Example usage for java.lang String split

List of usage examples for java.lang String split

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Introduction

In this page you can find the example usage for java.lang String split.

Prototype

public String[] split(String regex)

Source Link

Document

Splits this string around matches of the given regular expression.

Usage

From source file:cn.lhfei.spark.streaming.NginxlogSorterApp.java

public static void main(String[] args) {
    JavaSparkContext sc = null;/*from  w ww  .  ja va 2 s  . c om*/
    try {
        SparkConf conf = new SparkConf().setMaster("local").setAppName("NginxlogSorterApp");
        sc = new JavaSparkContext(conf);
        JavaRDD<String> lines = sc.textFile(ORIGIN_PATH);

        JavaRDD<NginxLog> items = lines.map(new Function<String, NginxLog>() {
            private static final long serialVersionUID = -1530783780334450383L;

            @Override
            public NginxLog call(String v1) throws Exception {
                NginxLog item = new NginxLog();
                String[] arrays = v1.split("[\\t]");

                if (arrays.length == 3) {
                    item.setIp(arrays[0]);
                    item.setLiveTime(Long.parseLong(arrays[1]));
                    item.setAgent(arrays[2]);
                }
                return item;
            }
        });

        log.info("=================================Length: [{}]", items.count());

        JavaPairRDD<String, Iterable<NginxLog>> keyMaps = items.groupBy(new Function<NginxLog, String>() {

            @Override
            public String call(NginxLog v1) throws Exception {
                return v1.getIp();
            }
        });

        log.info("=================================Group by Key Length: [{}]", keyMaps.count());

        keyMaps.foreach(new VoidFunction<Tuple2<String, Iterable<NginxLog>>>() {

            @Override
            public void call(Tuple2<String, Iterable<NginxLog>> t) throws Exception {
                log.info("++++++++++++++++++++++++++++++++ key: {}", t._1);

                Iterator<NginxLog> ts = t._2().iterator();

                while (ts.hasNext()) {
                    log.info("=====================================[{}]", ts.next().toString());
                }
            }

        });

        FileUtils.deleteDirectory(new File(DESTI_PATH));
        keyMaps.saveAsTextFile(DESTI_PATH);

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        sc.close();
    }
}

From source file:math2605.gn_log.java

/**
 * @param args the command line arguments
 *//* w w  w .  j a  v  a2  s. c om*/
public static void main(String[] args) {
    //get file name
    System.out.println("Please enter a file name:");
    Scanner scanner = new Scanner(System.in);
    String fileName = scanner.nextLine();
    List<String[]> pairs = new ArrayList<>();
    //get coordinate pairs and add to arraylist
    try {
        BufferedReader br = new BufferedReader(new FileReader(fileName));
        String line;
        while ((line = br.readLine()) != null) {
            String[] pair = line.split(",");
            pairs.add(pair);
        }
        br.close();
    } catch (Exception e) {
    }

    System.out.println("Please enter the value of a:");
    double a = scanner.nextInt();
    System.out.println("Please enter the value of b:");
    double b = scanner.nextInt();
    System.out.println("Please enter the value of c:");
    double c = scanner.nextInt();
    //init B, vector with 3 coordinates
    RealMatrix B = new Array2DRowRealMatrix(3, 1);
    B.setEntry(0, 0, a);
    B.setEntry(1, 0, b);
    B.setEntry(2, 0, c);

    System.out.println("Please enter the number of iteration for the Gauss-newton:");
    //init N, number of iterations
    int N = scanner.nextInt();

    //init r, vector of residuals
    RealMatrix r = new Array2DRowRealMatrix();
    setR(pairs, a, b, c, r);

    //init J, Jacobian of r
    RealMatrix J = new Array2DRowRealMatrix();
    setJ(pairs, a, b, c, r, J);

    System.out.println("J");
    System.out.println(J);
    System.out.println("r");
    System.out.println(r);

    RealMatrix sub = findQR(J, r);

    for (int i = N; i > 0; i--) {
        B = B.subtract(sub);
        double B0 = B.getEntry(0, 0);
        double B1 = B.getEntry(1, 0);
        double B2 = B.getEntry(2, 0);
        //CHANGE ABC TO USE B0, B1, B2
        setR(pairs, B0, B1, B2, r);
        setJ(pairs, B0, B1, B2, r, J);
    }
    System.out.println("B");
    System.out.println(B.toString());
}

