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package wrappers;
import java.sql.SQLException;
import java.util.Hashtable;
import javax.sql.DataSource;
import org.postgresql.jdbc2.optional.PoolingDataSource;
public class PostgresqlInterface extends JdbcInterface {
public PostgresqlInterface() {
this(true);
} // end of constructor
public PostgresqlInterface(boolean b) {
super(b);
if (dst == null)
dst = new Hashtable<String, DataSource>();
} // end of constructor
@Override
public int JdbcConnect(String[] parms, int fsize, boolean scrollable) {
int rc = 0;
String url = parms[1];
DataSource ds = null;
PoolingDataSource pds = null;
if (DEBUG)
System.out.println("Connecting to Postgresql data source");
try {
CheckURL(url, "postgresql");
if ((ds = dst.get(url)) == null) {
pds = new PoolingDataSource();
pds.setUrl(url);
if (parms[2] != null)
pds.setUser(parms[2]);
if (parms[3] != null)
pds.setPassword(parms[3]);
ds = pds;
dst.put(url, ds);
} // endif ds
// Get a connection from the data source
conn = ds.getConnection();
// Get the data base meta data object
dbmd = conn.getMetaData();
// Get a statement from the connection
stmt = GetStmt(fsize, scrollable);
} catch (SQLException se) {
SetErrmsg(se);
rc = -2;
} catch( Exception e ) {
SetErrmsg(e);
rc = -3;
} // end try/catch
return rc;
} // end of JdbcConnect
} // end of class PostgresqlInterface
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