Package org.opencastproject.util

Class ChunkedFileInputStream

java.lang.Object

java.io.InputStream

java.io.FileInputStream

org.opencastproject.util.ChunkedFileInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class ChunkedFileInputStream
extends FileInputStream

input stream to get only a part of a file

Constructor Summary

Constructors

Constructor	Description
ChunkedFileInputStream(File file, long offset, long endOffset)	constructor
ChunkedFileInputStream(String name)	constructor

Method Summary

Modifier and Type	Method	Description
long	getEndOffset()	get the ending offset
long	getOffset()	get the starting offset
int	read()	read the next byte
void	setEndOffset(long endOffset)	set the ending offset
void	setOffset(long offset)	set the starting offset

Methods inherited from class java.io.FileInputStream

available, close, getChannel, getFD, read, read, readAllBytes, readNBytes, skip, transferTo

Methods inherited from class java.io.InputStream

mark, markSupported, nullInputStream, readNBytes, reset, skipNBytes

Methods inherited from class java.lang.Object

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

Constructor Details

ChunkedFileInputStream

public ChunkedFileInputStream(String name)
                       throws FileNotFoundException

constructor

Parameters:

name - the name of the file

Throws:

FileNotFoundException - if the file was not found

ChunkedFileInputStream

public ChunkedFileInputStream(File file,
 long offset,
 long endOffset)
                       throws FileNotFoundException

constructor

Parameters:

file - the file to load

offset - the starting offset

endOffset - the ending offset

Throws:

FileNotFoundException - if the requested file was not found

Method Details

read

public int read()
         throws IOException

read the next byte

Overrides:

read in class FileInputStream

Returns:

the next byte or -1 if the expected offset has been reached

Throws:

IOException

getEndOffset

public long getEndOffset()

get the ending offset

Returns:

the ending offset

setEndOffset

public void setEndOffset(long endOffset)

set the ending offset

Parameters:

endOffset - the ending offset

getOffset

public long getOffset()

get the starting offset

Returns:

the starting offset

setOffset

public void setOffset(long offset)

set the starting offset

Parameters:

offset - the starting offset