%classpath add mvn commons-io commons-io 2.6

import org.apache.commons.io.FileUtils

stilUrl = "http://www.star.bristol.ac.uk/~mbt/stil/stil.jar"
stilFile = System.getProperty("java.io.tmpdir") + "/stilFiles/stil.jar"
FileUtils.copyURLToFile(new URL(stilUrl), new File(stilFile));

%classpath add dynamic stilFile

import uk.ac.starlink.table.formats.StreamStarTable
import jupyter.Displayer
import jupyter.Displayers

Displayers.register(StreamStarTable.class, new Displayer<StreamStarTable>() {
    
    def getArray(t){
        nCol = t.getColumnCount()
        rseq = t.getRowSequence()
        tableAsArray = []
        while ( rseq.next() ) {
            row = rseq.getRow();
            tableAsArray.add(row)
        }
        rseq.close();
        tableAsArray.toArray()
    };  
        
    def getColumnNames(t){
        names = []
        nCol = t.getColumnCount();
        for ( int icol = 0; icol < nCol; icol++ ) {
            names.add(t.getColumnInfo(icol).getName())
        }
        names   
    }
    
    @Override
    public Map<String, String> display(StreamStarTable table) {
        
        array =  getArray(table)  
        columnNames = getColumnNames(table)
        
        new TableDisplay(
                (int)table.getRowCount(),
                (int)table.getColumnCount(),
                columnNames,
                new TableDisplay.Element() {
                  @Override
                  public String get(int columnIndex, int rowIndex) {
                    return array[rowIndex][columnIndex];
                  }
                }
        ).display();
        return OutputCell.DISPLAYER_HIDDEN;
      }
    });

import org.apache.commons.io.FileUtils

messierUrl = "http://andromeda.star.bristol.ac.uk/data/messier.csv"
messierFile = System.getProperty("java.io.tmpdir") + "/stilFiles/messier.csv"
FileUtils.copyURLToFile(new URL(messierUrl), new File(messierFile));
"Done"

import uk.ac.starlink.table.StarTableFactory

starTable= new StarTableFactory().makeStarTable( messierFile, "csv" );