Package org.apache.wayang.core.util

Class LimitedInputStream

java.lang.Object

java.io.InputStream

org.apache.wayang.core.util.LimitedInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class LimitedInputStream
extends InputStream

InputStream that is trimmed to a specified size. Moreover, it counts the number of read bytes.

Constructor Summary

Constructors

Constructor	Description
LimitedInputStream(InputStream wrappedInputStream)	Create an unlimited instance.
LimitedInputStream(InputStream wrappedInputStream, long maxReadBytes)	Create a limited instance.

Method Summary

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

Methods inherited from class java.io.InputStream

mark, nullInputStream, read, readAllBytes, readNBytes, readNBytes, reset, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

LimitedInputStream

public LimitedInputStream(InputStream wrappedInputStream)

Create an unlimited instance.

Parameters:

wrappedInputStream - InputStream that is to be wrapped by this instance

LimitedInputStream

public LimitedInputStream(InputStream wrappedInputStream,
 long maxReadBytes)

Create a limited instance.

Parameters:

wrappedInputStream - InputStream that is to be wrapped by this instance

maxReadBytes - maximum number of bytes to read from the stream

Method Details

read

public int read()
         throws IOException

Specified by:

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

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream

getNumReadBytes

public long getNumReadBytes()

Returns:

the number of bytes that have been read from this stream