Example usage for java.lang String join

Introduction

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

Prototype

public static String join(CharSequence delimiter, Iterable<? extends CharSequence> elements)

Source Link

Document

Returns a new String composed of copies of the CharSequence elements joined together with a copy of the specified delimiter .

Usage

From source file:com.thoughtworks.go.apiv4.agents.representers.UpdateRequestRepresenter.java

static String toCommaSeparatedString(JsonArray jsonArray) {
    if (jsonArray == null) {
        return null;
    }//from w ww.  j  a  va2s. c  o  m
    final Set<String> list = new TreeSet<>();
    for (JsonElement jsonElement : jsonArray) {
        list.add(jsonElement.getAsString());
    }
    return String.join(",", list);
}

From source file:mtsar.api.csv.AnswerAggregationCSV.java

public static void write(Collection<AnswerAggregation> aggregations, OutputStream output) throws IOException {
    try (final Writer writer = new OutputStreamWriter(output, StandardCharsets.UTF_8)) {
        final Iterable<String[]> iterable = () -> aggregations.stream().sorted(ORDER)
                .map(aggregation -> new String[] { Integer.toString(aggregation.getTask().getId()), // task_id
                        String.join("|", aggregation.getAnswers()) // answers
                }).iterator();//from   w  w  w .j  a  v  a2 s  .  c o  m

        FORMAT.withHeader(HEADER).print(writer).printRecords(iterable);
    }
}

From source file:eu.over9000.cathode.AuthUtil.java

static URI buildTokenAuthURI(final String clientId, final String authRedirect, final String... authScopes) {
    final RequestBuilder rb = RequestBuilder.get(BASE_URL_TOKEN_AUTH);

    rb.addParameter("response_type", "token");
    rb.addParameter("client_id", clientId);
    rb.addParameter("redirect_uri", authRedirect);
    rb.addParameter("scope", String.join(" ", authScopes));

    return rb.build().getURI();
}

From source file:cop.raml.TestUtils.java

public static String joinStrings(CharSequence... elements) {
    return String.join(LINE_SEPARATOR, elements);
}

From source file:mtsar.api.csv.WorkerCSV.java

public static Iterator<Worker> parse(Stage stage, CSVParser csv) {
    final Set<String> header = csv.getHeaderMap().keySet();
    checkArgument(!Sets.intersection(header, Sets.newHashSet(HEADER)).isEmpty(), "Unknown CSV header: %s",
            String.join(",", header));

    return StreamSupport.stream(csv.spliterator(), false).map(row -> {
        final String id = row.isSet("id") ? row.get("id") : null;
        final String[] tags = row.isSet("tags") && !StringUtils.isEmpty(row.get("tags"))
                ? row.get("tags").split("\\|")
                : new String[0];
        final String datetime = row.isSet("datetime") ? row.get("datetime") : null;

        return new Worker.Builder().setId(StringUtils.isEmpty(id) ? null : Integer.valueOf(id))
                .setStage(stage.getId()).addAllTags(Arrays.asList(tags))
                .setDateTime(new Timestamp(StringUtils.isEmpty(datetime) ? System.currentTimeMillis()
                        : Long.parseLong(datetime) * 1000L))
                .build();/*from ww w. j a  va 2s  . c  o m*/
    }).iterator();
}

From source file:mtsar.api.csv.TaskCSV.java

public static Iterator<Task> parse(Stage stage, CSVParser csv) {
    final Set<String> header = csv.getHeaderMap().keySet();
    checkArgument(!Sets.intersection(header, Sets.newHashSet(HEADER)).isEmpty(), "Unknown CSV header: %s",
            String.join(",", header));

    return StreamSupport.stream(csv.spliterator(), false).map(row -> {
        final String id = row.isSet("id") ? row.get("id") : null;
        final String[] tags = row.isSet("tags") && !StringUtils.isEmpty(row.get("tags"))
                ? row.get("tags").split("\\|")
                : new String[0];
        final String type = row.get("type");
        final String description = row.isSet("description") ? row.get("description") : null;
        final String[] answers = row.isSet("answers") && !StringUtils.isEmpty(row.get("answers"))
                ? row.get("answers").split("\\|")
                : new String[0];
        final String datetime = row.isSet("datetime") ? row.get("datetime") : null;

