de.julielab.jcore.pipeline.builder.cli.util

Class TextIOUtils.EmptyStringParser<T>

java.lang.Object

de.julielab.jcore.pipeline.builder.cli.util.TextIOUtils.EmptyStringParser<T>

Type Parameters:

T -

All Implemented Interfaces:

java.util.function.Function<String,org.beryx.textio.InputReader.ParseResult<Object>>

Enclosing class:

TextIOUtils

public static class TextIOUtils.EmptyStringParser<T>
extends Object
implements java.util.function.Function<String,org.beryx.textio.InputReader.ParseResult<Object>>

A textIO parser to use with TextIO.newGenericInputReader(Function). It will return null if an empty value is input (i.e. the user did immediately hit return) or the value delivered by a converter otherwise.

Field Summary

Fields

Modifier and Type	Field and Description
static Object	EMPTY_VALUE

Constructor Summary

Constructors

Constructor and Description
EmptyStringParser(java.util.function.Function<String,T> converter, String typeName)

Method Summary

Modifier and Type	Method and Description
org.beryx.textio.InputReader.ParseResult<Object>	apply(String s)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Field Detail

EMPTY_VALUE

public static final Object EMPTY_VALUE

Constructor Detail

EmptyStringParser

public EmptyStringParser(java.util.function.Function<String,T> converter,
                         String typeName)

Method Detail

apply

public org.beryx.textio.InputReader.ParseResult<Object> apply(String s)

Specified by:

apply in interface java.util.function.Function<String,org.beryx.textio.InputReader.ParseResult<Object>>