/**
* @param <T> the return type
* @param retvalClass the returned value's {@link Class}
* @param jndi the JNDI path to the resource
* @return the resource at the specified {@code jndi} path
*/
private static <T> T lookup(Class<T> retvalClass, String jndi) {
try {
return retvalClass.cast(InitialContext.doLookup(jndi));
} catch (NamingException ex) {
throw new IllegalArgumentException(
"failed to lookup instance of " + retvalClass + " at " + jndi, ex);
}
}
