com.datamountaineer.streamreactor.connect.mqtt.config.MqttSinkSettings.scala Maven / Gradle / Ivy

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/*
 * Copyright 2017 Datamountaineer.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.datamountaineer.streamreactor.connect.mqtt.config

import com.datamountaineer.kcql.Kcql
import com.datamountaineer.streamreactor.connect.errors.{ErrorPolicy, ThrowErrorPolicy}
import org.apache.kafka.common.config.ConfigException
import org.eclipse.paho.client.mqttv3.MqttClient

/**
  * Created by [email protected] on 27/08/2017. 
  * stream-reactor
  */
case class MqttSinkSettings(connection: String,
                            user: Option[String],
                            password: Option[String],
                            clientId: String,
                            kcql : Set[Kcql],
                            mqttQualityOfService: Int,
                            connectionTimeout: Int,
                            cleanSession: Boolean,
                            keepAliveInterval: Int,
                            sslCACertFile: Option[String],
                            sslCertFile: Option[String],
                            sslCertKeyFile: Option[String],
                            enableProgress : Boolean = MqttConfigConstants.PROGRESS_COUNTER_ENABLED_DEFAULT,
                            errorPolicy: ErrorPolicy = new ThrowErrorPolicy,
                            maxRetries: Int = MqttConfigConstants.NBR_OF_RETIRES_DEFAULT
                           )

object MqttSinkSettings {
  def apply(config: MqttSinkConfig): MqttSinkSettings = {
    def getFile(configKey: String) = Option(config.getString(configKey))

    val kcql = config.getKCQL
    val user = Some(config.getUsername)
    val password =  Option(config.getSecret).map(_.value())
    val connection = config.getHosts
    val clientId = Option(config.getString(MqttConfigConstants.CLIENT_ID_CONFIG)).getOrElse(MqttClient.generateClientId())

    val sslCACertFile = getFile(MqttConfigConstants.SSL_CA_CERT_CONFIG)
    val sslCertFile = getFile(MqttConfigConstants.SSL_CERT_CONFIG)
    val sslCertKeyFile = getFile(MqttConfigConstants.SSL_CERT_KEY_CONFIG)

    (sslCACertFile, sslCertFile, sslCertKeyFile) match {
      case (Some(_), Some(_), Some(_)) =>
      case (None, None, None) =>
      case _ => throw new ConfigException(s"You can't define one of the ${MqttConfigConstants.SSL_CA_CERT_CONFIG},${MqttConfigConstants.SSL_CERT_CONFIG}, ${MqttConfigConstants.SSL_CERT_KEY_CONFIG} without the other")
    }

    val progressEnabled = config.getBoolean(MqttConfigConstants.PROGRESS_COUNTER_ENABLED)

    val errorPolicy = config.getErrorPolicy
    val maxRetries = config.getNumberRetries

    val qs = config.getInt(MqttConfigConstants.QS_CONFIG)
    if (qs < 0 || qs > 2) {
      throw new ConfigException(s"${MqttConfigConstants.QS_CONFIG} is not valid. Can be 0,1 or 2")
    }

    new MqttSinkSettings(
      connection,
      user,
      password,
      clientId,
      kcql,
      qs,
      config.getInt(MqttConfigConstants.CONNECTION_TIMEOUT_CONFIG),
      config.getBoolean(MqttConfigConstants.CLEAN_SESSION_CONFIG),
      config.getInt(MqttConfigConstants.KEEP_ALIVE_INTERVAL_CONFIG),
      sslCACertFile,
      sslCertFile,
      sslCertKeyFile,
      progressEnabled,
      errorPolicy,
      maxRetries
    )
  }


    //new MqttSinkSettings(connection, user, password, clientId, kcql, mqttQualityOfService, connectionTimeout, cleanSession, keepAliveInterval, sslCACertFile, sslCertFile, sslCertKeyFile, enableProgress)
}