Package org.opendaylight.openflowplugin.openflow.md.util

Class ByteUtil

java.lang.Object
org.opendaylight.openflowplugin.openflow.md.util.ByteUtil
public final class ByteUtil extends Object

  • Method Summary

    Modifier and Type
    Method
    Description
    static String
    bytesToHexstring(byte[] bytes, String delimiter)
    Converts bytes to a hex string.
    static org.opendaylight.yangtools.yang.common.Uint32
    bytesToUnsignedInt(byte[] bytes)
    Converts a 4 byte array of unsigned bytes to unsigned int.
    static long
    bytesToUnsignedMedium(byte[] bytes)
    Converts a 3 byte array of unsigned bytes to unsigned int.
    static int
    bytesToUnsignedShort(byte[] bytes)
    Converts a 2 byte array of unsigned bytes to unsigned short.
    static byte @Nullable []
    convertBigIntegerToNBytes(@Nullable BigInteger bigInteger, int numBytes)
    Utility method to convert BigInteger to n element byte array.
    static byte @Nullable []
    uint64toBytes(@Nullable org.opendaylight.yangtools.yang.common.Uint64 uint)
    Utility method to convert an Uint64 to an 8-byte array.
    static byte[]
    unsignedIntToBytes(Long unsignedInt)
    Converts unsigned integer to a 4 byte array of unsigned bytes.
    static byte[]
    unsignedIntToBytes(org.opendaylight.yangtools.yang.common.Uint32 unsignedInt)
    Converts unsigned integer to a 4 byte array of unsigned bytes.
    static byte[]
    unsignedMediumToBytes(Long unsignedInt)
    Converts unsigned integer to a 3 byte array of unsigned bytes.
    static byte[]
    unsignedMediumToBytes(org.opendaylight.yangtools.yang.common.Uint32 unsignedInt)
    Converts unsigned integer to a 3 byte array of unsigned bytes.
    static byte[]
    unsignedShortToBytes(Integer unsignedShort)
    Converts unsigned short to a 2 byte array of unsigned bytes.
    static byte[]
    unsignedShortToBytes(org.opendaylight.yangtools.yang.common.Uint16 unsignedShort)
    Converts unsigned short to a 2 byte array of unsigned bytes.

    Methods inherited from class java.lang.Object

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

  • Method Details

    • bytesToHexstring

      public static String bytesToHexstring(byte[] bytes, String delimiter)
      Converts bytes to a hex string.
      Parameters:
      bytes - bytes that needs to be converted to hex
      delimiter - string delimiter
      Returns:
      hexString containing bytes, separated with delimiter

    • convertBigIntegerToNBytes

      public static byte @Nullable [] convertBigIntegerToNBytes(@Nullable BigInteger bigInteger, int numBytes)
      Utility method to convert BigInteger to n element byte array.
      Parameters:
      bigInteger - big integer value that needs to be converted to byte
      numBytes - convert to number of bytes
      Returns:
      byte array containing n * 8 bits.

    • uint64toBytes

      public static byte @Nullable [] uint64toBytes(@Nullable org.opendaylight.yangtools.yang.common.Uint64 uint)
      Utility method to convert an Uint64 to an 8-byte array.
      Parameters:
      uint - Unsigned long, potentially null.
      Returns:
      byte array, or null if input was null.

    • bytesToUnsignedInt

      public static org.opendaylight.yangtools.yang.common.Uint32 bytesToUnsignedInt(byte[] bytes)
      Converts a 4 byte array of unsigned bytes to unsigned int.
      Parameters:
      bytes - an array of 4 unsigned bytes
      Returns:
      a long representing the unsigned int

    • bytesToUnsignedMedium

      public static long bytesToUnsignedMedium(byte[] bytes)
      Converts a 3 byte array of unsigned bytes to unsigned int.
      Parameters:
      bytes - an array of 4 unsigned bytes
      Returns:
      a long representing the unsigned int

    • bytesToUnsignedShort

      public static int bytesToUnsignedShort(byte[] bytes)
      Converts a 2 byte array of unsigned bytes to unsigned short.
      Parameters:
      bytes - an array of 2 unsigned bytes
      Returns:
      an int representing the unsigned short

    • unsignedIntToBytes

      public static byte[] unsignedIntToBytes(Long unsignedInt)
      Converts unsigned integer to a 4 byte array of unsigned bytes.
      Parameters:
      unsignedInt - representing the unsigned integer
      Returns:
      bytes an array of 4 unsigned bytes

    • unsignedIntToBytes

      public static byte[] unsignedIntToBytes(org.opendaylight.yangtools.yang.common.Uint32 unsignedInt)
      Converts unsigned integer to a 4 byte array of unsigned bytes.
      Parameters:
      unsignedInt - representing the unsigned integer
      Returns:
      bytes an array of 4 unsigned bytes

    • unsignedMediumToBytes

      public static byte[] unsignedMediumToBytes(Long unsignedInt)
      Converts unsigned integer to a 3 byte array of unsigned bytes.
      Parameters:
      unsignedInt - representing the unsigned integer
      Returns:
      bytes an array of 3 unsigned bytes

    • unsignedMediumToBytes

      public static byte[] unsignedMediumToBytes(org.opendaylight.yangtools.yang.common.Uint32 unsignedInt)
      Converts unsigned integer to a 3 byte array of unsigned bytes.
      Parameters:
      unsignedInt - representing the unsigned integer
      Returns:
      bytes an array of 3 unsigned bytes

    • unsignedShortToBytes

      public static byte[] unsignedShortToBytes(Integer unsignedShort)
      Converts unsigned short to a 2 byte array of unsigned bytes.
      Parameters:
      unsignedShort - representing the unsigned short
      Returns:
      bytes an array of 2 unsigned bytes

    • unsignedShortToBytes

      public static byte[] unsignedShortToBytes(org.opendaylight.yangtools.yang.common.Uint16 unsignedShort)
      Converts unsigned short to a 2 byte array of unsigned bytes.
      Parameters:
      unsignedShort - representing the unsigned short
      Returns:
      bytes an array of 2 unsigned bytes