Package org.eclipse.net4j.util

Class HexUtil

  • public final class HexUtil
extends java.lang.Object
    Provides static methods that convert to and from hexadecimal string formats.
    Author:
    Eike Stepper

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static char[] DIGITS  

    • Method Summary

      All Methods Static Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      static void appendHex​(java.lang.StringBuilder builder, int b)
      Deprecated.
      static java.lang.String bytesToHex​(byte[] bs)  
      static java.lang.String bytesToHex​(byte[] bs, int off, int length)
      Converts a byte array into a string of lower case hex chars.
      static void bytesToHex​(java.io.InputStream bs, java.io.Writer writer)  
      static void bytesToHexAppend​(byte[] bs, int off, int length, java.lang.Appendable appendable)  
      static java.lang.String formatByte​(int b)
      Deprecated.
      static java.lang.String formatBytes​(byte[] bytes)
      Deprecated.
      static void hexToBytes​(java.io.Reader s, java.io.OutputStream outputStream)  
      static byte[] hexToBytes​(java.lang.String s)  
      static void hexToBytes​(java.lang.String s, byte[] out, int off)
      Converts a String of hex characters into an array of bytes.
      static byte[] hexToBytes​(java.lang.String s, int off)  
      static java.lang.String identityHashCode​(java.lang.Object object)  
      static java.lang.String intToHex​(int v)  
      static java.lang.String longToHex​(long v)  

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • DIGITS

        public static final char[] DIGITS

    • Method Detail

      • bytesToHex

        public static java.lang.String bytesToHex​(byte[] bs,
                                          int off,
                                          int length)
        Converts a byte array into a string of lower case hex chars.
        Parameters:
        bs - A byte array
        off - The index of the first byte to read
        length - The number of bytes to read.
        Returns:
        the string of hex chars.

      • bytesToHexAppend

        public static void bytesToHexAppend​(byte[] bs,
                                    int off,
                                    int length,
                                    java.lang.Appendable appendable)

      • bytesToHex

        public static void bytesToHex​(java.io.InputStream bs,
                              java.io.Writer writer)
        Since:
        3.7

      • bytesToHex

        public static java.lang.String bytesToHex​(byte[] bs)

      • hexToBytes

        public static byte[] hexToBytes​(java.lang.String s)

      • hexToBytes

        public static byte[] hexToBytes​(java.lang.String s,
                                int off)

      • hexToBytes

        public static void hexToBytes​(java.lang.String s,
                              byte[] out,
                              int off)
                       throws java.lang.NumberFormatException,
                              java.lang.IndexOutOfBoundsException
        Converts a String of hex characters into an array of bytes.
        Parameters:
        s - A string of hex characters (upper case or lower) of even length.
        out - A byte array of length at least s.length()/2 + off
        off - The first byte to write of the array
        Throws:
        java.lang.NumberFormatException
        java.lang.IndexOutOfBoundsException

      • hexToBytes

        public static void hexToBytes​(java.io.Reader s,
                              java.io.OutputStream outputStream)
                       throws java.lang.NumberFormatException
        Throws:
        java.lang.NumberFormatException
        Since:
        3.7

      • longToHex

        public static java.lang.String longToHex​(long v)

      • intToHex

        public static java.lang.String intToHex​(int v)
        Since:
        3.13

      • identityHashCode

        public static java.lang.String identityHashCode​(java.lang.Object object)
        Since:
        3.13

      • formatByte

        @Deprecated
public static java.lang.String formatByte​(int b)
        Deprecated.

      • formatBytes

        @Deprecated
public static java.lang.String formatBytes​(byte[] bytes)
        Deprecated.

      • appendHex

        @Deprecated
public static void appendHex​(java.lang.StringBuilder builder,
                             int b)
        Deprecated.