override fun shouldOverrideUrlLoading()

in facebook-common/src/main/java/com/facebook/internal/WebDialog.kt [489:544]
56 lines of code
20 McCabe index (conditional complexity)

    override fun shouldOverrideUrlLoading(view: WebView, url: String): Boolean {
      logd(LOG_TAG, "Redirect URL: $url")
      val parsedURL = Uri.parse(url)
      val isPlatformDialogURL =
          (parsedURL.path != null && Pattern.matches(PLATFORM_DIALOG_PATH_REGEX, parsedURL.path))
      if (url.startsWith(expectedRedirectUrl)) {
        val values = parseResponseUri(url)
        var error = values.getString("error")
        if (error == null) {
          error = values.getString("error_type")
        }
        var errorMessage = values.getString("error_msg")
        if (errorMessage == null) {
          errorMessage = values.getString("error_message")
        }
        if (errorMessage == null) {
          errorMessage = values.getString("error_description")
        }
        val errorCodeString = values.getString("error_code")
        var errorCode = FacebookRequestError.INVALID_ERROR_CODE
        if (errorCodeString !== null && !isNullOrEmpty(errorCodeString)) {
          errorCode =
              try {
                errorCodeString.toInt()
              } catch (ex: NumberFormatException) {
                FacebookRequestError.INVALID_ERROR_CODE
              }
        }
        if (isNullOrEmpty(error) &&
            isNullOrEmpty(errorMessage) &&
            errorCode == FacebookRequestError.INVALID_ERROR_CODE) {
          sendSuccessToListener(values)
        } else if (error != null &&
            (error == "access_denied" || error == "OAuthAccessDeniedException")) {
          cancel()
        } else if (errorCode == API_EC_DIALOG_CANCEL) {
          cancel()
        } else {
          val requestError = FacebookRequestError(errorCode, error, errorMessage)
          sendErrorToListener(FacebookServiceException(requestError, errorMessage))
        }
        return true
      } else if (url.startsWith(ServerProtocol.DIALOG_CANCEL_URI)) {
        cancel()
        return true
      } else if (isPlatformDialogURL || url.contains(DISPLAY_TOUCH)) {
        return false
      }
      // launch non-dialog URLs in a full browser
      return try {
        context.startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(url)))
        true
      } catch (e: ActivityNotFoundException) {
        false
      }
    }