Package org.mariadb.jdbc.internal.com.read

Class Buffer

java.lang.Object
org.mariadb.jdbc.internal.com.read.Buffer
public class Buffer extends Object

  • Field Details

    • buf

      public byte[] buf

    • position

      public int position

    • limit

      public int limit

  • Constructor Details

    • Buffer

      public Buffer(byte[] buf, int limit)

    • Buffer

      public Buffer(byte[] buf)
      Constructor with default limit and offset.
      Parameters:
      buf - byte array

  • Method Details

    • remaining

      public int remaining()

    • readStringNullEnd

      public String readStringNullEnd(Charset charset)
      Reads a string from the buffer, looks for a 0 to end the string.
      Parameters:
      charset - the charset to use, for example ASCII
      Returns:
      the read string

    • readBytesNullEnd

      public byte[] readBytesNullEnd()
      Reads a byte array from the buffer, looks for a 0 to end the array.
      Returns:
      the read array

    • readStringLengthEncoded

      public String readStringLengthEncoded(Charset charset)
      Reads length-encoded string.
      Parameters:
      charset - the charset to use, for example ASCII
      Returns:
      the read string

    • readString

      public String readString(int numberOfBytes)
      Read String with defined length.
      Parameters:
      numberOfBytes - raw data length.
      Returns:
      String value

    • readShort

      public short readShort()
      Read a short (2 bytes) from the buffer.
      Returns:
      an short

    • read24bitword

      public int read24bitword()
      Read 24 bit integer.
      Returns:
      length

    • readInt

      public int readInt()
      Read a int (4 bytes) from the buffer.
      Returns:
      a int

    • readLong

      public long readLong()
      Read a long (8 bytes) from the buffer.
      Returns:
      a long

    • readByte

      public byte readByte()
      Reads a byte from the buffer.
      Returns:
      the byte

    • readRawBytes

      public byte[] readRawBytes(int numberOfBytes)
      Read raw data.
      Parameters:
      numberOfBytes - raw data length.
      Returns:
      raw data

    • skipByte

      public void skipByte()

    • skipBytes

      public void skipBytes(int bytesToSkip)

    • skipLengthEncodedBytes

      public void skipLengthEncodedBytes()
      Skip next length encode binary data.

    • getLengthEncodedNumeric

      public long getLengthEncodedNumeric()
      Get next binary data length.
      Returns:
      length of next binary data

    • getLengthEncodedBuffer

      public Buffer getLengthEncodedBuffer()
      Get next data bytes from length encoded prefix.
      Returns:
      buffer

    • getLengthEncodedBytes

      public byte[] getLengthEncodedBytes()
      Get next data bytes with length encoded prefix.
      Returns:
      the raw binary data

    • getByteAt

      public byte getByteAt(int position)

    • writeStringLength

      public void writeStringLength(String value)
      Write value with length encoded prefix.
      Parameters:
      value - value to write

    • writeStringLength

      public void writeStringLength(byte[] bytes)
      Write value with length encoded prefix.
      Parameters:
      bytes - value to write

    • writeStringSmallLength

      public void writeStringSmallLength(byte[] value)
      Write value with length encoded prefix. value length MUST be less than 251 char
      Parameters:
      value - value to write

    • writeBytes

      public void writeBytes(byte header, byte[] bytes)
      Write bytes.
      Parameters:
      header - header byte
      bytes - command bytes

    • writeLength

      public void writeLength(long length)
      Write length.
      Parameters:
      length - length

    • grow

      private void grow()
      Grow data array.