Package fr.gouv.vitam.common.stream

Class ExactSizeInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

fr.gouv.vitam.common.stream.ExactSizeInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class ExactSizeInputStream
extends FilterInputStream

Input stream that checks input stream size (avoids premature EOF or invalid file size) This input stream guaranties that an exception occur BEFORE the last data byte is returned. For empty streams (size=0), EOF check is done at constructor initialization time.

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor	Description
ExactSizeInputStream(InputStream in, long size)

Method Summary

Modifier and Type	Method	Description
long	getSize()
void	mark(int readlimit)
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
void	reset()
long	skip(long n)

Methods inherited from class java.io.FilterInputStream

available, close, markSupported

Methods inherited from class java.io.InputStream

nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

ExactSizeInputStream

public ExactSizeInputStream(InputStream in,
 long size)
                     throws IOException

Throws:

IOException

Method Details

read

public int read()
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

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

Overrides:

read in class FilterInputStream

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class FilterInputStream

Throws:

IOException

mark

public void mark(int readlimit)

Overrides:

mark in class FilterInputStream

reset

public void reset()
           throws IOException

Overrides:

reset in class FilterInputStream

Throws:

IOException

getSize

public long getSize()