{
PDAnnotation annot = (PDAnnotation)annotations.get( j );
if( annot instanceof PDAnnotationLink )
{
PDAnnotationLink link = (PDAnnotationLink)annot;
PDAction action = link.getAction();
if( action instanceof PDActionURI )
{
PDActionURI uri = (PDActionURI)action;
String oldURI = uri.getURI();
String newURI = "http://www.pdfbox.org";