lava.io
Class NullInputStream

java.lang.Object
  |
  +--java.io.InputStream
        |
        +--lava.io.NullInputStream

public class NullInputStream

extends java.io.InputStream

Empty input stream.

Details: NullInputStream is an empty (zero-length) input stream with no contents. The first call to read immediately returns the EOS token (-1).

Since:

2000.02.10

Author:

Sharky

Constructor Summary

NullInputStream()

Method Summary

boolean	markSupported() True.
int	read() Returns EOS token.
void	reset() No operation.

Methods inherited from class java.io.InputStream

available, close, mark, read, read, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

NullInputStream

public NullInputStream()

Method Detail

read

public int read()

Returns EOS token.

Details: read returns -1, the end-of-stream token.

Overrides:

read in class java.io.InputStream

Returns:

-1

markSupported

public boolean markSupported()

True.

Details: markSupported returns true, since it is trivial to mark a position within a zero-length input stream.

Overrides:

markSupported in class java.io.InputStream

Returns:

true

reset

public void reset()

No operation.

Details: reset does absolutely nothing.

Overrides:

reset in class java.io.InputStream