/**
* Factory method to create the correct network module, based on the supplied address URI.
*
* @param address the URI for the server.
* @param Connect options
* @return a network module appropriate to the specified address.
*/
private NetworkModule createNetworkModule(String address, MqttConnectOptions options)
throws MqttException, MqttSecurityException {
final String methodName = "createNetworkModule";
// @TRACE 115=URI={0}
log.fine(CLASS_NAME, methodName, "115", new Object[] {address});
NetworkModule netModule;
String shortAddress;
String host;
int port;
SocketFactory factory = options.getSocketFactory();
int serverURIType = MqttConnectOptions.validateURI(address);
switch (serverURIType) {
case MqttConnectOptions.URI_TYPE_TCP:
shortAddress = address.substring(6);
host = getHostName(shortAddress);
port = getPort(shortAddress, 1883);
if (factory == null) {
factory = SocketFactory.getDefault();
} else if (factory instanceof SSLSocketFactory) {
throw ExceptionHelper.createMqttException(
MqttException.REASON_CODE_SOCKET_FACTORY_MISMATCH);
}
netModule = new TCPNetworkModule(factory, host, port, clientId);
((TCPNetworkModule) netModule).setConnectTimeout(options.getConnectionTimeout());
break;
case MqttConnectOptions.URI_TYPE_SSL:
shortAddress = address.substring(6);
host = getHostName(shortAddress);
port = getPort(shortAddress, 8883);
SSLSocketFactoryFactory factoryFactory = null;
if (factory == null) {
// try {
factoryFactory = new SSLSocketFactoryFactory();
Properties sslClientProps = options.getSSLProperties();
if (null != sslClientProps) factoryFactory.initialize(sslClientProps, null);
factory = factoryFactory.createSocketFactory(null);
// }
// catch (MqttDirectException ex) {
// throw ExceptionHelper.createMqttException(ex.getCause());
// }
} else if ((factory instanceof SSLSocketFactory) == false) {
throw ExceptionHelper.createMqttException(
MqttException.REASON_CODE_SOCKET_FACTORY_MISMATCH);
}
// Create the network module...
netModule = new SSLNetworkModule((SSLSocketFactory) factory, host, port, clientId);
((SSLNetworkModule) netModule).setSSLhandshakeTimeout(options.getConnectionTimeout());
// Ciphers suites need to be set, if they are available
if (factoryFactory != null) {
String[] enabledCiphers = factoryFactory.getEnabledCipherSuites(null);
if (enabledCiphers != null) {
((SSLNetworkModule) netModule).setEnabledCiphers(enabledCiphers);
}
}
break;
case MqttConnectOptions.URI_TYPE_WS:
shortAddress = address.substring(5);
host = getHostName(shortAddress);
port = getPort(shortAddress, 80);
if (factory == null) {
factory = SocketFactory.getDefault();
} else if (factory instanceof SSLSocketFactory) {
throw ExceptionHelper.createMqttException(
MqttException.REASON_CODE_SOCKET_FACTORY_MISMATCH);
}
netModule = new WebSocketNetworkModule(factory, address, host, port, clientId);
((WebSocketNetworkModule) netModule).setConnectTimeout(options.getConnectionTimeout());
break;
case MqttConnectOptions.URI_TYPE_WSS:
shortAddress = address.substring(6);
host = getHostName(shortAddress);
port = getPort(shortAddress, 443);
SSLSocketFactoryFactory wSSFactoryFactory = null;
if (factory == null) {
wSSFactoryFactory = new SSLSocketFactoryFactory();
Properties sslClientProps = options.getSSLProperties();
if (null != sslClientProps) wSSFactoryFactory.initialize(sslClientProps, null);
factory = wSSFactoryFactory.createSocketFactory(null);
} else if ((factory instanceof SSLSocketFactory) == false) {
throw ExceptionHelper.createMqttException(
MqttException.REASON_CODE_SOCKET_FACTORY_MISMATCH);
}
// Create the network module...
netModule =
new WebSocketSecureNetworkModule(
(SSLSocketFactory) factory, address, host, port, clientId);
((WebSocketSecureNetworkModule) netModule)
.setSSLhandshakeTimeout(options.getConnectionTimeout());
// Ciphers suites need to be set, if they are available
if (wSSFactoryFactory != null) {
String[] enabledCiphers = wSSFactoryFactory.getEnabledCipherSuites(null);
if (enabledCiphers != null) {
((SSLNetworkModule) netModule).setEnabledCiphers(enabledCiphers);
}
}
break;
case MqttConnectOptions.URI_TYPE_LOCAL:
netModule = new LocalNetworkModule(address.substring(8));
break;
default:
// This shouldn't happen, as long as validateURI() has been called.
netModule = null;
}
return netModule;
}
