StatusReader/src/net/indivia/hacklabbo/statusreader/SNetwork.java

package net.indivia.hacklabbo.statusreader;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;
import android.annotation.TargetApi;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Build;
import android.os.StrictMode;
import android.util.Log;

public class SNetwork {
	public static final String LOG_TAG = "SNetwork";
	
    public static boolean isConnected(ConnectivityManager cm) {
        boolean connected = false;

        if (cm != null) {
            NetworkInfo[] netInfo = cm.getAllNetworkInfo();

            for (NetworkInfo ni : netInfo) {
            	Log.d(LOG_TAG, "type:"+ni.getTypeName()+" conn:"+ni.isConnected()
            			+" avv:"+ni.isAvailable() );
                if ((ni.getTypeName().equalsIgnoreCase("WIFI") || 
                	 ni.getTypeName().equalsIgnoreCase("MOBILE")) 
                	 && ni.isConnected() && ni.isAvailable()){
                	connected = true;
                	break;
                }
            }
        }

        return connected;
    }
    
    @TargetApi(Build.VERSION_CODES.GINGERBREAD)
	public static String GET(String uri){
    	String result = "";
    	HttpURLConnection con;
    	
		try {
			con = (HttpURLConnection) ( new URL(uri)).openConnection();
	    	try {
				con.setRequestMethod("GET");
		    	con.setDoOutput(false);
		    	try {
		    		if (android.os.Build.VERSION.SDK_INT > 9) {
		    		    StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
		    		    StrictMode.setThreadPolicy(policy);
		    		}
					con.connect();
					
					InputStream is = con.getInputStream();
		            if(is != null)
		                result = convertInputStreamToString(is);
		            else
		                result = "Did not work!";
					
					con.disconnect();
				} catch (IOException e) {
					Log.d(LOG_TAG,"no json");
					result = "Il file json non esiste";
					e.printStackTrace();
				}
			} catch (ProtocolException e1) {
				Log.d(LOG_TAG,"protocoll");
				e1.printStackTrace();
			}
		} catch (MalformedURLException e2) {
			Log.d(LOG_TAG,"Url non idoneo:"+ uri);
			result = "Manca il protocollo";
			e2.printStackTrace();
		} catch (IOException e2) {
			Log.d(LOG_TAG,"IO 2");
			e2.printStackTrace();
		}
 
        return result;
    }
 
    private static String convertInputStreamToString(InputStream inputStream) throws IOException{
    	String line = "", result = "";
    	
    	BufferedReader bufferedReader = new BufferedReader( new InputStreamReader(inputStream));
        
        while((line = bufferedReader.readLine()) != null)
            result += line;
 
        inputStream.close();
        
        return result;
    }
}