Example usage for java.util Scanner Scanner

List of usage examples for java.util Scanner Scanner

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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:formatMessage.VerifyInputScanner.java

public static BigDecimal verifyBigDecimal() {

    while (true) {
        Scanner input = new Scanner(System.in);
        try {//from w ww.  j a  v  a  2  s.  c  om
            BigDecimal verified = input.nextBigDecimal();

            return verified;
        } catch (InputMismatchException e) {
            System.out.println("Geen geldig nummer. Probeer opnieuw.");

        }
    }
}

From source file:example.UserInitializer.java

private static List<User> readUsers(Resource resource) throws Exception {

    Scanner scanner = new Scanner(resource.getInputStream());
    String line = scanner.nextLine();
    scanner.close();//  www  .j  a v  a 2  s .c  o m

    FlatFileItemReader<User> reader = new FlatFileItemReader<User>();
    reader.setResource(resource);

    DelimitedLineTokenizer tokenizer = new DelimitedLineTokenizer();
    tokenizer.setNames(line.split(","));
    tokenizer.setStrict(false);

    DefaultLineMapper<User> lineMapper = new DefaultLineMapper<User>();
    lineMapper.setFieldSetMapper(fields -> {

        User user = new User();

        user.setEmail(fields.readString("email"));
        user.setFirstname(capitalize(fields.readString("first")));
        user.setLastname(capitalize(fields.readString("last")));
        user.setNationality(fields.readString("nationality"));

        String city = Arrays.stream(fields.readString("city").split(" "))//
                .map(StringUtils::capitalize)//
                .collect(Collectors.joining(" "));
        String street = Arrays.stream(fields.readString("street").split(" "))//
                .map(StringUtils::capitalize)//
                .collect(Collectors.joining(" "));

        try {
            user.setAddress(new Address(city, street, fields.readString("zip")));
        } catch (IllegalArgumentException e) {
            user.setAddress(new Address(city, street, fields.readString("postcode")));
        }

        user.setPicture(new Picture(fields.readString("large"), fields.readString("medium"),
                fields.readString("thumbnail")));
        user.setUsername(fields.readString("username"));
        user.setPassword(fields.readString("password"));

        return user;
    });

    lineMapper.setLineTokenizer(tokenizer);

    reader.setLineMapper(lineMapper);
    reader.setRecordSeparatorPolicy(new DefaultRecordSeparatorPolicy());
    reader.setLinesToSkip(1);
    reader.open(new ExecutionContext());

    List<User> users = new ArrayList<>();
    User user = null;

    do {

        user = reader.read();

        if (user != null) {
            users.add(user);
        }

    } while (user != null);

    return users;
}

From source file:csns.importer.parser.csula.StudentsParserImpl.java

/**
 * This parser handles data copy&pasted from an Excel file produced from GET
 * data. The format is expected to be <quarter cin first_name last_name ...>
 * where quarter is a 4-digit code. Currently we only process the first four
 * fields./* w  w  w.j a  v  a2 s  .  c o  m*/
 */
@Override
public List<ImportedUser> parse(String text) {
    List<ImportedUser> students = new ArrayList<ImportedUser>();

    Scanner scanner = new Scanner(text);
    while (scanner.hasNextLine()) {
        ImportedUser student = parseLine(scanner.nextLine());
        if (student != null)
            students.add(student);
    }
    scanner.close();

    return students;
}

From source file:com.sasav.blackjack.controller.BasicController.java

@RequestMapping(value = "/init", method = RequestMethod.GET)
public String initPage() {
    List users = commonDao.getAll(LoginDetails.class);
    if (users.isEmpty()) {
        File file = new File(getClass().getClassLoader().getResource("sql/insert-data.sql").getFile());
        StringBuilder query = new StringBuilder("");
        try (Scanner scanner = new Scanner(file)) {

            while (scanner.hasNextLine()) {
                String line = scanner.nextLine() + "\n";
                query.append(line);/*from w  w w.  j ava  2s . c o m*/
            }

            scanner.close();

        } catch (IOException e) {
            e.printStackTrace();
        }
        commonDao.runQuery(query.toString());
    }
    return "login";
}

From source file:com.lithium.flow.filer.hash.ClientHashFiler.java

@Override
@Nonnull/*  w ww  .j a va2  s.  c  om*/
public String getHash(@Nonnull String path, @Nonnull String hash, @Nonnull String base) throws IOException {
    return client.call("hash " + path, input -> {
        Scanner scanner = new Scanner(input);
        scanner.next(); // size
        String value = scanner.next();
        scanner.next(); // status
        return BaseEncodings.of(base).encode(encoding.decode(value));
    });
}

From source file:com.ExtendedAlpha.SWI.SeparatorLib.Separator.java

public static String getStringFromStream(InputStream stream) {
    Scanner x = new Scanner(stream);
    String str = "";
    while (x.hasNextLine()) {
        str += x.nextLine() + "\n";
    }//from   w w w. java2s. c  o  m
    x.close();
    return str.trim();
}

