Constructor Detail

• Block

  public Block(int ttype)

  Create a new block of the given type.

  Parameters:

  ttype - the block type identifier

Method Detail

• getDataLength

  public abstract int getDataLength()

  Return the size of the block data, excluding the 3 byte header.

  Returns:

  the size of the block, NOT including the 3 byte header (type and size)

• getTotalLength

  public int getTotalLength()

  Return the total size of the block, including the 3 byte header.

  Returns:

  the size of the block, including the 3 byte header (type and size)

• getType

  public int getType()

  Get the block type.

  Returns:

  block type

• toString

  public String toString()

  toString.

  Overrides:

  toString in class Object

• write

  public int write(byte[] tgt,
                   int off)

  Write the block to the target array, returning the new offset.

  Parameters:

  tgt - target array to write to

  off - offset in the target array

  Returns:

  the new offset after writing

• writeData

  public abstract int writeData(byte[] tgt,
                                int off)

  Write the block data to the target array, returning the new offset.

  Parameters:

  tgt - target array to write to

  off - offset in the target array

  Returns:

  the new offset after writing