How to use

encodeUrl

method

in

org.jasig.cas.client.validation.Cas20ServiceTicketValidator

/**
 * Adds the pgtUrl to the list of parameters to pass to the CAS server.
 *
 * @param urlParameters the Map containing the existing parameters to send to the server.
 */
protected final void populateUrlAttributeMap(final Map urlParameters) {
  urlParameters.put("pgtUrl", encodeUrl(this.proxyCallbackUrl));
}