Example usage for java.util List isEmpty

List of usage examples for java.util List isEmpty

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Introduction

In this page you can find the example usage for java.util List isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this list contains no elements.

Usage

From source file:Main.java

public static void main(final String[] args) throws Exception {
    Random RND = new Random();
    ExecutorService es = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
    List<Future<String>> results = new ArrayList<>(10);
    for (int i = 0; i < 10; i++) {
        results.add(es.submit(new TimeSliceTask(RND.nextInt(10), TimeUnit.SECONDS)));
    }/*from   w  w  w .  ja va2s.  c om*/
    es.shutdown();
    while (!results.isEmpty()) {
        Iterator<Future<String>> i = results.iterator();
        while (i.hasNext()) {
            Future<String> f = i.next();
            if (f.isDone()) {
                System.out.println(f.get());
                i.remove();
            }
        }
    }
}

From source file:de.oth.keycloak.InitKeycloakServer.java

public static void main(String[] args) {
    CheckParams checkParams = CheckParams.create(args, System.out, InitKeycloakServer.class.getName());
    if (checkParams == null) {
        System.exit(1);//from w  w  w . j  a va2s. co  m
    }
    try {
        String server = checkParams.getServer();
        String realm = checkParams.getRealm();
        String user = checkParams.getUser();
        String pwd = checkParams.getPwd();
        String clientStr = checkParams.getClient();
        String secret = checkParams.getSecret();
        String initFileStr = checkParams.getInitFile();
        File initFile = new File(initFileStr);
        if (!initFile.isFile()) {
            URL url = InitKeycloakServer.class.getClassLoader().getResource(initFileStr);
            if (url != null) {
                initFile = new File(url.getFile());
                if (!initFile.isFile()) {
                    log.error("init file does not exist: " + initFile);
                    System.exit(1);
                }
            } else {
                log.error("init file does not exist: " + initFile);
                System.exit(1);
            }
        }
        Keycloak keycloak = (secret == null) ? Keycloak.getInstance(server, realm, user, pwd, clientStr)
                : Keycloak.getInstance(server, realm, user, pwd, clientStr, secret);

        ObjectMapper mapper = new ObjectMapper();
        RealmsConfig realmsConfig = mapper.readValue(initFile, RealmsConfig.class);

        if (realmsConfig != null) {
            List<RealmConfig> realmList = realmsConfig.getRealms();
            if (realmList == null || realmList.isEmpty()) {
                log.error("no realms config found 1");
                return;
            }
            for (RealmConfig realmConf : realmList) {
                addRealm(keycloak, realmConf);
            }
        } else {
            log.error("no realms config found 2");
        }
    } catch (Exception e) {
        log.error(e.getClass().getName() + ": " + e.getMessage());
        e.printStackTrace();
        System.exit(1);
    }
}

From source file:com.ds.test.ClientFormLogin.java

public static void main(String[] args) throws Exception {

    DefaultHttpClient httpclient = new DefaultHttpClient();
    try {/* ww  w. j ava2  s  .c om*/
        HttpGet httpget = new HttpGet("http://www.iteye.com/login");

        HttpResponse response = httpclient.execute(httpget);
        HttpEntity entity = response.getEntity();

        System.out.println("Login form get: " + response.getStatusLine());

        System.out.println("cookies:");
        List<Cookie> cookies = httpclient.getCookieStore().getCookies();
        if (cookies.isEmpty()) {
            System.out.println("None");
        } else {
            for (int i = 0; i < cookies.size(); i++) {
                System.out.println(cookies.get(i).toString());
            }
        }

        /* HeaderIterator hi = response.headerIterator();
         while(hi.hasNext()){
            System.out.println(hi.next());
         }
                 
         EntityUtils.consume(entity);
         */

        String token = parseHtml(EntityUtils.toString(entity));

        httpget.releaseConnection();

        System.out.println("********************************************************");

        HttpPost httpost = new HttpPost("http://www.iteye.com/login");

        List<NameValuePair> nvps = new ArrayList<NameValuePair>();
        nvps.add(new BasicNameValuePair("name", ""));
        nvps.add(new BasicNameValuePair("password", ""));
        nvps.add(new BasicNameValuePair("authenticity_token", token));

        httpost.setEntity(new UrlEncodedFormEntity(nvps, Consts.UTF_8));

        response = httpclient.execute(httpost);
        entity = response.getEntity();

