Android Open Source - MassRoute Route List Task






From Project

Back to project page MassRoute.

License

The source code is released under:

Copyright (c) 2010 Todd Anderson http://www.custardbelly.com/blog Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (th...

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Java Source Code

package com.custardbelly.massdot.service;
/*  w w w  . j av  a 2s .co  m*/
import java.lang.ref.WeakReference;
import java.net.URL;
import java.util.List;

import android.os.AsyncTask;

import com.custardbelly.massdot.exception.MassRouteParserException;
import com.custardbelly.massdot.model.Route;
import com.custardbelly.massdot.parser.IRouteParser;
import com.custardbelly.massdot.parser.RouteParser;
import com.custardbelly.massdot.service.responder.IRoutesServiceResponder;

public class RouteListTask extends AsyncTask<URL, Integer, Long> implements IQueueableTask
{
  private List<Route> _routes;
  private String _errorMessage;
  private WeakReference<IRoutesServiceResponder> _responder;
  private WeakReference<IQueueableTaskResponder> _queuedResponder;
  
  public RouteListTask( IRoutesServiceResponder responder )
  {
    _responder = new WeakReference<IRoutesServiceResponder>( responder );
  }
  
  public RouteListTask( IRoutesServiceResponder responder, IQueueableTaskResponder queuedResponder )
  {
    _responder = new WeakReference<IRoutesServiceResponder>( responder );
    _queuedResponder = new WeakReference<IQueueableTaskResponder>( queuedResponder );
  }
  
  @Override
  protected Long doInBackground(URL... urls) {
    URL serviceUrl = urls[0];
    final IRouteParser parser = new RouteParser( serviceUrl );
    try
    {
      _routes = parser.parse();
    }
    catch( MassRouteParserException e )
    {
      _errorMessage = e.getMessage();
    }
    return null;
  }
  
  @Override
  protected void onPostExecute( Long result )
  {
    final IRoutesServiceResponder serviceResponder = getResponder();
    final IQueueableTaskResponder taskResponder = getQueueableResponder();
    if( _routes != null )
    {
      serviceResponder.handleServiceResult( _routes );
      if( taskResponder != null ) taskResponder.handleQueueableTaskResult();
    }
    else
    {
      // TODO: pull default message from resource.
      String message = ( _errorMessage != null ) ? _errorMessage : "Could not retrieve routes available.\nPlease try again at a later time."; 
      serviceResponder.handleServiceFault( message );
      if( taskResponder != null ) taskResponder.handleQueueableTaskFault();
    }
    _routes = null;
    _errorMessage = null;
    _responder = null;
    _queuedResponder = null;
  }
  
  public IRoutesServiceResponder getResponder()
  {
    return _responder.get();
  }
  public void setResponder( IRoutesServiceResponder responder )
  {
    _responder = new WeakReference<IRoutesServiceResponder>( responder );
  }
  
  public IQueueableTaskResponder getQueueableResponder()
  {
    return _queuedResponder.get();
  }
  public void setQueuedResponder( IQueueableTaskResponder responder )
  {
    _queuedResponder = new WeakReference<IQueueableTaskResponder>( responder );
  }
}




Java Source Code List

com.custardbelly.massdot.MassRoute.java
com.custardbelly.massdot.enumeration.ActivityResultType.java
com.custardbelly.massdot.enumeration.ActivityViewType.java
com.custardbelly.massdot.enumeration.IntentExtraType.java
com.custardbelly.massdot.exception.MassRouteParserException.java
com.custardbelly.massdot.model.MassRouteModel.java
com.custardbelly.massdot.model.RouteConfig.java
com.custardbelly.massdot.model.RouteDirection.java
com.custardbelly.massdot.model.RouteSearchContentProvider.java
com.custardbelly.massdot.model.RouteStop.java
com.custardbelly.massdot.model.Route.java
com.custardbelly.massdot.model.StopPrediction.java
com.custardbelly.massdot.model.StoredStopRequest.java
com.custardbelly.massdot.model.StoredStopRequests.java
com.custardbelly.massdot.parser.IRouteConfigParser.java
com.custardbelly.massdot.parser.IRouteParser.java
com.custardbelly.massdot.parser.IStopPredictionsParser.java
com.custardbelly.massdot.parser.RouteConfigParser.java
com.custardbelly.massdot.parser.RouteParser.java
com.custardbelly.massdot.parser.StopPredictionsParser.java
com.custardbelly.massdot.parser.handler.MassRouteServiceParserHandler.java
com.custardbelly.massdot.service.IMassRouteService.java
com.custardbelly.massdot.service.IPreferenceService.java
com.custardbelly.massdot.service.IQueueableTaskResponder.java
com.custardbelly.massdot.service.IQueueableTask.java
com.custardbelly.massdot.service.IServiceTaskQueue.java
com.custardbelly.massdot.service.MassRouteService.java
com.custardbelly.massdot.service.PreferenceService.java
com.custardbelly.massdot.service.RouteConfigTask.java
com.custardbelly.massdot.service.RouteListTask.java
com.custardbelly.massdot.service.ServiceTaskQueue.java
com.custardbelly.massdot.service.StopPredictionTask.java
com.custardbelly.massdot.service.responder.IMassRouteServiceResponder.java
com.custardbelly.massdot.service.responder.IRoutesConfigServiceResponder.java
com.custardbelly.massdot.service.responder.IRoutesServiceResponder.java
com.custardbelly.massdot.service.responder.IStopPredictionsServiceResponder.java
com.custardbelly.massdot.view.MassRouteServiceView.java
com.custardbelly.massdot.view.RouteDirectionView.java
com.custardbelly.massdot.view.RouteListView.java
com.custardbelly.massdot.view.RouteStopsView.java
com.custardbelly.massdot.view.StopPredictionsView.java
com.custardbelly.massdot.view.adapter.RouteAdapter.java
com.custardbelly.massdot.view.adapter.RouteDirectionAdapter.java
com.custardbelly.massdot.view.adapter.RouteStopsAdapter.java
com.custardbelly.massdot.view.adapter.StopPredictionsAdapter.java
com.custardbelly.massdot.view.adapter.StoredStopRequestsAdapter.java