Package org.apache.nifi.stream.io

Class MaxLengthInputStream

java.lang.Object

java.io.InputStream

org.apache.nifi.stream.io.MaxLengthInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class MaxLengthInputStream
extends InputStream

Field Summary

Fields

Modifier and Type	Field	Description
private long	bytesRead
private static final String	ERROR_MESSAGE_FORMAT
private final String	errorMessage
private final InputStream	in
private final long	limit
private long	markOffset

Constructor Summary

Constructors

Constructor	Description
MaxLengthInputStream(InputStream in, long limit)	Constructs an input stream that will throw an exception if reading past a maximum length of bytes.

Method Summary

Modifier and Type	Method	Description
int	available()
void	close()
long	getLimit()
void	mark(int readlimit)
boolean	markSupported()
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.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

Field Details

ERROR_MESSAGE_FORMAT

private static final String ERROR_MESSAGE_FORMAT

See Also:

• Constant Field Values

in

private final InputStream in

limit

private final long limit

bytesRead

private long bytesRead

markOffset

private long markOffset

errorMessage

private final String errorMessage

Constructor Details

MaxLengthInputStream

public MaxLengthInputStream(InputStream in,
 long limit)

Constructs an input stream that will throw an exception if reading past a maximum length of bytes.

Parameters:

in - the underlying input stream

limit - maximum length of bytes to read from underlying input stream

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

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException

available

public int available()
              throws IOException

Overrides:

available in class InputStream

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

mark

public void mark(int readlimit)

Overrides:

mark in class InputStream

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream

reset

public void reset()
           throws IOException

Overrides:

reset in class InputStream

Throws:

IOException

getLimit

public long getLimit()