Example usage for java.nio CharBuffer wrap

Introduction

In this page you can find the example usage for java.nio CharBuffer wrap.

Prototype

public static CharBuffer wrap(CharSequence chseq) 

Source Link

Document

Creates a new char buffer by wrapping the given char sequence.

Usage

From source file:com.github.kubakaszycki.jkhttpd.api.FileURLHandler.java

@Override
public void handle(String res, HttpRequest req, HttpResponse resp)
        throws IOException, IllegalArgumentException {
    File relativeFile = new File(baseDir, res);
    if (!relativeFile.exists()) {
        resp.setCode(404);//from   w ww  .  j a va 2  s  .c  om
        resp.setCodeString();
        return;
    }
    if (relativeFile.isDirectory()) {
        resp.setContents(CharBuffer.wrap(DirectoryListing.doDirectoryListing(relativeFile, res)));
    } else {
        resp.setContents(
                Charset.defaultCharset().decode(ByteBuffer.wrap(FileUtils.readFileToByteArray(relativeFile))));
    }
    resp.setCode(200);
    resp.setCodeString();
}

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From source file:com.silverpeas.ical.StringUtils.java

static byte[] encodeArray(char[] chars, Charset encoding) throws CharacterCodingException {
    if (CharEncoding.US_ASCII.equals(encoding.name())) {
        byte[] array = new byte[chars.length];
        for (int i = 0; i < array.length; i++) {
            array[i] = (byte) chars[i];
        }//from w  w w. j av  a  2  s . co m
        return array;
    }
    ByteBuffer buffer = encoding.newEncoder().encode(CharBuffer.wrap(chars));
    byte[] array = new byte[buffer.limit()];
    System.arraycopy(buffer.array(), 0, array, 0, array.length);
    return array;
}

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From source file:Com.Operaciones.java

public static InputStream generateBarras(String text, int h, int w) throws Exception {

    Charset charset = Charset.forName("ISO-8859-1");
    CharsetEncoder encoder = charset.newEncoder();
    byte[] b = null;
    ByteBuffer bbuf = encoder.encode(CharBuffer.wrap(text));
    b = bbuf.array();//from ww w  . j a v  a  2  s.  c om
    String data = new String(b, "ISO-8859-1");
    // get a byte matrix for the data

    BitMatrix matrix = null;

    matrix = new Code128Writer().encode(data, BarcodeFormat.CODE_128, w, h, null);

    int height = matrix.getHeight();
    int width = matrix.getWidth();
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    for (int x = 0; x < width; x++) {
        for (int y = 0; y < height; y++) {
            image.setRGB(x, y, matrix.get(x, y) ? BLACK : WHITE);
        }
    }

    byte[] imgByte = ChartUtilities.encodeAsPNG(image);

    InputStream myInputStream = new ByteArrayInputStream(imgByte);

    return myInputStream;

}

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From source file:com.googlecode.jcimd.TextMessageUserDataFactory.java

private static byte[] encodeAs(Charset charset, String textMessage) {
    CharsetEncoder encoder = charset.newEncoder();
    ByteBuffer byteBuffer = ByteBuffer
            .allocate(textMessage.length() * (int) Math.ceil(encoder.maxBytesPerChar()));
    encoder.encode(CharBuffer.wrap(textMessage), byteBuffer, true);
    byte[] bytes = new byte[byteBuffer.position()];
    byteBuffer.flip();// ww  w.  j a va  2 s. c o  m
    byteBuffer.get(bytes);
    return bytes;
}

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From source file:io.alicorn.server.http.LoginEndpoint.java

public static String hash(char[] chars) {
    //Parse chars into bytes for hashing.
    CharBuffer charBuffer = CharBuffer.wrap(chars);
    ByteBuffer byteBuffer = charset.encode(charBuffer);
    byte[] bytes = Arrays.copyOfRange(byteBuffer.array(), byteBuffer.position(), byteBuffer.limit());

    //Clear temporary arrays of any data.
    Arrays.fill(charBuffer.array(), '\u0000');
    Arrays.fill(byteBuffer.array(), (byte) 0);

    //Generate the SHA-256 hash.
    String hash = hash(bytes);//  www  . j a v a  2 s  .  c  o  m

