Example usage for java.util Scanner Scanner

Introduction

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

Prototype

public Scanner(ReadableByteChannel source) 

Source Link

Document

Constructs a new Scanner that produces values scanned from the specified channel.

Usage

From source file:azureml_besapp.AzureML_BESApp.java

/**
 * Read the JSON schema from the file rrsJson.json
 * //from  w ww .  j a  v  a  2  s  .c  o  m
 * @param filename It expects a fully qualified file name that contains input JSON file
 */
public static void readJson(String filename) {
    try {
        File apiFile = new File(filename);
        Scanner sc = new Scanner(apiFile);
        jsonBody = "";
        while (sc.hasNext()) {
            jsonBody += sc.nextLine() + "\n";
        }
    } catch (Exception e) {
        System.out.println(e.toString());
    }
}

---

From source file:adviewer.util.JSONIO.java

/**
 * Take in file and return one string of json data
 * //  www  .  ja v a 2s  . c om
 * @return
 * @throws IOException
 */
public static String readJSONFile(File inFile) {
    String readFile = "";

    try {
        File fileIn = inFile;

        //if the file is not there then create the file
        if (fileIn.createNewFile()) {
            System.out.println(fileIn + " was created ");
        }

        FileReader fr = new FileReader(fileIn);
        Scanner sc = new Scanner(fr);

        while (sc.hasNext()) {
            readFile += sc.nextLine().trim();
        }

        return readFile;

    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    // System.out.println( readFile  );
    return readFile;
}

---

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

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

    //      try// ww w  .j a va 2s  . co  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(Fingerprint.class) + "/" + "../etc/ptest-fingerprint.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 opath = OptionBuilder.withArgName("PATH").hasArg()
            .withDescription(
                    "[mandatory; default: .] the root path for the tree you want to make a fingerprint from.")
            //            .isRequired()
            .create("path");

    Option osizetol = OptionBuilder.withArgName("FLOAT").hasArg().withDescription(
            "[optional; default: 0.02] the sizeTolerance (as factor in percent) of all file entries will be set to this value. [0.0 < sizetol < 1.0]")
            //            .isRequired()
            .create("sizetol");

    Option omd5 = OptionBuilder.withArgName("no|yes").hasArg()
            .withDescription("[optional; default: yes] should be the md5sum of files determined? no|yes")
            //            .isRequired()
            .create("md5");

    Option oignore = OptionBuilder.withArgName("STRING").hasArgs()
            .withDescription("[optional] path-pattern that should be ignored when creating the fingerprint")
            //            .isRequired()
            .create("ignore");

    Option oignorefile = OptionBuilder.withArgName("FILE").hasArg().withDescription(
            "[optional] file with path-patterns (one per line) that should be ignored when creating the fingerprint")
            //            .isRequired()
            .create("ignorefile");

    Option ooutput = OptionBuilder.withArgName("FILE").hasArg()
            .withDescription("[mandatory; default: <path>/fingerprint.xml] fingerprint file")
            //            .isRequired()
            .create("output");

    Option of = new Option("f", "[optional] force overwrite fingerprint file if it already exists");

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

    options.addOption(ohelp);
    options.addOption(ov);
    options.addOption(opath);
    options.addOption(osizetol);
    options.addOption(omd5);
    options.addOption(oignore);
    options.addOption(oignorefile);
    options.addOption(ooutput);
    options.addOption(of);

    /*----------------------------
      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("fingerprint", 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
    ----------------------------*/
    String path = "";
    String sizetol = "";
    boolean md5 = false;
    Float sizetolFloat = null;
    String output = "";
    java.io.File ignorefile = null;
    ArrayList<String> ignore = new ArrayList<String>();

    if (!(commandline.hasOption("path"))) {
        System.err.println("setting default for -path=.");
        path = ".";
    } else {
        path = commandline.getOptionValue("path");
    }

    if (!(commandline.hasOption("sizetol"))) {
        System.err.println("setting default for -sizetol=0.02");
        sizetol = "0.02";
        sizetolFloat = 0.02F;
    } else {
        sizetol = commandline.getOptionValue("sizetol");
        sizetolFloat = Float.parseFloat(sizetol);

        if ((sizetolFloat > 1) || (sizetolFloat < 0)) {
            System.err.println("use only values >=0.0 and <1.0 for -sizetol");
            System.exit(1);
        }
    }

    if (!(commandline.hasOption("md5"))) {
        System.err.println("setting default for -md5=yes");
        md5 = true;
    } else if (commandline.getOptionValue("md5").equals("no")) {
        md5 = false;
    } else if (commandline.getOptionValue("md5").equals("yes")) {
        md5 = true;
    } else {
        System.err.println("use only values no|yes for -md5");
        System.exit(1);
    }

    if (commandline.hasOption("ignore")) {
        ignore.addAll(Arrays.asList(commandline.getOptionValues("ignore")));
    }

    if (commandline.hasOption("ignorefile")) {
        ignorefile = new java.io.File(commandline.getOptionValue("ignorefile"));
        if (!ignorefile.exists()) {
            System.err.println("warn: ignore file does not exist: " + ignorefile.getCanonicalPath());
        }
    }

    if (!(commandline.hasOption("output"))) {
        System.err.println("setting default for -output=" + path + "/fingerprint.xml");
        output = path + "/fingerprint.xml";
    } else {
        output = commandline.getOptionValue("output");
    }

