question: public NamespaceSupport ( NamespaceContext context ) { pushContext ( ) ; Enumeration prefixes = context . getAllPrefixes ( ) ; while ( prefixes . hasMoreElements ( ) ) { String prefix = ( String ) prefixes . nextElement ( ) ; String uri = context . getURI ( prefix ) ; declarePrefix ( prefix , uri ) ; } }
target:  Constructs a namespace context object and initializes it with the prefixes declared in the specified context.