        System.out.println("Login form get: " + response.getStatusLine());
        EntityUtils.consume(entity);

        System.out.println("Post logon cookies:");
        cookies = httpclient.getCookieStore().getCookies();
        if (cookies.isEmpty()) {
            System.out.println("None");
        } else {
            for (int i = 0; i < cookies.size(); i++) {
                System.out.println(cookies.get(i).toString());
            }
        }

        System.out.println("********************************************************");

        HttpGet httpget2 = new HttpGet("http://www.iteye.com/login");

        HttpResponse response2 = httpclient.execute(httpget2);
        HttpEntity entity2 = response2.getEntity();

        System.out.println("Login form get: " + response2.getStatusLine());

        print(response2);

    } finally {
        // When HttpClient instance is no longer needed,
        // shut down the connection manager to ensure
        // immediate deallocation of all system resources
        httpclient.getConnectionManager().shutdown();
    }
}

From source file:com.atlbike.etl.service.ClientFormLogin.java

/**
 * @param args/*w w w.j ava 2  s .com*/
 * @throws Exception
 */
public static void main(String[] args) throws Exception {
    String authenticityToken = "";
    BasicCookieStore cookieStore = new BasicCookieStore();
    CloseableHttpClient httpclient = HttpClients.custom().setDefaultCookieStore(cookieStore)
            .setRedirectStrategy(new LaxRedirectStrategy()).build();
    try {
        HttpGet httpget = new HttpGet("https://atlbike.nationbuilder.com/login");
        CloseableHttpResponse response1 = httpclient.execute(httpget);
        try {
            HttpEntity entity = response1.getEntity();
            System.out.println("Content Length: " + entity.getContentLength());

            System.out.println("Login form get: " + response1.getStatusLine());
            // EntityUtils.consume(entity);
            String content = EntityUtils.toString(entity);
            Document doc = Jsoup.parse(content);
            Elements metaElements = doc.select("META");
            for (Element elem : metaElements) {
                System.out.println(elem);
                if (elem.hasAttr("name") && "csrf-token".equals(elem.attr("name"))) {
                    System.out.println("Value: " + elem.attr("content"));
                    authenticityToken = elem.attr("content");
                }
            }

            System.out.println("Initial set of cookies:");
            List<Cookie> cookies = cookieStore.getCookies();
            if (cookies.isEmpty()) {
                System.out.println("None");
            } else {
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("- " + cookies.get(i).toString());
                }
            }
        } finally {
            response1.close();
        }

        HttpUriRequest login = RequestBuilder.post()
                .setUri(new URI("https://atlbike.nationbuilder.com/forms/user_sessions"))
                .addParameter("email_address", "").addParameter("user_session[email]", "email@domain")
                .addParameter("user_session[password]", "magicCookie")
                .addParameter("user_session[remember_me]", "1").addParameter("commit", "Sign in with email")
                .addParameter("authenticity_token", authenticityToken).build();
        CloseableHttpResponse response2 = httpclient.execute(login);
        try {
            HttpEntity entity = response2.getEntity();
            // for (Header h : response2.getAllHeaders()) {
            // System.out.println(h);
            // }
            System.out.println("Content Length: " + entity.getContentLength());

            System.out.println("Login form get: " + response2.getStatusLine());
            EntityUtils.consume(entity);

            System.out.println("Post logon cookies:");
            List<Cookie> cookies = cookieStore.getCookies();
            if (cookies.isEmpty()) {
                System.out.println("None");
            } else {
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("- " + cookies.get(i).toString());
                }
            }
        } finally {
            response2.close();
        }

        httpget = new HttpGet(
                // HttpUriRequest file = RequestBuilder
                // .post()
                // .setUri(new URI(
                "https://atlbike.nationbuilder.com/admin/membership_types/14/download");
        // .build();
        // CloseableHttpResponse response3 = httpclient.execute(file);
        CloseableHttpResponse response3 = httpclient.execute(httpget);
        try {
            HttpEntity entity = response3.getEntity();
            System.out.println("Content Length: " + entity.getContentLength());

            System.out.println("File Get: " + response3.getStatusLine());
            saveEntity(entity);
            // EntityUtils.consume(entity);

            System.out.println("Post file get cookies:");
            List<Cookie> cookies = cookieStore.getCookies();
            if (cookies.isEmpty()) {
                System.out.println("None");
            } else {
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("- " + cookies.get(i).toString());
                }
            }
        } finally {
            response3.close();
        }

