Module de.powerstat.validation

Package de.powerstat.validation.values

Class Language

java.lang.Object

de.powerstat.validation.values.Language

All Implemented Interfaces:

IValueObject, Comparable<Language>

public final class Language
extends Object
implements Comparable<Language>, IValueObject

Language ISO 639-1. Not DSGVO relevant. TODO Languages names in english TODO Translations

Field Summary

Fields

Modifier and Type	Field	Description
private final String	code	ISO 639-1 language code.
private static final Pattern	LANGUAGE_REGEXP	Language regexp.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Language(String code)	Constructor.

Method Summary

Modifier and Type	Method	Description
int	compareTo(Language obj)	Compare with another object.
boolean	equals(Object obj)	Is equal with another object.
int	hashCode()	Calculate hash code.
static Language	of(String code)	Language factory.
String	stringValue()	Returns the value of this Language as a string.
String	toString()	Returns the string representation of this Language.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

LANGUAGE_REGEXP

private static final Pattern LANGUAGE_REGEXP

Language regexp.

code

private final String code

ISO 639-1 language code.

Constructor Details

Language

private Language(String code)

Constructor.

Parameters:

code - ISO 639-1 code

Throws:

NullPointerException - if code is null

IllegalArgumentException - if code is not a known 639-1 code

Method Details

of

public static Language of(String code)

Language factory.

Parameters:

code - 639-1 code

Returns:

Language object

stringValue

public String stringValue()

Returns the value of this Language as a string.

Specified by:

stringValue in interface IValueObject

Returns:

The text value represented by this object after conversion to type string (ISO 639-1).

hashCode

public int hashCode()

Calculate hash code.

Overrides:

hashCode in class Object

Returns:

Hash

See Also:

• Object.hashCode()

equals

public boolean equals(Object obj)

Is equal with another object.

Overrides:

equals in class Object

Parameters:

obj - Object

Returns:

true when equal, false otherwise

See Also:

• Object.equals(java.lang.Object)

toString

public String toString()

Returns the string representation of this Language. The exact details of this representation are unspecified and subject to change, but the following may be regarded as typical: "Language[code=de]"

Overrides:

toString in class Object

Returns:

String representation of this Language

See Also:

• Object.toString()

compareTo

public int compareTo(Language obj)

Compare with another object.

Specified by:

compareTo in interface Comparable<Language>

Parameters:

obj - Object to compare with

Returns:

0: equal; 1: greater; -1: smaller

See Also:

• Comparable.compareTo(java.lang.Object)