Untitled

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import org.json.JSONException;
import org.json.JSONObject;
import org.restlet.Client;
import org.restlet.Request;
import org.restlet.Response;
import org.restlet.data.ChallengeResponse;
import org.restlet.data.ChallengeScheme;
import org.restlet.data.CharacterSet;
import org.restlet.data.Method;
import org.restlet.data.Protocol;
import org.restlet.data.Status;
import org.restlet.ext.json.JsonRepresentation;
import org.restlet.representation.Representation;
import org.restlet.resource.ResourceException;

import com.jsontest.Definitions;

public class DeviceHandler {

  public static Representation represent(Device device)
      throws ResourceException {
    JSONObject json = new JSONObject();

    try {
      json.put("caption", device.getName());
      json.put("type", device.getType().name());

    } catch (JSONException e) {
      e.printStackTrace();
      throw new ResourceException(Status.SERVER_ERROR_INTERNAL);
    }
    JsonRepresentation jr = new JsonRepresentation(json);
    jr.setCharacterSet(CharacterSet.UTF_8);
    return jr;
  }

  public static void saveDevice(Device device) {
    // - Device:
    // |- String title: "Test Desktop"
    // |- String id: "foobar123456"
    // |- Enum type: "desktop"

    try {
      Client client = new Client(Protocol.HTTP);

      Request request = new Request(Method.POST,
          Definitions.gpodder_url_root
              + "/api/2/devices/"
              + URLEncoder.encode(Definitions.gpodder_username,
                  Definitions.encoding)
              + "/"
              + URLEncoder.encode(device.getId(),
                  Definitions.encoding) + ".json",
          represent(device));     // (method, uri, content)

      ChallengeResponse authentication = new ChallengeResponse(
          ChallengeScheme.HTTP_BASIC, Definitions.gpodder_username,
          Definitions.gpodder_password);
      request.setChallengeResponse(authentication);

      Response response = client.handle(request);
      System.out.println("Entity: #########################\n"
          + request.getEntityAsText() + "\n");
      System.out.println("Response: #######################\n"
          + response.getEntity().getText() + "\n");

    } catch (UnsupportedEncodingException e) {
      e.printStackTrace();
    } catch (ResourceException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }

    // ####### Resulting console output #######
    //
    // Entity: #########################
    // {"caption":"Test Desktop","type":"desktop"}
    //
    // Response: #######################
    // <?xml version="1.0" encoding="iso-8859-1"?>
    // <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    // "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    // <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
    // <head>
    // <title>411 - Length Required</title>
    // </head>
    // <body>
    // <h1>411 - Length Required</h1>
    // </body>
    // </html>
    //
  }
}