org.xbup.lib.core.block

Interface XBBlockData

All Known Subinterfaces:

XBEditableBlockData

All Known Implementing Classes:

XBData, XBOffsetBlockData

public interface XBBlockData

Interface for read access to binary data.

Method Summary

Modifier and Type	Method and Description
XBBlockData	copy() Creates copy of all data.
XBBlockData	copy(long startFrom, long length) Creates copy of given area.
void	copyTo(XBEditableBlockData targetData, long startFrom, long length, long targetPos) Copies data from given area to target area.
byte	getByte(long position) Returns particular byte from data.
java.io.InputStream	getDataInputStream() Provides handler for input stream generation.
long	getDataSize() Returns size of data.
boolean	isEmpty() Returns true if data are empty.
void	saveToStream(java.io.OutputStream outputStream) Saves data to given stream.

Method Detail

isEmpty

boolean isEmpty()

Returns true if data are empty.

Returns:

true if data empty

getDataSize

long getDataSize()

Returns size of data.

Returns:

size of data in bytes

getByte

byte getByte(long position)

Returns particular byte from data.

Parameters:

position - position

Returns:

byte on requested position

copy

XBBlockData copy()

Creates copy of all data.

Returns:

copy of data

copy

XBBlockData copy(long startFrom,
                 long length)

Creates copy of given area.

Parameters:

startFrom - position to start copy from

length - length of area

Returns:

copy of data

copyTo

void copyTo(XBEditableBlockData targetData,
            long startFrom,
            long length,
            long targetPos)

Copies data from given area to target area.

Parameters:

targetData - data to copy to

startFrom - position to start copy from

length - length of area

targetPos - target position to copy to

getDataInputStream

java.io.InputStream getDataInputStream()

Provides handler for input stream generation.

Returns:

new instance of input stream

saveToStream

void saveToStream(java.io.OutputStream outputStream)
           throws java.io.IOException

Saves data to given stream.

Parameters:

outputStream - output stream

Throws:

java.io.IOException - if input/output error