org.apache.clerezza.platform.language

Class LanguageService

java.lang.Object

org.apache.clerezza.platform.language.LanguageService

@Service(value=LanguageService.class)
public class LanguageService
extends Object

This class provides a OSGi service for managing languages in the Clerezza platform.

Author:

mir

Constructor Summary

Constructors

Constructor and Description
LanguageService()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	activate(org.osgi.service.component.ComponentContext componentContext) The activate method is called when SCR activates the component configuration.
void	addLanguage(UriRef languageUri) Adds the language specified through languageUri to the Clerezza platform.
void	addToLanguageConfigGraph(NonLiteral languageUri) Adds the language information of the language specified through languageUri to the config graph.
Set<UriRef>	getAllLanguages() Returns a set containg all language uris which are in the graph which is included in this bundle.
LanguageDescription	getDefaultLanguage() Returns the LanguageDescription of the default language of the platform.
UriRef	getLanguage(String languageName, Language inLanguage) Returns a language uri of a language which has a label containing the specified languageName.
GraphNode	getLanguageNode(NonLiteral langUri) Get the language as GraphNode specified through languageUri.
List<LanguageDescription>	getLanguages() Returns a List of LanguageDescriptions which describe the languages which are supported by the platform.

Methods inherited from class java.lang.Object

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

Constructor Detail

LanguageService

public LanguageService()

Method Detail

getLanguages

public List<LanguageDescription> getLanguages()

Returns a List of LanguageDescriptions which describe the languages which are supported by the platform. The first entry describes the default language of the platform.

Returns:

a list containing all language descriptions.

getDefaultLanguage

public LanguageDescription getDefaultLanguage()

Returns the LanguageDescription of the default language of the platform.

Returns:

the language description of the default language.

getAllLanguages

public Set<UriRef> getAllLanguages()

Returns a set containg all language uris which are in the graph which is included in this bundle.

Returns:

a set containing all language uris. This uris can be used to add the language to Clerezza over the addLanguage()-method in this class.

getLanguage

public UriRef getLanguage(String languageName,
                 Language inLanguage)

Returns a language uri of a language which has a label containing the specified languageName. The label itself is in the language specified through inLanguage. If inLanguage is null, then all labels of a language of searched. If no language was found in the graph, then null is returned. The returned uri can be used to add the language to Clerezza over the addLanguage()-method in this class.

Returns:

a language uris

getLanguageNode

public GraphNode getLanguageNode(NonLiteral langUri)

Get the language as GraphNode specified through languageUri. The languageUri has to be a according to the graph included in this bundle., e.g. "http://www.lingvoj.org/lang/de".

Parameters:

languageUri - The language uri which specifies the language

addLanguage

public void addLanguage(UriRef languageUri)

Adds the language specified through languageUri to the Clerezza platform. The languageUri has to be a according to the graph included in this bundle., e.g. "http://www.lingvoj.org/lang/de" adds German. The uri is added to the system graph and its context to the config graph. The context added is the context provided by lingvoj.rdf.

Parameters:

languageUri - The language uri which specifies the language to be added to the platform.

addToLanguageConfigGraph

public void addToLanguageConfigGraph(NonLiteral languageUri)

Adds the language information of the language specified through languageUri to the config graph. The languageUri has to be of type according to the graph included in this bundle., e.g. "http://www.lingvoj.org/lang/de" adds German. The added language will not be a platform language.

Parameters:

languageUri -

activate

protected void activate(org.osgi.service.component.ComponentContext componentContext)

The activate method is called when SCR activates the component configuration.

Parameters:

componentContext -