Examples with MqttDefaultFilePersistence org.eclipse.paho.client.mqttv3.persist.MqttDefaultFilePersistence used on opensource projects

Example 1 with MqttDefaultFilePersistence

use of org.eclipse.paho.client.mqttv3.persist.MqttDefaultFilePersistence in project openhab1-addons by openhab.

the class MqttBrokerConnection method openConnection.

/**
     * Open an MQTT client connection.
     * 
     * @throws Exception
     */
private void openConnection() throws Exception {
    if (client != null && client.isConnected()) {
        return;
    }
    if (StringUtils.isBlank(url)) {
        throw new Exception("Missing url");
    }
    if (client == null) {
        if (StringUtils.isBlank(clientId) || clientId.length() > 23) {
            clientId = MqttClient.generateClientId();
        }
        String tmpDir = System.getProperty("java.io.tmpdir") + "/" + name;
        MqttDefaultFilePersistence dataStore = new MqttDefaultFilePersistence(tmpDir);
        logger.debug("Creating new client for '{}' using id '{}' and file store '{}'", url, clientId, tmpDir);
        client = new MqttClient(url, clientId, dataStore);
        client.setCallback(this);
    }
    MqttConnectOptions options = new MqttConnectOptions();
    if (!StringUtils.isBlank(user)) {
        options.setUserName(user);
    }
    if (!StringUtils.isBlank(password)) {
        options.setPassword(password.toCharArray());
    }
    if (url.toLowerCase().contains("ssl")) {
        if (StringUtils.isNotBlank(System.getProperty("com.ibm.ssl.protocol"))) {
            // get all com.ibm.ssl properties from the system properties
            // and set them as the SSL properties to use.
            Properties sslProps = new Properties();
            addSystemProperty("com.ibm.ssl.protocol", sslProps);
            addSystemProperty("com.ibm.ssl.contextProvider", sslProps);
            addSystemProperty("com.ibm.ssl.keyStore", sslProps);
            addSystemProperty("com.ibm.ssl.keyStorePassword", sslProps);
            addSystemProperty("com.ibm.ssl.keyStoreType", sslProps);
            addSystemProperty("com.ibm.ssl.keyStoreProvider", sslProps);
            addSystemProperty("com.ibm.ssl.trustStore", sslProps);
            addSystemProperty("com.ibm.ssl.trustStorePassword", sslProps);
            addSystemProperty("com.ibm.ssl.trustStoreType", sslProps);
            addSystemProperty("com.ibm.ssl.trustStoreProvider", sslProps);
            addSystemProperty("com.ibm.ssl.enabledCipherSuites", sslProps);
            addSystemProperty("com.ibm.ssl.keyManager", sslProps);
            addSystemProperty("com.ibm.ssl.trustManager", sslProps);
            options.setSSLProperties(sslProps);
        } else {
            // use standard JSSE available in the runtime and
            // use TLSv1.2 which is the default for a secured mosquitto
            SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
            sslContext.init(null, new TrustManager[] { getVeryTrustingTrustManager() }, new java.security.SecureRandom());
            SSLSocketFactory socketFactory = sslContext.getSocketFactory();
            options.setSocketFactory(socketFactory);
        }
    }
    if (lastWill != null) {
        options.setWill(lastWill.getTopic(), lastWill.getPayload(), lastWill.getQos(), lastWill.isRetain());
    }
    options.setKeepAliveInterval(keepAliveInterval);
    client.connect(options);
}