public class Order {
private String orderId;
private String customerName;
private double totalAmount;
// Constructors, getters, and setters
@Override
public String toString() {
return "Order{" +
"orderId='" + orderId + '\'' +
", customerName='" + customerName + '\'' +
", totalAmount=" + totalAmount +
'}';
}
}
<recordLayoutDefinition recordLength="100">
<record recordType="Order">
<field name="orderId" length="10"/>
<field name="customerName" length="40"/>
<field name="totalAmount" length="50" dataFormat="number" dataFormatPattern="#.00"/>
</record>
</recordLayoutDefinition>
import net.sf.flatpack.DataSet;
import net.sf.flatpack.DefaultParserFactory;
import net.sf.flatpack.Parser;
public class DataProcessor {
public static void main(String[] args) {
try {
String configFilePath = "path/to/flatpack.xml";
String dataFilePath = "path/to/orders.csv";
Parser parser = DefaultParserFactory.getInstance().newFixedLengthParser(new File(configFilePath));
DataSet dataSet = parser.parse(new FileReader(dataFilePath));
while (dataSet.next()) {
String orderId = dataSet.getString("orderId");
String customerName = dataSet.getString("customerName");
double totalAmount = dataSet.getDouble("totalAmount");
// ...
Order order = new Order(orderId, customerName, totalAmount);
System.out.println(order.toString());
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
