Example usage for java.util Properties getProperty

List of usage examples for java.util Properties getProperty

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Introduction

In this page you can find the example usage for java.util Properties getProperty.

Prototype

public String getProperty(String key)

Source Link

Document

Searches for the property with the specified key in this property list.

Usage

From source file:com.tmo.swagger.main.GenrateSwaggerJson.java

public static void main(String[] args)
        throws JsonGenerationException, JsonMappingException, IOException, EmptyXlsRows {

    PropertyReader pr = new PropertyReader();

    Properties prop = pr.readPropertiesFile(args[0]);
    //Properties prop =pr.readClassPathPropertyFile("common.properties");
    String swaggerFile = prop.getProperty("swagger.json");
    String sw = "";
    if (swaggerFile != null && swaggerFile.length() > 0) {
        Swagger swagger = populatePropertiesOnlyPaths(prop, new SwaggerParser().read(swaggerFile));
        ObjectMapper mapper = new ObjectMapper();
        mapper.setSerializationInclusion(Include.NON_NULL);
        sw = mapper.writeValueAsString(swagger);
    } else {/*ww  w. j  a  v  a2  s.  co  m*/
        ObjectMapper mapper = new ObjectMapper();
        mapper.setSerializationInclusion(Include.NON_NULL);
        Swagger swagger = populateProperties(prop);
        sw = mapper.writeValueAsString(swagger);
    }
    try {
        File file = new File(args[1] + prop.getProperty("path.operation.tags") + ".json");
        //File file = new File("src/main/resources/"+prop.getProperty("path.operation.tags")+".json");
        if (!file.exists()) {
            file.createNewFile();
        }
        FileWriter fw = new FileWriter(file.getAbsoluteFile());
        BufferedWriter bw = new BufferedWriter(fw);
        bw.write(sw);
        logger.info("Swagger Genration Done!");
        bw.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:DumpProps.java

public static void main(String args[]) {
    Properties props = System.getProperties();
    Iterator iter = props.entrySet().iterator();
    while (iter.hasNext()) {
        Map.Entry entry = (Map.Entry) iter.next();
        System.out.println(entry.getKey() + " --- " + entry.getValue());
    }//www  .  j  a  v a  2 s .c o  m

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

    Enumeration e = props.propertyNames();
    while (e.hasMoreElements()) {
        String key = (String) e.nextElement();
        System.out.println(key + " --- " + props.getProperty(key));
    }
}

From source file:com.sec.ose.osi.UIMain.java

public static void main(String[] args) {
    log.debug("Start GUI Application : " + Version.getApplicationVersionInfo());

    // check java version
    final double MINIMUM_VERSION = 1.6; // SwingWorker is since 1.6

    log.debug("Checking Java version.");

    double cur_version = getJavaVersion();
    Properties prop = System.getProperties();
    String msg = "You need the latest JVM version to execute " + Version.getApplicationVersionInfo()
            + "\nYou can download JVM(JRE or JDK) at http://java.sun.com" + "\n -Minimun JVM to execute: Java "
            + MINIMUM_VERSION + "\n -Current version: Java " + prop.getProperty("java.version")
            + "\n -Local java home directory: " + prop.getProperty("java.home");

    if (cur_version < MINIMUM_VERSION) {
        JOptionPane.showMessageDialog(null, msg, "Incompatible JVM", JOptionPane.ERROR_MESSAGE);

        log.debug(msg);/*from ww w .j  a  v a2 s.  c  o  m*/
        System.exit(0);
    }

    // App Initialize
    BackgroundJobManager.getInstance().startBeforeLoginTaskThread();

    log.debug("Loading \"Login Frame\"");

    // login
    JFrame frmLogin = new JFrmLogin();
    UISharedData.getInstance().setCurrentFrame(frmLogin);
    frmLogin.setVisible(true);

    // check for only one OSI
    if (isRunning()) {
        JOptionPane.showMessageDialog(null, "OSI already has started. The program will be closed.", "Error",
                JOptionPane.ERROR_MESSAGE);
        System.exit(-1);
    }

    // tray icon create
    new JTrayIconApp("OSIT", frmLogin);
}

From source file:com.amazonaws.services.iot.demo.danbo.rpi.Danbo.java

public static void main(String[] args) throws Exception {
    log.debug("starting");

    // uses pin 6 for the red Led
    final Led redLed = new Led(6);
    // uses pin 26 for the green Led
    final Led greenLed = new Led(26);

