public void addMetadata(String name,String value){
  if ((name != null) && (value != null)) {
    Metadata m=new Metadata(name,value);
    _metadata.add(m);
  }
}

public void addMetadata ( String name , String value ) { if ( ( name != null ) && ( value != null ) ) { Metadata m = new Metadata ( name , value ) ; _metadata . add ( m ) ; } }
appends a name / content metadata pair to this output device . a name or content value of null will be ignored .