    //Clear remaining arrays of any data.
    Arrays.fill(bytes, (byte) 0);

    return hash;
}

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From source file:org.opencb.hpg.bigdata.core.utils.VariantContextBlockIteratorTest.java

/**
 * @throws java.lang.Exception//from   ww w.  ja  va 2s.c  o m
 */
@Before
public void setUp() throws Exception {
    rows = new LinkedList<CharBuffer>();
    String inFile = "/" + this.getClass().getName().replaceAll("\\.", "/") + ".vcf";
    FullVcfCodec codec = new FullVcfCodec();
    try (InputStream in = getStream(inFile)) {
        LineIterator iter = codec.makeSourceFromStream(in);
        this.header = (VCFHeader) codec.readActualHeader(iter);
        this.version = codec.getVCFHeaderVersion();

    }
    try (InputStream in = getStream(inFile)) {
        List<String> lines = IOUtils.readLines(in);
        for (String l : lines) {
            if (!l.startsWith("#")) {
                rows.add(CharBuffer.wrap(l));
            }
        }
    }
    //      rows.add(CharBuffer.wrap("20   60479   rs149529999   C   T    100   PASS   ERATE=0.0005;RSQ=0.8951;LDAF=0.0021;   GT:DS:GL   0|0:0.000:-0.19,-0.46,-2.68   0|0:0.000:-0.01,-1.85,-5.00"));
}

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From source file:org.itstechupnorth.walrus.text.wiki.micro.MicroWikiPullParser.java

public MicroWikiPullParser(String string) {
    this(CharBuffer.wrap(string).asReadOnlyBuffer());
}

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From source file:pl.psnc.synat.wrdz.zu.authentication.AuthenticationHelper.java

/**
 * Hashes the user's password with the salt.
 * //w  w  w.  j  a  va  2s .c  o m
 * @param password
 *            user's password.
 * @param salt
 *            salt for a user
 * @return hashed user's password.
 * @throws CharacterCodingException
 *             when a character encoding error occurs
 */
public char[] hashPassword(char[] password, byte[] salt) throws CharacterCodingException {
    byte[] bytes = ArrayUtils.addAll(
            Charset.forName(configuration.getPasswordCharset()).encode(CharBuffer.wrap(password)).array(),
            salt);
    try {
        MessageDigest messageDigest = MessageDigest.getInstance(configuration.getPasswordDigestAlgorithm());
        messageDigest.reset();
        bytes = messageDigest.digest(bytes);
    } catch (NoSuchAlgorithmException e) {
        throw new WrdzRuntimeException(
                "Unsupported digest algorithm " + configuration.getPasswordDigestAlgorithm());
    }
    if (HEX.equalsIgnoreCase(configuration.getPasswordEncoding())) {
        return hexEncode(bytes);
    } else if (BASE64.equalsIgnoreCase(configuration.getPasswordEncoding())) {
        return base64Encode(bytes);
    } else { // no encoding specified
        return Charset.forName(configuration.getPasswordCharset()).decode(ByteBuffer.wrap(bytes)).array();
    }
}

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From source file:org.sonar.api.batch.fs.internal.charhandler.FileHashComputer.java

private void processBuffer() {
    try {/*ww w.  j  a  v  a2 s .  c o m*/
        if (sb.length() > 0) {
            ByteBuffer encoded = encoder.encode(CharBuffer.wrap(sb));
            globalMd5Digest.update(encoded.array(), 0, encoded.limit());
        }
    } catch (CharacterCodingException e) {
        throw new IllegalStateException("Error encoding line hash in file: " + filePath, e);
    }
}

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From source file:com.acciente.oacc.sql.internal.StrongCleanablePasswordEncryptor.java

private byte[] getCleanedBytes(char[] password) {
    final ByteBuffer byteBuffer = StandardCharsets.UTF_8
            .encode(CharBuffer.wrap(Normalizer.normalizeToNfc(password)));
    final byte[] byteArray = new byte[byteBuffer.remaining()];
    byteBuffer.get(byteArray);//from   www  . j  av a2 s .c  o  m
    Arrays.fill(byteBuffer.array(), (byte) 0);
    return byteArray;
}

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