it.unicaradio.android.tasks.DownloadCaptchaAsyncTask.java Source code

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Here is the source code for it.unicaradio.android.tasks.DownloadCaptchaAsyncTask.java

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/**
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; version 2 of the License.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA 02111-1307 USA
 * 
 * Copyright UnicaRadio
 */
package it.unicaradio.android.tasks;

import it.unicaradio.android.enums.Error;
import it.unicaradio.android.models.Response;
import it.unicaradio.android.utils.NetworkUtils;

import java.io.IOException;

import org.apache.http.HttpException;
import org.apache.http.client.ClientProtocolException;
import org.json.JSONException;
import org.json.JSONObject;

import android.content.Context;
import android.util.Log;

/**
 * @author Paolo Cortis
 */
public class DownloadCaptchaAsyncTask extends BlockingAsyncTaskWithResponse<String> {
    private static final String WEB_SERVICE = "http://www.unicaradio.it/regia/test/unicaradio-mail/endpoint.php";

    private static final String TAG = DownloadCaptchaAsyncTask.class.getName();

    /**
     * @param context
     */
    public DownloadCaptchaAsyncTask(Context context) {
        super(context);

        setDialogTitle("CAPTCHA");
        setDialogMessage("Generazione CAPTCHA in corso...");
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected Response<String> doInBackground(Void... params) {
        try {
            JSONObject request = new JSONObject();
            request.put("method", "getCaptcha");
            byte[] postData = request.toString().getBytes();

            Response<String> response = new Response<String>();
            byte[] resultBytes = NetworkUtils.httpPost(WEB_SERVICE, postData, "application/json");

            String resultString = new String(resultBytes);
            Log.d(TAG, "Got CAPTCHA answer: " + resultString);
            JSONObject resultJSON = new JSONObject(resultString);
            response.setResult(resultJSON.getString("result"));

            return response;
        } catch (ClientProtocolException e) {
            Log.e(TAG, e.getMessage(), e);
            return new Response<String>(Error.INTERNAL_GENERIC_ERROR);
        } catch (IOException e) {
            Log.e(TAG, e.getMessage(), e);
            return new Response<String>(Error.INTERNAL_DOWNLOAD_ERROR);
        } catch (HttpException e) {
            Log.e(TAG, e.getMessage(), e);
            return new Response<String>(Error.INTERNAL_GENERIC_ERROR);
        } catch (JSONException e) {
            Log.e(TAG, e.getMessage(), e);
            return new Response<String>(Error.INTERNAL_GENERIC_ERROR);
        }
    }
}