Android Open Source - WhatsUp Session Test

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License

The source code is released under:

GNU General Public License

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Java Source Code

package nu.placebo.whatsup.network;
/* ww  w. ja  v a2  s .c  o m*/
import java.io.IOException;

import nu.placebo.whatsup.constants.Constants;
import nu.placebo.whatsup.model.SessionInfo;

import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.ResponseHandler;
import org.apache.http.impl.client.BasicResponseHandler;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

/**
 * 
 * This class tests whether a session is active or if the user needs to log in
 * again.
 * 
 */

public class SessionTest extends AbstractNetworkOperation<SessionInfo> {

  private SessionInfo sessionInfo;

  public SessionTest(SessionInfo sessionInfo) {
    this.sessionInfo = sessionInfo;
  }

  public OperationResult<SessionInfo> execute() {
    HttpResponse response = NetworkCalls.performPostRequest(
        Constants.API_URL + "system/connect.json", null, sessionInfo);
    ResponseHandler<String> handler = new BasicResponseHandler();
    String result = null;
    try {
      result = handler.handleResponse(response);
    } catch (ClientProtocolException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }
    boolean hasErrors = this.parseResult(result);
    if (response != null) {
      if (hasErrors) {
        sessionInfo = null;
      }
      return new OperationResult<SessionInfo>(hasErrors,
          response.getStatusLine().getStatusCode(), response
              .getStatusLine().getReasonPhrase(), sessionInfo,
          Action.TEST_SESSION);
    } else {
      return new OperationResult<SessionInfo>(hasErrors,
          0, "Problems with the network", null, Action.TEST_SESSION);
    }
  }

  private boolean parseResult(String result) {
    boolean hasErrors = true;
    if (result != null) {
      try {
        JSONObject json = new JSONObject(result);
        int uid = json.getJSONObject("user").getInt("uid");
        if (uid != 0) {
          hasErrors = false;
          Log.w("WhatsUp", "Session " + sessionInfo.getSessionName()
              + " is valid");
        }

      } catch (JSONException e) {
        Log.w("WhatsUp", "Session " + sessionInfo.getSessionName()
            + " is invalid");
        e.printStackTrace();
      }
    }
    return hasErrors;
  }

}

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