From source file:de.jackwhite20.japs.server.Main.java

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

    Config config = null;//from   w w  w.  j a va 2s.co  m

    if (args.length > 0) {
        Options options = new Options();
        options.addOption("h", true, "Address to bind to");
        options.addOption("p", true, "Port to bind to");
        options.addOption("b", true, "The backlog");
        options.addOption("t", true, "Worker thread count");
        options.addOption("d", false, "If debug is enabled or not");
        options.addOption("c", true, "Add server as a cluster");
        options.addOption("ci", true, "Sets the cache check interval");
        options.addOption("si", true, "Sets the snapshot interval");

        CommandLineParser commandLineParser = new BasicParser();
        CommandLine commandLine = commandLineParser.parse(options, args);

        if (commandLine.hasOption("h") && commandLine.hasOption("p") && commandLine.hasOption("b")
                && commandLine.hasOption("t")) {

            List<ClusterServer> clusterServers = new ArrayList<>();

            if (commandLine.hasOption("c")) {
                for (String c : commandLine.getOptionValues("c")) {
                    String[] splitted = c.split(":");
                    clusterServers.add(new ClusterServer(splitted[0], Integer.parseInt(splitted[1])));
                }
            }

            config = new Config(commandLine.getOptionValue("h"),
                    Integer.parseInt(commandLine.getOptionValue("p")),
                    Integer.parseInt(commandLine.getOptionValue("b")), commandLine.hasOption("d"),
                    Integer.parseInt(commandLine.getOptionValue("t")), clusterServers,
                    (commandLine.hasOption("ci")) ? Integer.parseInt(commandLine.getOptionValue("ci")) : 300,
                    (commandLine.hasOption("si")) ? Integer.parseInt(commandLine.getOptionValue("si")) : -1);
        } else {
            System.out.println(
                    "Usage: java -jar japs-server.jar -h <Host> -p <Port> -b <Backlog> -t <Threads> [-c IP:Port IP:Port] [-d]");
            System.out.println(
                    "Example (with debugging enabled): java -jar japs-server.jar -h localhost -p 1337 -b 100 -t 4 -d");
            System.out.println(
                    "Example (with debugging enabled and cluster setup): java -jar japs-server.jar -h localhost -p 1337 -b 100 -t 4 -c localhost:1338 -d");
            System.exit(-1);
        }
    } else {
        File configFile = new File("config.json");
        if (!configFile.exists()) {
            try {
                Files.copy(JaPS.class.getClassLoader().getResourceAsStream("config.json"), configFile.toPath(),
                        StandardCopyOption.REPLACE_EXISTING);
            } catch (IOException e) {
                System.err.println("Unable to load default config!");
                System.exit(-1);
            }
        }

        try {
            config = new Gson().fromJson(
                    Files.lines(configFile.toPath()).map(String::toString).collect(Collectors.joining(" ")),
                    Config.class);
        } catch (IOException e) {
            System.err.println("Unable to load 'config.json' in current directory!");
            System.exit(-1);
        }
    }

    if (config == null) {
        System.err.println("Failed to create a Config!");
        System.err.println("Please check the program parameters or the 'config.json' file!");
    } else {
        System.err.println("Using Config: " + config);

        JaPS jaPS = new JaPS(config);
        jaPS.init();
        jaPS.start();
        jaPS.stop();
    }
}

From source file:math2605.gn_exp.java

/**
 * @param args the command line arguments
 *//*w w w .  jav a 2 s . c o  m*/
public static void main(String[] args) {
    //get file name
    System.out.println("Please enter a file name:");
    Scanner scanner = new Scanner(System.in);
    String fileName = scanner.nextLine();
    List<String[]> pairs = new ArrayList<>();
    //get coordinate pairs and add to arraylist
    try {
        BufferedReader br = new BufferedReader(new FileReader(fileName));
        String line;
        while ((line = br.readLine()) != null) {
            String[] pair = line.split(",");
            pairs.add(pair);
        }
        br.close();
    } catch (Exception e) {
    }