    // wenn output bereits existiert -> abbruch
    java.io.File outputFile = new File(output);
    if (outputFile.exists()) {
        if (commandline.hasOption("f")) {
            outputFile.delete();
        } else {
            System.err
                    .println("error: output file (" + output + ") already exists. use -f to force overwrite.");
            System.exit(1);
        }
    }

    //      if ( !( commandline.hasOption("output")) )
    //      {
    //         System.err.println("option -output is mandatory.");
    //         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
    ----------------------------*/
    Dir dir = new Dir();
    dir.setBasepath(path);
    dir.setOutfilexml(output);

    // ignore file in ein Array lesen
    if ((ignorefile != null) && (ignorefile.exists())) {
        Scanner sc = new Scanner(ignorefile);
        while (sc.hasNextLine()) {
            ignore.add(sc.nextLine());
        }
        sc.close();
    }

    //      // autoignore hinzufuegen
    //      String autoIgnoreString = ini.get("autoignore", "autoignore");
    //      ignoreLines.addAll(Arrays.asList(autoIgnoreString.split(",")));

    //      // debug
    //      System.out.println("ignorefile content:");
    //      for(String actLine : ignore)
    //      {
    //         System.out.println("line: "+actLine);
    //      }

    try {
        dir.genFingerprint(sizetolFloat, md5, ignore);
    } catch (NullPointerException e) {
        System.err.println("file/dir does not exist " + path);
        e.printStackTrace();
        exiter();
    } catch (IOException e) {
        e.printStackTrace();
        exiter();
    }

    System.out.println("writing to file: " + dir.getOutfilexml());
    dir.writeXml();

}

---

From source file:msuresh.raftdistdb.RaftClient.java

public static void SetValue(String name, String key, String value) throws FileNotFoundException {
    if (key == null || key.isEmpty()) {
        return;/*w  ww .j  a  v a2  s.  c  o  m*/
    }
    File configFile = new File(Constants.STATE_LOCATION + name + ".info");
    if (!configFile.exists() || configFile.isDirectory()) {
        FileNotFoundException ex = new FileNotFoundException();
        throw ex;
    }
    try {
        System.out.println("Adding key .. hold on..");
        String content = new Scanner(configFile).useDelimiter("\\Z").next();
        JSONObject config = (JSONObject) (new JSONParser()).parse(content);
        Long numPart = (Long) config.get("countPartitions");
        Integer shardId = key.hashCode() % numPart.intValue();
        JSONArray memberJson = (JSONArray) config.get(shardId.toString());
        List<Address> members = new ArrayList<>();
        for (int i = 0; i < memberJson.size(); i++) {
            JSONObject obj = (JSONObject) memberJson.get(i);
            Long port = (Long) obj.get("port");
            String address = (String) obj.get("address");
            members.add(new Address(address, port.intValue()));
        }
        CopycatClient client = CopycatClient.builder(members).withTransport(new NettyTransport()).build();
        client.open().join();
        client.submit(new PutCommand(key, value)).get();
        client.close().join();
        while (client.isOpen()) {
            Thread.sleep(1000);
        }
        System.out.println("key " + key + " with value : " + value + " has been added to the cluster");
    } catch (Exception ex) {
        System.out.println(ex.toString());
    }
}

---

From source file:com.thoughtworks.go.util.OperatingSystem.java

private static String detectCompleteName() {
    String[] command = { "python", "-c", "import platform;print(platform.linux_distribution())" };
    try {//from   ww w .  j a  v  a  2 s  .  co  m
        Process process = Runtime.getRuntime().exec(command);
        Scanner scanner = new Scanner(process.getInputStream());
        String line = scanner.nextLine();
        OS_COMPLETE_NAME = cleanUpPythonOutput(line);
    } catch (Exception e) {
        try {
            OS_COMPLETE_NAME = readFromOsRelease();
        } catch (Exception ignored) {
            OS_COMPLETE_NAME = OS_FAMILY_NAME;
        }
    }
    return OS_COMPLETE_NAME;
}

