/**
* Create DataSource, there are two ways, if the application has a security policy then it will
* create from that policy properties, otherwise it will use <code>connection.datasource</code>
* property defined in <code>hibernate.cfg.xml</code> file.
*
* @param props
* @return DataSource
* @throws Exception
*/
@SuppressWarnings("unchecked")
private DataSource createDataSource(Properties props) throws Exception {
try {
Properties dsProperties = null;
InitialContext ic = new InitialContext();
Subject subject = (Subject) ic.lookup(SECURITY_SUBJECT);
ObjectName oname = findObjectName(ic, props);
MBeanServer server = null;
List servers = MBeanServerFactory.findMBeanServer(null);
if (servers.size() > 0) {
if (servers.size() > 1) {
// Iterates over servers list untill AonMainDeployerMBean is found.
// TODO Isolate application server.
Iterator it = servers.iterator();
while (it.hasNext()) {
server = (MBeanServer) it.next();
try {
ObjectName jbossname = new ObjectName("jboss.admin:service=AonMainDeployer");
server.getObjectInstance(jbossname);
break;
} catch (Exception e) {
}
}
} else {
server = (MBeanServer) servers.get(0);
}
}
if (subject == null) throw new NamingException("");
Principal principal = subject.getPrincipals().iterator().next();
dsProperties =
(Properties)
server.invoke(
oname,
DSMD_METHOD_NAME,
new Object[] {principal},
new String[] {Principal.class.getName()});
return BasicDataSourceFactory.createDataSource(dsProperties);
} catch (NamingException ne) {
String jndiName = props.getProperty(Environment.DATASOURCE);
DataSource ds;
try {
ds = (DataSource) NamingHelper.getInitialContext(props).lookup(jndiName);
} catch (NamingException e) {
throw new HibernateException("Could not find datasource", e);
}
if (ds == null) {
throw new HibernateException("Could not find datasource: " + jndiName);
}
return 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.fatal(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.fatal("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);
}