    System.out.println("Please enter the value of a:");
    double a = scanner.nextInt();
    System.out.println("Please enter the value of b:");
    double b = scanner.nextInt();
    System.out.println("Please enter the value of c:");
    double c = scanner.nextInt();
    //init B, vector with 3 coordinates
    RealMatrix B = new Array2DRowRealMatrix(3, 1);
    B.setEntry(0, 0, a);
    B.setEntry(1, 0, b);
    B.setEntry(2, 0, c);

    System.out.println("Please enter the number of iteration for the Gauss-newton:");
    //init N, number of iterations
    int N = scanner.nextInt();

    //init r, vector of residuals
    RealMatrix r = new Array2DRowRealMatrix();
    setR(pairs, a, b, c, r);

    //init J, Jacobian of r
    RealMatrix J = new Array2DRowRealMatrix();
    setJ(pairs, a, b, c, r, J);

    System.out.println("J");
    System.out.println(J);
    System.out.println("r");
    System.out.println(r);

    RealMatrix sub = findQR(J, r);

    for (int i = N; i > 0; i--) {
        B = B.subtract(sub);
        double B0 = B.getEntry(0, 0);
        double B1 = B.getEntry(1, 0);
        double B2 = B.getEntry(2, 0);
        //CHANGE ABC TO USE B0, B1, B2
        setR(pairs, B0, B1, B2, r);
        setJ(pairs, B0, B1, B2, r, J);
    }
    System.out.println("B");
    System.out.println(B.toString());

}

From source file:math2605.gn_qua.java

/**
 * @param args the command line arguments
 *///from   w  w w .  ja  v a 2s.  c  o m
public static void main(String[] args) {
    //get file name
    System.out.println("Please enter a file name:");
    Scanner scanner = new Scanner(System.in);
    String fileName = scanner.nextLine();
    List<String[]> pairs = new ArrayList<>();
    //get coordinate pairs and add to arraylist
    try {
        BufferedReader br = new BufferedReader(new FileReader(fileName));
        String line;
        while ((line = br.readLine()) != null) {
            String[] pair = line.split(",");
            pairs.add(pair);
        }
        br.close();
    } catch (Exception e) {
        System.out.println(e.getMessage());
    }

    System.out.println("Please enter the value of a:");
    double a = scanner.nextInt();
    System.out.println("Please enter the value of b:");
    double b = scanner.nextInt();
    System.out.println("Please enter the value of c:");
    double c = scanner.nextInt();
    //init B, vector with 3 coordinates
    RealMatrix B = new Array2DRowRealMatrix(3, 1);
    B.setEntry(0, 0, a);
    B.setEntry(1, 0, b);
    B.setEntry(2, 0, c);

    System.out.println("Please enter the number of iteration for the Gauss-newton:");
    //init N, number of iterations
    int N = scanner.nextInt();

    //init r, vector of residuals
    RealMatrix r = new Array2DRowRealMatrix(pairs.size(), 1);
    setR(pairs, a, b, c, r);

    //init J, Jacobian of r
    RealMatrix J = new Array2DRowRealMatrix(pairs.size(), 3);
    setJ(pairs, a, b, c, r, J);

    System.out.println("J");
    System.out.println(J);
    System.out.println("r");
    System.out.println(r);

    RealMatrix sub = findQR(J, r);

    for (int i = N; i > 0; i--) {
        B = B.subtract(sub);
        double B0 = B.getEntry(0, 0);
        double B1 = B.getEntry(1, 0);
        double B2 = B.getEntry(2, 0);
        //CHANGE ABC TO USE B0, B1, B2
        setR(pairs, B0, B1, B2, r);
        setJ(pairs, B0, B1, B2, r, J);
    }
    System.out.println("B");
    System.out.println(B.toString());
}

From source file:edu.cuhk.hccl.TripRealRatingsApp.java

public static void main(String[] args) throws IOException {
    File dir = new File(args[0]);
    File outFile = new File(args[1]);
    outFile.delete();/*  w ww.  j a  va2s. c om*/