    // turns the red led on initially
    redLed.on();//w w  w. j  a  v  a2  s.  c o m

    // turns the green led off initially
    greenLed.off();

    // loads properties from danbo.properties file - make sure this file is
    // available on the pi's home directory
    InputStream input = new FileInputStream("/home/pi/danbo/danbo.properties");
    Properties properties = new Properties();
    properties.load(input);
    endpoint = properties.getProperty("awsiot.endpoint");
    rootCA = properties.getProperty("awsiot.rootCA");
    privateKey = properties.getProperty("awsiot.privateKey");
    certificate = properties.getProperty("awsiot.certificate");
    url = protocol + endpoint + ":" + port;

    log.debug("properties loaded");

    // turns off both eyes
    RGBLed rgbLed = new RGBLed("RGBLed1", Danbo.pinLayout1, Danbo.pinLayout2, new Color(0, 0, 0),
            new Color(0, 0, 0), 0, 100);
    new Thread(rgbLed).start();

    // resets servo to initial positon
    Servo servo = new Servo("Servo", 1);
    new Thread(servo).start();

    // gets the Pi serial number and uses it as part of the thing
    // registration name
    clientId = clientId + getSerialNumber();

    // AWS IoT things shadow topics
    updateTopic = "$aws/things/" + clientId + "/shadow/update";
    deltaTopic = "$aws/things/" + clientId + "/shadow/update/delta";
    rejectedTopic = "$aws/things/" + clientId + "/shadow/update/rejected";

    // AWS IoT controller things shadow topic (used to register new things)
    controllerUpdateTopic = "$aws/things/Controller/shadow/update";

    // defines an empty danbo shadow POJO
    final DanboShadow danboShadow = new DanboShadow();
    DanboShadow.State state = danboShadow.new State();
    final DanboShadow.State.Reported reported = state.new Reported();
    reported.setEyes("readyToBlink");
    reported.setHead("readyToMove");
    reported.setMouth("readyToSing");
    reported.setName(clientId);
    state.setReported(reported);
    danboShadow.setState(state);

    // defines an empty controller shadow POJO
    final ControllerShadow controllerShadow = new ControllerShadow();
    ControllerShadow.State controllerState = controllerShadow.new State();
    final ControllerShadow.State.Reported controllerReported = controllerState.new Reported();
    controllerReported.setThingName(clientId);
    controllerState.setReported(controllerReported);
    controllerShadow.setState(controllerState);

    try {
        log.debug("registering");

        // registers the thing (creates a new thing) by updating the
        // controller
        String message = gson.toJson(controllerShadow);
        MQTTPublisher controllerUpdatePublisher = new MQTTPublisher(controllerUpdateTopic, qos, message, url,
                clientId + "-controllerupdate" + rand.nextInt(100000), cleanSession, rootCA, privateKey,
                certificate);
        new Thread(controllerUpdatePublisher).start();

        log.debug("registered");

        // clears the thing status (in case the thing already existed)
        Danbo.deleteStatus("initialDelete");

        // creates an MQTT subscriber to the things shadow delta topic
        // (command execution notification)
        MQTTSubscriber deltaSubscriber = new MQTTSubscriber(new DanboShadowDeltaCallback(), deltaTopic, qos,
                url, clientId + "-delta" + rand.nextInt(100000), cleanSession, rootCA, privateKey, certificate);
        new Thread(deltaSubscriber).start();

        // creates an MQTT subscriber to the things shadow error topic
        MQTTSubscriber errorSubscriber = new MQTTSubscriber(new DanboShadowRejectedCallback(), rejectedTopic,
                qos, url, clientId + "-rejected" + rand.nextInt(100000), cleanSession, rootCA, privateKey,
                certificate);
        new Thread(errorSubscriber).start();

        // turns the red LED off
        redLed.off();

