RocketDetailLoader.java

package com.darkrockstudios.apps.tminus.loaders;

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

import com.darkrockstudios.apps.tminus.database.DatabaseHelper;
import com.darkrockstudios.apps.tminus.database.tables.RocketDetail;
import com.j256.ormlite.android.apptools.OpenHelperManager;
import com.j256.ormlite.dao.Dao;

import java.sql.SQLException;

/**
 * Created by adam on 7/21/13.
 * Dark Rock Studios
 * darkrockstudios.com
 */
public class RocketDetailLoader extends AsyncTask<Integer, Void, RocketDetail>
{
	private static final String TAG = RocketDetailLoader.class.getSimpleName();

	private Context                     m_context;
	private RocketDetailLoader.Listener m_listener;
	private int                         m_rocketId;

	public RocketDetailLoader( Context context, RocketDetailLoader.Listener listener )
	{
		m_context = context;
		m_listener = listener;
	}

	@Override
	protected RocketDetail doInBackground( Integer[] ids )
	{
		RocketDetail rocketDetail = null;

		m_rocketId = ids[ 0 ];

		if( m_context != null )
		{
			final DatabaseHelper databaseHelper = OpenHelperManager.getHelper( m_context, DatabaseHelper.class );
			if( databaseHelper != null )
			{
				try
				{
					Dao<RocketDetail, Integer> rocketDetailDao = databaseHelper.getDao( RocketDetail.class );
					rocketDetail = rocketDetailDao.queryForId( m_rocketId );
				}
				catch( SQLException e )
				{
					e.printStackTrace();
				}

				OpenHelperManager.releaseHelper();
			}
		}

		return rocketDetail;
	}

	@Override
	protected void onPostExecute( RocketDetail result )
	{
		if( result != null )
		{
			Log.d( TAG, "RocketDetail loaded." );
			m_listener.rocketDetailLoaded( result );
		}
		else
		{
			m_listener.rocketDetailMissing( m_rocketId );
		}
	}

	public static interface Listener
	{
		public void rocketDetailLoaded( RocketDetail rocketDetail );

		public void rocketDetailMissing( int rocketId );
	}
}