public static void addPrivateDataProvider(String elementName, String namespace,
            PrivateDataProvider provider) {
        String key = XmppStringUtils.generateKey(elementName, namespace);
        privateDataProviders.put(key, provider);
    }
public static void addPrivateDataProvider ( String elementName , String namespace , PrivateDataProvider provider ) { String key = XmppStringUtils . generateKey ( elementName , namespace ) ; privateDataProviders . put ( key , provider ) ; }
Adds a private data provider with the specified element name and name space. The provider
will override any providers loaded through the classpath.

@param elementName the XML element name.
@param namespace the XML namespace.
@param provider the private data provider.