        return new Task.Builder().setId(StringUtils.isEmpty(id) ? null : Integer.valueOf(id))
                .setStage(stage.getId()).addAllTags(Arrays.asList(tags))
                .setDateTime(new Timestamp(StringUtils.isEmpty(datetime) ? System.currentTimeMillis()
                        : Long.parseLong(datetime) * 1000L))
                .setType(StringUtils.defaultIfEmpty(type, TaskDAO.TASK_TYPE_SINGLE)).setDescription(description)
                .addAllAnswers(Arrays.asList(answers)).build();
    }).iterator();//from   w ww.  ja  v  a  2  s .c o  m
}

From source file:co.runrightfast.vertx.core.eventbus.EventBusAddress.java

/**
 * Address format follows a URI path convention.
 *
 * e.g., eventBusAddress("path1","path2","path3") returns "/path1/path2/path3"
 *
 *
 * @param path REQUIRED/*from w ww  . j a  v a  2s.c  o  m*/
 * @param paths OPTIONAL
 * @return eventbus address
 */
public static String eventBusAddress(final String path, final String... paths) {
    checkArgument(isNotBlank(path));
    final StringBuilder sb = new StringBuilder(128).append('/').append(path);
    if (ArrayUtils.isNotEmpty(paths)) {
        checkArgument(!Arrays.stream(paths).filter(StringUtils::isBlank).findFirst().isPresent());
        sb.append('/').append(String.join("/", paths));
    }
    return sb.toString();
}

From source file:mtsar.api.csv.AnswerCSV.java

public static Iterator<Answer> parse(Stage stage, CSVParser csv) {
    final Set<String> header = csv.getHeaderMap().keySet();
    checkArgument(!Sets.intersection(header, Sets.newHashSet(HEADER)).isEmpty(), "Unknown CSV header: %s",
            String.join(",", header));

    return StreamSupport.stream(csv.spliterator(), false).map(row -> {
        final String id = row.isSet("id") ? row.get("id") : null;
        final String[] tags = row.isSet("tags") && !StringUtils.isEmpty(row.get("tags"))
                ? row.get("tags").split("\\|")
                : new String[0];
        final String type = row.isSet("type") ? row.get("type") : null;
        final String workerId = row.get("worker_id");
        final String taskId = row.get("task_id");
        final String[] answers = row.isSet("answers") && !StringUtils.isEmpty(row.get("answers"))
                ? row.get("answers").split("\\|")
                : new String[0];
        final String datetime = row.isSet("datetime") ? row.get("datetime") : null;

        return new Answer.Builder().setId(StringUtils.isEmpty(id) ? null : Integer.valueOf(id))
                .setStage(stage.getId()).addAllTags(Arrays.asList(tags))
                .setDateTime(new Timestamp(StringUtils.isEmpty(datetime) ? System.currentTimeMillis()
                        : Long.parseLong(datetime) * 1000L))
                .setType(StringUtils.defaultIfEmpty(type, AnswerDAO.ANSWER_TYPE_DEFAULT))
                .setWorkerId(Integer.valueOf(workerId)).setTaskId(Integer.valueOf(taskId))
                .addAllAnswers(Arrays.asList(answers)).build();
    }).iterator();//from  ww  w.java  2s  .  c  o  m
}

From source file:com.orange.clara.cloud.servicedbdumper.task.boot.sequences.BootSequenceBinaries.java

@Override
public void runSequence() throws BootSequenceException {
    String[] commands = { "/bin/chmod", "-R", "+x", binariesPath.getAbsolutePath() };
    logger.debug("Running command: " + String.join(" ", commands) + " ...");
    ProcessBuilder pb = new ProcessBuilder(commands);
    Process p = null;/*w w  w  .  java  2s. c  o m*/
    try {
        p = pb.start();
        p.waitFor();
    } catch (IOException | InterruptedException e) {
        throw new BootSequenceException("Error when booting: " + e.getMessage(), e);
    }
    logger.debug("Finished Command: " + String.join(" ", commands) + ".");
}

From source file:de.prozesskraft.ptest.Launch.java

public static void main(String[] args) throws org.apache.commons.cli.ParseException, IOException {

