Example usage for com.google.common.base Preconditions checkArgument

Introduction

In this page you can find the example usage for com.google.common.base Preconditions checkArgument.

Prototype

public static void checkArgument(boolean expression, @Nullable Object errorMessage) 

Source Link

Document

Ensures the truth of an expression involving one or more parameters to the calling method.

Usage

From source file:org.xdi.oxd.license.validator.LicenseValidatorExecutor.java

/**
 * Required by Docker Edition.// w ww  .  j av a2  s  .  c om
 *
 * @param args args
 * @throws IOException
 */
public static void main(String[] args) throws IOException {
    System.out.println("Validator expects: " + ARGUMENTS_MESSAGE);
    Preconditions.checkArgument(args.length == 6,
            "Please specify arguments for program as following: " + ARGUMENTS_MESSAGE);

    String license = args[0];
    String publicKey = args[1];
    String publicPassword = args[2];
    String licensePassword = args[3];
    String product = args[4];
    String currentDate = args[5];

    LicenseContent licenseContent = LicenseValidator.validate(publicKey, publicPassword, licensePassword,
            license, Product.fromValue(product), new Date(Long.parseLong(currentDate)));

    System.out.println(Jackson.asJsonSilently(licenseContent));
}

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From source file:me.bramhaag.discordselfbot.Main.java

public static void main(String[] args) {
    Preconditions.checkArgument(args.length == 1, "Please specify a token");

    try {/*from  www .ja v a2 s .co  m*/
        bot = new Bot(args[0]);
    } catch (FileNotFoundException | LoginException | RateLimitedException | InterruptedException e) {
        e.printStackTrace();
    }
}

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From source file:pt.up.fe.specs.eclipse.Utilities.RunAnt.java

public static void main(String[] args) {
    SpecsSystem.programStandardInit();/*w ww  . j a  v a2s  .  c o  m*/
    // System.out.println("HELLO");
    // System.out.println("ANT java.home: " + System.getProperty("java.home"));
    // System.out.println("JAVA_HOME ENV:" + System.getenv("JAVA_HOME"));
    Preconditions.checkArgument(args.length > 0, "Expected at least one argument, the ant file");

    File antFile = SpecsIo.existingFile(args[0]);

    String target = null;
    if (args.length > 1) {
        target = args[1];
    }

    DeployUtils.runAnt(antFile, target);
}

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From source file:org.apache.kylin.common.util.SparkEntry.java

public static void main(String[] args) throws Exception {
    System.out.println("SparkEntry args:" + StringUtils.join(args, " "));
    Preconditions.checkArgument(args.length >= 2, "-className is required");
    Preconditions.checkArgument(args[0].equals("-className"), "-className is required");
    final String className = args[1];
    final Object o = Class.<AbstractApplication>forName(className).newInstance();
    Preconditions.checkArgument(o instanceof AbstractApplication,
            className + " is not a subClass of AbstractSparkApplication");
    String[] appArgs = new String[args.length - 2];
    for (int i = 2; i < args.length; i++) {
        appArgs[i - 2] = args[i];//from w  w  w.jav  a  2 s. com
    }
    AbstractApplication abstractApplication = (AbstractApplication) o;
    abstractApplication.execute(appArgs);
}

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From source file:org.apache.mahout.classifier.sgd.PrintResourceOrFile.java

public static void main(String[] args) throws Exception {
    Preconditions.checkArgument(args.length == 1, "Must have a single argument that names a file or resource.");
    BufferedReader in = TrainLogistic.open(args[0]);
    try {/*from   ww  w.j ava2 s .co m*/
        String line;
        while ((line = in.readLine()) != null) {
            System.out.println(line);
        }
    } finally {
        Closeables.close(in, true);
    }
}

---

From source file:org.opendaylight.protocol.pcep.testtool.PCCMock.java

public static void main(final String[] args) throws InterruptedException, ExecutionException {
    Preconditions.checkArgument(args.length > 0, "Host and port of server must be provided.");
    final List<PCEPCapability> caps = new ArrayList<>();
    final PCEPSessionProposalFactory proposal = new BasePCEPSessionProposalFactory((short) 120, (short) 30,
            caps);/*from   www . j  ava  2 s . c o m*/
    final PCEPSessionNegotiatorFactory snf = new DefaultPCEPSessionNegotiatorFactory(proposal, 0);
    final HostAndPort serverHostAndPort = HostAndPort.fromString(args[0]);
    final InetSocketAddress serverAddr = new InetSocketAddress(serverHostAndPort.getHostText(),
            serverHostAndPort.getPortOrDefault(12345));
    final InetSocketAddress clientAddr = InetSocketAddressUtil.getRandomLoopbackInetSocketAddress(0);

    try (final PCCDispatcherImpl pccDispatcher = new PCCDispatcherImpl(
            ServiceLoaderPCEPExtensionProviderContext.getSingletonInstance().getMessageHandlerRegistry())) {
        pccDispatcher.createClient(serverAddr, -1, new PCEPSessionListenerFactory() {
            @Override
            public PCEPSessionListener getSessionListener() {
                return new SimpleSessionListener();
            }
        }, snf, null, clientAddr).get();
    }
}

---

From source file:com.emo.ananas.app.App.java

public static void main(String[] args) throws InterruptedException {
    final ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();

    Config config = ConfigFactory.load();

    Preconditions.checkArgument(config.hasPath("emailer"), "expected an 'emailer' object in config");
    final Config emailerConfig = config.getConfig("emailer");
    Preconditions.checkArgument(emailerConfig.hasPath("smtp"), "expected emailer.smtp in config");

    EmailSenderConfig emailSenderConfig = new EmailSenderConfig(emailerConfig.getString("smtp"));

