package com.andreiolar.abms.server;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;
import com.andreiolar.abms.client.rpc.DBGetSelfReadings;
import com.andreiolar.abms.shared.SelfReading;
import com.google.gwt.user.server.rpc.RemoteServiceServlet;
public class DBGetSelfReadingsImpl extends RemoteServiceServlet implements DBGetSelfReadings {
private static final long serialVersionUID = -7399607655056279755L;
@Override
public List<SelfReading> getSelfReadings(String date) throws Exception {
List<SelfReading> selfReadings = new ArrayList<SelfReading>();
Connection conn = null;
PreparedStatement stmt = null;
ResultSet rs = null;
try {
conn = MyConnection.getConnection();
try {
String q = "select * from self_readings where month=?";
stmt = conn.prepareStatement(q);
stmt.setString(1, date);
rs = stmt.executeQuery();
while (rs.next()) {
String aptNumber = rs.getString("apartment_number");
String coldWater = rs.getString("cold_water");
String hotWater = rs.getString("hot_water");
String electricity = rs.getString("electricity");
String gaz = rs.getString("gaz");
SelfReading selfReading = new SelfReading(aptNumber, coldWater, hotWater, electricity, gaz, null);
selfReadings.add(selfReading);
}
} catch (Exception ex) {
ex.printStackTrace();
} finally {
rs.close();
stmt.close();
}
} catch (Exception ex) {
ex.printStackTrace();
} finally {
conn.close();
}
if (selfReadings.isEmpty()) {
throw new Exception("No entries found for month: " + date);
}
return selfReadings;
}
}