private void handleKeyValue()

in src/main/java/com/twitter/joauth/OAuthParams.java [176:227]
45 lines of code
23 McCabe index (conditional complexity)

    private void handleKeyValue(String key, String value, boolean fromHeader) {

      // TODO: This needs clean up. replace the if/else with enum/map-lookup
      // Known keys can be in an enum, and parser can be updated to point to these keys, instead of creating a new key string.

      // empty values for these keys are swallowed
      if(BEARER_TOKEN.equals(key)) {
        if (fromHeader && notEmpty(value)) {
          v2Token = value;
        }
      } else if (CLIENT_ID.equals(key)) {
        if(fromHeader && notEmpty(value)) {
          consumerKey = value;
        }
      } else if (OAUTH_TOKEN.equals(key)) {
        if (value != null) {
          token = value.trim();
        }
      } else if (OAUTH_CONSUMER_KEY.equals(key)) {
        if (notEmpty(value)) {
          consumerKey = value;
        }
      } else if (OAUTH_NONCE.equals(key)) {
        if (notEmpty(value)) {
          nonce = value;
        }
      } else if (OAUTH_TIMESTAMP.equals(key)) {
        Long timestamp = helper.parseTimestamp(value);
        if (timestamp != null) {
          timestampSecs = timestamp;
          timestampStr = value;
        }
      } else if (OAUTH_SIGNATURE.equals(key)) {
        if (notEmpty(value)) {
          signature = helper.processSignature(value);
        }
      } else if (OAUTH_SIGNATURE_METHOD.equals(key)) {
        if (notEmpty(value)) {
          signatureMethod = value;
        }
      } else if (OAUTH_VERSION.equals(key)) {
        if (notEmpty(value)) {
          version = value;
        }
      } else if (key.startsWith("oauth_")) {
           // send oauth_prefixed to a uniquekey handler
           otherOAuthParamsHandler.handle(key, value);
      } else {
        // send other params to the handler, but only if they didn't come from the header
        if (!fromHeader) paramsHandler.handle(key, value);
      }
    }