Package org.activecomponents.udp

Class SUdpUtil

  • public class SUdpUtil
extends java.lang.Object
    Utility functions and variables

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.security.SecureRandom RANDOM
      Random number source.

    • Constructor Summary

      Constructors 
      Constructor Description
      SUdpUtil()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.security.SecureRandom getSecRandom()
      Gets the secure PRNG.
      static int intFromByteArray​(byte[] buffer, int offset)
      Reads an integer value from a byte array buffer in network byte order.
      static void intIntoByteArray​(byte[] buffer, int offset, int val)
      Writes an integer value into a byte array buffer in network byte order.
      static long longFromByteArray​(byte[] buffer, int offset)
      Reads a long value from a byte array buffer in network byte order.
      static void longIntoByteArray​(byte[] buffer, int offset, long val)
      Writes a long value into a byte array buffer in network byte order.
      static short shortFromByteArray​(byte[] buffer, int offset)
      Reads a short value from a byte array buffer in network byte order.
      static void shortIntoByteArray​(byte[] buffer, int offset, short val)
      Writes a short value into a byte array buffer in network byte order.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • RANDOM

        public static volatile java.security.SecureRandom RANDOM
        Random number source.

    • Constructor Detail

      • SUdpUtil

        public SUdpUtil()

    • Method Detail

      • shortIntoByteArray

        public static final void shortIntoByteArray​(byte[] buffer,
                                            int offset,
                                            short val)
        Writes a short value into a byte array buffer in network byte order.
        Parameters:
        buffer - The buffer.
        offset - The offset.
        val - The value.

      • shortFromByteArray

        public static final short shortFromByteArray​(byte[] buffer,
                                             int offset)
        Reads a short value from a byte array buffer in network byte order.
        Parameters:
        buffer - The buffer.
        offset - The offset.
        Returns:
        The value.

      • intIntoByteArray

        public static final void intIntoByteArray​(byte[] buffer,
                                          int offset,
                                          int val)
        Writes an integer value into a byte array buffer in network byte order.
        Parameters:
        buffer - The buffer.
        offset - The offset.
        val - The value.

      • intFromByteArray

        public static final int intFromByteArray​(byte[] buffer,
                                         int offset)
        Reads an integer value from a byte array buffer in network byte order.
        Parameters:
        buffer - The buffer.
        offset - The offset.
        Returns:
        The value.

      • longIntoByteArray

        public static final void longIntoByteArray​(byte[] buffer,
                                           int offset,
                                           long val)
        Writes a long value into a byte array buffer in network byte order.
        Parameters:
        buffer - The buffer.
        offset - The offset.
        val - The value.

      • longFromByteArray

        public static final long longFromByteArray​(byte[] buffer,
                                           int offset)
        Reads a long value from a byte array buffer in network byte order.
        Parameters:
        buffer - The buffer.
        offset - The offset.
        Returns:
        The value.

      • getSecRandom

        public static final java.security.SecureRandom getSecRandom()
        Gets the secure PRNG.
        Returns:
        Secure PRNG.