        ScheduledExecutorService exec = Executors.newSingleThreadScheduledExecutor();
        exec.scheduleAtFixedRate(new Runnable() {
            @Override
            public void run() {
                // turns the green LED on
                greenLed.on();

                log.debug("running publish state thread");

                int temp = -300;
                int humid = -300;

                reported.setTemperature(new Integer(temp).toString());
                reported.setHumidity(new Integer(humid).toString());

                try {
                    // reads the temperature and humidity data
                    Set<Sensor> sensors = Sensors.getSensors();
                    log.debug(sensors.size());

                    for (Sensor sensor : sensors) {
                        log.debug(sensor.getPhysicalQuantity());
                        log.debug(sensor.getValue());
                        if (sensor.getPhysicalQuantity().toString().equals("Temperature")) {
                            temp = sensor.getValue().intValue();
                        }
                        if (sensor.getPhysicalQuantity().toString().equals("Humidity")) {
                            humid = sensor.getValue().intValue();
                        }
                    }

                    log.debug("temperature: " + temp);
                    log.debug("humidity: " + humid);
                    reported.setTemperature(new Integer(temp).toString());
                    reported.setHumidity(new Integer(humid).toString());
                } catch (Exception e) {
                    log.error("an error has ocurred: " + e.getMessage());
                    e.printStackTrace();
                }

                try {
                    // reports current state - last temperature and humidity
                    // read
                    String message = gson.toJson(danboShadow);
                    MQTTPublisher updatePublisher = new MQTTPublisher(updateTopic, qos, message, url,
                            clientId + "-update" + rand.nextInt(100000), cleanSession, rootCA, privateKey,
                            certificate);
                    new Thread(updatePublisher).start();
                } catch (Exception e) {
                    log.error("an error has ocurred: " + e.getMessage());
                    e.printStackTrace();
                }

                // turns the green LED off
                greenLed.off();
            }
        }, 0, 5, TimeUnit.SECONDS); // runs this thread every 5 seconds,
        // with an initial delay of 5 seconds
    } catch (MqttException me) {
        // Display full details of any exception that occurs
        log.error("reason " + me.getReasonCode());
        log.error("msg " + me.getMessage());
        log.error("loc " + me.getLocalizedMessage());
        log.error("cause " + me.getCause());
        log.error("excep " + me);
        me.printStackTrace();
    } catch (Throwable th) {
        log.error("msg " + th.getMessage());
        log.error("loc " + th.getLocalizedMessage());
        log.error("cause " + th.getCause());
        log.error("excep " + th);
        th.printStackTrace();
    }
}

From source file:edu.indiana.d2i.sloan.internal.SwitchVMSimulator.java

/**
 * @param args//from   w w w . ja va 2  s .c o m
 */
public static void main(String[] args) {
    SwitchVMSimulator simulator = new SwitchVMSimulator();

    CommandLineParser parser = new PosixParser();

    try {
        CommandLine line = simulator.parseCommandLine(parser, args);

        String wdir = line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.WORKING_DIR));
        String mode = line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VM_MODE));
        String policyFilePath = line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.POLICY_PATH));

        if (!HypervisorCmdSimulator.resourceExist(wdir)) {
            logger.error(String.format("Cannot find VM working dir: %s", wdir));
            System.exit(ERROR_CODE.get(ERROR_STATE.VM_NOT_EXIST));
        }

        VMMode requestedMode = HypervisorCmdSimulator.getVMMode(mode);

        if (requestedMode == null) {
            logger.error(String.format("Invalid requested mode: %s, can only be %s or %s", mode,
                    VMMode.MAINTENANCE.toString(), VMMode.SECURE.toString()));
            System.exit(ERROR_CODE.get(ERROR_STATE.INVALID_VM_MODE));
        }

        if (!HypervisorCmdSimulator.resourceExist(policyFilePath)) {
            logger.error(String.format("Cannot find plicy file: %s", policyFilePath));
            System.exit(ERROR_CODE.get(ERROR_STATE.FIREWALL_POLICY_NOT_EXIST));
        }

        // load VM state file
        Properties prop = new Properties();
        String filename = HypervisorCmdSimulator.cleanPath(wdir) + HypervisorCmdSimulator.VM_INFO_FILE_NAME;

        prop.load(new FileInputStream(new File(filename)));

        // cannot switch when VM is not running
        VMState currentState = VMState.valueOf(prop.getProperty(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VM_STATE)));

        if (!currentState.equals(VMState.RUNNING)) {
            logger.error("Cannot perform switch when VM is not running");
            System.exit(ERROR_CODE.get(ERROR_STATE.VM_NOT_RUNNING));
        }

        // get current mode
        VMMode currentMode = VMMode.valueOf(prop.getProperty(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VM_MODE)));

        if (currentMode.equals(requestedMode)) {
            logger.error(String.format("VM is already in the requested mode: %s", requestedMode.toString()));
            System.exit(ERROR_CODE.get(ERROR_STATE.VM_ALREADY_IN_REQUESTED_MODE));
        }

