Example usage for org.apache.commons.cli HelpFormatter printHelp

Introduction

In this page you can find the example usage for org.apache.commons.cli HelpFormatter printHelp.

Prototype

public void printHelp(String cmdLineSyntax, Options options, boolean autoUsage)

Source Link

Document

Print the help for options with the specified command line syntax.

Usage

From source file:fr.inria.atlanmod.kyanos.benchmarks.KyanosMapQueryClassDeclarationAttributes.java

public static void main(String[] args) {
    Options options = new Options();

    Option inputOpt = OptionBuilder.create(IN);
    inputOpt.setArgName("INPUT");
    inputOpt.setDescription("Input Kyanos resource directory");
    inputOpt.setArgs(1);// w w w  . ja v  a  2s . c o  m
    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 {
        PersistenceBackendFactoryRegistry.getFactories().put(NeoMapURI.NEO_MAP_SCHEME,
                new MapPersistenceBackendFactory());

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

        URI uri = NeoMapURI.createNeoMapURI(new File(commandLine.getOptionValue(IN)));

        Class<?> inClazz = KyanosMapQueryClassDeclarationAttributes.class.getClassLoader()
                .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS));
        inClazz.getMethod("init").invoke(null);

        ResourceSet resourceSet = new ResourceSetImpl();
        resourceSet.getResourceFactoryRegistry().getProtocolToFactoryMap().put(NeoMapURI.NEO_MAP_SCHEME,
                PersistentResourceFactory.eINSTANCE);

        Resource resource = resourceSet.createResource(uri);

        Map<String, Object> loadOpts = new HashMap<String, Object>();
        resource.load(loadOpts);
        {
            LOG.log(Level.INFO, "Start query");
            long begin = System.currentTimeMillis();
            HashMap<String, EList<NamedElement>> list = JavaQueries.getClassDeclarationAttributes(resource);
            long end = System.currentTimeMillis();
            LOG.log(Level.INFO, "End query");
            LOG.log(Level.INFO,
                    MessageFormat.format("Query result contains {0} elements", list.entrySet().size()));
            LOG.log(Level.INFO, MessageFormat.format("Time spent: {0}", MessageUtil.formatMillis(end - begin)));
        }

        if (resource instanceof PersistentResourceImpl) {
            PersistentResourceImpl.shutdownWithoutUnload((PersistentResourceImpl) resource);
        } else {
            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());
    }
}

From source file:fr.inria.atlanmod.kyanos.benchmarks.KyanosMapQueryRenameAllMethods.java

public static void main(String[] args) {
    Options options = new Options();

    Option inputOpt = OptionBuilder.create(IN);
    inputOpt.setArgName("INPUT");
    inputOpt.setDescription("Input Kyanos resource directory");
    inputOpt.setArgs(1);//from   www .  ja v  a 2 s  . c om
    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 {
        PersistenceBackendFactoryRegistry.getFactories().put(NeoMapURI.NEO_MAP_SCHEME,
                new MapPersistenceBackendFactory());

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

        URI uri = NeoMapURI.createNeoMapURI(new File(commandLine.getOptionValue(IN)));

        Class<?> inClazz = KyanosMapQueryRenameAllMethods.class.getClassLoader()
                .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS));
        inClazz.getMethod("init").invoke(null);

        ResourceSet resourceSet = new ResourceSetImpl();
        resourceSet.getResourceFactoryRegistry().getProtocolToFactoryMap().put(NeoMapURI.NEO_MAP_SCHEME,
                PersistentResourceFactory.eINSTANCE);

        Resource resource = resourceSet.createResource(uri);

        Map<String, Object> loadOpts = new HashMap<String, Object>();
        resource.load(loadOpts);
        String name = UUID.randomUUID().toString();
        {
            LOG.log(Level.INFO, "Start query");
            long begin = System.currentTimeMillis();
            JavaQueries.renameAllMethods(resource, name);
            long end = System.currentTimeMillis();
            resource.save(Collections.emptyMap());
            LOG.log(Level.INFO, "End query");
            LOG.log(Level.INFO, MessageFormat.format("Time spent: {0}", MessageUtil.formatMillis(end - begin)));
        }

        if (resource instanceof PersistentResourceImpl) {
            PersistentResourceImpl.shutdownWithoutUnload((PersistentResourceImpl) resource);
        } else {
            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());
    }
}

From source file:fr.inria.atlanmod.kyanos.benchmarks.CdoQueryList.java

public static void main(String[] args) {
    Options options = new Options();

    Option inputOpt = OptionBuilder.create(IN);
    inputOpt.setArgName("INPUT");
    inputOpt.setDescription("Input CDO resource directory");
    inputOpt.setArgs(1);//  www .  j av  a2s .  c om
    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);

