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package dk.thoerup.traininfoservice; |
package dk.thoerup.traininfoservice; |
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import java.sql.Array; |
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import java.sql.Connection; |
import java.sql.Connection; |
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import java.sql.PreparedStatement; |
import java.sql.PreparedStatement; |
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import java.sql.ResultSet; |
import java.sql.ResultSet; |
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import java.sql.Statement; |
import java.sql.Statement; |
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import java.util.logging.Logger; |
import java.util.logging.Logger; |
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import dk.thoerup.traininfoservice.StationBean.StationEntry; |
import dk.thoerup.android.traininfo.common.StationBean; |
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import dk.thoerup.android.traininfo.common.StationBean.StationEntry; |
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public class StationDAO { |
public class StationDAO { |
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public static class NostationException extends Exception { |
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private static final long serialVersionUID = 1L; |
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} |
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final static int LOCATION_LIMIT = 8; |
final static int LOCATION_LIMIT = 8; |
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static final Logger logger = Logger.getLogger(StationDAO.class.getName()); |
static final Logger logger = Logger.getLogger(StationDAO.class.getName()); |
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} |
} |
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public StationEntry getById(int id) throws SQLException { |
public StationEntry getById(int id) throws SQLException,NostationException { |
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String SQL = "SELECT id,name,latitude,longitude,stationcode_fjrn,stationcode_stog,stationcode_metro,address,0.0 " + |
String SQL = "SELECT id,name,latitude,longitude,stationcode_fjrn,stationcode_stog,stationcode_metro,address,0.0 " + |
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"FROM trainstations WHERE id=" + id + " AND enabled=true"; |
"FROM trainstations WHERE id=" + id + " AND enabled=true"; |
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conn = DBConnection.getConnection(); |
conn = DBConnection.getConnection(); |
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stmt = conn.createStatement(); |
stmt = conn.createStatement(); |
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res = stmt.executeQuery(SQL); |
res = stmt.executeQuery(SQL); |
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res.next(); |
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result = convertSingleRow(res); |
if (res.next()) { |
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result = convertSingleRow(res); |
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} else { |
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throw new NostationException(); |
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} |
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} finally { |
} finally { |
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if (res != null) |
if (res != null) |
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res.close(); |
res.close(); |
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return result; |
return result; |
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} |
} |
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public StationBean dumpAll() throws SQLException { |
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String SQL = "SELECT id,name,latitude,longitude,stationcode_fjrn,stationcode_stog,stationcode_metro,address,0.0,aliases " + |
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"FROM trainstations WHERE enabled = true ORDER BY id"; |
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Connection conn = null; |
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Statement stmt = null; |
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ResultSet res = null; |
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try { |
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conn = DBConnection.getConnection(); |
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stmt = conn.createStatement(); |
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res = stmt.executeQuery(SQL); |
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// Does mostly the same as convertResultset() |
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StationBean stations = new StationBean(); |
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while (res.next()) { |
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StationEntry entry = convertSingleRow(res); |
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Array arr = res.getArray(10); |
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if (arr != null) { |
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String[] aliases = (String[]) arr.getArray(); |
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entry.setAliases(aliases); |
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} |
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stations.entries.add( entry ); |
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} |
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return stations; |
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} finally { |
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if (res != null) |
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res.close(); |
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if (stmt != null) |
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stmt.close(); |
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if (conn != null) |
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conn.close(); |
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} |
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} |
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/* |
/* |
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* 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) ) |
* 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) ) |