public Configuration()

in ambari-server/src/main/java/org/apache/ambari/server/configuration/Configuration.java [286:387]
93 lines of code
7 McCabe index (conditional complexity)

  public Configuration(Properties properties) {
    this.properties = properties;

    configsMap = new HashMap<String, String>();
    configsMap.put(SRVR_TWO_WAY_SSL_KEY, properties.getProperty(
        SRVR_TWO_WAY_SSL_KEY, SRVR_TWO_WAY_SSL_DEFAULT));
    configsMap.put(SRVR_TWO_WAY_SSL_PORT_KEY, properties.getProperty(
        SRVR_TWO_WAY_SSL_PORT_KEY, SRVR_TWO_WAY_SSL_PORT_DEFAULT));
    configsMap.put(SRVR_ONE_WAY_SSL_PORT_KEY, properties.getProperty(
        SRVR_ONE_WAY_SSL_PORT_KEY, SRVR_ONE_WAY_SSL_PORT_DEFAULT));
    configsMap.put(SRVR_KSTR_DIR_KEY, properties.getProperty(
        SRVR_KSTR_DIR_KEY, SRVR_KSTR_DIR_DEFAULT));
    configsMap.put(SRVR_CRT_NAME_KEY, properties.getProperty(
        SRVR_CRT_NAME_KEY, SRVR_CRT_NAME_DEFAULT));
    configsMap.put(SRVR_KEY_NAME_KEY, properties.getProperty(
        SRVR_KEY_NAME_KEY, SRVR_KEY_NAME_DEFAULT));
    configsMap.put(KSTR_NAME_KEY, properties.getProperty(
        KSTR_NAME_KEY, KSTR_NAME_DEFAULT));
    configsMap.put(SRVR_CRT_PASS_FILE_KEY, properties.getProperty(
        SRVR_CRT_PASS_FILE_KEY, SRVR_CRT_PASS_FILE_DEFAULT));
    configsMap.put(PASSPHRASE_ENV_KEY, properties.getProperty(
        PASSPHRASE_ENV_KEY, PASSPHRASE_ENV_DEFAULT));
    configsMap.put(PASSPHRASE_KEY, System.getenv(configsMap.get(
        PASSPHRASE_ENV_KEY)));
    configsMap.put(USER_ROLE_NAME_KEY, properties.getProperty(
        USER_ROLE_NAME_KEY, USER_ROLE_NAME_DEFAULT));
    configsMap.put(ADMIN_ROLE_NAME_KEY, properties.getProperty(
        ADMIN_ROLE_NAME_KEY, ADMIN_ROLE_NAME_DEFAULT));
    configsMap.put(RESOURCES_DIR_KEY, properties.getProperty(
        RESOURCES_DIR_KEY, RESOURCES_DIR_DEFAULT));
    configsMap.put(SRVR_CRT_PASS_LEN_KEY, properties.getProperty(
        SRVR_CRT_PASS_LEN_KEY, SRVR_CRT_PASS_LEN_DEFAULT));

    configsMap.put(CLIENT_API_SSL_KSTR_DIR_NAME_KEY, properties.getProperty(
      CLIENT_API_SSL_KSTR_DIR_NAME_KEY, configsMap.get(SRVR_KSTR_DIR_KEY)));
    configsMap.put(CLIENT_API_SSL_KSTR_NAME_KEY, properties.getProperty(
      CLIENT_API_SSL_KSTR_NAME_KEY, CLIENT_API_SSL_KSTR_NAME_DEFAULT));
    configsMap.put(CLIENT_API_SSL_CRT_PASS_FILE_NAME_KEY, properties.getProperty(
      CLIENT_API_SSL_CRT_PASS_FILE_NAME_KEY, CLIENT_API_SSL_CRT_PASS_FILE_NAME_DEFAULT));
    configsMap.put(CLIENT_API_SSL_KEY_NAME_KEY, properties.getProperty(
      CLIENT_API_SSL_KEY_NAME_KEY, CLIENT_API_SSL_KEY_NAME_DEFAULT));
    configsMap.put(CLIENT_API_SSL_CRT_NAME_KEY, properties.getProperty(
      CLIENT_API_SSL_CRT_NAME_KEY, CLIENT_API_SSL_CRT_NAME_DEFAULT));
    configsMap.put(JAVA_HOME_KEY, properties.getProperty(
        JAVA_HOME_KEY, JAVA_HOME_DEFAULT));

    File passFile = new File(configsMap.get(SRVR_KSTR_DIR_KEY) + File.separator
        + configsMap.get(SRVR_CRT_PASS_FILE_KEY));
    String password = null;

    if (!passFile.exists()) {
      LOG.info("Generation of file with password");
      try {
        password = RandomStringUtils.randomAlphanumeric(Integer
            .parseInt(configsMap.get(SRVR_CRT_PASS_LEN_KEY)));
        FileUtils.writeStringToFile(passFile, password);
        ShellCommandUtil.setUnixFilePermissions(
               ShellCommandUtil.MASK_OWNER_ONLY_RW, passFile.getAbsolutePath());
      } catch (IOException e) {
        e.printStackTrace();
        throw new RuntimeException(
            "Error reading certificate password from file");
      }
    } else {
      LOG.info("Reading password from existing file");
      try {
        password = FileUtils.readFileToString(passFile);
        password = password.replaceAll("\\p{Cntrl}", "");
      } catch (IOException e) {
        e.printStackTrace();
      }
    }
    configsMap.put(SRVR_CRT_PASS_KEY, password);

    if (this.getApiSSLAuthentication()) {
      LOG.info("API SSL Authentication is turned on.");
      File httpsPassFile = new File(configsMap.get(CLIENT_API_SSL_KSTR_DIR_NAME_KEY)
        + File.separator + configsMap.get(CLIENT_API_SSL_CRT_PASS_FILE_NAME_KEY));

      if (httpsPassFile.exists()) {
        LOG.info("Reading password from existing file");
        try {
          password = FileUtils.readFileToString(httpsPassFile);
          password = password.replaceAll("\\p{Cntrl}", "");
        } catch (IOException e) {
          e.printStackTrace();
          throw new RuntimeException("Error reading certificate password from" +
            " file " + httpsPassFile.getAbsolutePath());
        }
      } else {
        LOG.error("There is no keystore for https UI connection.");
        LOG.error("Run \"ambari-server setup-https\" or set " + Configuration.API_USE_SSL + " = false.");
        throw new RuntimeException("Error reading certificate password from " +
          "file " + httpsPassFile.getAbsolutePath());

      }

      configsMap.put(CLIENT_API_SSL_CRT_PASS_KEY, password);
    }

    loadSSLParams();
  }