public static StreamBootstrapper getInstance(String pubId, SystemId sysId, byte[] data, int start, int end)
    {
        return new StreamBootstrapper(pubId, sysId, data, start, end);
    }
public static StreamBootstrapper getInstance ( String pubId , SystemId sysId , byte [ ] data , int start , int end ) { return new StreamBootstrapper ( pubId , sysId , data , start , end ) ; }
Factory method used when the underlying data provider is a pre-allocated
block source, and no stream is used.
Additionally the buffer passed is not owned by the bootstrapper
or Reader that is created, so it is not to be recycled.