org.hibernate.connection.DatasourceConnectionProvider Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*
*/
package org.hibernate.connection;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;
import javax.sql.DataSource;
import org.hibernate.HibernateException;
import org.hibernate.cfg.Environment;
import org.hibernate.util.NamingHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A connection provider that uses a DataSource registered with JNDI.
* Hibernate will use this ConnectionProvider by default if the
* property hibernate.connection.datasource is set.
* @see ConnectionProvider
* @author Gavin King
*/
public class DatasourceConnectionProvider implements ConnectionProvider {
private DataSource ds;
private String user;
private String pass;
private static final Logger log = LoggerFactory.getLogger(DatasourceConnectionProvider.class);
public DataSource getDataSource() {
return ds;
}
public void setDataSource(DataSource ds) {
this.ds = ds;
}
public void configure(Properties props) throws HibernateException {
String jndiName = props.getProperty( Environment.DATASOURCE );
if ( jndiName == null ) {
String msg = "datasource JNDI name was not specified by property " + Environment.DATASOURCE;
log.error( msg );
throw new HibernateException( msg );
}
user = props.getProperty( Environment.USER );
pass = props.getProperty( Environment.PASS );
try {
ds = ( DataSource ) NamingHelper.getInitialContext( props ).lookup( jndiName );
}
catch ( Exception e ) {
log.error( "Could not find datasource: " + jndiName, e );
throw new HibernateException( "Could not find datasource", e );
}
if ( ds == null ) {
throw new HibernateException( "Could not find datasource: " + jndiName );
}
log.info( "Using datasource: " + jndiName );
}
public Connection getConnection() throws SQLException {
if (user != null || pass != null) {
return ds.getConnection(user, pass);
}
else {
return ds.getConnection();
}
}
public void closeConnection(Connection conn) throws SQLException {
conn.close();
}
public void close() {}
/**
* @see ConnectionProvider#supportsAggressiveRelease()
*/
public boolean supportsAggressiveRelease() {
return true;
}
}