| /** |
| * |
| * Copyright (c) 2011, 2017 - 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 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: |
| * Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation |
| * |
| * generated by Xtext 2.11.0 |
| * |
| */ |
| |
| package org.eclipse.osbp.xtext.statemachine.ui.internal; |
| |
| import com.google.common.collect.Maps; |
| import com.google.inject.Guice; |
| import com.google.inject.Injector; |
| import com.google.inject.Module; |
| import java.util.Collections; |
| import java.util.Map; |
| import org.apache.log4j.Logger; |
| import org.eclipse.osbp.xtext.statemachine.StatemachineDSLRuntimeModule; |
| import org.eclipse.osbp.xtext.statemachine.ui.StatemachineDSLUiModule; |
| import org.eclipse.ui.plugin.AbstractUIPlugin; |
| import org.eclipse.xtext.ui.shared.SharedStateModule; |
| import org.eclipse.xtext.util.Modules2; |
| import org.osgi.framework.BundleContext; |
| |
| /** |
| * This class was generated. Customizations should only happen in a newly |
| * introduced subclass. |
| */ |
| public class StatemachineActivator extends AbstractUIPlugin { |
| |
| public static final String ORG_ECLIPSE_OSBP_XTEXT_STATEMACHINE_STATEMACHINEDSL = "org.eclipse.osbp.xtext.statemachine.StatemachineDSL"; |
| |
| private static final Logger logger = Logger.getLogger(StatemachineActivator.class); |
| |
| private static StatemachineActivator INSTANCE; |
| |
| private Map<String, Injector> injectors = Collections.synchronizedMap(Maps.<String, Injector> newHashMapWithExpectedSize(1)); |
| |
| @Override |
| public void start(BundleContext context) throws Exception { |
| super.start(context); |
| INSTANCE = this; |
| } |
| |
| @Override |
| public void stop(BundleContext context) throws Exception { |
| injectors.clear(); |
| INSTANCE = null; |
| super.stop(context); |
| } |
| |
| public static StatemachineActivator getInstance() { |
| return INSTANCE; |
| } |
| |
| public Injector getInjector(String language) { |
| synchronized (injectors) { |
| Injector injector = injectors.get(language); |
| if (injector == null) { |
| injectors.put(language, injector = createInjector(language)); |
| } |
| return injector; |
| } |
| } |
| |
| protected Injector createInjector(String language) { |
| try { |
| Module runtimeModule = getRuntimeModule(language); |
| Module sharedStateModule = getSharedStateModule(); |
| Module uiModule = getUiModule(language); |
| Module mergedModule = Modules2.mixin(runtimeModule, sharedStateModule, uiModule); |
| return Guice.createInjector(mergedModule); |
| } catch (Exception e) { |
| logger.error("Failed to create injector for " + language); |
| logger.error(e.getMessage(), e); |
| throw new RuntimeException("Failed to create injector for " + language, e); |
| } |
| } |
| |
| protected Module getRuntimeModule(String grammar) { |
| if (ORG_ECLIPSE_OSBP_XTEXT_STATEMACHINE_STATEMACHINEDSL.equals(grammar)) { |
| return new StatemachineDSLRuntimeModule(); |
| } |
| throw new IllegalArgumentException(grammar); |
| } |
| |
| protected Module getUiModule(String grammar) { |
| if (ORG_ECLIPSE_OSBP_XTEXT_STATEMACHINE_STATEMACHINEDSL.equals(grammar)) { |
| return new StatemachineDSLUiModule(this); |
| } |
| throw new IllegalArgumentException(grammar); |
| } |
| |
| protected Module getSharedStateModule() { |
| return new SharedStateModule(); |
| } |
| |
| } |