Top Description Constructors Methods

org.apache.poi.poifs.nio

public abstract Class DataSource

Class Inheritance

extends Object

java.lang.Object
org.apache.poi.poifs.nio.DataSource

Known Direct Subclasses

org.apache.poi.poifs.nio.FileBackedDataSource, org.apache.poi.poifs.nio.ByteArrayBackedDataSource

Imports

java.io.IOException, .OutputStream, java.nio.ByteBuffer

Common definition of how we read and write bytes

Constructor Summary

Access	Constructor and Description
public	DataSource()

Method Summary

Modifier and Type	Method and Description
public abstract void	close() Close the underlying stream
public abstract void	copyTo(OutputStream stream) Copies the contents to the specified OutputStream
public abstract ByteBuffer	read(int length, long position)
public abstract long	size()
public abstract void	write(ByteBuffer src, long position)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Constructor Detail

DataSource	back to summary
public DataSource()

Method Detail

close	back to summary
public abstract void close() throws IOException Close the underlying stream

copyTo	back to summary
public abstract void copyTo(OutputStream stream) throws IOException Copies the contents to the specified OutputStream

read	back to summary
public abstract ByteBuffer read(int length, long position) throws IOException

size	back to summary
public abstract long size() throws IOException

write	back to summary
public abstract void write(ByteBuffer src, long position) throws IOException