/**
 * Copyright 2016 Confluent Inc.
 *
 * 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 io.confluent.connect.elasticsearch;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.InputStream;
import java.util.Properties;

public class Version {
  private static final Logger log = LoggerFactory.getLogger(Version.class);
  private static String version = "unknown";

  private static final String VERSION_FILE = "/kafka-connect-elasticsearch-version.properties";

  static {
    try {
      Properties props = new Properties();
      try (InputStream versionFileStream = Version.class.getResourceAsStream(VERSION_FILE)) {
        props.load(versionFileStream);
        version = props.getProperty("version", version).trim();
      }
    } catch (Exception e) {
      log.warn("Error while loading version:", e);
    }
  }

  public static String getVersion() {
    return version;
  }
}
