/**
* Reads the properties file, and creates a dynamic security provider to register the SASL
* implementations with.
*/
public static ProviderRegistrationResult registerSaslProviders() {
_logger.debug("public static void registerSaslProviders(): called");
ProviderRegistrationResult result = ProviderRegistrationResult.FAILED;
// Open the SASL properties file, using the default name is one is not specified.
String filename = System.getProperty(FILE_PROPERTY);
InputStream is =
FileUtils.openFileOrDefaultResource(
filename, DEFAULT_RESOURCE_NAME, DynamicSaslRegistrar.class.getClassLoader());
try {
Properties props = new Properties();
props.load(is);
_logger.debug("props = " + props);
Map<String, Class<? extends SaslClientFactory>> factories = parseProperties(props);
if (factories.size() > 0) {
// Ensure we are used before the defaults
JCAProvider qpidProvider = new JCAProvider(factories);
if (Security.insertProviderAt(qpidProvider, 1) == -1) {
Provider registeredProvider = findProvider(JCAProvider.QPID_CLIENT_SASL_PROVIDER_NAME);
if (registeredProvider == null) {
result = ProviderRegistrationResult.FAILED;
_logger.error("Unable to load custom SASL providers.");
} else if (registeredProvider.equals(qpidProvider)) {
result = ProviderRegistrationResult.EQUAL_ALREADY_REGISTERED;
_logger.debug("Custom SASL provider is already registered with equal properties.");
} else {
result = ProviderRegistrationResult.DIFFERENT_ALREADY_REGISTERED;
_logger.warn("Custom SASL provider was already registered with different properties.");
if (_logger.isDebugEnabled()) {
_logger.debug(
"Custom SASL provider "
+ registeredProvider
+ " properties: "
+ new HashMap<Object, Object>(registeredProvider));
}
}
} else {
result = ProviderRegistrationResult.SUCCEEDED;
_logger.info("Additional SASL providers successfully registered.");
}
} else {
result = ProviderRegistrationResult.NO_SASL_FACTORIES;
_logger.warn("No additional SASL factories found to register.");
}
} catch (IOException e) {
result = ProviderRegistrationResult.FAILED;
_logger.error("Error reading properties: " + e, e);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
_logger.error("Unable to close properties stream: " + e, e);
}
}
}
return result;
}
