code: protected String getValue(String str) {
          int index = str.indexOf('=');
          String value = null;
          if (index > 0) {
              value = str.substring(index + 1).trim();
              if (value.charAt(0) == '\"') {
                  value = value.substring(1, value.length() - 1);
              }
          }
          return value;
      }
docs: returns the value of key = value pair.
  if the value is quoted, the quotation characters are stripped.