NullInputStream (dsiutil 2.6.0)

java.lang.Object
- java.io.InputStream
- - it.unimi.dsi.fastutil.io.MeasurableInputStream
  - - it.unimi.dsi.io.NullInputStream

All Implemented Interfaces:

MeasurableStream, RepositionableStream, Closeable, Serializable, AutoCloseable
```
public class NullInputStream
extends MeasurableInputStream
implements RepositionableStream, Serializable
```
End-of-stream-only input stream.
This stream has length 0, and will always return end-of-file on any read attempt.
This class is a singleton. You cannot create a null input stream, but you can obtain an instance of this class using getInstance().

Since:

0.8

Author:

Sebastiano Vigna

See Also:

Serialized Form

Method Summary

Modifier and Type	Method	Description
`static NullInputStream`	`getInstance()`	Returns the only instance of this class.
`long`	`length()`
`long`	`position()`
`void`	`position(long position)`
`int`	`read()`

Methods inherited from class java.io.InputStream
available, close, mark, markSupported, nullInputStream, read, read, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - read
```
public int read()
```
    Specified by:
    
    read in class InputStream
  - getInstance
```
public static NullInputStream getInstance()
```
    Returns the only instance of this class.
    
    Returns:
    
    the only instance of this class.
  - length
```
public long length()
```
    Specified by:
    
    length in interface MeasurableStream
  - position
```
public long position()
```
    Specified by:
    
    position in interface MeasurableStream
    
    Specified by:
    
    position in interface RepositionableStream
  - position
```
public void position(long position)
              throws IOException
```
    Specified by:
    
    position in interface RepositionableStream
    
    Throws:
    
    IOException