From source file:com.google.mr4c.util.CustomFormat.java

private static List<String> extractNames(String pattern) {
    List<String> names = new ArrayList<String>();
    Scanner scanner = new Scanner(pattern);
    while (scanner.findWithinHorizon(VAR_REGEX, 0) != null) {
        MatchResult result = scanner.match();
        String val = result.group(1);
        names.add(val);
    }/*from  www.j ava 2  s .c  o  m*/
    return names;
}

From source file:net.dv8tion.jda.player.Playlist.java

public static Playlist getPlaylist(String url) {
    List<String> infoArgs = new LinkedList<>();
    infoArgs.addAll(YOUTUBE_DL_PLAYLIST_ARGS);
    infoArgs.add("--"); //Url separator. Deals with YT ids that start with --
    infoArgs.add(url);//from w  w w . ja v  a2s. c  o  m

    //Fire up Youtube-dl and get all sources from the provided url.
    List<AudioSource> sources = new ArrayList<>();
    Scanner scan = null;
    try {
        Process infoProcess = new ProcessBuilder().command(infoArgs).start();
        byte[] infoData = IOUtils.readFully(infoProcess.getInputStream(), -1, false);
        if (infoData == null || infoData.length == 0)
            throw new NullPointerException(
                    "The YT-DL playlist process resulted in a null or zero-length INFO!");

        String sInfo = new String(infoData);
        scan = new Scanner(sInfo);

        JSONObject source = new JSONObject(scan.nextLine());
        if (source.has("_type"))//Is a playlist
        {
            sources.add(new RemoteSource(source.getString("url")));
            while (scan.hasNextLine()) {
                source = new JSONObject(scan.nextLine());
                sources.add(new RemoteSource(source.getString("url")));
            }
        } else //Single source link
        {
            sources.add(new RemoteSource(source.getString("webpage_url")));
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (scan != null)
            scan.close();
    }

    //Now that we have all the sources we can create our Playlist object.
    Playlist playlist = new Playlist("New Playlist");
    playlist.sources = sources;
    return playlist;
}

From source file:com.wavemaker.spinup.web.VersionProvider.java

public String getVersion(ServletContext servletContext) throws IOException {
    String uploadDirName = servletContext.getRealPath(SpinupConstants.STUDIOD_UPLOAD_DIR);
    if (studioVersion != null) {
        return this.studioVersion;
    }//from  w  ww .  j a  v  a 2  s  .c  o  m
    ZipArchive studioZip = new ZipArchive(new LocalFolder(uploadDirName).getFile(SpinupConstants.STUDIO_FILE));
    InputStream configjs = studioZip.getFile("app/config.js").getContent().asInputStream();
    Scanner s = new Scanner(configjs);
    while (s.hasNext()) {
        String ln = s.nextLine();
        if (ln.contains("studioVersion:")) {
            this.studioVersion = ln.substring(ln.indexOf(":") + 1).replace(",", "").replace("'", "").trim();
            break;
        }
    }
    if (log.isInfoEnabled()) {
        log.info("*** Studio version is: " + this.studioVersion + "***");
    }
    configjs.close();
    return this.studioVersion;

}

From source file:com.liferay.blade.cli.util.Prompter.java

private static Optional<Boolean> _getBooleanAnswer(String questionWithPrompt, InputStream inputStream,
        PrintStream printStream, Optional<Boolean> defaultAnswer) {

    Optional<Boolean> answer = null;

    try (CloseShieldInputStream closeShieldInputStream = new CloseShieldInputStream(inputStream);
            Scanner scanner = new Scanner(closeShieldInputStream)) {

        while ((answer == null) || !answer.isPresent()) {
            printStream.println(questionWithPrompt);

            String readLine = null;

            while (((answer == null) || !answer.isPresent()) && !Objects.equals(answer, defaultAnswer)
                    && scanner.hasNextLine()) {

                readLine = scanner.nextLine();

                if (readLine != null) {
                    readLine = readLine.toLowerCase();

                    switch (readLine.trim()) {
                    case "y":
                    case "yes":
                        answer = Optional.of(true);

                        break;
                    case "n":
                    case "no":
                        answer = Optional.of(false);

                        break;
                    default:
                        if (defaultAnswer.isPresent()) {
                            answer = defaultAnswer;
                        } else {
                            printStream.println("Unrecognized input: " + readLine);

                            continue;
                        }/* w  ww. j a va2 s.co m*/

                        break;
                    }
                } else {
                    answer = defaultAnswer;
                }
            }
        }
    } catch (IllegalStateException ise) {
        throw new RuntimeException(ise);
    } catch (Exception exception) {
        if (defaultAnswer.isPresent()) {
            answer = defaultAnswer;
        }
    }

    return answer;
}