Class ZeroFsInputStream

java.lang.Object

java.io.InputStream

io.roastedroot.zerofs.ZeroFsInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

final class ZeroFsInputStream
extends InputStream

InputStream for reading from a file's RegularFile.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) RegularFile	file
private final FileSystemState	fileSystemState
private boolean	finished
private long	pos

Constructor Summary

Constructors

Constructor	Description
ZeroFsInputStream(RegularFile file, FileSystemState fileSystemState)

Method Summary

Modifier and Type	Method	Description
int	available()
private void	checkNotClosed()
void	close()
private boolean	isOpen()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
private int	readInternal(byte[] b, int off, int len)
private static int	saturatedCast(long value)
long	skip(long n)

Methods inherited from class InputStream

mark, markSupported, nullInputStream, readAllBytes, readNBytes, readNBytes, reset, transferTo

Methods inherited from class Object

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

Field Details

file

RegularFile file

pos

private long pos

finished

private boolean finished

fileSystemState

private final FileSystemState fileSystemState

Constructor Details

ZeroFsInputStream

public ZeroFsInputStream(RegularFile file,
 FileSystemState fileSystemState)

Method Details

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b,
 int off,
 int len)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

readInternal

private int readInternal(byte[] b,
 int off,
 int len)
                  throws IOException

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException

saturatedCast

private static int saturatedCast(long value)

available

public int available()
              throws IOException

Overrides:

available in class InputStream

Throws:

IOException

checkNotClosed

private void checkNotClosed()
                     throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException

isOpen

private boolean isOpen()