        // switch VM
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            logger.error(e.getMessage());
        }

        // update firewall policy
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.POLICY_PATH), policyFilePath);

        // update VM status file, i.e. set mode to the requested mode
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VM_MODE), requestedMode.toString());

        // save VM state file back
        prop.store(new FileOutputStream(new File(filename)), "");

        // success
        System.exit(0);
    } catch (ParseException e) {
        logger.error(String.format("Cannot parse input arguments: %s%n, expected:%n%s",
                StringUtils.join(args, " "), simulator.getUsage(100, "", 5, 5, "")));

        System.exit(ERROR_CODE.get(ERROR_STATE.INVALID_INPUT_ARGS));
    } catch (FileNotFoundException e) {
        logger.error(String.format("Cannot find vm state file: %s", e.getMessage()));

        System.exit(ERROR_CODE.get(ERROR_STATE.VM_STATE_FILE_NOT_FOUND));
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
        System.exit(ERROR_CODE.get(ERROR_STATE.IO_ERR));
    }
}

From source file:edu.indiana.d2i.sloan.internal.LaunchVMSimulator.java

/**
 * @param args//from  w  w w. j  av  a 2s  . c om
 */
public static void main(String[] args) {
    LaunchVMSimulator simulator = new LaunchVMSimulator();

    CommandLineParser parser = new PosixParser();

    try {
        CommandLine line = simulator.parseCommandLine(parser, args);

        String wdir = line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.WORKING_DIR));
        String mode = line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VM_MODE));
        String policyFilePath = line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.POLICY_PATH));

        if (!HypervisorCmdSimulator.resourceExist(wdir)) {
            logger.error(String.format("Cannot find VM working dir: %s", wdir));
            System.exit(ERROR_CODE.get(ERROR_STATE.VM_NOT_EXIST));
        }

        VMMode vmmode = HypervisorCmdSimulator.getVMMode(mode);

        if (vmmode == null) {
            logger.error(String.format("Invalid requested mode: %s, can only be %s or %s", mode,
                    VMMode.MAINTENANCE.toString(), VMMode.SECURE.toString()));
            System.exit(ERROR_CODE.get(ERROR_STATE.INVALID_VM_MODE));
        }

        if (!HypervisorCmdSimulator.resourceExist(policyFilePath)) {
            logger.error(String.format("Cannot find plicy file: %s", policyFilePath));
            System.exit(ERROR_CODE.get(ERROR_STATE.FIREWALL_POLICY_NOT_EXIST));
        }

        // load VM status info
        Properties prop = new Properties();
        String filename = HypervisorCmdSimulator.cleanPath(wdir) + HypervisorCmdSimulator.VM_INFO_FILE_NAME;

        prop.load(new FileInputStream(new File(filename)));

        // can only launch VM when it is in shutdown state
        VMState currentState = VMState.valueOf(prop.getProperty(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VM_STATE)));

        if (!currentState.equals(VMState.SHUTDOWN)) {
            logger.error(String.format("Can only launch VM when it is in %s state, current VM state is %s",
                    VMState.SHUTDOWN.toString(), currentState.toString()));
            System.exit(ERROR_CODE.get(ERROR_STATE.VM_NOT_SHUTDOWN));
        }
        // launch VM
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            logger.error(e.getMessage());
        }

        // update VM state file

        // set following properties
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.POLICY_PATH), policyFilePath);
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VM_MODE), vmmode.toString());

        // set VM state to running
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VM_STATE), VMState.RUNNING.toString());

        // save VM state file back
        prop.store(new FileOutputStream(new File(filename)), "");

        // success
        System.exit(0);
    } catch (ParseException e) {
        logger.error(String.format("Cannot parse input arguments: %s%n, expected:%n%s",
                StringUtils.join(args, " "), simulator.getUsage(100, "", 5, 5, "")));

        System.exit(ERROR_CODE.get(ERROR_STATE.INVALID_INPUT_ARGS));
    } catch (FileNotFoundException e) {
        logger.error(String.format("Cannot find vm state file: %s", e.getMessage()));

        System.exit(ERROR_CODE.get(ERROR_STATE.VM_STATE_FILE_NOT_FOUND));
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
        System.exit(ERROR_CODE.get(ERROR_STATE.IO_ERR));
    }
}