    Option repoOpt = OptionBuilder.create(REPO_NAME);
    repoOpt.setArgName("REPO_NAME");
    repoOpt.setDescription("CDO Repository name");
    repoOpt.setArgs(1);
    repoOpt.setRequired(true);

    options.addOption(inputOpt);
    options.addOption(inClassOpt);
    options.addOption(repoOpt);

    CommandLineParser parser = new PosixParser();

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

        String repositoryDir = commandLine.getOptionValue(IN);
        String repositoryName = commandLine.getOptionValue(REPO_NAME);

        Class<?> inClazz = CdoQueryList.class.getClassLoader()
                .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS));
        inClazz.getMethod("init").invoke(null);

        EmbeddedCDOServer server = new EmbeddedCDOServer(repositoryDir, repositoryName);
        try {
            server.run();
            CDOSession session = server.openSession();
            CDOTransaction transaction = session.openTransaction();
            Resource resource = transaction.getRootResource();

            {
                LOG.log(Level.INFO, "Start query");
                long begin = System.currentTimeMillis();
                EList<MethodDeclaration> list = JavaQueries.getUnusedMethodsList(resource);
                long end = System.currentTimeMillis();
                LOG.log(Level.INFO, "End query");
                LOG.log(Level.INFO,
                        MessageFormat.format("Query result (list) contains {0} elements", list.size()));
                LOG.log(Level.INFO,
                        MessageFormat.format("Time spent: {0}", MessageUtil.formatMillis(end - begin)));
            }

            transaction.close();
            session.close();
        } finally {
            server.stop();
        }
    } 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());
    }
}

From source file:fr.inria.atlanmod.kyanos.benchmarks.CdoQueryLoop.java

public static void main(String[] args) {
    Options options = new Options();

    Option inputOpt = OptionBuilder.create(IN);
    inputOpt.setArgName("INPUT");
    inputOpt.setDescription("Input CDO resource directory");
    inputOpt.setArgs(1);//from   ww  w.  j  ava2 s . c  om
    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);

    Option repoOpt = OptionBuilder.create(REPO_NAME);
    repoOpt.setArgName("REPO_NAME");
    repoOpt.setDescription("CDO Repository name");
    repoOpt.setArgs(1);
    repoOpt.setRequired(true);

    options.addOption(inputOpt);
    options.addOption(inClassOpt);
    options.addOption(repoOpt);

    CommandLineParser parser = new PosixParser();

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

        String repositoryDir = commandLine.getOptionValue(IN);
        String repositoryName = commandLine.getOptionValue(REPO_NAME);

        Class<?> inClazz = CdoQueryLoop.class.getClassLoader()
                .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS));
        inClazz.getMethod("init").invoke(null);

        EmbeddedCDOServer server = new EmbeddedCDOServer(repositoryDir, repositoryName);
        try {
            server.run();
            CDOSession session = server.openSession();
            CDOTransaction transaction = session.openTransaction();
            Resource resource = transaction.getRootResource();

            {
                LOG.log(Level.INFO, "Start query");
                long begin = System.currentTimeMillis();
                EList<MethodDeclaration> list = JavaQueries.getUnusedMethodsLoop(resource);
                long end = System.currentTimeMillis();
                LOG.log(Level.INFO, "End query");
                LOG.log(Level.INFO,
                        MessageFormat.format("Query result (loops) contains {0} elements", list.size()));
                LOG.log(Level.INFO,
                        MessageFormat.format("Time spent: {0}", MessageUtil.formatMillis(end - begin)));
            }

            transaction.close();
            session.close();
        } finally {
            server.stop();
        }
    } 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());
    }
}

From source file:fr.inria.atlanmod.kyanos.benchmarks.CdoQueryClassDeclarationAttributes.java

public static void main(String[] args) {
    Options options = new Options();

    Option inputOpt = OptionBuilder.create(IN);
    inputOpt.setArgName("INPUT");
    inputOpt.setDescription("Input CDO resource directory");
    inputOpt.setArgs(1);//  www. ja  va2s.  c o m
    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);

    Option repoOpt = OptionBuilder.create(REPO_NAME);
    repoOpt.setArgName("REPO_NAME");
    repoOpt.setDescription("CDO Repository name");
    repoOpt.setArgs(1);
    repoOpt.setRequired(true);

    options.addOption(inputOpt);
    options.addOption(inClassOpt);
    options.addOption(repoOpt);

    CommandLineParser parser = new PosixParser();

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

        String repositoryDir = commandLine.getOptionValue(IN);
        String repositoryName = commandLine.getOptionValue(REPO_NAME);

        Class<?> inClazz = CdoQueryClassDeclarationAttributes.class.getClassLoader()
                .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS));
        inClazz.getMethod("init").invoke(null);

