org.unix4j.io

Class NullInput

java.lang.Object

org.unix4j.io.AbstractInput

org.unix4j.io.NullInput

All Implemented Interfaces:

java.lang.AutoCloseable, java.lang.Iterable<Line>, Input

public class NullInput
extends AbstractInput

Input device representing an empty set with no lines.

Field Summary

Fields

Modifier and Type	Field and Description
static NullInput	INSTANCE

Constructor Summary

Constructors

Constructor and Description
NullInput()

Method Summary

Modifier and Type	Method and Description
void	close() Performs a no-op as there are no underlying resources
boolean	hasMoreLines() Returns true if there are more lines to be read.
Line	readLine() Reads the next line.
java.lang.String	toString()

Methods inherited from class org.unix4j.io.AbstractInput

iterator

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

INSTANCE

public static final NullInput INSTANCE

Constructor Detail

NullInput

public NullInput()

Method Detail

hasMoreLines

public boolean hasMoreLines()

Description copied from interface: Input

Returns true if there are more lines to be read.

Returns:

true if more lines exist

readLine

public Line readLine()

Description copied from interface: Input

Reads the next line. Returns null if no next line exists.

Returns:

the next line, or null if no next line exists.

close

public void close()

Performs a no-op as there are no underlying resources

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object