From source file:com.mmounirou.spotirss.SpotiRss.java

/**
 * @param args// www.  j ava2 s  . c o m
 * @throws IOException 
 * @throws ClassNotFoundException 
 * @throws IllegalAccessException 
 * @throws InstantiationException 
 * @throws SpotifyClientException 
 * @throws ChartRssException 
 * @throws SpotifyException 
 */
public static void main(String[] args) throws IOException, InstantiationException, IllegalAccessException,
        ClassNotFoundException, SpotifyClientException {
    if (args.length == 0) {
        System.err.println("usage : java -jar spotiboard.jar <charts-folder>");
        return;
    }

    Properties connProperties = new Properties();
    InputStream inStream = SpotiRss.class.getResourceAsStream("/spotify-server.properties");
    try {
        connProperties.load(inStream);
    } finally {
        IOUtils.closeQuietly(inStream);
    }

    String host = connProperties.getProperty("host");
    int port = Integer.parseInt(connProperties.getProperty("port"));
    String user = connProperties.getProperty("user");

    final SpotifyClient spotifyClient = new SpotifyClient(host, port, user);
    final Map<String, Playlist> playlistsByTitle = getPlaylistsByTitle(spotifyClient);

    final File outputDir = new File(args[0]);
    outputDir.mkdirs();
    TrackCache cache = new TrackCache();
    try {

        for (String strProvider : PROVIDERS) {
            String providerClassName = EntryToTrackConverter.class.getPackage().getName() + "."
                    + StringUtils.capitalize(strProvider);
            final EntryToTrackConverter converter = (EntryToTrackConverter) SpotiRss.class.getClassLoader()
                    .loadClass(providerClassName).newInstance();
            Iterable<String> chartsRss = getCharts(strProvider);
            final File resultDir = new File(outputDir, strProvider);
            resultDir.mkdir();

            final SpotifyHrefQuery hrefQuery = new SpotifyHrefQuery(cache);
            Iterable<String> results = FluentIterable.from(chartsRss).transform(new Function<String, String>() {

                @Override
                @Nullable
                public String apply(@Nullable String chartRss) {

                    try {

                        long begin = System.currentTimeMillis();
                        ChartRss bilboardChartRss = ChartRss.getInstance(chartRss, converter);
                        Map<Track, String> trackHrefs = hrefQuery.getTrackHrefs(bilboardChartRss.getSongs());

                        String strTitle = bilboardChartRss.getTitle();
                        File resultFile = new File(resultDir, strTitle);
                        List<String> lines = Lists.newLinkedList(FluentIterable.from(trackHrefs.keySet())
                                .transform(Functions.toStringFunction()));
                        lines.addAll(trackHrefs.values());
                        FileUtils.writeLines(resultFile, Charsets.UTF_8.displayName(), lines);

                        Playlist playlist = playlistsByTitle.get(strTitle);
                        if (playlist != null) {
                            playlist.getTracks().clear();
                            playlist.getTracks().addAll(trackHrefs.values());
                            spotifyClient.patch(playlist);
                            LOGGER.info(String.format("%s chart exported patched", strTitle));
                        }

                        LOGGER.info(String.format("%s chart exported in %s in %d s", strTitle,
                                resultFile.getAbsolutePath(),
                                (int) TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis() - begin)));

                    } catch (Exception e) {
                        LOGGER.error(String.format("fail to export %s charts", chartRss), e);
                    }

                    return "";
                }
            });

            // consume iterables
            Iterables.size(results);

        }

    } finally {
        cache.close();
    }

}

From source file:com.xyz.reccommendation.driver.SKU2SKUCount.java

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

    final Configuration conf = new Configuration();

    String envt = null;// w  w w. j  a v  a 2  s .  c o m

    if (args.length > 0) {
        envt = args[0];
    } else {
        envt = "dev";
    }

    Properties prop = new Properties();

    try {
        // load a properties file from class path, inside static method
        prop.load(SKU2SKUCount.class.getClassLoader().getResourceAsStream("config-" + envt + ".properties"));

    } catch (IOException ex) {
        ex.printStackTrace();
        System.exit(1);
    }

    MongoConfigUtil.setOutputURI(conf, "mongodb://" + prop.getProperty("mongodb.ip") + "/"
            + prop.getProperty("mongodb.dbname") + ".out_stat_custom");

    log.debug("MongoDB URL : mongodb://" + prop.getProperty("mongodb.ip") + "/"
            + prop.getProperty("mongodb.dbname") + "." + ".out_stat_custom");

    log.debug("Conf: " + conf);