    StringBuilder buffer = new StringBuilder();

    for (File file : dir.listFiles()) {
        List<String> lines = FileUtils.readLines(file, "UTF-8");
        String hotelID = file.getName().split("_")[1];
        String author = null;
        boolean noContent = false;
        for (String line : lines) {
            if (line.startsWith("<Author>")) {
                try {
                    author = line.split(">")[1].trim();
                } catch (ArrayIndexOutOfBoundsException e) {
                    System.out.println("[ERROR] An error occured on this line:");
                    System.out.println(line);
                    continue;
                }
            } else if (line.startsWith("<Content>")) { // ignore records if they have no content
                String content = line.split(">")[1].trim();
                if (content == null || content.equals(""))
                    noContent = true;
            } else if (line.startsWith("<Rating>")) {
                String[] rates = line.split(">")[1].trim().split("\t");

                if (noContent || rates.length != 8)
                    continue;

                // Change missing rating from -1 to 0
                for (int i = 0; i < rates.length; i++) {
                    if (rates[i].equals("-1"))
                        rates[i] = "0";
                }

                buffer.append(author + "\t");
                buffer.append(hotelID + "\t");

                // overall
                buffer.append(rates[0] + "\t");
                // location
                buffer.append(rates[3] + "\t");
                // room
                buffer.append(rates[2] + "\t");
                // service
                buffer.append(rates[6] + "\t");
                // value
                buffer.append(rates[1] + "\t");
                // cleanliness
                buffer.append(rates[4] + "\t");

                buffer.append("\n");
            }
        }

        // Write once for each file
        FileUtils.writeStringToFile(outFile, buffer.toString(), true);

        // Clear buffer
        buffer.setLength(0);
        System.out.printf("[INFO] Finished processing %s\n", file.getName());
    }
    System.out.println("[INFO] All processinig are finished!");
}

From source file:ca.uwaterloo.cpami.mahout.matrix.utils.GramSchmidt.java

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

    //final Configuration conf = new Configuration();
    //final FileSystem fs = FileSystem.get(conf);
    //final SequenceFile.Reader reader = new SequenceFile.Reader(fs,
    //   new Path("R1.dat"), conf);
    //IntWritable key = new IntWritable();
    //VectorWritable vec = new VectorWritable();
    Matrix mat = new SparseMatrix(1500, 100);
    //SparseRealMatrix mat2 = new OpenMapRealMatrix(12419,1500 );
    BufferedReader reader = new BufferedReader(new FileReader("R.3.csv"));
    String line = null;
    while ((line = reader.readLine()) != null) {
        String[] parts = line.split(",");

        mat.set(Integer.parseInt(parts[0]), Integer.parseInt(parts[1]), Double.parseDouble(parts[2]));
        /*/*ww w . j ava  2s .  c  om*/
        Vector v = vec.get();
        int i=0;
        Iterator<Vector.Element> itr = v.iterateNonZero();
        while(itr.hasNext()){
           double elem = itr.next().get();
           if(elem !=0)
              mat2.setEntry(i, key.get(), elem);
           i++;
        }
        */
    }

    //mat = mat.transpose();
    System.out.println(mat.viewColumn(0).isDense());
    System.out.println(mat.viewRow(0).isDense());
    mat = mat.transpose();
    GramSchmidt.orthonormalizeColumns(mat);
    /*
    System.out.println("started QR");
    System.out.println(Runtime.getRuntime().maxMemory());
    System.out.println(Runtime.getRuntime().maxMemory()-Runtime.getRuntime().freeMemory());
    QRDecomposition qr = new QRDecomposition(mat2);
    System.out.println(qr.getQ().getColumnDimension());
    System.out.println(qr.getQ().getRowDimension());
    */
    //mat = mat.transpose();
    //storeSparseColumns(mat);
    //for (int i = 0; i < 10; i++) {
    //   System.out.println(mat.viewRow(i).getNumNondefaultElements());
    //}

