Method encodeInternal

core/src/main/java/feign/template/UriUtils.java:111–141

Encodes the value, preserving all reserved characters.. Values that are already pct-encoded are ignored. @param value inspect. @param charset to use. @return a new String with the reserved characters preserved.

(
      String value, Charset charset, boolean allowReservedCharacters)

   * @return a new String with the reserved characters preserved.
   */
  public static String encodeInternal(
      String value, Charset charset, boolean allowReservedCharacters) {
    /* value is encoded, we need to split it up and skip the parts that are already encoded */
    Matcher matcher = PCT_ENCODED_PATTERN.matcher(value);

    if (!matcher.find()) {
      return encodeChunk(value, charset, true);
    }

    int length = value.length();
    StringBuilder encoded = new StringBuilder(length + 8);
    int index = 0;
    do {
      /* split out the value before the encoded value */
      String before = value.substring(index, matcher.start());

      /* encode it */
      encoded.append(encodeChunk(before, charset, allowReservedCharacters));

      /* append the encoded value */
      encoded.append(matcher.group());

      /* update the string search index */
      index = matcher.end();
    } while (matcher.find());

    /* append the rest of the string */
    String tail = value.substring(index, length);
    encoded.append(encodeChunk(tail, charset, allowReservedCharacters));
    return encoded.toString();
  }

  /**
   * Encode a Uri Chunk, ensuring that all reserved characters are also encoded.