it.unimi.dsi.io
Class NullInputStream
java.lang.Object
java.io.InputStream
it.unimi.dsi.fastutil.io.MeasurableInputStream
it.unimi.dsi.io.NullInputStream
- All Implemented Interfaces:
- RepositionableStream, Closeable, Serializable
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
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
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 class MeasurableInputStream
position
public long position()
- Specified by:
position
in interface RepositionableStream
- Specified by:
position
in class MeasurableInputStream
position
public void position(long position)
throws IOException
- Specified by:
position
in interface RepositionableStream
- Throws:
IOException