author | František Kučera <franta-hg@frantovo.cz> |
Tue Jan 26 20:35:40 2010 +0100 (2010-01-26) | |
changeset 22 | b215d5297a31 |
child 26 | fc3e84d87e01 |
permissions | -rw-r--r-- |
franta-hg@22 | 1 |
package cz.frantovo.nekurak.dao; |
franta-hg@22 | 2 |
|
franta-hg@22 | 3 |
import cz.frantovo.superDAO.SuperDAO; |
franta-hg@22 | 4 |
import java.sql.Connection; |
franta-hg@22 | 5 |
import java.sql.SQLException; |
franta-hg@22 | 6 |
import java.util.logging.Level; |
franta-hg@22 | 7 |
import javax.naming.InitialContext; |
franta-hg@22 | 8 |
import javax.naming.NamingException; |
franta-hg@22 | 9 |
import javax.sql.DataSource; |
franta-hg@22 | 10 |
|
franta-hg@22 | 11 |
/** |
franta-hg@22 | 12 |
* |
franta-hg@22 | 13 |
* @author fiki |
franta-hg@22 | 14 |
*/ |
franta-hg@22 | 15 |
public class NekurakSuperDAO extends SuperDAO { |
franta-hg@22 | 16 |
|
franta-hg@22 | 17 |
protected InitialContext kontext = null; |
franta-hg@22 | 18 |
|
franta-hg@22 | 19 |
protected enum DATABAZE { |
franta-hg@22 | 20 |
|
franta-hg@22 | 21 |
/** Aplikace by mohla pracovat s více datovými zdroji. */ |
franta-hg@22 | 22 |
VYCHOZI |
franta-hg@22 | 23 |
} |
franta-hg@22 | 24 |
|
franta-hg@22 | 25 |
public NekurakSuperDAO() { |
franta-hg@22 | 26 |
try { |
franta-hg@22 | 27 |
kontext = new InitialContext(); |
franta-hg@22 | 28 |
} catch (NamingException ex) { |
franta-hg@22 | 29 |
log.log(Level.SEVERE, "Chyba při inicializaci kontextu", ex); |
franta-hg@22 | 30 |
} |
franta-hg@22 | 31 |
} |
franta-hg@22 | 32 |
|
franta-hg@22 | 33 |
/** |
franta-hg@22 | 34 |
* @return Databázové spojení nebo null při chybě. |
franta-hg@22 | 35 |
*/ |
franta-hg@22 | 36 |
protected Connection getSpojeni() { |
franta-hg@22 | 37 |
String jndi = orizni(getVlastnost(DATABAZE.VYCHOZI, NekurakSuperDAO.class)); |
franta-hg@22 | 38 |
DataSource zdroj = null; |
franta-hg@22 | 39 |
try { |
franta-hg@22 | 40 |
zdroj = (DataSource) kontext.lookup(jndi); |
franta-hg@22 | 41 |
return zdroj.getConnection(); |
franta-hg@22 | 42 |
} catch (NamingException ex) { |
franta-hg@22 | 43 |
log.log(Level.SEVERE, "getSpojeni: lookup", ex); |
franta-hg@22 | 44 |
return null; |
franta-hg@22 | 45 |
} catch (SQLException ex) { |
franta-hg@22 | 46 |
log.log(Level.SEVERE, "getSpojeni: sql", ex); |
franta-hg@22 | 47 |
return null; |
franta-hg@22 | 48 |
} |
franta-hg@22 | 49 |
} |
franta-hg@22 | 50 |
} |