org.apache.tika.io

Class BoundedInputStream

java.lang.Object

java.io.InputStream

org.apache.tika.io.BoundedInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class BoundedInputStream
extends InputStream

Very slight modification of Commons' BoundedInputStream so that we can figure out if this hit the bound or not.

This relies on IOUtils' skip and read to try to fully read/skip inputstream.

Constructor Summary

Constructors

Constructor and Description
BoundedInputStream(long max, InputStream in)

Method Summary

Modifier and Type	Method and Description
int	available()
boolean	hasHitBound()
void	mark(int readLimit)
boolean	markSupported()
int	read()
int	read(byte[] b) Invokes the delegate's read(byte[]) method.
int	read(byte[] b, int off, int len) Invokes the delegate's read(byte[], int, int) method.
void	reset()
long	skip(long n) Invokes the delegate's skip(long) method.

Methods inherited from class java.io.InputStream

close

Methods inherited from class java.lang.Object

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

Constructor Detail

BoundedInputStream

public BoundedInputStream(long max,
                          InputStream in)

Method Detail

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Invokes the delegate's read(byte[]) method.

Overrides:

read in class InputStream

Parameters:

b - the buffer to read the bytes into

Returns:

the number of bytes read or -1 if the end of stream or the limit has been reached.

Throws:

IOException - if an I/O error occurs

read

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

Invokes the delegate's read(byte[], int, int) method.

This does not have the same guarantees as IOUtil's readFully()...be careful.

Overrides:

read in class InputStream

Parameters:

b - the buffer to read the bytes into

off - The start offset

len - The number of bytes to read

Returns:

the number of bytes read or -1 if the end of stream or the limit has been reached.

Throws:

IOException - if an I/O error occurs

skip

public long skip(long n)
          throws IOException

Invokes the delegate's skip(long) method. As with InputStream generally, this does not guarantee reading n bytes. Use IOUtils' skipFully for that functionality.

Overrides:

skip in class InputStream

Parameters:

n - the number of bytes to skip

Returns:

the actual number of bytes skipped

Throws:

IOException - if an I/O error occurs

reset

public void reset()
           throws IOException

Overrides:

reset in class InputStream

Throws:

IOException

mark

public void mark(int readLimit)

Overrides:

mark in class InputStream

hasHitBound

public boolean hasHitBound()

available

public int available()
              throws IOException

Overrides:

available in class InputStream

Throws:

IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream