Java tutorial
/******************************************************************************* * Copyright (c) 2013 Atlanmod INRIA LINA Mines Nantes * 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: * Atlanmod INRIA LINA Mines Nantes - initial API and implementation *******************************************************************************/ package fr.inria.atlanmod.kyanos.benchmarks; import java.text.MessageFormat; import java.util.Arrays; import java.util.HashMap; import java.util.Iterator; import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.CommandLineParser; import org.apache.commons.cli.HelpFormatter; import org.apache.commons.cli.Option; import org.apache.commons.cli.OptionBuilder; import org.apache.commons.cli.Options; import org.apache.commons.cli.ParseException; import org.apache.commons.cli.PosixParser; import org.eclipse.emf.common.util.URI; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.ecore.resource.Resource; import org.eclipse.emf.ecore.resource.ResourceSet; import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl; import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl; import fr.inria.atlanmod.kyanos.benchmarks.util.MessageUtil; public class XmiTraverser { private static final Logger LOG = Logger.getLogger(XmiTraverser.class.getName()); private static final String IN = "input"; private static final String EPACKAGE_CLASS = "epackage_class"; public static void main(String[] args) { Options options = new Options(); Option inputOpt = OptionBuilder.create(IN); inputOpt.setArgName("INPUT"); inputOpt.setDescription("Input model"); inputOpt.setArgs(1); inputOpt.setRequired(true); Option inClassOpt = OptionBuilder.create(EPACKAGE_CLASS); inClassOpt.setArgName("CLASS"); inClassOpt.setDescription("FQN of EPackage implementation class"); inClassOpt.setArgs(1); inClassOpt.setRequired(true); options.addOption(inputOpt); options.addOption(inClassOpt); CommandLineParser parser = new PosixParser(); try { CommandLine commandLine = parser.parse(options, args); URI uri = URI.createFileURI(commandLine.getOptionValue(IN)); Class<?> inClazz = XmiTraverser.class.getClassLoader() .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS)); inClazz.getMethod("init").invoke(null); ResourceSet resourceSet = new ResourceSetImpl(); resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put("xmi", new XMIResourceFactoryImpl()); resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put("zxmi", new XMIResourceFactoryImpl()); Resource resource = resourceSet.createResource(uri); Map<String, Object> loadOpts = new HashMap<String, Object>(); resource.load(loadOpts); LOG.log(Level.INFO, "Start counting"); int count = 0; long begin = System.currentTimeMillis(); for (Iterator<EObject> iterator = resource.getAllContents(); iterator.hasNext(); iterator .next(), count++) ; long end = System.currentTimeMillis(); LOG.log(Level.INFO, "End counting"); LOG.log(Level.INFO, MessageFormat.format("Resource {0} contains {1} elements", uri, count)); LOG.log(Level.INFO, MessageFormat.format("Time spent: {0}", MessageUtil.formatMillis(end - begin))); resource.unload(); } catch (ParseException e) { MessageUtil.showError(e.toString()); MessageUtil.showError("Current arguments: " + Arrays.toString(args)); HelpFormatter formatter = new HelpFormatter(); formatter.printHelp("java -jar <this-file.jar>", options, true); } catch (Throwable e) { MessageUtil.showError(e.toString()); } } }