--- android/TrainInfoService/src/dk/thoerup/traininfoservice/StationDAO.java	2010/09/16 14:04:28	1061
+++ android/TrainInfoService/src/dk/thoerup/traininfoservice/StationDAO.java	2011/04/04 10:39:12	1254
@@ -1,5 +1,6 @@
 package dk.thoerup.traininfoservice;
 
+import java.sql.Array;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
@@ -11,6 +12,11 @@
 import dk.thoerup.android.traininfo.common.StationBean.StationEntry;
 
 public class StationDAO {
+	
+	public static class NostationException extends Exception {
+		private static final long serialVersionUID = 1L;
+	}
+	
 	final static int LOCATION_LIMIT = 8;
 	static final Logger logger = Logger.getLogger(StationDAO.class.getName());
 	
@@ -45,7 +51,7 @@
 	}
 
 
-	public StationEntry getById(int id) throws SQLException {
+	public StationEntry getById(int id) throws SQLException,NostationException {
 		String SQL = "SELECT id,name,latitude,longitude,stationcode_fjrn,stationcode_stog,stationcode_metro,address,0.0 " +
 		"FROM trainstations WHERE id=" + id + " AND enabled=true";
 
@@ -58,9 +64,13 @@
 			conn = DBConnection.getConnection();
 
 			stmt = conn.createStatement();
-			res = stmt.executeQuery(SQL);		
-			res.next();
-			result = convertSingleRow(res);
+			res = stmt.executeQuery(SQL);
+			
+			if (res.next()) {
+				result = convertSingleRow(res);
+			} else {
+				throw new NostationException();
+			}
 		} finally {
 			if (res != null)
 				res.close();
@@ -72,6 +82,50 @@
 
 		return result;
 	}
+	
+	public StationBean dumpAll() throws SQLException {
+		
+		String SQL = "SELECT id,name,latitude,longitude,stationcode_fjrn,stationcode_stog,stationcode_metro,address,0.0,aliases " +
+				"FROM trainstations WHERE enabled = true ORDER BY id";
+		
+		Connection conn = null;
+		Statement stmt = null;
+		ResultSet res = null;		
+
+		
+		try {
+			conn = DBConnection.getConnection();
+
+			stmt = conn.createStatement();
+			res = stmt.executeQuery(SQL);		
+						
+			// Does mostly the same as convertResultset()
+			StationBean stations = new StationBean();
+			while (res.next()) {
+				StationEntry entry = convertSingleRow(res);
+				
+				Array arr = res.getArray(10);
+				if (arr != null) {
+					String[] aliases = (String[]) arr.getArray();
+					entry.setAliases(aliases);
+				}
+				
+				stations.entries.add( entry );
+				
+			}
+			return stations;
+			
+
+		} finally {
+			if (res != null)
+				res.close();
+			if (stmt != null)
+				stmt.close();
+			if (conn != null)
+				conn.close();
+		}
+		
+	}
 
 	/*
 	 * this code requires theses statements are run on database in order to do ILIKE searches against aliases (which is defines as array of varchar(64) )
@@ -111,7 +165,10 @@
 		return result;
 	}
 
-	//the "hack" with max 0.4 degrees latitude and 0.75 degrees longitude is only valid since we only service danish trains,
+	//Latitude (horizonal), longitude(vertical) so
+	// 1 degree latitude is ~ 111320 meters, since the distance between the horizonal lines is always the same 
+	// 1 degree longitude is ~111320 meters at equator but gets shorter as we get closer to the poles.
+	// the "hack" with max 0.4 degrees latitude and 0.75 degrees longitude is only valid since we only service danish trains,
 	// in denmark 0.4dg latitude ~ 44km, 0.75dg longitude ~ 47km
 
 	// the ultra fast method  (and only slightly inaccurate as long as we only cover a limited geographically area)