    } finally {
        httpclient.close();
    }
}

From source file:cn.jumper.study.http.ClientFormLogin.java

public static void main(String[] args) throws Exception {
    BasicCookieStore cookieStore = new BasicCookieStore();
    CloseableHttpClient httpclient = HttpClients.custom().setDefaultCookieStore(cookieStore).build();

    HttpHost proxy = new HttpHost("192.168.10.3", 8080, "http");

    RequestConfig config = RequestConfig.custom().setProxy(proxy).build();

    try {//from  w w  w.ja v a2  s . com
        HttpGet httpget = new HttpGet("http://www.ksf-food.com/admin/Login.asp");
        httpget.setConfig(config);
        CloseableHttpResponse response1 = httpclient.execute(httpget);
        try {
            HttpEntity entity = response1.getEntity();

            System.out.println("Login form get: " + response1.getStatusLine());
            EntityUtils.consume(entity);

            System.out.println("Initial set of cookies:");
            List<Cookie> cookies = cookieStore.getCookies();
            if (cookies.isEmpty()) {
                System.out.println("None");
            } else {
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("- " + cookies.get(i).toString());
                }
            }
        } finally {
            response1.close();
        }

        String code = "";
        try {
            HttpUriRequest httpgetCode = RequestBuilder.get()
                    .setUri("http://www.ksf-food.com/admin/inc/checkcode.asp").setConfig(config).build();

            /*
             * HttpGet httpgetCode = new HttpGet(
             * "http://www.qufuev.com/admin/inc/checkcode.asp");
             * httpgetCode.setConfig(config);
             */

            System.out.println("Executing request " + httpgetCode.getRequestLine());
            System.out.println("========================================================");
            System.out.println("==httpget header ==");
            for (Header header : httpgetCode.getAllHeaders()) {
                System.out.println(header.getName() + ":" + header.getValue());
            }
            System.out.println("==httpget header ==");

            ResponseHandler<String> responseHandler = new ResponseHandler<String>() {
                public String handleResponse(final HttpResponse response)
                        throws ClientProtocolException, IOException {
                    int status = response.getStatusLine().getStatusCode();
                    if (status >= 200 && status < 300) {
                        HttpEntity entity = response.getEntity();
                        System.out.println("==respons header ==");
                        for (Header header : response.getAllHeaders()) {
                            System.out.println(header.getName() + ":" + header.getValue());
                        }
                        System.out.println("==respons header ==");
                        String fileName = System.currentTimeMillis() + "";
                        DataOutputStream dataOutputStream = new DataOutputStream(
                                new FileOutputStream("d://test//e3//" + fileName + ".jpg"));
                        dataOutputStream.write(EntityUtils.toByteArray(entity));
                        dataOutputStream.close();
                        return ImageTest.getAllOcr("d://test//e3//" + fileName + ".jpg");
                    } else {
                        throw new ClientProtocolException("Unexpected response status: " + status);
                    }
                }

            };
            code = httpclient.execute(httpgetCode, responseHandler);
            System.out.println("ClientFormLogin.main()-CheckCode:" + code);
            System.out.println("----------------------------------------");
        } catch (IOException e) {
            e.printStackTrace();
        }

        HttpUriRequest login = RequestBuilder.post()
                .setUri(new URI("http://www.ksf-food.com/admin/Admin_ChkLogin.asp"))
                .addParameter("UserName", "username").addParameter("Password", "password")
                .addParameter("CheckCode", code).setConfig(config).build();

        System.out.println("========================================================");
        System.out.println("==httpget header ==");
        for (Header header : login.getAllHeaders()) {
            System.out.println(header.getName() + ":" + header.getValue());
        }

        CloseableHttpResponse response2 = httpclient.execute(login);
        try {
            HttpEntity entity = response2.getEntity();

            System.out.println("Login form post: " + response2.getStatusLine());
            // EntityUtils.consume(entity);
            System.out.println("ClientFormLogin.main():\\n" + EntityUtils.toString(entity, "GBK"));

            System.out.println("Post logon cookies:");
            List<Cookie> cookies = cookieStore.getCookies();
            if (cookies.isEmpty()) {
                System.out.println("None");
            } else {
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("- " + cookies.get(i).toString());
                }
            }
        } finally {
            response2.close();
        }
    } finally {
        httpclient.close();
    }
}

