e != null) {
	messageToDisplay = e.getMessage();
	}
	if (e instanceof CoreException) {
	getLog().log(((CoreException) e).getStatus());
	} else {
	IStatus status = new Status(severity, getDefault().getSymbolicName(), messageToDisplay, e);
	getLog().log(status);
	}
	}

	/**
	* Return callBack.
	*
	* @return the uiCallback
	*/
	public UICallBack getUiCallback() {
	return uiCallback;
	}

	/**
	* Modify callBack.
	*
	* @param uiCallback
	* the uiCallback to set
	*/
	public void setUiCallback(UICallBack uiCallback) {
	this.uiCallback = uiCallback;
	}

	}

	}