package org.codeforamerica.open311.facade;

 import java.net.URL;

 import java.util.Map;

 import org.codeforamerica.open311.facade.exceptions.APIWrapperException;

 import org.codeforamerica.open311.internals.caching.Cache;

 import org.codeforamerica.open311.internals.network.NetworkManager;

 import org.codeforamerica.open311.internals.parsing.DataParser;

 /**

  * Some endpoints return invalid characters in its XML response. Instances of

  * this class will parse those responses and clear the invalid characters.

  * 

  * @author Santiago Munín <santimunin@gmail.com>

  * 

  */

 public class InvalidXMLWrapper extends APIWrapper {

         InvalidXMLWrapper(String endpointUrl, Format format, EndpointType type,

                         DataParser dataParser, NetworkManager networkManager, Cache cache,

                         String jurisdictionId, String apiKey) {

                 super(endpointUrl, format, type, dataParser, networkManager, cache,

                                 jurisdictionId, apiKey);

         }

         /**

          * GET operation. Calls {@link #sanitizeOutput(String)} right after

          * receiving the response.

          */

         @Override

         protected String networkGet(URL url) throws APIWrapperException {

                 return sanitizeOutput(super.networkGet(url));

         }

         /**

          * POST operation. Calls {@link #sanitizeOutput(String)} right after

          * receiving the response.

          */

         @Override

         protected String networkPost(URL url, Map<String, String> parameters)

                         throws APIWrapperException {

                 return sanitizeOutput(super.networkPost(url, parameters));

         }

         /**

          * Skips invalid characters.

          * 

          * @param response

          *            Received response.

          * @return Same string without the invalid characters.

          */

         private String sanitizeOutput(String response) {

                 return response.replace("\u0010", "");

         }

 }