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Internationalization in rules

Set and read multilingual field content from rules – NuclosLocale and DataLocaleProvider.

REFERENZ DEVELOPER UPDATED: JUL 2026 APPLIES TO NUCLOS 4.2026.X

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For programmatic access to internationalized content (e.g. for interfaces), the Nuclos API extends the affected methods with NuclosLocale signatures. For backward compatibility the existing (non-extended) signatures always refer to the primary language.

Setting and reading

Multilingual fields can be set, copied and read per locale:

public void update(UpdateContext context) throws BusinessException { 
    
        Auftrag a = context.getBusinessObject(Auftrag.class);
        
        // set value for primary language
        a.setBeschreibung("Allgmeiner Wert");
        // set value for german
        a.setBeschreibung(NuclosLocale.DE_DE, "Deutscher Wert");
        // set value for american english
        a.setBeschreibung(NuclosLocale.EN_US, "Deutscher Wert");
        
        // get a list of all locales that are assigned to the current nuclos
        List<NuclosLocale> lstLocales = DataLocaleProvider.getDataLocales();
        a.setBeschreibung(lstLocales, "Wert fuer alle");
        
    }

DataLocaleProvider.getDataLocales() returns all languages assigned to the instance – handy to set a value for all languages.