CtrlJson.java

package es.pirata.extra;

import java.util.Comparator;
import java.util.SortedSet;
import java.util.TreeSet;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class CtrlJson {
	
	private static CtrlJson INSTANCE = null;
	
	public static CtrlJson getInstance() {
		if (INSTANCE == null) {
			INSTANCE = new CtrlJson();
		}
		return INSTANCE;
	}
	
	public SortedSet<StrRss> getRSS() {
		SortedSet<StrRss> ssRss = new TreeSet<StrRss>(new MyComparator_pubDate());
		try {
			String content = CtrlFile.getInstance().readFile("rss");
			JSONObject json = new JSONObject(content);
			JSONArray entry = json.toJSONArray(json.names());
				
			for (int i=0; i < entry.length(); i++) {
				StrRss rss = new StrRss();
				rss.id = entry.getJSONObject(i).getInt("id");
				rss.link = entry.getJSONObject(i).getString("link");
				rss.pubDate = entry.getJSONObject(i).getString("pubDate");
				rss.title = entry.getJSONObject(i).getString("title");
				ssRss.add(rss);
			}
		} catch (JSONException e) {
			e.printStackTrace();
		}
		return ssRss;
	}

	
	// ----- PRIVATE
	// rss
	private class MyComparator_pubDate implements Comparator<StrRss> {
		public int compare(StrRss a, StrRss b) {
			String aStr = a.pubDate;
			String bStr = b.pubDate;
			return bStr.compareTo(aStr);
		}
	}
}