org.everit.json.schema.internal

Class HostnameFormatValidator

java.lang.Object

org.everit.json.schema.internal.HostnameFormatValidator

All Implemented Interfaces:

FormatValidator

public class HostnameFormatValidator
extends Object
implements FormatValidator

Implementation of the "hostname" format value.

Field Summary

Fields inherited from interface org.everit.json.schema.FormatValidator

NONE

Constructor Summary

Constructors

Constructor and Description
HostnameFormatValidator()

Method Summary

Modifier and Type	Method and Description
Optional<String>	validate(String subject) Implementation-specific validation of subject.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.everit.json.schema.FormatValidator

forFormat

Constructor Detail

HostnameFormatValidator

public HostnameFormatValidator()

Method Detail

validate

public Optional<String> validate(String subject)

Description copied from interface: FormatValidator

Implementation-specific validation of subject. If a validation error occurs then implementations should return a programmer-friendly error message as a String wrapped in an Optional. If the validation succeeded then an empty optional should be returned.

Specified by:

validate in interface FormatValidator

Parameters:

subject - the string to be validated

Returns:

an Optional wrapping the error message if a validation error occured, otherwise an empty optional.