From source file:com.turn.ttorrent.client.main.TorrentMain.java

/**
 * Torrent creator./*from  w  w  w . j ava2s. c  om*/
 *
 * <p>
 * You can use the {@code main()} function of this class to create
 * torrent files. See usage for details.
 * </p>
 */
public static void main(String[] args) throws Exception {
    // BasicConfigurator.configure(new ConsoleAppender(new PatternLayout("%-5p: %m%n")));

    OptionParser parser = new OptionParser();
    OptionSpec<Void> helpOption = parser.accepts("help").forHelp();
    OptionSpec<File> inputOption = parser.accepts("input").withRequiredArg().ofType(File.class).required()
            .describedAs("The input file or directory for the torrent.");
    OptionSpec<File> outputOption = parser.accepts("output").withRequiredArg().ofType(File.class).required()
            .describedAs("The output torrent file.");
    OptionSpec<URI> announceOption = parser.accepts("announce").withRequiredArg().ofType(URI.class).required()
            .describedAs("The announce URL for the torrent.");
    parser.nonOptions().ofType(File.class).describedAs("Files to include in the torrent.");

    OptionSet options = parser.parse(args);
    List<?> otherArgs = options.nonOptionArguments();

    // Display help and exit if requested
    if (options.has(helpOption)) {
        System.out.println("Usage: Torrent [<options>] <torrent-file>");
        parser.printHelpOn(System.err);
        System.exit(0);
    }

    List<File> files = new ArrayList<File>();
    for (Object o : otherArgs)
        files.add((File) o);
    Collections.sort(files);

    TorrentCreator creator = new TorrentCreator(options.valueOf(inputOption));
    if (!files.isEmpty())
        creator.setFiles(files);
    creator.setAnnounceList(options.valuesOf(announceOption));
    Torrent torrent = creator.create();

    File file = options.valueOf(outputOption);
    OutputStream fos = FileUtils.openOutputStream(file);
    try {
        torrent.save(fos);
    } finally {
        IOUtils.closeQuietly(fos);
    }
}

From source file:br.com.asisprojetos.mailreport.Main.java

public static void main(String args[]) {

    logger.debug("Testando debug");

    if (args.length < 2) {
        logger.error("Erro : Numero de parametros errados.");
        System.exit(1);//  ww  w .  j  a v  a2 s  .  c om
    }

    String dataIniProc = String.format("%s 00:00:00", args[0]);
    String dataFimProc = String.format("%s 23:59:59", args[1]);

    logger.debug("Data Inicial: {} , Data Final: {}", dataIniProc, dataFimProc);

    String mes = String.format("%s/%s", args[0].substring(5, 7), args[0].substring(0, 4));

    ApplicationContext context = new ClassPathXmlApplicationContext("Spring-Datasource.xml");

    TBRelatorioEmailDAO tbRelatorioEmailDAO = (TBRelatorioEmailDAO) context.getBean("TBRelatorioEmailDAO");

    List<TBRelatorioEmail> listaRelatorioEmail = tbRelatorioEmailDAO.getAll();

    for (TBRelatorioEmail tbRelatorioEmail : listaRelatorioEmail) {

        logger.debug(" CodContrato: {}, CodProduto: {}", tbRelatorioEmail.getCodContrato(),
                tbRelatorioEmail.getCodProduto());

        List<String> listaEmails = tbRelatorioEmailDAO.getListaEmails(tbRelatorioEmail.getCodContrato());

        if (!listaEmails.isEmpty()) {

            logger.debug("Lista de Emails obtida : [{}] ", listaEmails);

            //List<String> listaCodProduto = Arrays.asList( StringUtils.split(tbRelatorioEmail.getCodProduto(), ';') ) ;
            List<String> listaCodProduto = new ArrayList<String>();
            listaCodProduto.add("1");//Sped Fiscal

            logger.debug("Gerando Relatorio Geral de Consumo por Produto...");

            List<String> fileNames = new ArrayList<String>();
            String fileName;

            BarChartDemo barChartDemo = (BarChartDemo) context.getBean("BarChartDemo");
            //fileName = barChartDemo.generateBarChartGraph(tbRelatorioEmail.getCodContrato());
            //fileNames.add(fileName);
            fileNames = barChartDemo.generateBarChartGraph2(tbRelatorioEmail.getCodContrato());

            String templateFile = null;

            for (String codProduto : listaCodProduto) {

                if (codProduto.equals(Produto.SPED_FISCAL.getCodProduto())) {

                    logger.debug("Produto Codigo : {} ", codProduto);
                    templateFile = "index6.html";