---

From source file:Main.java

/**
 * Remove indexes from an xpath string./*from w  w  w  .j  a va2 s  . c  o m*/
 * @param xpath xpath string
 * @return unindexed xpath string
 */
public static String removeIndexes(String xpath) {
    final String[] partialSteps = xpath.split("[/]");
    if (partialSteps.length == 0) {
        return xpath;
    }

    int startIndex = 0;
    StringBuffer buf = new StringBuffer();

    for (int i = startIndex; i < partialSteps.length; i++) {
        String step = partialSteps[i];
        int start = step.indexOf('[');

        if (start > -1) {
            int end = step.indexOf(']');
            Scanner scanner = new Scanner(step.substring(start + 1, end));
            if (scanner.hasNextInt()) {
                // remove index and the brackets
                step = step.substring(0, start);
            }
        }
        buf.append(step);
        if (i < partialSteps.length - 1) {
            buf.append("/");
        }
    }
    return buf.toString();
}

---

From source file:game.utils.Utils.java

public static String readFile(File file) {
    String ret = null;/*w  w  w  .  ja  va2s .  co m*/
    try {
        Scanner scanner = new Scanner(file);
        ret = scanner.useDelimiter("\\Z").next();
        scanner.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    return ret;
}

---

From source file:de.ifgi.mosia.wpswfs.Util.java

public static Set<String> readConfigFilePerLine(String resourcePath) throws IOException {
    URL resURL = Util.class.getResource(resourcePath);
    URLConnection resConn = resURL.openConnection();
    resConn.setUseCaches(false);//from  w  w w .  ja  va  2 s. c o  m
    InputStream contents = resConn.getInputStream();

    Scanner sc = new Scanner(contents);
    Set<String> result = new HashSet<String>();
    String line;
    while (sc.hasNext()) {
        line = sc.nextLine();
        if (line != null && !line.isEmpty() && !line.startsWith("#")) {
            result.add(line.trim());
        }
    }
    sc.close();

    return result;
}

---

From source file:medcheck.Medcheck.java

private static String getJSONString(File jsonFile) {
    String jsonString = "";
    try {/* w ww.j av  a2s.  c  o m*/
        Scanner fileScanner = new Scanner(jsonFile);
        boolean isFirstLine = true;
        while (fileScanner.hasNextLine()) {
            String line = fileScanner.nextLine().trim();
            if (!isFirstLine) {
                jsonString += " ";
            }
            isFirstLine = false;
            jsonString += line;
        }
    } catch (Exception e) {
        System.out.println("ERROR: " + e.getMessage());
        e.printStackTrace();
        exit(1);
    }

    return jsonString;
}

---

From source file:com.richard.memorystore.tcp.TcpServer.java

/**
 * Load the Spring Integration Application Context
 *
 * @param args - command line arguments/* w w w  .  ja v a 2 s .  c  om*/
 */
public static void main() {

    final Scanner scanner = new Scanner(System.in);

    System.out.println("\n========================================================="
            + "\n                                                         "
            + "\n    Welcome to the Spring Integration                    "
            + "\n          TCP-Client-Server Sample!                      "
            + "\n                                                         "
            + "\n    For more information please visit:                   "
            + "\n    http://www.springintegration.org/                    "
            + "\n                                                         "
            + "\n=========================================================");

    final GenericXmlApplicationContext context = TcpServer.setupContext();
    final SimpleGateway gateway = context.getBean(SimpleGateway.class);
    final AbstractServerConnectionFactory crLfServer = context.getBean(AbstractServerConnectionFactory.class);

    System.out.print("Waiting for server to accept connections...");
    TestingUtilities.waitListening(crLfServer, 10000L);
    System.out.println("running.\n\n");

    System.out.println("Please enter some text and press <enter>: ");
    System.out.println("\tNote:");
    System.out.println("\t- Entering FAIL will create an exception");
    System.out.println("\t- Entering q will quit the application");
    System.out.print("\n");
    System.out.println("\t--> Please also check out the other samples, " + "that are provided as JUnit tests.");
    System.out.println("\t--> You can also connect to the server on port '" + crLfServer.getPort()
            + "' using Telnet.\n\n");

    InputProcessor lineProcessor = new InputProcessor();

    while (true) {

        final String input = scanner.nextLine();

        System.out.println("GOT THIS!!!" + input);

        KeyValueController keyValueController = new KeyValueController();

        KeyValue keyValue = lineProcessor.processLine(input);

        keyValueController.addToMemoryStore(keyValue.getKey(), keyValue.getValue());

        if ("q".equals(input.trim())) {
            break;
        } else {
            final String result = gateway.send(input);
            System.out.println(result);
        }
    }

    System.out.println("Exiting application...bye.");
    System.exit(0);

}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• »