gov.nasa.pds.label.io

Class LengthLimitedInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

gov.nasa.pds.label.io.LengthLimitedInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class LengthLimitedInputStream
extends java.io.FilterInputStream

Implements a stream that wraps another input stream, but limits the portion read.

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
LengthLimitedInputStream(java.io.InputStream in, long offset, long size) Creates a new instance wrapping the given input stream.

Method Summary

Modifier and Type	Method and Description
int	available()
int	read()
int	read(byte[] b, int off, int len)
long	skip(long n)

Methods inherited from class java.io.FilterInputStream

close, mark, markSupported, read, reset

Methods inherited from class java.lang.Object

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

Constructor Detail

LengthLimitedInputStream

public LengthLimitedInputStream(java.io.InputStream in,
                                long offset,
                                long size)
                         throws java.io.IOException

Creates a new instance wrapping the given input stream.

Parameters:

in - the underlying input stream

offset - the offset from the start of the stream to begin reading

size - the size of the portion of the data to read

Throws:

java.io.IOException - if there is an error accessing the underlying input stream

Method Detail

available

public int available()
              throws java.io.IOException

Overrides:

available in class java.io.FilterInputStream

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

read

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

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

skip

public long skip(long n)
          throws java.io.IOException

Overrides:

skip in class java.io.FilterInputStream

Throws:

java.io.IOException