How to use

copyToStringFromClasspath

method

in

org.elasticsearch.common.io.Streams

public static String getRiverVersion() {
  String version = "Undefined";
  try {
    String properties = Streams.copyToStringFromClasspath("/org/elasticsearch/river/mongodb/es-build.properties");
    Properties props = new Properties();
    props.load(new FastStringReader(properties));
    String ver = props.getProperty("version", "undefined");
    String hash = props.getProperty("hash", "undefined");
    if (!"undefined".equals(hash)) {
      hash = hash.substring(0, 7);
    }
    String timestamp = "undefined";
    String gitTimestampRaw = props.getProperty("timestamp");
    if (gitTimestampRaw != null) {
      timestamp = ISODateTimeFormat.dateTimeNoMillis().withZone(DateTimeZone.UTC).print(Long.parseLong(gitTimestampRaw));
    }
    version = String.format("version[%s] - hash[%s] - time[%s]", ver, hash, timestamp);
  } catch (Exception ex) {
  }
  return version;
}

  @Override
  public String toString() {
    try {
      if (klass != null) {
        InputStream inputStream = klass.getResourceAsStream(path);
        if (inputStream == null) {
          throw new FileNotFoundException("Resource [" + path + "] not found in classpath with class  [" + klass.getName() + "]");
        }
        return Streams.copyToString(new InputStreamReader(inputStream, "UTF-8"));
      } else {
        return Streams.copyToStringFromClasspath(classLoader, path);
      }
    } catch (IOException e) {
      throw new EsSetupRuntimeException(e);
    }
  }
}

  @Override
  public String toString() {
    try {
      if (klass != null) {
        InputStream inputStream = klass.getResourceAsStream(path);
        if (inputStream == null) {
          throw new FileNotFoundException("Resource [" + path + "] not found in classpath with class  [" + klass.getName() + "]");
        }
        return Streams.copyToString(new InputStreamReader(inputStream, "UTF-8"));
      } else {
        return Streams.copyToStringFromClasspath(classLoader, path);
      }
    } catch (IOException e) {
      throw new EsSetupRuntimeException(e);
    }
  }
}