Package com.smartgridready.communicator.modbus.helper

Class ConversionHelper

  • public class ConversionHelper
extends java.lang.Object
    A helper class for value conversion.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static boolean[] byteArrToBooleanArr​(byte[] bytes)
      Converts a byte array to a boolean array.
      static java.nio.ByteBuffer byteBufFromRegisters​(int[] intArr)
      Converts Modbus registers to a byte buffer.
      static int[] bytesToRegisters​(byte[] bytes)
      Converts a byte array to Modbus registers.
      static java.lang.String convRegistersToString​(int[] registers, int offset, int stringLength)
      Converts 16 - Bit Register values to String
      static int[] convStringToRegisters​(java.lang.String stringToConvert)
      Converts a String to 16 - Bit Registers
      static int[] doubleToRegisters​(double dVal)
      Converts a double value to four Modbus registers.
      static int[] floatToRegisters​(float fVal)
      Converts a float value to two Modbus registers.
      static int[] intToRegisters​(int value)
      Converts an int value to two Modbus registers.
      static int[] longToRegisters​(long lVal)
      Converts a long value to four Modbus registers.
      static int[] shortToRegister​(short value)
      Converts a short value to a Modbus register.
      static byte[] toByteArray​(int value)
      Converts an int to a byte array.
      static int[] uintToRegisters​(long value)
      Converts an unsigned int value to two Modbus registers.
      static int[] unsignedLongToRegister​(java.math.BigInteger value)
      Converts an unsigned long value to four Modbus registers.

      • Methods inherited from class java.lang.Object

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

    • Method Detail

      • bytesToRegisters

        public static int[] bytesToRegisters​(byte[] bytes)
        Converts a byte array to Modbus registers. Each two bytes become a register value.
        Parameters:
        bytes - the byte array to convert.
        Returns:
        an array of int

      • byteBufFromRegisters

        public static java.nio.ByteBuffer byteBufFromRegisters​(int[] intArr)
        Converts Modbus registers to a byte buffer.
        Parameters:
        intArr - the Modbus register values
        Returns:
        an instance of ByteBuffer

      • floatToRegisters

        public static int[] floatToRegisters​(float fVal)
        Converts a float value to two Modbus registers.
        Parameters:
        fVal - the value to convert
        Returns:
        an array of int

      • doubleToRegisters

        public static int[] doubleToRegisters​(double dVal)
        Converts a double value to four Modbus registers.
        Parameters:
        dVal - the value to convert
        Returns:
        an array of int

      • longToRegisters

        public static int[] longToRegisters​(long lVal)
        Converts a long value to four Modbus registers.
        Parameters:
        lVal - the value to convert
        Returns:
        an array of int

      • unsignedLongToRegister

        public static int[] unsignedLongToRegister​(java.math.BigInteger value)
        Converts an unsigned long value to four Modbus registers.
        Parameters:
        value - the value to convert
        Returns:
        an array of int

      • intToRegisters

        public static int[] intToRegisters​(int value)
        Converts an int value to two Modbus registers.
        Parameters:
        value - the value to convert
        Returns:
        an array of int

      • uintToRegisters

        public static int[] uintToRegisters​(long value)
        Converts an unsigned int value to two Modbus registers.
        Parameters:
        value - the value to convert
        Returns:
        an array of int

      • shortToRegister

        public static int[] shortToRegister​(short value)
        Converts a short value to a Modbus register.
        Parameters:
        value - the value to convert
        Returns:
        an array of int

      • convRegistersToString

        public static java.lang.String convRegistersToString​(int[] registers,
                                                     int offset,
                                                     int stringLength)
        Converts 16 - Bit Register values to String
        Parameters:
        registers - Register array received via Modbus
        offset - First Register containing the String to convert
        stringLength - number of characters in String (must be even)
        Returns:
        Converted String

      • convStringToRegisters

        public static int[] convStringToRegisters​(java.lang.String stringToConvert)
        Converts a String to 16 - Bit Registers
        Parameters:
        stringToConvert - String to Convert
        Returns:
        Converted String

      • toByteArray

        public static byte[] toByteArray​(int value)
        Converts an int to a byte array.
        Parameters:
        value - the value to convert
        Returns:
        a byte array

      • byteArrToBooleanArr

        public static boolean[] byteArrToBooleanArr​(byte[] bytes)
        Converts a byte array to a boolean array. Each element is true if the byte value is not zero.
        Parameters:
        bytes - the byte array to convert
        Returns:
        an array of boolean