it.unimi.dsi.io
Class NullReader

java.lang.Object
  extended by java.io.Reader
      extended by it.unimi.dsi.io.NullReader
All Implemented Interfaces:
Closeable, Serializable, Readable

public class NullReader
extends Reader
implements Serializable

End-of-stream-only reader.

This reader will always return end-of-file on any read attempt.

This class is a singleton. You cannot create a null reader, but you can obtain an instance of this class using getInstance().

Since:
0.9.2
Author:
Sebastiano Vigna
See Also:
Serialized Form

Field Summary
 
Fields inherited from class java.io.Reader
lock
 
Method Summary
 void close()
           
static NullReader getInstance()
          Returns the only instance of this class.
 int read(char[] cbuf, int off, int len)
           
 
Methods inherited from class java.io.Reader
mark, markSupported, read, read, read, ready, reset, skip
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Method Detail

getInstance

public static NullReader getInstance()
Returns the only instance of this class.

Returns:
the only instance of this class.

close

public void close()
Specified by:
close in interface Closeable
Specified by:
close in class Reader

read

public int read(char[] cbuf,
                int off,
                int len)
Specified by:
read in class Reader