                    //grafico de diagnostico
                    fileName = barChartDemo.generateDiagnosticGraph(tbRelatorioEmail.getCodContrato(),
                            dataIniProc, dataFimProc);
                    fileNames.add(fileName);

                    //grafico de auditoria recorrente
                    fileName = barChartDemo.generateRecurrentGraph(tbRelatorioEmail.getCodContrato(),
                            dataIniProc, dataFimProc);
                    fileNames.add(fileName);

                } else {
                    logger.debug("Produto Codigo : {} no aceito para gerar grafico ", codProduto);
                }

                logger.debug("Enviando Email.............Produto Codigo : {}", codProduto);

                SendEmail sendEmail = (SendEmail) context.getBean("SendEmail");
                sendEmail.enviar(listaEmails.toArray(new String[listaEmails.size()]),
                        "Relatrio Mensal de Riscos Fiscais", templateFile, fileNames, mes,
                        tbRelatorioEmail.getCodContrato());

                //sendEmail.enviar( new String[]{"leandro.prates@asisprojetos.com.br","leandro.prates@gmail.com"}  , 
                //        "Relatrio Mensal de Riscos Fiscais", templateFile, fileNames, mes, tbRelatorioEmail.getCodContrato() );

            }

            //Remover todos os arquivos png gerado para o cliente

            Config config = (Config) context.getBean("Config");

            for (String f : fileNames) {

                try {
                    File file = new File(String.format("%s/%s", config.getOutDirectory(), f));
                    if (file.delete()) {
                        logger.debug("Arquivo: [{}/{}] deletado com sucesso.", config.getOutDirectory(), f);
                    } else {
                        logger.error("Erro ao deletar o arquivo: [{}/{}]", config.getOutDirectory(), f);
                    }

                } catch (Exception ex) {
                    logger.error("Erro ao deletar o arquivo: [{}/{}] . Message {}", config.getOutDirectory(), f,
                            ex);
                }

            }

        }

    }

}

From source file:ar.com.zauber.garfio.Main.java

/**
 * @param args arguments.//w ww . j a va2s  .  c o  m
 * @throws Exception on error 
 */
public static void main(final String[] args) throws Exception {
    if (args.length < 3) {
        System.err.printf("Usage: %s revision username config.properties [dry-run]", Main.class);
        System.exit(1);
    }
    final String revision = args[0];
    final String username = args[1];
    final String config = args[2];
    final boolean isDryRun = args.length >= 4 && "dry-run".equals(args[3]);

    final PropertiesConfiguration configuration = getConfiguration(config, username, revision);
    final GarfioService garfioService = new DefaultGarfioService(getConfigurationDAO(configuration),
            getErrorNotificator());

    final StringWriter writer = new StringWriter();
    IOUtil.copy(System.in, writer);

    if (isDryRun) {
        final List<String> errors = garfioService.dryrun(configuration.getRepositoryName(), username,
                writer.toString());

        for (String error : errors) {
            System.err.println(error);
        }

        System.exit(errors.isEmpty() ? 0 : 1);
    } else {
        garfioService.run(configuration.getRepositoryName(), revision, args[1], writer.toString());
    }
}

From source file:com.muni.fi.pa165.survive.rest.client.SurviveRESTClient.java

public static void main(String[] args) {

    File file = new File("err.txt");
    FileOutputStream fos = null;/*  w  w w  .  jav a 2s.  com*/
    try {
        fos = new FileOutputStream(file);
    } catch (FileNotFoundException ex) {
        Logger.getLogger(SurviveRESTClient.class.getName()).log(Level.SEVERE, null, ex);
    }
    PrintStream ps = new PrintStream(fos);
    System.setErr(ps);

    CommandLineParser parser = new PosixParser();
    Options options = OptionsProvider.getInstance().getOptions();

    try {
        CommandLine line = parser.parse(options, args);
        List<String> validate = CommandLineValidator.validate(line);
        if (!validate.isEmpty()) {
            System.out.println("The following errors occured when parsing the command:");

            for (String string : validate) {
                System.out.println(string);
            }

            System.out.println("");
            printHelp(options);
            System.exit(1);
        }

        if (line.hasOption("h")) {
            printHelp(options);
            System.exit(0);
        }

        CustomRestService crudService;

        String operation = line.getOptionValue("o");

