Example usage for java.nio ByteBuffer getLong

Introduction

In this page you can find the example usage for java.nio ByteBuffer getLong.

Prototype

public abstract long getLong();

Source Link

Document

Returns the long at the current position and increases the position by 8.

Usage

From source file:com.hengyi.japp.tools.UuidUtils.java

public static String decodeBase58Uuid(String base58uuid) {
    byte[] byUuid = Base58.decode(base58uuid);
    ByteBuffer bb = ByteBuffer.wrap(byUuid);
    UUID uuid = new UUID(bb.getLong(), bb.getLong());
    return uuid.toString();
}

From source file:Main.java

/**
 * Converts an array of 8 bytes into a long.
 *
 * @param bytes The bytes.//from w ww. java  2  s  .c  o m
 * @return The long.
 */
public static long bytesToLong(final byte[] bytes) {
    final ByteBuffer buffer = ByteBuffer.allocate(8);
    buffer.put(bytes, 0, 8);
    buffer.flip();
    return buffer.getLong();
}

From source file:Main.java

public static long ReadlittleEndianLong(InputStream dis) throws IOException {
    byte[] bytes = new byte[8];
    int re = dis.read(bytes);
    if (re == -1) {
        return -1;
    }//from  ww  w .j a  v a2 s.  c  o m
    ByteBuffer bytebuffer = ByteBuffer.wrap(bytes);
    bytebuffer.order(ByteOrder.LITTLE_ENDIAN);
    long result = bytebuffer.getLong();
    return result;
}

From source file:Main.java

public static long Uint64FromBuffer(byte[] buffer, int offset) {
    ByteBuffer bb = ByteBuffer.wrap(buffer, offset, 8);
    bb.order(ByteOrder.BIG_ENDIAN);
    long result = bb.getLong();
    return result;
}

From source file:com.srotya.tau.nucleus.Utils.java

public static long byteToLong(byte[] x) {
    ByteBuffer buffer = ByteBuffer.wrap(x);
    return buffer.getLong();
}

From source file:Main.java

static long md5sum(String text) {

    byte[] defaultBytes = text.getBytes();

    try {//from ww w  .jav  a2s  .  c om

        MessageDigest algorithm = MessageDigest.getInstance("MD5");

        algorithm.reset();

        algorithm.update(defaultBytes);

        byte digest[] = algorithm.digest();

        ByteBuffer buffer = ByteBuffer.wrap(digest);

        return buffer.getLong();

    } catch (NoSuchAlgorithmException e) {

        Log.e("udt", "md5 failed: " + e);

        return 0;

    }

}

From source file:Main.java

public static long bytesToLong(byte[] bytes) {
    long l = 0;/* w  w  w. java2s . c  o  m*/
    try {
        ByteBuffer buffer = ByteBuffer.allocate(8);
        buffer.put(bytes, 0, bytes.length);
        buffer.flip();//need flip
        l = buffer.getLong();
    } catch (Exception e) {

    }
    return l;
}

From source file:com.nestedbird.util.UUIDConverter.java

/**
 * Converts a Base64 encoded string to a string represented UUID
 *
 * @param base64String Base64 Representation of the UUID
 * @return String represented UUID/*from  ww w  .j av a2s . c om*/
 * @throws NullPointerException     String must not be null
 * @throws IllegalArgumentException String should be 22 characters long
 */
public static String fromBase64(final String base64String) {
    if (base64String == null)
        throw new NullPointerException("String cannot be null");
    if (base64String.length() != 22)
        throw new IllegalArgumentException("String should be 22 characters long");

    final byte[] bytes = Base64.decodeBase64(base64String);
    final ByteBuffer bb = ByteBuffer.wrap(bytes);
    final UUID uuid = new UUID(bb.getLong(), bb.getLong());
    return uuid.toString();
}

From source file:com.inmobi.messaging.util.AuditUtil.java

private static boolean isValidTimestamp(ByteBuffer buffer) {
    long timestamp = buffer.getLong();
    if (timestamp < BASE_TIME) {
        LOG.debug("Invalid TimeStamp in headers [" + timestamp + "]");
        return false;
    }//from   ww  w  . j  a  v  a2s .c  om
    return true;
}

From source file:Main.java

public static long bytesToLong(byte[] bytes) {
    ByteBuffer buffer = ByteBuffer.allocate(8);
    reverseArray(bytes);/*  w  ww .  j a v  a2s .c  om*/
    buffer.put(bytes, 0, bytes.length);
    buffer.flip();// need flip
    return buffer.getLong();
}