        EmbeddedCDOServer server = new EmbeddedCDOServer(repositoryDir, repositoryName);
        try {
            server.run();
            CDOSession session = server.openSession();
            CDOTransaction transaction = session.openTransaction();
            Resource resource = transaction.getRootResource();

            {
                LOG.log(Level.INFO, "Start query");
                long begin = System.currentTimeMillis();
                HashMap<String, EList<NamedElement>> map = JavaQueries.getClassDeclarationAttributes(resource);
                long end = System.currentTimeMillis();
                LOG.log(Level.INFO, "End query");
                LOG.log(Level.INFO,
                        MessageFormat.format("Query result contains {0} elements", map.entrySet().size()));
                LOG.log(Level.INFO,
                        MessageFormat.format("Time spent: {0}", MessageUtil.formatMillis(end - begin)));
            }

            transaction.close();
            session.close();
        } finally {
            server.stop();
        }
    } 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());
    }
}

From source file:fr.inria.atlanmod.kyanos.benchmarks.CdoQueryThrownExceptionsPerPackage.java

public static void main(String[] args) {
    Options options = new Options();

    Option inputOpt = OptionBuilder.create(IN);
    inputOpt.setArgName("INPUT");
    inputOpt.setDescription("Input CDO resource directory");
    inputOpt.setArgs(1);// w w w . ja  v a2s.co m
    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);

    Option repoOpt = OptionBuilder.create(REPO_NAME);
    repoOpt.setArgName("REPO_NAME");
    repoOpt.setDescription("CDO Repository name");
    repoOpt.setArgs(1);
    repoOpt.setRequired(true);

    options.addOption(inputOpt);
    options.addOption(inClassOpt);
    options.addOption(repoOpt);

    CommandLineParser parser = new PosixParser();

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

        String repositoryDir = commandLine.getOptionValue(IN);
        String repositoryName = commandLine.getOptionValue(REPO_NAME);

        Class<?> inClazz = CdoQueryThrownExceptionsPerPackage.class.getClassLoader()
                .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS));
        inClazz.getMethod("init").invoke(null);

        EmbeddedCDOServer server = new EmbeddedCDOServer(repositoryDir, repositoryName);
        try {
            server.run();
            CDOSession session = server.openSession();
            CDOTransaction transaction = session.openTransaction();
            Resource resource = transaction.getRootResource();

            {
                LOG.log(Level.INFO, "Start query");
                long begin = System.currentTimeMillis();
                HashMap<String, EList<TypeAccess>> map = JavaQueries.getThrownExceptionsPerPackage(resource);
                long end = System.currentTimeMillis();
                LOG.log(Level.INFO, "End query");
                LOG.log(Level.INFO,
                        MessageFormat.format("Query result contains {0} elements", map.entrySet().size()));
                LOG.log(Level.INFO,
                        MessageFormat.format("Time spent: {0}", MessageUtil.formatMillis(end - begin)));
            }

            transaction.close();
            session.close();
        } finally {
            server.stop();
        }
    } 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());
    }
}

From source file:fr.inria.atlanmod.kyanos.benchmarks.KyanosMapQueryLoop.java

public static void main(String[] args) {
    Options options = new Options();

    Option inputOpt = OptionBuilder.create(IN);
    inputOpt.setArgName("INPUT");
    inputOpt.setDescription("Input Kyanos resource directory");
    inputOpt.setArgs(1);// w  ww. java2 s  .  c o m
    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 {
        PersistenceBackendFactoryRegistry.getFactories().put(NeoMapURI.NEO_MAP_SCHEME,
                new MapPersistenceBackendFactory());

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

        URI uri = NeoMapURI.createNeoMapURI(new File(commandLine.getOptionValue(IN)));

        Class<?> inClazz = KyanosMapQueryLoop.class.getClassLoader()
                .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS));
        inClazz.getMethod("init").invoke(null);

        ResourceSet resourceSet = new ResourceSetImpl();
        resourceSet.getResourceFactoryRegistry().getProtocolToFactoryMap().put(NeoMapURI.NEO_MAP_SCHEME,
                PersistentResourceFactory.eINSTANCE);

        Resource resource = resourceSet.createResource(uri);

        Map<String, Object> loadOpts = new HashMap<String, Object>();
        resource.load(loadOpts);

        {
            LOG.log(Level.INFO, "Start query");
            long begin = System.currentTimeMillis();
            EList<MethodDeclaration> list = JavaQueries.getUnusedMethodsLoop(resource);
            long end = System.currentTimeMillis();
            LOG.log(Level.INFO, "End query");
            LOG.log(Level.INFO,
                    MessageFormat.format("Query result (loops) contains {0} elements", list.size()));
            LOG.log(Level.INFO, MessageFormat.format("Time spent: {0}", MessageUtil.formatMillis(end - begin)));
        }

        if (resource instanceof PersistentResourceImpl) {
            PersistentResourceImpl.shutdownWithoutUnload((PersistentResourceImpl) resource);
        } else {
            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());
    }
}

