public static String encodeUTF8()

in aliyun-sdk-opensearch/src/main/java/com/aliyun/opensearch/util/URLEncoderRFC1738.java [104:149]

• 46 lines of code
• 18 McCabe index (conditional complexity)

  public static String encodeUTF8 (final String s)
  {
    final StringBuffer sbuf = new StringBuffer();
    final char[] sChars = s.toCharArray();
    final int len = sChars.length;
    for (int i = 0; i < len; i++)
    {
      final int ch = sChars[i];
      if ('A' <= ch && ch <= 'Z')
      {   // 'A'..'Z'
        sbuf.append((char) ch);
      }
      else if ('a' <= ch && ch <= 'z')
      { // 'a'..'z'
        sbuf.append((char) ch);
      }
      else if ('0' <= ch && ch <= '9')
      { // '0'..'9'
        sbuf.append((char) ch);
      }
      else if (ch == '-' || ch == '_'   // unreserved
              || ch == '.' || ch == '!'
              || ch == '~' || ch == '*'
              || ch == '\'' || ch == '('
              || ch == ')')
      {
        sbuf.append((char) ch);
      }
      else if (ch <= 0x007f)
      {   // other ASCII
        sbuf.append(hex[ch]);
      }
      else if (ch <= 0x07FF)
      {   // non-ASCII <= 0x7FF
        sbuf.append(hex[0xc0 | (ch >> 6)]);
        sbuf.append(hex[0x80 | (ch & 0x3F)]);
      }
      else
      {         // 0x7FF < ch <= 0xFFFF
        sbuf.append(hex[0xe0 | (ch >> 12)]);
        sbuf.append(hex[0x80 | ((ch >> 6) & 0x3F)]);
        sbuf.append(hex[0x80 | (ch & 0x3F)]);
      }
    }
    return sbuf.toString();
  }