LoaderIntentService.java

package com.valles.rssreader.service;

import java.net.URL;
import java.util.ArrayList;
import java.util.Date;

import nl.matshofman.saxrssreader.RssFeed;
import nl.matshofman.saxrssreader.RssItem;
import nl.matshofman.saxrssreader.RssReader;
import android.app.IntentService;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.util.Log;

import com.valles.rssreader.R;
import com.valles.rssreader.db.RssContract.FeedsTable;
import com.valles.rssreader.db.RssDbHelper;

public class LoaderIntentService extends IntentService {

	public RssDbHelper helper = new RssDbHelper(this);
	public static final String START_LOAD = "com.valles.rssreader.START";
	public static final String SET_PROGRESS = "com.valles.rssreader.PROGRESS";
	public static final String END_LOAD = "com.valles.rssreader.END";
	static String TAG = "LoaderIntentService";

	public LoaderIntentService() {
		super(TAG);
		;
	}

	protected void onHandleIntent(Intent intent) {
		Resources res = this.getResources();
		String URLS[] = res.getStringArray(R.array.URLS);
		
		URL url;		
		int progress = intent.getIntExtra("progress", 0);
		int Rprogress = 0;
		
		if (CheckLastTime()) {
			for (int i = 0; URLS.length>i ;i++) {
				try {
					url = new URL(URLS[i].toString());
					RssFeed feed = RssReader.read(url);
					ArrayList<RssItem> rssItems = feed.getRssItems();
	
					SendBCI(START_LOAD, rssItems.size(), 0, URLS[i].toString());
	
					for (RssItem rssItem : rssItems) {
						if (CheckItem(rssItem.getPubDate().toGMTString())) {

							ContentValues values = new ContentValues();
							values.put(FeedsTable.TITLE, rssItem.getTitle());
							values.put(FeedsTable.PUB_DATE, rssItem.getPubDate().toGMTString());
							values.put(FeedsTable.DESCRIPTION,rssItem.getDescription());
							values.put(FeedsTable.CONTENT, rssItem.getContent());
							values.put(FeedsTable.AUTOR, "Francho Joven");
							values.put(FeedsTable.CATEGORY, "Programacion");
							values.put(FeedsTable.URL, rssItem.getLink());

							final SQLiteDatabase WDB = helper.getWritableDatabase();
							WDB.insert(FeedsTable.TABLE_NAME, null, values);
							WDB.close();
							Rprogress++;
						}
						progress++;
						SendBCI(SET_PROGRESS, 0, progress, null);
					}							
				}catch (Exception e) { Log.d(TAG,"Error " + e + " al conectar con "+ URLS[i].toString()); }
			}
		}
		SendBCI(END_LOAD, 0, Rprogress, null);
	}

	public void onCreate() {
		super.onCreate();
	}

	public void onDestroy() {
		super.onDestroy();
	}

	public void SendBCI(String MSG, int set_max, int progress,String url) {

		Intent BroadCastIntent = new Intent();
		BroadCastIntent.setAction(MSG);
		BroadCastIntent.putExtra("set_max", set_max);
		BroadCastIntent.putExtra("progress", progress);
		BroadCastIntent.putExtra("url", url);
		
		sendBroadcast(BroadCastIntent);
	}

	public boolean CheckItem(String pub_date) {
		final SQLiteDatabase RDB = helper.getReadableDatabase();
		Cursor cursor = null;
		String sql = "SELECT " + FeedsTable.PUB_DATE + " FROM "
				+ FeedsTable.TABLE_NAME + " WHERE " + FeedsTable.PUB_DATE + "="
				+ "'" + pub_date + "'";
		
		cursor = RDB.rawQuery(sql, null);

		if (cursor.moveToFirst()) {
			RDB.close();
			return false;
		} else {
			RDB.close();
			return true;
		}
	}

	public boolean CheckLastTime() {
		SharedPreferences Preferences = getSharedPreferences("Preferencias",Context.MODE_PRIVATE);
		Long LastTime = Preferences.getLong("LastTime", 0);
		Date date = new Date();

		if ((LastTime + 100000) > date.getTime()) {
			return false;
		} else {
			SharedPreferences.Editor editor = Preferences.edit();
			editor.putLong("LastTime", date.getTime());
			editor.commit();
			return true;
		}
	}
}