    //      try/*  w ww  .  ja v a2s. c o  m*/
    //      {
    //         if (args.length != 3)
    //         {
    //            System.out.println("Please specify processdefinition file (xml) and an outputfilename");
    //         }
    //         
    //      }
    //      catch (ArrayIndexOutOfBoundsException e)
    //      {
    //         System.out.println("***ArrayIndexOutOfBoundsException: Please specify processdefinition.xml, openoffice_template.od*, newfile_for_processdefinitions.odt\n" + e.toString());
    //      }

    /*----------------------------
      get options from ini-file
    ----------------------------*/
    File inifile = new java.io.File(
            WhereAmI.getInstallDirectoryAbsolutePath(Launch.class) + "/" + "../etc/ptest-launch.ini");

    if (inifile.exists()) {
        try {
            ini = new Ini(inifile);
        } catch (InvalidFileFormatException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } catch (IOException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }
    } else {
        System.err.println("ini file does not exist: " + inifile.getAbsolutePath());
        System.exit(1);
    }

    /*----------------------------
      create boolean options
    ----------------------------*/
    Option ohelp = new Option("help", "print this message");
    Option ov = new Option("v", "prints version and build-date");

    /*----------------------------
      create argument options
    ----------------------------*/
    Option ospl = OptionBuilder.withArgName("DIR").hasArg()
            .withDescription("[mandatory] directory with sample input data")
            //            .isRequired()
            .create("spl");

    Option oinstancedir = OptionBuilder.withArgName("DIR").hasArg()
            .withDescription("[mandatory, default: .] directory where the test will be performed")
            //            .isRequired()
            .create("instancedir");

    Option ocall = OptionBuilder.withArgName("FILE").hasArg()
            .withDescription("[mandatory, default: random call in spl-directory] file with call-string")
            //            .isRequired()
            .create("call");

    Option oaltapp = OptionBuilder.withArgName("STRING").hasArg()
            .withDescription(
                    "[optional] alternative app. this String replaces the first line of the .call-file.")
            //            .isRequired()
            .create("altapp");

    Option oaddopt = OptionBuilder.withArgName("STRING").hasArg()
            .withDescription("[optional] add an option to the call.")
            //            .isRequired()
            .create("addopt");

    Option onolaunch = new Option("nolaunch",
            "only create instance directory, copy all spl files, but do NOT launch the process");

    /*----------------------------
      create options object
    ----------------------------*/
    Options options = new Options();

    options.addOption(ohelp);
    options.addOption(ov);
    options.addOption(ospl);
    options.addOption(oinstancedir);
    options.addOption(ocall);
    options.addOption(oaltapp);
    options.addOption(oaddopt);
    options.addOption(onolaunch);

    /*----------------------------
      create the parser
    ----------------------------*/
    CommandLineParser parser = new GnuParser();
    try {
        // parse the command line arguments
        commandline = parser.parse(options, args);
    } catch (Exception exp) {
        // oops, something went wrong
        System.err.println("Parsing failed. Reason: " + exp.getMessage());
        exiter();
    }

    /*----------------------------
      usage/help
    ----------------------------*/
    if (commandline.hasOption("help")) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp("launch", options);
        System.exit(0);
    }

    else if (commandline.hasOption("v")) {
        System.out.println("web:     " + web);
        System.out.println("author: " + author);
        System.out.println("version:" + version);
        System.out.println("date:     " + date);
        System.exit(0);
    }

    /*----------------------------
      ueberpruefen ob eine schlechte kombination von parametern angegeben wurde
    ----------------------------*/
    boolean error = false;
    String spl = null;
    String instancedir = null;
    String call = null;
    String altapp = null;
    ArrayList<String> addopt = new ArrayList<String>();

    // spl initialisieren
    if (commandline.hasOption("spl")) {
        spl = commandline.getOptionValue("spl");
    } else {
        System.err.println("option -spl is mandatory");
        error = true;
    }

    // instancedir initialisieren
    if (commandline.hasOption("instancedir")) {
        instancedir = commandline.getOptionValue("instancedir");
    } else {
        instancedir = System.getProperty("user.dir");
    }

    // call initialisieren
    if (commandline.hasOption("call")) {
        call = commandline.getOptionValue("call");
    }

    // altapp initialisieren
    if (commandline.hasOption("altapp")) {
        altapp = commandline.getOptionValue("altapp");
    }

