52         // need to call com.sun.org.apache.xml.internal.security.Init.init()

    52         // need to call com.sun.org.apache.xml.internal.security.Init.init()

    53         // before calling any apache security code

    53         // before calling any apache security code

    54         Init.init();

    54         Init.init();

    55     }

    55     }

    56 

    56 

    58     public Data dereference(URIReference uriRef, XMLCryptoContext context)

    57     public Data dereference(URIReference uriRef, XMLCryptoContext context)

    59         throws URIReferenceException {

    58         throws URIReferenceException {

    60 

    59 

    61         if (uriRef == null) {

    60         if (uriRef == null) {

    62             throw new NullPointerException("uriRef cannot be null");

    61             throw new NullPointerException("uriRef cannot be null");