fr.inria.atlanmod.kyanos.benchmarks.XmiCreator.java Source code

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Here is the source code for fr.inria.atlanmod.kyanos.benchmarks.XmiCreator.java

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/*******************************************************************************
 * 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.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.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.emf.ecore.xmi.XMIResource;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;

import fr.inria.atlanmod.kyanos.benchmarks.util.MessageUtil;

public class XmiCreator {

    private static final Logger LOG = Logger.getLogger(XmiCreator.class.getName());

    private static final String IN = "input";

    private static final String OUT = "output";

    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 file");
        inputOpt.setArgs(1);
        inputOpt.setRequired(true);

        Option outputOpt = OptionBuilder.create(OUT);
        outputOpt.setArgName("OUTPUT");
        outputOpt.setDescription("Output file");
        outputOpt.setArgs(1);
        outputOpt.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(outputOpt);
        options.addOption(inClassOpt);

        CommandLineParser parser = new PosixParser();

        try {
            CommandLine commandLine = parser.parse(options, args);

            URI sourceUri = URI.createFileURI(commandLine.getOptionValue(IN));
            URI targetUri = URI.createFileURI(commandLine.getOptionValue(OUT));

            Class<?> inClazz = XmiCreator.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 sourceResource = resourceSet.createResource(sourceUri);
            Map<String, Object> loadOpts = new HashMap<String, Object>();
            if ("zxmi".equals(sourceUri.fileExtension())) {
                loadOpts.put(XMIResource.OPTION_ZIP, Boolean.TRUE);
            }

            Runtime.getRuntime().gc();
            long initialUsedMemory = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
            LOG.log(Level.INFO, MessageFormat.format("Used memory before loading: {0}",
                    MessageUtil.byteCountToDisplaySize(initialUsedMemory)));
            LOG.log(Level.INFO, "Loading source resource");
            sourceResource.load(loadOpts);
            LOG.log(Level.INFO, "Source resource loaded");
            Runtime.getRuntime().gc();
            long finalUsedMemory = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
            LOG.log(Level.INFO, MessageFormat.format("Used memory after loading: {0}",
                    MessageUtil.byteCountToDisplaySize(finalUsedMemory)));
            LOG.log(Level.INFO, MessageFormat.format("Memory use increase: {0}",
                    MessageUtil.byteCountToDisplaySize(finalUsedMemory - initialUsedMemory)));

            Resource targetResource = resourceSet.createResource(targetUri);

            Map<String, Object> saveOpts = new HashMap<String, Object>();
            targetResource.save(saveOpts);

            LOG.log(Level.INFO, "Start moving elements");
            targetResource.getContents().clear();
            targetResource.getContents().addAll(sourceResource.getContents());
            LOG.log(Level.INFO, "End moving elements");
            LOG.log(Level.INFO, "Start saving");
            targetResource.save(saveOpts);
            LOG.log(Level.INFO, "Saved");

            targetResource.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());
        }
    }
}