    MongoConfigUtil.setCreateInputSplits(conf, false);
    args = new GenericOptionsParser(conf, args).getRemainingArgs();

    final Job job = new Job(conf,
            "Count the sku to sku mapping from pview data on hdfs in \"inputPview\" path.");

    job.setJarByClass(SKU2SKUCount.class);

    job.setMapperClass(TokenizerMapper.class);

    // job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    job.setMapOutputKeyClass(Text.class);
    job.setMapOutputValueClass(IntWritable.class);

    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(BSONWritable.class);

    job.setInputFormatClass(KeyValueTextInputFormat.class);
    job.setOutputFormatClass(MongoOutputFormat.class);

    FileInputFormat.setInputPaths(job, new Path("inputPview"));

    System.exit(job.waitForCompletion(true) ? 0 : 1);

}

From source file:com.yahoo.pulsar.testclient.PerformanceReader.java

public static void main(String[] args) throws Exception {
    final Arguments arguments = new Arguments();
    JCommander jc = new JCommander(arguments);
    jc.setProgramName("pulsar-perf-reader");

    try {/*from  w  w  w  . jav  a 2  s.com*/
        jc.parse(args);
    } catch (ParameterException e) {
        System.out.println(e.getMessage());
        jc.usage();
        System.exit(-1);
    }

    if (arguments.help) {
        jc.usage();
        System.exit(-1);
    }

    if (arguments.topic.size() != 1) {
        System.out.println("Only one topic name is allowed");
        jc.usage();
        System.exit(-1);
    }

    if (arguments.confFile != null) {
        Properties prop = new Properties(System.getProperties());
        prop.load(new FileInputStream(arguments.confFile));

        if (arguments.serviceURL == null) {
            arguments.serviceURL = prop.getProperty("brokerServiceUrl");
        }

        if (arguments.serviceURL == null) {
            arguments.serviceURL = prop.getProperty("webServiceUrl");
        }

        // fallback to previous-version serviceUrl property to maintain backward-compatibility
        if (arguments.serviceURL == null) {
            arguments.serviceURL = prop.getProperty("serviceUrl", "http://localhost:8080/");
        }

        if (arguments.authPluginClassName == null) {
            arguments.authPluginClassName = prop.getProperty("authPlugin", null);
        }

        if (arguments.authParams == null) {
            arguments.authParams = prop.getProperty("authParams", null);
        }
    }

    // Dump config variables
    ObjectMapper m = new ObjectMapper();
    ObjectWriter w = m.writerWithDefaultPrettyPrinter();
    log.info("Starting Pulsar performance reader with config: {}", w.writeValueAsString(arguments));

    final DestinationName prefixTopicName = DestinationName.get(arguments.topic.get(0));

    final RateLimiter limiter = arguments.rate > 0 ? RateLimiter.create(arguments.rate) : null;

    ReaderListener listener = (reader, msg) -> {
        messagesReceived.increment();
        bytesReceived.add(msg.getData().length);

        if (limiter != null) {
            limiter.acquire();
        }
    };

    EventLoopGroup eventLoopGroup;
    if (SystemUtils.IS_OS_LINUX) {
        eventLoopGroup = new EpollEventLoopGroup(Runtime.getRuntime().availableProcessors() * 2,
                new DefaultThreadFactory("pulsar-perf-reader"));
    } else {
        eventLoopGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors(),
                new DefaultThreadFactory("pulsar-perf-reader"));
    }

    ClientConfiguration clientConf = new ClientConfiguration();
    clientConf.setConnectionsPerBroker(arguments.maxConnections);
    clientConf.setStatsInterval(arguments.statsIntervalSeconds, TimeUnit.SECONDS);
    if (isNotBlank(arguments.authPluginClassName)) {
        clientConf.setAuthentication(arguments.authPluginClassName, arguments.authParams);
    }
    PulsarClient pulsarClient = new PulsarClientImpl(arguments.serviceURL, clientConf, eventLoopGroup);

    List<CompletableFuture<Reader>> futures = Lists.newArrayList();
    ReaderConfiguration readerConfig = new ReaderConfiguration();
    readerConfig.setReaderListener(listener);
    readerConfig.setReceiverQueueSize(arguments.receiverQueueSize);

