javax.ws.rs.core
Class Variant

java.lang.Object
  javax.ws.rs.core.Variant

public class Variant
extends Object

Abstraction for a resource representation variant.

Nested Class Summary

static class

Variant.VariantListBuilder A builder for a list of representation variants.

Constructor Summary

Variant(MediaType mediaType, Locale language, String encoding)
Create a new instance of Variant

Method Summary

static Variant.VariantListBuilder	encodings(String... encodings) Create a Variant.VariantListBuilder initialized with a set of supported encodings.
boolean	equals(Object obj) Compares obj to this variant to see if they are the same considering all property values.
String	getEncoding() Get the encoding of the variant
Locale	getLanguage() Get the language of the variant
MediaType	getMediaType() Get the media type of the variant
int	hashCode() Generate hash code from variant properties.
static Variant.VariantListBuilder	languages(Locale... languages) Create a Variant.VariantListBuilder initialized with a set of supported languages.
static Variant.VariantListBuilder	mediaTypes(MediaType... mediaTypes) Create a Variant.VariantListBuilder initialized with a set of supported media types.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Variant

public Variant(MediaType mediaType,
               Locale language,
               String encoding)

Create a new instance of Variant

Parameters:

mediaType - the media type of the variant - may be null

language - the language of the variant - may be null

encoding - the content encoding of the variant - may be null

Throws:

IllegalArgumentException - if all three parameters are null

Method Detail

getLanguage

public Locale getLanguage()

Get the language of the variant

Returns:

the language or null if none set

getMediaType

public MediaType getMediaType()

Get the media type of the variant

Returns:

the media type or null if none set

getEncoding

public String getEncoding()

Get the encoding of the variant

Returns:

the encoding or null if none set

mediaTypes

public static Variant.VariantListBuilder mediaTypes(MediaType... mediaTypes)

Create a Variant.VariantListBuilder initialized with a set of supported media types.

Parameters:

mediaTypes - the available mediaTypes. If specific charsets are supported they should be included as parameters of the respective media type.

Returns:

the initailized builder

Throws:

IllegalArgumentException - if mediaTypes is null or contains no elements.

languages

public static Variant.VariantListBuilder languages(Locale... languages)

Create a Variant.VariantListBuilder initialized with a set of supported languages.

Parameters:

languages - the available languages.

Returns:

the initailized builder

Throws:

IllegalArgumentException - if languages is null or contains no elements.

encodings

public static Variant.VariantListBuilder encodings(String... encodings)

Create a Variant.VariantListBuilder initialized with a set of supported encodings.

Parameters:

encodings - the available encodings.

Returns:

the initailized builder

Throws:

IllegalArgumentException - if encodings is null or contains no elements.

hashCode

public int hashCode()

Generate hash code from variant properties.

Overrides:

hashCode in class Object

Returns:

the hash code

equals

public boolean equals(Object obj)

Compares obj to this variant to see if they are the same considering all property values.

Overrides:

equals in class Object

Parameters:

obj - the object to compare to

Returns:

true if the two variants are the same, false otherwise.

toString

public String toString()

Overrides:

toString in class Object