Re: Excel dump to java array

From:
dendeezen <tsd35328@scarlet.be>
Newsgroups:
comp.lang.java.gui
Date:
Thu, 4 Mar 2010 09:16:51 -0800 (PST)
Message-ID:
<fe4b2ccd-e3aa-45fb-972a-f9614cdd1384@i25g2000yqm.googlegroups.com>
Hi,

Thanks for helping, I tried lots of things, but ... I can't find the
solutuion.
Hereby my code, I guess the solution is trivial.
How can I dump the values from Lezen.leesL6 into the Array, where
now, for testing, figures 12345?

Please give me a consistent hint.

<code>
class Lezen {
    public static void leesL6(){
        //int celwaarde = 0;
        try {
            POIFSFileSystem fs = new POIFSFileSystem (
                    new FileInputStream("test.xls"));

            HSSFWorkbook workBook = new HSSFWorkbook (fs);
            HSSFSheet sheetL6 = workBook.getSheetAt(0);
            Iterator<Row> rows = sheetL6.rowIterator();

            while (rows.hasNext()) {
                Row row = rows.next();
                Iterator<Cell> cells = row.cellIterator();
                while (cells.hasNext()) {
                    Cell cell = cells.next();

                    switch(cell.getCellType()){
                        case Cell.CELL_TYPE_NUMERIC : {
                            System.out.println(cell.getNumericCellValue());
                            break;
                        }
                        case Cell.CELL_TYPE_FORMULA : {
                            int formulegetal = (int) cell.getNumericCellValue();
                            System.out.println(formulegetal);
                            break;
                        }
                        case Cell.CELL_TYPE_STRING : {
                            HSSFRichTextString richTextString =
                                (HSSFRichTextString) cell.getRichStringCellValue();
                            System.out.println("String value: " +
                                richTextString.getString() );
                            break;
                        }
                        default :{
                            System.out.println("Type niet ondersteund");
                        }

                    }
            }
        }
    }
        catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}
//tel het aantal rijen
class RijenL6 {
      public static int aantalrijenL6 (){
          int aantal = 0;
           try {
                POIFSFileSystem fs = new POIFSFileSystem (
                        new FileInputStream("test.xls"));

                HSSFWorkbook workBook = new HSSFWorkbook (fs);
                HSSFSheet sheetL6 = workBook.getSheetAt(0); //neemt de eerste
sheet: L6
                Iterator<Row> rows = sheetL6.rowIterator();

                while (rows.hasNext()) {
                    Row row = rows.next();
                 aantal = row.getRowNum();
                }
         }
         catch (FileNotFoundException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
        }
         catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
         }
         return (aantal + 1);
     }
}
//tel aantal kolommen
class KolommenL6 {
    public static int aantalkolommenL6() {
          int aantal = 0;
          int aantalrijen = 0;
          int aantalcellen = 0;
             try {
                    POIFSFileSystem fs = new POIFSFileSystem (
                            new FileInputStream("test.xls"));

                    HSSFWorkbook workBook = new HSSFWorkbook (fs);
                    HSSFSheet sheetL6 = workBook.getSheetAt(0); //neemt de eerste
sheet: L6
                    Iterator<Row> rows = sheetL6.rowIterator();

                    int n = 1;
                    while (rows.hasNext()) {
                        Row row = rows.next ();
                        aantalrijen = row.getRowNum();

                        //aantal cellen tellen
                        Iterator<Cell> cells = row.cellIterator ();
                        while (cells.hasNext ()){
                            Cell cell =cells.next();
                            aantalcellen = n;
                        n = n +1;
                        }
                    }
             }
             catch (FileNotFoundException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
            }
             catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
             }
             return (aantalcellen/aantalrijen);
    }
}

//plaats de gegevens uit L6 in een array
class ArrayL6 {
    public int fillArrayL6(int x, int y ) {
        int ARRAY_ROWS = RijenL6.aantalrijenL6();
        int ARRAY_COLUMNS = KolommenL6.aantalkolommenL6();
        int [][] arrayL6 = new int [ARRAY_ROWS][ARRAY_COLUMNS];

        for (int i= 0; i < ARRAY_ROWS; i ++) {
                for (int j = 0; j < ARRAY_COLUMNS ;j ++) {
                    for (int k = 0;k <ARRAY_ROWS*ARRAY_COLUMNS; k++){
                        arrayL6[i][j] = 12345;
                    }
                }
        }
    return arrayL6[x][y];
    }
}

public class ExceltoJavaArray {
    public static void main (String args[]) {
            Lezen a;
            a = new Lezen();
            a.leesL6();

            RijenL6 r ;
            r = new RijenL6();
            System.out.println("Aantal rijen: " + r.aantalrijenL6());

            KolommenL6 k;
            k = new KolommenL6();
            System.out.println("Aantal kolommen: " + k.aantalkolommenL6());

            ArrayL6 lijstL6;
            lijstL6 = new ArrayL6();
            System.out.println ("Arraytest " + lijstL6.fillArrayL6(6,4));

    }
}

</code>

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