    MessageId startMessageId;
    if ("earliest".equals(arguments.startMessageId)) {
        startMessageId = MessageId.earliest;
    } else if ("latest".equals(arguments.startMessageId)) {
        startMessageId = MessageId.latest;
    } else {
        String[] parts = arguments.startMessageId.split(":");
        startMessageId = new MessageIdImpl(Long.parseLong(parts[0]), Long.parseLong(parts[1]), -1);
    }

    for (int i = 0; i < arguments.numDestinations; i++) {
        final DestinationName destinationName = (arguments.numDestinations == 1) ? prefixTopicName
                : DestinationName.get(String.format("%s-%d", prefixTopicName, i));

        futures.add(pulsarClient.createReaderAsync(destinationName.toString(), startMessageId, readerConfig));
    }

    FutureUtil.waitForAll(futures).get();

    log.info("Start reading from {} topics", arguments.numDestinations);

    long oldTime = System.nanoTime();

    while (true) {
        try {
            Thread.sleep(10000);
        } catch (InterruptedException e) {
            break;
        }

        long now = System.nanoTime();
        double elapsed = (now - oldTime) / 1e9;
        double rate = messagesReceived.sumThenReset() / elapsed;
        double throughput = bytesReceived.sumThenReset() / elapsed * 8 / 1024 / 1024;

        log.info("Read throughput: {}  msg/s -- {} Mbit/s", dec.format(rate), dec.format(throughput));
        oldTime = now;
    }

    pulsarClient.close();
}

From source file:com.github.jcustenborder.kafka.connect.spooldir.SchemaGenerator.java

public static void main(String... args) throws Exception {
    ArgumentParser parser = ArgumentParsers.newArgumentParser("CsvSchemaGenerator").defaultHelp(true)
            .description("Generate a schema based on a file.");
    parser.addArgument("-t", "--type").required(true).choices("csv", "json")
            .help("The type of generator to use.");
    parser.addArgument("-c", "--config").type(File.class);
    parser.addArgument("-f", "--file").type(File.class).required(true)
            .help("The data file to generate the schema from.");
    parser.addArgument("-i", "--id").nargs("*").help("Field(s) to use as an identifier.");
    parser.addArgument("-o", "--output").type(File.class)
            .help("Output location to write the configuration to. Stdout is default.");

    Namespace ns = null;//from  ww w .jav  a  2  s  . c  o  m

    try {
        ns = parser.parseArgs(args);
    } catch (ArgumentParserException ex) {
        parser.handleError(ex);
        System.exit(1);
    }

    File inputFile = ns.get("file");
    List<String> ids = ns.getList("id");
    if (null == ids) {
        ids = ImmutableList.of();
    }

    Map<String, Object> settings = new LinkedHashMap<>();

    File inputPropertiesFile = ns.get("config");
    if (null != inputPropertiesFile) {
        Properties inputProperties = new Properties();

        try (FileInputStream inputStream = new FileInputStream(inputPropertiesFile)) {
            inputProperties.load(inputStream);
        }
        for (String s : inputProperties.stringPropertyNames()) {
            Object v = inputProperties.getProperty(s);
            settings.put(s, v);
        }
    }

    final SchemaGenerator generator;
    final String type = ns.getString("type");

    if ("csv".equalsIgnoreCase(type)) {
        generator = new CsvSchemaGenerator(settings);
    } else if ("json".equalsIgnoreCase(type)) {
        generator = new JsonSchemaGenerator(settings);
    } else {
        throw new UnsupportedOperationException(
                String.format("'%s' is not a supported schema generator type", type));
    }

    Map.Entry<Schema, Schema> kvp = generator.generate(inputFile, ids);

    Properties properties = new Properties();
    properties.putAll(settings);
    properties.setProperty(SpoolDirSourceConnectorConfig.KEY_SCHEMA_CONF,
            ObjectMapperFactory.INSTANCE.writeValueAsString(kvp.getKey()));
    properties.setProperty(SpoolDirSourceConnectorConfig.VALUE_SCHEMA_CONF,
            ObjectMapperFactory.INSTANCE.writeValueAsString(kvp.getValue()));

    String output = ns.getString("output");
    final String comment = "Configuration was dynamically generated. Please verify before submitting.";

    if (Strings.isNullOrEmpty(output)) {
        properties.store(System.out, comment);
    } else {
        try (FileOutputStream outputStream = new FileOutputStream(output)) {
            properties.store(outputStream, comment);
        }
    }
}