Package cdc.util.validation.checkers.defaults

Class IsExistingFile

java.lang.Object

cdc.util.validation.checkers.defaults.IsExistingFile

All Implemented Interfaces:

Checker<java.io.File>, java.util.function.Predicate<java.io.File>

public final class IsExistingFile
extends java.lang.Object
implements Checker<java.io.File>

Field Summary

Fields

Modifier and Type	Field	Description
static cdc.util.args.Factory<IsExistingFile>	FACTORY
static IsExistingFile	INSTANCE

Method Summary

Modifier and Type	Method	Description
java.lang.String	explain(boolean result, java.lang.String arg)	Explains the conditions at which a positive or negative result is obtained.
java.lang.Class<java.io.File>	getValueClass()
boolean	test(java.io.File value)

Methods inherited from interface cdc.util.validation.checkers.Checker

after, after, afterRaw, and, andRaw, cast, cast, explain, explain, fromConverter, fromFunction, negate, or, orRaw, testAndExplain, testAndExplain

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.Predicate

and, isEqual, or

Field Detail

INSTANCE

public static final IsExistingFile INSTANCE

FACTORY

public static final cdc.util.args.Factory<IsExistingFile> FACTORY

Method Detail

getValueClass

public java.lang.Class<java.io.File> getValueClass()

Specified by:

getValueClass in interface Checker<java.io.File>

Returns:

The class of tested values.

test

public boolean test(java.io.File value)

Specified by:

test in interface Checker<java.io.File>

Specified by:

test in interface java.util.function.Predicate<java.io.File>

explain

public java.lang.String explain(boolean result,
                                java.lang.String arg)

Description copied from interface: Checker

Explains the conditions at which a positive or negative result is obtained.

Specified by:

explain in interface Checker<java.io.File>

Parameters:

result - The result to explain.

arg - The argument name to use in explanations.

Returns:

A string explaining the conditions leading to result.