    // addopt initialisieren
    if (commandline.hasOption("addopt")) {
        for (String actString : commandline.getOptionValues("addopt")) {
            addopt.add(actString);
        }
    }

    // wenn fehler, dann exit
    if (error) {
        exiter();
    }

    /*----------------------------
      die lizenz ueberpruefen und ggf abbrechen
    ----------------------------*/

    // check for valid license
    ArrayList<String> allPortAtHost = new ArrayList<String>();
    allPortAtHost.add(ini.get("license-server", "license-server-1"));
    allPortAtHost.add(ini.get("license-server", "license-server-2"));
    allPortAtHost.add(ini.get("license-server", "license-server-3"));

    MyLicense lic = new MyLicense(allPortAtHost, "1", "user-edition", "0.1");

    // lizenz-logging ausgeben
    for (String actLine : (ArrayList<String>) lic.getLog()) {
        System.err.println(actLine);
    }

    // abbruch, wenn lizenz nicht valide
    if (!lic.isValid()) {
        System.exit(1);
    }

    /*----------------------------
      die eigentliche business logic
    ----------------------------*/

    // das erste spl-objekt geben lassen
    Spl actSpl = new Splset(spl).getSpl().get(0);

    // den call, result und altapp ueberschreiben
    actSpl.setName("default");

    if (call != null) {
        actSpl.setCall(new java.io.File(call));
    }
    if (actSpl.getCall() == null) {
        System.err.println("error: no call information found");
        System.exit(1);
    }

    if (altapp != null) {
        actSpl.setAltapp(altapp);
    }

    if (addopt.size() > 0) {
        actSpl.setAddopt(addopt);
    }

    actSpl.setResult(null);

    // das instancedir erstellen
    java.io.File actSplInstanceDir = new java.io.File(instancedir);
    System.err.println("info: creating directory " + actSplInstanceDir.getCanonicalPath());
    actSplInstanceDir.mkdirs();

    // Inputdaten in das InstanceDir exportieren
    actSpl.exportInput(actSplInstanceDir);

    // exit, wenn --nolaunch
    if (commandline.hasOption("nolaunch")) {
        System.err.println("info: exiting, because of -nolaunch");
        System.exit(0);
    }

    // das logfile des Syscalls (zum debuggen des programms "process syscall" gedacht)
    String AbsLogSyscallWrapper = actSplInstanceDir.getCanonicalPath() + "/.log";
    String AbsStdout = actSplInstanceDir.getCanonicalPath() + "/.stdout.txt";
    String AbsStderr = actSplInstanceDir.getCanonicalPath() + "/.stderr.txt";
    String AbsPid = actSplInstanceDir.getCanonicalPath() + "/.pid";

    // beim starten von syscall werden parameter mit whitespaces an diesen auseinandergeschnitten und der nachfolgende aufruf schlaeft fehl
    // deshalb sollen whitespaces durch eine 'zeichensequenz' ersetzt werden
    // syscall ersetzt die zeichensequenz wieder zurueck in ein " "
    ArrayList<String> callFuerSyscall = actSpl.getCallAsArrayList();
    ArrayList<String> callFuerSyscallMitTrennzeichen = new ArrayList<String>();
    for (String actString : callFuerSyscall) {
        callFuerSyscallMitTrennzeichen.add(actString.replaceAll("\\s+", "%WHITESPACE%"));
    }

    try {
        // den Aufrufstring fuer die externe App (process syscall --version 0.6.0)) splitten
        // beim aufruf muss das erste argument im path zu finden sein, sonst gibt die fehlermeldung 'no such file or directory'
        ArrayList<String> processSyscallWithArgs = new ArrayList<String>(
                Arrays.asList(ini.get("apps", "pkraft-syscall").split(" ")));

        // die sonstigen argumente hinzufuegen
        processSyscallWithArgs.add("-call");
        processSyscallWithArgs.add(String.join(" ", callFuerSyscallMitTrennzeichen));
        //         processSyscallWithArgs.add("\""+call+"\"");
        processSyscallWithArgs.add("-stdout");
        processSyscallWithArgs.add(AbsStdout);
        processSyscallWithArgs.add("-stderr");
        processSyscallWithArgs.add(AbsStderr);
        processSyscallWithArgs.add("-pid");
        processSyscallWithArgs.add(AbsPid);
        processSyscallWithArgs.add("-mylog");
        processSyscallWithArgs.add(AbsLogSyscallWrapper);
        processSyscallWithArgs.add("-maxrun");
        processSyscallWithArgs.add("" + 3000);