}

From source file:cc.twittertools.search.api.TrecSearchThriftServer.java

@SuppressWarnings("static-access")
public static void main(String[] args) throws Exception {
    Options options = new Options();

    options.addOption(new Option(HELP_OPTION, "show help"));
    options.addOption(OptionBuilder.withArgName("port").hasArg().withDescription("port").create(PORT_OPTION));
    options.addOption(//from ww w.j  a  v  a  2s .  c  o  m
            OptionBuilder.withArgName("index").hasArg().withDescription("index location").create(INDEX_OPTION));
    options.addOption(OptionBuilder.withArgName("num").hasArg()
            .withDescription("max number of threads in thread pool").create(MAX_THREADS_OPTION));
    options.addOption(OptionBuilder.withArgName("file").hasArg()
            .withDescription("file containing access tokens").create(CREDENTIALS_OPTION));

    CommandLine cmdline = null;
    CommandLineParser parser = new GnuParser();
    try {
        cmdline = parser.parse(options, args);
    } catch (ParseException exp) {
        System.err.println("Error parsing command line: " + exp.getMessage());
        System.exit(-1);
    }

    if (cmdline.hasOption(HELP_OPTION) || !cmdline.hasOption(INDEX_OPTION)) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp(TrecSearchThriftServer.class.getName(), options);
        System.exit(-1);
    }

    int port = cmdline.hasOption(PORT_OPTION) ? Integer.parseInt(cmdline.getOptionValue(PORT_OPTION))
            : DEFAULT_PORT;
    int maxThreads = cmdline.hasOption(MAX_THREADS_OPTION)
            ? Integer.parseInt(cmdline.getOptionValue(MAX_THREADS_OPTION))
            : DEFAULT_MAX_THREADS;
    File index = new File(cmdline.getOptionValue(INDEX_OPTION));

    Map<String, String> credentials = null;
    if (cmdline.hasOption(CREDENTIALS_OPTION)) {
        credentials = Maps.newHashMap();
        File cfile = new File(cmdline.getOptionValue(CREDENTIALS_OPTION));
        if (!cfile.exists()) {
            System.err.println("Error: " + cfile + " does not exist!");
            System.exit(-1);
        }
        for (String s : Files.readLines(cfile, Charsets.UTF_8)) {
            try {
                String[] arr = s.split(":");
                credentials.put(arr[0], arr[1]);
            } catch (Exception e) {
                // Catch any exceptions from parsing file contain access tokens
                System.err.println("Error reading access tokens from " + cfile + "!");
                System.exit(-1);
            }
        }
    }

    if (!index.exists()) {
        System.err.println("Error: " + index + " does not exist!");
        System.exit(-1);
    }

    TServerSocket serverSocket = new TServerSocket(port);
    TrecSearch.Processor<TrecSearch.Iface> searchProcessor = new TrecSearch.Processor<TrecSearch.Iface>(
            new TrecSearchHandler(index, credentials));

    TThreadPoolServer.Args serverArgs = new TThreadPoolServer.Args(serverSocket);
    serverArgs.maxWorkerThreads(maxThreads);
    TServer thriftServer = new TThreadPoolServer(
            serverArgs.processor(searchProcessor).protocolFactory(new TBinaryProtocol.Factory()));

    thriftServer.serve();
}

From source file:com.guye.baffle.obfuscate.Main.java

public static void main(String[] args) throws IOException, BaffleException {
    Options opt = new Options();

    opt.addOption("c", "config", true, "config file path,keep or mapping");

    opt.addOption("o", "output", true, "output mapping writer file");

    opt.addOption("v", "verbose", false, "explain what is being done.");

    opt.addOption("h", "help", false, "print help for the command.");

    opt.getOption("c").setArgName("file list");

    opt.getOption("o").setArgName("file path");

    String formatstr = "baffle [-c/--config filepaths list ][-o/--output filepath][-h/--help] ApkFile TargetApkFile";

    HelpFormatter formatter = new HelpFormatter();
    CommandLineParser parser = new PosixParser();
    CommandLine cl = null;/*from w ww .  j av  a2  s . c o  m*/
    try {
        // ?Options?
        cl = parser.parse(opt, args);

    } catch (ParseException e) {
        formatter.printHelp(formatstr, opt); // ???
        return;
    }

    if (cl == null || cl.getArgs() == null || cl.getArgs().length == 0) {
        formatter.printHelp(formatstr, opt);
        return;
    }

