#vulnerable code 
                              @Override
  public Object getValue(Map<String, Object> env) {

    if (env != null) {
      if (this.name.contains(".") && RuntimeUtils.getInstance(env)
          .<Boolean>getOption(Options.ENABLE_PROPERTY_SYNTAX_SUGAR)) {
        return getProperty(env);
      }
      return env.get(this.name);
    }
    return null;
  } 
                            #location 6 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                              @Override
  public Object getValue(Map<String, Object> env) {

    if (env != null) {
      if (this.name.contains(".") && RuntimeUtils.getInstance(env)
          .getOptionValue(Options.ENABLE_PROPERTY_SYNTAX_SUGAR).bool) {
        return getProperty(env);
      }
      return env.get(this.name);
    }
    return null;
  }