CtrlNet.java

package es.pirata.extra;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;

import org.apache.http.util.ByteArrayBuffer;

import android.util.Log;
import android.widget.ProgressBar;


public class CtrlNet {

	private static String webUrlProxy = "http://m.pirata.cat/request/proxyJsonMobile.php";
	
	private static CtrlNet INSTANCE = null;
	
	public static CtrlNet getInstance() {
		if (INSTANCE == null) {
			INSTANCE = new CtrlNet();
		}
		return INSTANCE;
	}
	
	public void update(ProgressBar pb) throws Exception {
		if (CtrlDb.getInstance().startUpdate()) {
			String url, body;
			url = webUrlProxy+"?rss&lang=es";
			body = downloadBody(url);
			pb.setProgress(50);
			CtrlFile.getInstance().saveFile("rss", body);
			pb.setProgress(100);
			CtrlDb.getInstance().endUpdate();
		}
	}
	
	
	
	// ----- PRIVATE

	private String downloadBody(String urlString) {
    	Log.d("downloadBody", urlString);
		try {
			URL myURL = new URL(urlString);
			URLConnection ucon = myURL.openConnection();
			ucon.setConnectTimeout(10000);
			InputStream is = ucon.getInputStream();
			BufferedInputStream bis = new BufferedInputStream(is, 65535);
			ByteArrayBuffer baf = new ByteArrayBuffer(65535);
			int current = 0;
			while((current = bis.read()) != -1) {
				baf.append((byte)current);
			}
			return new String(baf.toByteArray());
		} catch (IOException e) {
			e.printStackTrace();
			return new String();
		}
	}
}