UpdateLastestDataTask.java

package com.ved.musicmapapp.providers;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.HTTP;

import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.util.Log;

import com.ved.musicmapapp.utils.Statics;

public class UpdateLastestDataTask extends MyTask{

	private Activity activity;
	private String fbid;
	
	private SharedPreferences prefs;
    private Editor edt;
	
	public UpdateLastestDataTask(Activity activity) {
		Log.i("check","In UpdateLatestDataTask");

		this.activity = activity;
		
		prefs = activity.getSharedPreferences("MUSIC_MAP", Context.MODE_PRIVATE);
        edt = prefs.edit();
        
        this.fbid = prefs.getString("FB_ID", "");
        
        TAG = "UpdateLastestDataTask";
	}
	
	@Override
	protected String doInBackground(Object... params) {
		try{
			if(!Statics.isNetworkConnected(activity)){
				return null;
			}
			HttpParams httpParameters = new BasicHttpParams();
			int timeoutConnection = 20000;
			HttpConnectionParams.setConnectionTimeout(httpParameters,
					timeoutConnection);
			int timeoutSocket = 20000;
			HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
			HttpClient httpclient = new DefaultHttpClient(httpParameters);
			HttpPost httppost = new HttpPost(Statics.WS_PATH + "getAllUsers.php");
			List <NameValuePair> nvps = new ArrayList <NameValuePair>();
			nvps.add(new BasicNameValuePair("fbid", fbid));
			httppost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
			
	     	HttpResponse response = httpclient.execute(httppost);
	     	
	     	
	     	HttpEntity entity = response.getEntity();
        	if (entity != null) {
               //get the response content as a string
        		InputStream instream = entity.getContent();
        		BufferedReader reader = new BufferedReader(new InputStreamReader(instream, "UTF-8"));
        		String line;
				StringBuilder sb = new StringBuilder("");
				while ((line = reader.readLine()) != null) {
	                sb.append(line + "\n");
	            }
				
				
				edt.putString("LAST_DATA", sb.toString().trim());
				edt.commit();
				
        	}
		} catch (UnsupportedEncodingException e1) {
			Log.e("Exception", "" + e1.getMessage());
			return e1.getMessage();
			//e1.printStackTrace();
		} catch (ClientProtocolException e1) {
			Log.e("ClientProtocolException", "" + e1.getMessage());
			return e1.getMessage();
			//e1.printStackTrace();
		} catch (IOException e1) {
			Log.e("IOException", "" + e1.getMessage());
			e1.printStackTrace();
			return e1.getMessage();
			
		} 
		return "OK";
	}
}