| /******************************************************************************* |
| * |
| * Copyright (c) 2018, 2021 Robert Bosch GmbH. |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Robert Bosch GmbH - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.app4mc.transformation.starter; |
| |
| import java.io.File; |
| import java.util.Arrays; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.eclipse.app4mc.transformation.ServiceConstants; |
| import org.eclipse.app4mc.transformation.TransformationProcessor; |
| import org.eclipse.osgi.service.environment.EnvironmentInfo; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventConstants; |
| import org.osgi.service.event.EventHandler; |
| |
| /** |
| * Immediate component that gets activated once the Equinox |
| * {@link EnvironmentInfo} is available. Triggers the Transformation process based on |
| * the command line arguments. Via -console parameter it is also possible to |
| * simply start the application in an interactive mode by keeping the OSGi |
| * console open. Otherwise the application will immediately closed after |
| * execution. |
| * <p> |
| * <b>Note:</b><br> |
| * Even when starting the app with the Equinox OSGi framework via bnd launcher, |
| * the {@link EnvironmentInfo} will be available. But it will not contain the |
| * necessary information that typically gets set the the Equinox launcher. |
| * Therefore the Transformation start will not be processed if the |
| * {@link EnvironmentInfo} is not initialized properly. |
| * </p> |
| */ |
| @Component(immediate = true, |
| property = EventConstants.EVENT_TOPIC + "=" + "org/osgi/service/cm/ConfigurationEvent/CM_DELETED" |
| ) |
| public class EquinoxTransformationStarter implements EventHandler { |
| |
| private AtomicBoolean started = new AtomicBoolean(false); |
| |
| /** |
| * Launcher arguments provided by the Equinox launcher. |
| */ |
| @Reference |
| EnvironmentInfo environmentInfo; |
| |
| @Reference |
| protected TransformationProcessor transformationProcessor; |
| |
| @Activate |
| void activate() { |
| // only process model Transformation activation if the EnvironmentInfo is initialized |
| // properly |
| if (this.environmentInfo.getNonFrameworkArgs() != null) { |
| // check if a product or an application was started |
| // if yes this starter should do nothing |
| boolean isProduct = |
| Arrays.stream(environmentInfo.getNonFrameworkArgs()).anyMatch("-product"::equals) |
| || this.environmentInfo.getProperty("eclipse.product") != null; |
| |
| boolean ignoreApp = Boolean.parseBoolean(System.getProperty("eclipse.ignoreApp")); |
| boolean isApplication = !ignoreApp && |
| (Arrays.stream(environmentInfo.getNonFrameworkArgs()).anyMatch("-application"::equals) |
| || this.environmentInfo.getProperty("eclipse.application") != null); |
| |
| if (!isProduct && !isApplication && this.started.compareAndSet(false, true)) { |
| startTransformation(this.environmentInfo.getNonFrameworkArgs()); |
| } |
| } |
| } |
| |
| protected void startTransformation(String[] args) { |
| String propertiesFilePath = null; |
| String workingDirectory=null; |
| // TODO add support for single parameter values instead of properties file path |
| for (int i = 0; i < args.length; i++) { |
| String arg = args[i]; |
| if (arg.equals("--properties")) { |
| propertiesFilePath = args[++i]; |
| } else if(arg.equals("--workingDirectory")) { |
| workingDirectory = args[++i]; |
| } |
| } |
| |
| if (propertiesFilePath == null || propertiesFilePath.isEmpty()) { |
| System.err.println("Model transformation can not be performed as Properties file path is not supplied"); |
| System.exit(0); |
| } |
| |
| File propertiesFile = new File(propertiesFilePath); |
| if (!propertiesFile.exists()) { |
| if (workingDirectory != null) { |
| propertiesFile = new File(workingDirectory, propertiesFilePath); |
| if (!propertiesFile.exists()) { |
| // the file seems to not exist |
| System.err.println("input properties file doesn't seem to exist. Check the value of command line parameter '--properties'"); |
| System.exit(0); |
| } |
| } else { |
| System.err.println("input properties file doesn't seem to exist, also '--workingDirectory' commandline parameter is not supplied"); |
| System.exit(0); |
| } |
| } |
| |
| this.transformationProcessor.startTransformation(propertiesFile, workingDirectory); |
| } |
| |
| @Override |
| public void handleEvent(Event event) { |
| if (this.started.get() |
| && event.getProperty("cm.factoryPid").equals(ServiceConstants.SESSION_CONFIGURATION_PID)) { |
| // shut down the application if this immediate component started the |
| // transformation and the session configuration was deleted |
| System.exit(0); |
| } |
| } |
| } |