com.syncbuilder.storage
Class Block

java.lang.Object
  |
  +--com.syncbuilder.storage.Block

Direct Known Subclasses:

AppBlock, Pref, Record, Resource, SortBlock

public abstract class Block

extends java.lang.Object

implements java.io.Serializable

This is a superclass for all classes which need to parse formatted byte-data into object-attribute values and vice versa. The format of the byte-data is typically identical to the format that is natively used by some Palm device-application.

See Also:

Serialized Form

Field Summary

protected byte[]

raw

Constructor Summary

Block()
Create an uninitialized Block.

Block(byte[] contents)

Method Summary

java.lang.String	describe()
abstract void	fill()
byte[]	pack() Turn the Block's attribute-values into a byte-array.
java.lang.String	toString()
void	unpack(byte[] data)

Methods inherited from class java.lang.Object

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

Field Detail

raw

protected byte[] raw

Constructor Detail

Block

public Block()

Create an uninitialized Block. This no-arg constructor is also req'd for the externalization to work.

Block

public Block(byte[] contents)

Method Detail

fill

public abstract void fill()

pack

public byte[] pack()

Turn the Block's attribute-values into a byte-array. The array can be used with unpack or for transfer to an application on the Pilot.

Returns:

the array of bytes

See Also:

unpack(byte[])

unpack

public void unpack(byte[] data)

describe

public java.lang.String describe()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object