        // weapon mode
        if (line.hasOption("w")) {
            crudService = new WeaponServiceImpl();
            switch (operation) {
            case "C": {
                WeaponDto dto = DtoBuilder.getWeaponDto(line);
                Object byId = crudService.create(dto);
                printEntity(crudService.getResponse(), "Creating a weapon", byId);
                break;
            }
            case "R": {
                Long id = Long.parseLong(line.getOptionValue("i"));
                Object byId = crudService.getById(id);
                printEntity(crudService.getResponse(), "Reading a weapon with id " + id, byId);
                break;
            }
            case "U": {

                WeaponDto dto = DtoBuilder.getWeaponDto(line);
                Object byId = crudService.update(dto);
                printEntity(crudService.getResponse(), "Updating a weapon with id " + line.getOptionValue("i"),
                        byId);

                break;
            }
            case "D": {
                Long id = Long.parseLong(line.getOptionValue("i"));
                Response delete = crudService.delete(id);
                printEntity(crudService.getResponse(), "Deleting a weapon with id " + line.getOptionValue("i"),
                        crudService.getResponse().getStatusInfo());
                break;
            }
            case "A":
                List<AbstractDto> all = crudService.getAll();
                printEntities(crudService.getResponse(), "Reading all weapons", all);

                break;
            }
        } else if (line.hasOption("a")) {
            crudService = new AreaServiceImpl();
            switch (operation) {
            case "C": {
                AreaDto dto = DtoBuilder.getAreaDto(line);
                Object byId = crudService.create(dto);
                printEntity(crudService.getResponse(), "Creating an area", byId);
                break;
            }
            case "R": {
                Long id = Long.parseLong(line.getOptionValue("i"));
                Object byId = crudService.getById(id);
                printEntity(crudService.getResponse(), "Reading an area with id " + id, byId);
                break;
            }
            case "U": {
                AreaDto dto = DtoBuilder.getAreaDto(line);
                Object byId = crudService.update(dto);
                printEntity(crudService.getResponse(), "Updating an area with id " + line.getOptionValue("i"),
                        byId);
                break;
            }
            case "D": {
                Long id = Long.parseLong(line.getOptionValue("i"));
                Object byId = crudService.delete(id);
                printEntity(crudService.getResponse(), "Deleting an area with id " + line.getOptionValue("i"),
                        crudService.getResponse().getStatusInfo());
                break;
            }
            case "A":
                List<AbstractDto> all = crudService.getAll();
                printEntities(crudService.getResponse(), "Reading all areas", all);
                break;
            }
        } else {
            printHelp(options);
        }
    } catch (ParseException ex) {
        System.out.println(ex.getMessage());
        printHelp(options);
        System.exit(1);
    } catch (NumberFormatException ex) {
        System.out.println(ex.getMessage());
        printHelp(options);
        System.exit(2);
    } catch (MessageBodyProviderNotFoundException ex) {
        System.out.println("Couldn't connect to the server! Please make sure that the server side is running.");
        System.exit(3);
    } catch (ProcessingException ex) {
        System.out.println("Couldn't connect to the server! Please make sure that the server side is running.");
        System.exit(4);
    } catch (Exception ex) {
        System.out.println(
                "There was an error when connecting to the server. Please make sure that the server side is running.");
    }
}

From source file:EnumSpy.java

public static void main(String... args) {
    try {//from   w ww.  j  a  va2 s.c o  m
        Class<?> c = Class.forName(args[0]);
        if (!c.isEnum()) {
            out.format("%s is not an enum type%n", c);
            return;
        }
        out.format("Class:  %s%n", c);

        Field[] flds = c.getDeclaredFields();
        List<Field> cst = new ArrayList<Field>(); // enum constants
        List<Field> mbr = new ArrayList<Field>(); // member fields
        for (Field f : flds) {
            if (f.isEnumConstant())
                cst.add(f);
            else
                mbr.add(f);
        }
        if (!cst.isEmpty())
            print(cst, "Constant");
        if (!mbr.isEmpty())
            print(mbr, "Field");

        Constructor[] ctors = c.getDeclaredConstructors();
        for (Constructor ctor : ctors) {
            out.format(fmt, "Constructor", ctor.toGenericString(), synthetic(ctor));
        }

        Method[] mths = c.getDeclaredMethods();
        for (Method m : mths) {
            out.format(fmt, "Method", m.toGenericString(), synthetic(m));
        }

        // production code should handle this exception more gracefully
    } catch (ClassNotFoundException x) {
        x.printStackTrace();
    }
}