    Preconditions.checkArgument(config.hasPath("reports"), "expected reports object in config");
    final Config reportsConfig = config.getConfig("reports");
    Preconditions.checkArgument(reportsConfig.hasPath("actives"),
            "expected reports.actives with array of active declared reports in config");
    final List<String> activeReports = reportsConfig.getStringList("actives");

    final DataSourceFactory factory = new DataSourceFactory(config.getConfig("datasources"));

    for (final String activeReport : activeReports) {
        Preconditions.checkArgument(reportsConfig.hasPath(activeReport), "expected reports." + activeReport
                + " in config, because it is declared in actives report list");
    }// www.j  a v a  2s .c  o m

    scheduler.initialize();

    for (final String activeReport : activeReports) {
        final Config reportConfig = reportsConfig.getConfig(activeReport);
        final CronConfig cronConfig = new CronConfig(reportConfig);
        final EmailConfig emailConfig = new EmailConfig(reportConfig);
        final BaseConfig dataSource = new BaseConfig(reportConfig, factory);
        final QueryConfig queryConfig = new QueryConfig(reportConfig, dataSource.dataSource());
        final Report report = new Report(activeReport, scheduler, emailSenderConfig, emailConfig, cronConfig,
                queryConfig);
        report.schedule();
    }

    while (true) {
        Thread.sleep(60000);
    }
}

---

From source file:webindex.data.Configure.java

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

    if (args.length != 2) {
        log.error("Usage: Configure <webindexConfigPath> <fluoAppProps>");
        System.exit(1);//from w  ww  .j  a v  a 2s.  c o  m
    }
    WebIndexConfig webIndexConfig = WebIndexConfig.load(args[0]);
    String appPropsPath = args[1];
    Preconditions.checkArgument(new File(appPropsPath).exists(), "File does not exist: " + appPropsPath);

    FluoConfiguration fluoConfig = new FluoConfiguration(new File(webIndexConfig.getConnPropsPath()));
    fluoConfig.load(new File(appPropsPath));

    IndexEnv env = new IndexEnv(webIndexConfig, fluoConfig);
    env.initAccumuloIndexTable();

    FluoConfiguration appConfig = new FluoConfiguration();
    env.configureApplication(fluoConfig, appConfig);
    Iterator<String> iter = appConfig.getKeys();
    try (PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(appPropsPath, true)))) {
        while (iter.hasNext()) {
            String key = iter.next();
            out.println(key + " = " + appConfig.getRawString(key));
        }
    }
}

---

From source file:org.b1.pack.cli.Main.java

public static void main(String[] args) throws Exception {
    boolean debugMode = Boolean.getBoolean(Main.class.getName() + ".debug");
    try {/*from  w  w  w. ja v a2s  .c o  m*/
        long startTime = System.currentTimeMillis();
        ArgSet argSet = new ArgSet(args);
        String command = argSet.getCommand();
        if (argSet.isHelp()) {
            printHelp();
            Preconditions.checkArgument(command == null, "Command ignored");
        } else {
            Preconditions.checkNotNull(command, "No command");
            Preconditions.checkNotNull(COMAND_MAP.get(command), "Invalid command: %s", command).execute(argSet);
        }
        if (debugMode) {
            System.out.println("Executed in " + (System.currentTimeMillis() - startTime) + " ms.");
        }
    } catch (Exception e) {
        printError(e);
        if (debugMode) {
            throw e;
        } else {
            System.exit(1);
        }
    }
}

---

From source file:org.apache.kylin.engine.streaming.diagnose.StreamingLogAnalyzer.java

public static void main(String[] args) {
    int errorFileCount = 0;
    List<Long> ellapsedTimes = Lists.newArrayList();

    String patternStr = "(\\d{2}/\\d{2}/\\d{2} \\d{2}:\\d{2}:\\d{2})";
    Pattern pattern = Pattern.compile(patternStr);

    SimpleDateFormat format = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
    format.setTimeZone(TimeZone.getTimeZone("GMT")); // NOTE: this must be GMT to calculate epoch date correctly

    Preconditions.checkArgument(args.length == 1, "Usage: StreamingLogsAnalyser streaming_logs_folder");
    for (File file : FileUtils.listFiles(new File(args[0]), new String[] { "log" }, false)) {
        System.out.println("Processing file " + file.toString());

        long startTime = 0;
        long endTime = 0;
        try {/*  w  w  w  .j a  v a2  s .  c o m*/
            List<String> contents = Files.readAllLines(file.toPath(), Charset.defaultCharset());
            for (int i = 0; i < contents.size(); ++i) {
                Matcher m = pattern.matcher(contents.get(i));
                if (m.find()) {
                    startTime = format.parse("20" + m.group(1)).getTime();
                    break;
                }
            }

            for (int i = contents.size() - 1; i >= 0; --i) {
                Matcher m = pattern.matcher(contents.get(i));
                if (m.find()) {
                    endTime = format.parse("20" + m.group(1)).getTime();
                    break;
                }
            }

            if (startTime == 0 || endTime == 0) {
                throw new RuntimeException("start time or end time is not found");
            }

            if (endTime - startTime < 60000) {
                System.out.println("Warning: this job took less than one minute!!!! " + file.toString());
            }

            ellapsedTimes.add(endTime - startTime);

        } catch (Exception e) {
            System.out.println("Exception when processing log file " + file.toString());
            System.out.println(e);
            errorFileCount++;
        }
    }

    System.out.println("Totally error files count " + errorFileCount);
    System.out.println("Totally normal files processed " + ellapsedTimes.size());

    long sum = 0;
    for (Long x : ellapsedTimes) {
        sum += x;
    }
    System.out.println("Avg build time " + (sum / ellapsedTimes.size()));
}

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