        // erstellen prozessbuilder
        ProcessBuilder pb = new ProcessBuilder(processSyscallWithArgs);

        // erweitern des PATHs um den prozesseigenen path
        //         Map<String,String> env = pb.environment();
        //         String path = env.get("PATH");
        //         log("debug", "$PATH="+path);
        //         path = this.parent.getAbsPath()+":"+path;
        //         env.put("PATH", path);
        //         log("info", "path: "+path);

        // setzen der aktuellen directory (in der syscall ausgefuehrt werden soll)
        java.io.File directory = new java.io.File(instancedir);
        System.err.println("info: setting execution directory to: " + directory.getCanonicalPath());
        pb.directory(directory);

        // zum debuggen ein paar ausgaben
        //         java.lang.Process p1 = Runtime.getRuntime().exec("date >> ~/tmp.debug.work.txt");
        //         p1.waitFor();
        //         java.lang.Process p2 = Runtime.getRuntime().exec("ls -la "+this.getParent().getAbsdir()+" >> ~/tmp.debug.work.txt");
        //         p2.waitFor();
        //         java.lang.Process pro = Runtime.getRuntime().exec("nautilus");
        //         java.lang.Process superpro = Runtime.getRuntime().exec(processSyscallWithArgs.toArray(new String[processSyscallWithArgs.size()]));
        //         p3.waitFor();

        System.err.println("info: calling: " + pb.command());

        // starten des prozesses
        java.lang.Process sysproc = pb.start();

        // einfangen der stdout- und stderr des subprozesses
        InputStream is_stdout = sysproc.getInputStream();
        InputStream is_stderr = sysproc.getErrorStream();

        // Send your InputStream to an InputStreamReader:
        InputStreamReader isr_stdout = new InputStreamReader(is_stdout);
        InputStreamReader isr_stderr = new InputStreamReader(is_stderr);

        // That needs to go to a BufferedReader:
        BufferedReader br_stdout = new BufferedReader(isr_stdout);
        BufferedReader br_stderr = new BufferedReader(isr_stderr);

        //         // oeffnen der OutputStreams zu den Ausgabedateien
        //         FileWriter fw_stdout = new FileWriter(sStdout);
        //         FileWriter fw_stderr = new FileWriter(sStderr);

        // zeilenweise in die files schreiben
        String line_out = new String();
        String line_err = new String();

        while (br_stdout.readLine() != null) {
        }

        //         while (((line_out = br_stdout.readLine()) != null) || ((line_err = br_stderr.readLine()) != null))
        //         {
        //            if (!(line_out == null))
        //            {
        //               System.out.println(line_out);
        //               System.out.flush();
        //            }
        //            if (!(line_err == null))
        //            {
        //               System.err.println(line_err);
        //               System.err.flush();
        //            }
        //         }

        int exitValue = sysproc.waitFor();

        //         fw_stdout.close();
        //         fw_stderr.close();

        System.err.println("exitvalue: " + exitValue);

        sysproc.destroy();

        System.exit(exitValue);

        //         alternativer aufruf
        //         java.lang.Process sysproc = Runtime.getRuntime().exec(StringUtils.join(args_for_syscall, " "));

        //         log("info", "call executed. pid="+sysproc.hashCode());

        // wait 2 seconds for becoming the pid-file visible
        //         Thread.sleep(2000);

        //         int exitValue = sysproc.waitFor();

        //         // der prozess soll bis laengstens
        //         if(exitValue != 0)
        //         {
        //            System.err.println("error: call returned a value indicating an error: "+exitValue);
        //         }
        //         else
        //         {
        //            System.err.println("info: call returned value: "+exitValue);
        //         }

        //         System.err.println("info: "+new Date().toString());
        //         System.err.println("info: bye");
        //
        //         sysproc.destroy();
        //
        //         System.exit(sysproc.exitValue());
    } catch (Exception e2) {
        System.err.println("error: " + e2.getMessage());
        System.exit(1);
    }

}