private boolean checkJMSConnection(ServiceTaskManager stm) {
Connection connection = null;
Hashtable<String, String> jmsProperties = stm.getJmsProperties();
try {
ConnectionFactory jmsConFactory = null;
try {
jmsConFactory =
JMSUtils.lookup(
new InitialContext(stm.getJmsProperties()),
ConnectionFactory.class,
stm.getConnFactoryJNDIName());
} catch (NamingException e) {
log.error(
"Error looking up connection factory : "
+ stm.getConnFactoryJNDIName()
+ "using JNDI properties : "
+ jmsProperties,
e);
}
connection =
JMSUtils.createConnection(
jmsConFactory,
jmsProperties.get(JMSConstants.PARAM_JMS_USERNAME),
jmsProperties.get(JMSConstants.PARAM_JMS_PASSWORD),
stm.isJmsSpec11(),
null,
false,
"");
} catch (JMSException ignore) {
} // we silently ignore this as a JMSException can be expected when connection is not available
return (connection != null);
}
/**
* Get the referenced ConnectionFactory using the properties from the context
*
* @param context the context to use for lookup
* @param props the properties which contains the JNDI name of the factory
* @return the connection factory
*/
private ConnectionFactory getConnectionFactory(Context context, Hashtable<String, String> props) {
try {
String conFacJndiName = props.get(JMSConstants.PARAM_CONFAC_JNDI_NAME);
if (conFacJndiName != null) {
return JMSUtils.lookup(context, ConnectionFactory.class, conFacJndiName);
} else {
handleException("Connection Factory JNDI name cannot be determined");
}
} catch (NamingException e) {
handleException("Failed to look up connection factory from JNDI", e);
}
return null;
}