Package org.apache.cassandra.utils

Class ByteArrayUtil

  • public class ByteArrayUtil
extends java.lang.Object

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static byte[] EMPTY_BYTE_ARRAY  

    • Constructor Summary

      Constructors 
      Constructor Description
      ByteArrayUtil()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static byte[] bytes​(byte b)  
      static byte[] bytes​(double v)  
      static byte[] bytes​(float v)  
      static byte[] bytes​(int v)  
      static byte[] bytes​(long v)  
      static byte[] bytes​(short v)  
      static byte[] bytes​(java.lang.String v)  
      static byte[] bytes​(java.lang.String v, java.nio.charset.Charset charset)  
      static java.lang.String bytesToHex​(byte[] bytes)  
      static int compareUnsigned​(byte[] o1, byte[] o2)  
      static int compareUnsigned​(byte[] o1, int off1, byte[] o2, int off2, int len)  
      static void copyBytes​(byte[] src, int srcPos, byte[] dst, int dstPos, int length)  
      static void copyBytes​(byte[] src, int srcPos, java.nio.ByteBuffer dst, int dstPos, int length)  
      static boolean getBoolean​(byte[] b, int off)  
      static char getChar​(byte[] b, int off)  
      static double getDouble​(byte[] b, int off)  
      static float getFloat​(byte[] b, int off)  
      static int getInt​(byte[] b)  
      static int getInt​(byte[] b, int off)  
      static long getLong​(byte[] b)  
      static long getLong​(byte[] b, int off)  
      static short getShort​(byte[] b, int off)  
      static int getUnsignedShort​(byte[] b, int off)  
      static byte[] hexToBytes​(java.lang.String hex)  
      static void putBoolean​(byte[] b, int off, boolean val)  
      static void putChar​(byte[] b, int off, char val)  
      static void putDouble​(byte[] b, int off, double val)  
      static void putFloat​(byte[] b, int off, float val)  
      static void putInt​(byte[] b, int off, int val)  
      static void putLong​(byte[] b, int off, long val)  
      static void putShort​(byte[] b, int off, short val)  
      static byte[] readWithLength​(java.io.DataInput in)  
      static byte[] readWithShortLength​(java.io.DataInput in)  
      static byte[] readWithVIntLength​(DataInputPlus in)  
      static int serializedSizeWithVIntLength​(byte[] bytes)  
      static java.lang.String string​(byte[] bytes)  
      static java.lang.String string​(byte[] buffer, java.nio.charset.Charset charset)  
      static void writeWithLength​(byte[] bytes, java.io.DataOutput out)  
      static void writeWithShortLength​(byte[] buffer, java.io.DataOutput out)  
      static void writeWithVIntLength​(byte[] bytes, DataOutputPlus out)  

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • EMPTY_BYTE_ARRAY

        public static final byte[] EMPTY_BYTE_ARRAY

    • Constructor Detail

      • ByteArrayUtil

        public ByteArrayUtil()

    • Method Detail

      • compareUnsigned

        public static int compareUnsigned​(byte[] o1,
                                  byte[] o2)

      • compareUnsigned

        public static int compareUnsigned​(byte[] o1,
                                  int off1,
                                  byte[] o2,
                                  int off2,
                                  int len)

      • bytes

        public static byte[] bytes​(byte b)

      • bytes

        public static byte[] bytes​(int v)

      • bytes

        public static byte[] bytes​(long v)

      • bytes

        public static byte[] bytes​(short v)

      • bytes

        public static byte[] bytes​(float v)

      • bytes

        public static byte[] bytes​(double v)

      • bytes

        public static byte[] bytes​(java.lang.String v)

      • bytes

        public static byte[] bytes​(java.lang.String v,
                           java.nio.charset.Charset charset)

      • getBoolean

        public static boolean getBoolean​(byte[] b,
                                 int off)

      • getChar

        public static char getChar​(byte[] b,
                           int off)

      • getShort

        public static short getShort​(byte[] b,
                             int off)

      • getUnsignedShort

        public static int getUnsignedShort​(byte[] b,
                                   int off)

      • getInt

        public static int getInt​(byte[] b,
                         int off)

      • getInt

        public static int getInt​(byte[] b)

      • getFloat

        public static float getFloat​(byte[] b,
                             int off)

      • getLong

        public static long getLong​(byte[] b)

      • getLong

        public static long getLong​(byte[] b,
                           int off)

      • getDouble

        public static double getDouble​(byte[] b,
                               int off)

      • putBoolean

        public static void putBoolean​(byte[] b,
                              int off,
                              boolean val)

      • putChar

        public static void putChar​(byte[] b,
                           int off,
                           char val)

      • putShort

        public static void putShort​(byte[] b,
                            int off,
                            short val)

      • putInt

        public static void putInt​(byte[] b,
                          int off,
                          int val)

      • putFloat

        public static void putFloat​(byte[] b,
                            int off,
                            float val)

      • putLong

        public static void putLong​(byte[] b,
                           int off,
                           long val)

      • putDouble

        public static void putDouble​(byte[] b,
                             int off,
                             double val)

      • bytesToHex

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

      • hexToBytes

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

      • string

        public static java.lang.String string​(byte[] bytes)
                               throws java.nio.charset.CharacterCodingException
        Throws:
        java.nio.charset.CharacterCodingException

      • string

        public static java.lang.String string​(byte[] buffer,
                                      java.nio.charset.Charset charset)
                               throws java.nio.charset.CharacterCodingException
        Throws:
        java.nio.charset.CharacterCodingException

      • writeWithLength

        public static void writeWithLength​(byte[] bytes,
                                   java.io.DataOutput out)
                            throws java.io.IOException
        Throws:
        java.io.IOException

      • writeWithShortLength

        public static void writeWithShortLength​(byte[] buffer,
                                        java.io.DataOutput out)
                                 throws java.io.IOException
        Throws:
        java.io.IOException

      • writeWithVIntLength

        public static void writeWithVIntLength​(byte[] bytes,
                                       DataOutputPlus out)
                                throws java.io.IOException
        Throws:
        java.io.IOException

      • serializedSizeWithVIntLength

        public static int serializedSizeWithVIntLength​(byte[] bytes)

      • readWithLength

        public static byte[] readWithLength​(java.io.DataInput in)
                             throws java.io.IOException
        Throws:
        java.io.IOException

      • readWithShortLength

        public static byte[] readWithShortLength​(java.io.DataInput in)
                                  throws java.io.IOException
        Throws:
        java.io.IOException

      • readWithVIntLength

        public static byte[] readWithVIntLength​(DataInputPlus in)
                                 throws java.io.IOException
        Throws:
        java.io.IOException

      • copyBytes

        public static void copyBytes​(byte[] src,
                             int srcPos,
                             byte[] dst,
                             int dstPos,
                             int length)

      • copyBytes

        public static void copyBytes​(byte[] src,
                             int srcPos,
                             java.nio.ByteBuffer dst,
                             int dstPos,
                             int length)