Android Open Source - Alkomer Forgotten Password Async Task

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Back to project page Alkomer.
License

The source code is released under:
MIT License
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Java Source Code

package cz.jmx.tomik.alkomer.android.threads;
/*w  w w .  j  av a  2s .  co  m*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.AsyncTask;
import android.util.Log;
import cz.jmx.tomik.alkomer.android.R;
import cz.jmx.tomik.alkomer.android.models.User;

/**
 * Alkomer - Server App
 * --------------------
 * Asks a Server for New Password (ASyncTask)
 *
 * @copyright   Copyright (c) 2011 Tomas Vitek
 * @author      Tomas Vitek ~ http://tomik.jmx.cz

 * @package     Alkomer
 * @version     1.0
 */
public class ForgottenPasswordAsyncTask extends AsyncTask<String, Void, Integer> {
  
  static final int DIALOG_ERROR = 0;
  
  protected Context context;
  protected Activity activity;
  protected ProgressDialog dialog;
  
  public ForgottenPasswordAsyncTask(Activity activity, ProgressDialog dialog) {    
    this.context = activity.getApplicationContext();
    this.activity = activity;
    this.dialog = dialog;
  }

  @Override
  protected Integer doInBackground(String... arg0) {
    
    User user = new User(arg0[0], null);    
    
    URL url = null;
        
    try {
      url = new URL("https://"+context.getResources().getString(R.integer.apiVersion)+".alko-mer.appspot.com/new-password?email="+user.getEmail()+"&hashcode="+user.hashCode());
    } catch (MalformedURLException e) {
      Log.e("ForgottenPassword Error", e.getMessage());
    }
    
        URLConnection conn = null;
        
        StringBuffer bf = new StringBuffer();
        
    try {
      conn = url.openConnection();
      BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
      String line = "";
      
      while ((line = rd.readLine()) != null) {
        bf.append(line);
      }
      
      return Integer.parseInt(bf.toString());
      
    } catch (IOException e) {
      Log.e("ForgottenPassword Error", e.getMessage());
    }
    
    return 0;
    
  }
  
  protected void onPostExecute(Integer value) {
    if (value == 1) {      
      dialog.dismiss();
      
      AlertDialog.Builder builder = new AlertDialog.Builder(activity);
        builder.setTitle("Hotovo!")
      .setMessage("Heslo bylo zm?n?no a bylo v?m zasl?no na email.")                   
      .setCancelable(false)
      .setIcon(R.drawable.simple_icon)
          .setPositiveButton("OK", new DialogInterface.OnClickListener() {
               public void onClick(DialogInterface dialog, int id) {
                 dialog.dismiss();
                 activity.finish();
               }
           });
        Dialog d = builder.create();
        d.show();      
    } else {
      AlertDialog.Builder builder = new AlertDialog.Builder(activity);
        builder.setTitle("Chyba!")
      .setMessage("P?i komunikaci se serverem do?lo k chyb?, ujist?te se, ?e m?te funk?n? internetov? p?ipojen?.")                   
      .setCancelable(false)
      .setIcon(R.drawable.simple_icon)
          .setPositiveButton("OK", new DialogInterface.OnClickListener() {
               public void onClick(DialogInterface dialog, int id) {
                 dialog.dismiss();
               }
           });
        Dialog d = builder.create();
        d.show();
      dialog.dismiss();
    }
    }
  
  protected Dialog onCreateDialog(int id) {
      Dialog dialog;
      switch(id) {
      case DIALOG_ERROR:
        AlertDialog.Builder builder = new AlertDialog.Builder(context);
        builder.setTitle("Chyba!")
            .setMessage("P?i komunikaci se serverem do?lo k chyb?, ujist?te se, ?e m?te funk?n? internetov? p?ipojen?.")                   
            .setCancelable(false)
            .setIcon(R.drawable.ic_menu_error)
                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                   public void onClick(DialogInterface dialog, int id) {
                     dialog.dismiss();
                   }
               });
        dialog = builder.create();
          break;
      default:
          dialog = null;
      }
      return dialog;
  }  

  
  
}
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