/**
* Locates and loads the bean proxy which is specified in the class from the default context.
*
* @param <T> The generic class
* @param local The class of the interface
* @return The bean proxy
* @throws NamingException Any error occurred
*/
public static <T> T locate(final Class<T> local) throws NamingException {
PerfTracer tracer = new PerfTracer(TRACER);
PerfLogger logger = new PerfLogger(LOGGER);
tracer.entry();
try {
String className = local.getName();
logger.debug("Before " + className + CONSTANT_LOOKUP);
T instance = (T) new InitialContext().lookup(className);
logger.debug("After " + className + CONSTANT_LOOKUP);
return instance;
} finally {
tracer.exit();
}
}
/**
* Locates and loads the bean proxy which is specified in the parameters, the local or the remote
* proxy will be load, it depends the configuration of this ServiceLocator.
*
* @param <T> The generic class
* @param local The class of the interface
* @param remote The class of the interface
* @return The bean proxy
* @throws NamingException Any error occurred
*/
public static <T> T locate(final Class<T> local, final Class remote) throws NamingException {
PerfTracer tracer = new PerfTracer(TRACER);
PerfLogger logger = new PerfLogger(LOGGER);
tracer.entry();
try {
try {
return locate(local);
} catch (Exception except) {
logger.debug("Local interface not bound: %1$s", except.toString());
}
String className = remote.getName();
logger.debug("Before " + className + CONSTANT_LOOKUP);
String providerUrl = PROVIDER_URL;
logger.debug("Default provider URL is %1$s", providerUrl);
if (System.getProperty("providerUrl." + className) != null) {
providerUrl = System.getProperty("providerUrl." + className);
logger.debug("Got %1$s provider URL from property", providerUrl);
}
Properties properties = new Properties();
properties.put(Context.INITIAL_CONTEXT_FACTORY, INITIAL_CONTEXT_FACTORY);
properties.put(Context.URL_PKG_PREFIXES, URL_PKG_PREFIXES);
properties.put(Context.PROVIDER_URL, providerUrl);
InitialContext ic = new InitialContext(properties);
T instance = (T) ic.lookup(className);
logger.debug("After " + className + CONSTANT_LOOKUP);
return instance;
} finally {
tracer.exit();
}
}