    // ?-h--help??
    if (cl.hasOption("h")) {
        HelpFormatter hf = new HelpFormatter();
        hf.printHelp(formatstr, "", opt, "");
        return;
    }

    // ???DirectoryName
    String[] str = cl.getArgs();
    if (str == null || str.length != 2) {
        HelpFormatter hf = new HelpFormatter();
        hf.printHelp("not specify apk file or taget apk file", opt);
        return;
    }

    if (str[1].equals(str[0])) {
        HelpFormatter hf = new HelpFormatter();
        hf.printHelp("apk file can not rewrite , please specify new target file", opt);
        return;
    }
    File apkFile = new File(str[0]);
    if (!apkFile.exists()) {
        HelpFormatter hf = new HelpFormatter();
        hf.printHelp("apk file not exists", opt);
        return;
    }

    File[] configs = null;
    if (cl.hasOption("c")) {
        String cfg = cl.getOptionValue("c");
        String[] fs = cfg.split(",");
        int len = fs.length;
        configs = new File[fs.length];
        for (int i = 0; i < len; i++) {
            configs[i] = new File(fs[i]);
            if (!configs[i].exists()) {
                HelpFormatter hf = new HelpFormatter();
                hf.printHelp("config file " + fs[i] + " not exists", opt);
                return;
            }
        }
    }

    File mappingfile = null;
    if (cl.hasOption("o")) {
        String mfile = cl.getOptionValue("o");
        mappingfile = new File(mfile);

        if (mappingfile.getParentFile() != null) {
            mappingfile.getParentFile().mkdirs();
        }

    }

    if (cl.hasOption('v')) {
        Logger.getLogger(Obfuscater.LOG_NAME).setLevel(Level.CONFIG);
    } else {
        Logger.getLogger(Obfuscater.LOG_NAME).setLevel(Level.OFF);
    }

    Logger.getLogger(Obfuscater.LOG_NAME).addHandler(new ConsoleHandler());

    Obfuscater obfuscater = new Obfuscater(configs, mappingfile, apkFile, str[1]);

    obfuscater.obfuscate();
}

From source file:de.dakror.jagui.parser.NGuiParser.java

public static void main(String[] args) {
    try {//from  w  w w  .  j  av  a 2s.  c om
        DIR.mkdirs();
        if (!new File(DIR, "convert.exe").exists())
            Helper.copyInputStream(NGuiParser.class.getResourceAsStream("/res/convert.exe"),
                    new FileOutputStream(new File(DIR, "convert.exe")));

        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

        JFileChooser jfc = new JFileChooser(
                new File(NGuiParser.class.getProtectionDomain().getCodeSource().getLocation().toURI()));
        jfc.setMultiSelectionEnabled(false);
        jfc.setFileSelectionMode(JFileChooser.FILES_ONLY);
        jfc.setFileFilter(new FileNameExtensionFilter("Unity ngui Gui-Skin (*.guiskin)", "guiskin"));

        if (jfc.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
            p("Collecting GUIDs, Converting Resources");
            HashMap<String, File> guids = collectGUIDs(jfc.getCurrentDirectory());

            p("Parsing Guiskin file");
            String s = Helper.getFileContent(jfc.getSelectedFile());
            String[] lines = s.split("\n");
            ArrayList<String> l = new ArrayList<>(Arrays.asList(lines));
            String string = "";
            for (int i = 0; i < l.size(); i++)
                if (!l.get(i).startsWith("%") && !l.get(i).startsWith("---"))
                    string += l.get(i) + "\n";

            Yaml yaml = new Yaml();
            for (Iterator<Object> iter = yaml.loadAll(string).iterator(); iter.hasNext();) {
                JSONObject o = new JSONObject((Map<?, ?>) iter.next());
                p("Cconverting Guiskin");
                replaceGuidDeep(o, guids, jfc.getSelectedFile());
                p("Writing converted file");
                Helper.setFileContent(new File(jfc.getSelectedFile().getParentFile(),
                        jfc.getSelectedFile().getName() + ".json"), o.toString(4));
                p("DONE");
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}