/**
* Importiert CSVPortable Objekte von der angegebenen Datei und Klasse.
*
* @param fileName
* @param type Klasse der tatsaechlichen CSVPortable-Implementierung.
* @return
*/
public static CSVPortable[] importFrom(String fileName, Class type) {
try {
CSVProperties csv = new CSVProperties();
csv.load(fileName);
CSVPortable[] ptbl = new CSVPortable[csv.size()];
String[] columnNames = null;
for (int n = 0; n < csv.size(); n++) {
ptbl[n] = (CSVPortable) type.newInstance();
if (columnNames == null) columnNames = ptbl[n].getColumnNames();
String[] row = new String[columnNames.length];
for (int m = 0; m < columnNames.length; m++) {
row[m] = csv.get(n, m);
}
ptbl[n].setRow(row);
}
return ptbl;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* Exportiert CSVPortable Objekte in die angegebene CSV-Datei.
*
* @param fileName
* @param data
* @return
*/
public static boolean exportTo(String fileName, CSVPortable[] data) {
try {
String[] columnNames = data[0].getColumnNames();
CSVProperties prop = new CSVProperties(columnNames);
for (int n = 0; n < data.length; n++) {
for (int m = 0; m < columnNames.length; m++) prop.set(n, data[n].getRow());
}
prop.save(fileName);
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}