From source file:di.uniba.it.tee2.wiki.Wikidump2Index.java

/**
 * language xml_dump output_dir encoding
 *
 * @param args the command line arguments
 *///  w ww  .jav  a 2s .com
public static void main(String[] args) {
    try {
        CommandLine cmd = cmdParser.parse(options, args);
        if (cmd.hasOption("l") && cmd.hasOption("d") && cmd.hasOption("o")) {
            encoding = cmd.getOptionValue("e", "UTF-8");
            minTextLegth = Integer.parseInt(cmd.getOptionValue("m", "4000"));
            if (cmd.hasOption("p")) {
                pageLimit = Integer.parseInt(cmd.getOptionValue("p"));
            }
            Wikidump2Index builder = new Wikidump2Index();
            builder.init(cmd.getOptionValue("l"), cmd.getOptionValue("o"));
            builder.build(cmd.getOptionValue("d"), cmd.getOptionValue("l"));
        } else {
            HelpFormatter helpFormatter = new HelpFormatter();
            helpFormatter.printHelp("Index Wikipedia dump (single thread)", options, true);
        }
    } catch (Exception ex) {
        Logger.getLogger(Wikidump2Index.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:fr.inria.atlanmod.kyanos.benchmarks.MorsaTraverser.java

public static void main(String[] args) {
    Options options = new Options();

    Option inputOpt = OptionBuilder.create(IN);
    inputOpt.setArgName("INPUT");
    inputOpt.setDescription("Input Kyanos resource directory");
    inputOpt.setArgs(1);/*from w w w  .ja  va  2 s.  co  m*/
    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.createURI("morsa://" + commandLine.getOptionValue(IN));

        Class<?> inClazz = MorsaTraverser.class.getClassLoader()
                .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS));
        inClazz.getMethod("init").invoke(null);

        ResourceSet resourceSet = new ResourceSetImpl();
        resourceSet.getResourceFactoryRegistry().getProtocolToFactoryMap().put("morsa",
                new MorsaResourceFactoryImpl(new MongoDBMorsaBackendFactory()));

        Resource resource = resourceSet.createResource(uri);

        Map<String, Object> loadOpts = new HashMap<String, Object>();
        loadOpts.put(IMorsaResource.OPTION_SERVER_URI, "localhost");
        loadOpts.put(IMorsaResource.OPTION_MAX_SAVE_CACHE_SIZE, 30000);
        loadOpts.put(IMorsaResource.OPTION_DEMAND_LOAD, false);
        //         loadOpts.put(IMorsaResource.OPTION_CACHE_POLICY, FIFOEObjectCachePolicy.class.getName());
        //         loadOpts.put(IMorsaResource.OPTION_MAX_CACHE_SIZE, 30000);
        //         loadOpts.put(IMorsaResource.OPTION_CACHE_FLUSH_FACTOR, 0.3f);
        //         loadOpts.put(IMorsaResource.OPTION_DEMAND_LOAD_STRATEGY, IMorsaResource.OPTION_SINGLE_LOAD_STRATEGY);
        //         loadOpts.put(IMorsaResource.OPTION_DEMAND_LOAD, true);

        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)));

    } 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());
    }
}

From source file:fr.inria.atlanmod.kyanos.benchmarks.KyanosMapTraverser.java

public static void main(String[] args) {
    Options options = new Options();

    Option inputOpt = OptionBuilder.create(IN);
    inputOpt.setArgName("INPUT");
    inputOpt.setDescription("Input Kyanos resource directory");
    inputOpt.setArgs(1);//from  w w w. j a  v  a 2s . c om
    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 {
        PersistenceBackendFactoryRegistry.getFactories().put(NeoMapURI.NEO_MAP_SCHEME,
                new MapPersistenceBackendFactory());

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

        URI uri = NeoMapURI.createNeoMapURI(new File(commandLine.getOptionValue(IN)));

        Class<?> inClazz = KyanosMapTraverser.class.getClassLoader()
                .loadClass(commandLine.getOptionValue(EPACKAGE_CLASS));
        inClazz.getMethod("init").invoke(null);

        ResourceSet resourceSet = new ResourceSetImpl();
        resourceSet.getResourceFactoryRegistry().getProtocolToFactoryMap().put(NeoMapURI.NEO_MAP_SCHEME,
                PersistentResourceFactory.eINSTANCE);

        Resource resource = resourceSet.createResource(uri);

        Map<String, Object> loadOpts = new HashMap<String, Object>();
        resource.load(loadOpts);
        resource.getContents().get(0);

        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)));

        if (resource instanceof PersistentResourceImpl) {
            PersistentResourceImpl.shutdownWithoutUnload((PersistentResourceImpl) resource);
        } else {
            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());
    }
}