SearchUserTask.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.Collections;
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 android.widget.Toast;

import com.ved.musicmapapp.Objects.User;
import com.ved.musicmapapp.utils.Statics;
import com.ved.musicmapapp.utils.UserSort;

public class SearchUserTask extends MyTask {
	public static boolean ALL_USER = true;
	public static boolean WITHOUT_FOLLOW = false;

	private Activity act;
	private String keyWord;
	private ArrayList<User> users;
	private SharedPreferences prefs;
	private Editor edt;

	public SearchUserTask(Activity act, String keyWord, ArrayList<User> users) {
		Log.i("check","In SearchUserTask");

		this.act = act;
		this.keyWord = keyWord;
		this.users = users;

		prefs = act.getSharedPreferences("MUSIC_MAP", Context.MODE_PRIVATE);
		edt = prefs.edit();

		TAG = "SearchUserTask";
	}

	@Override
	protected void onPreExecute() {
		users.clear();
	}

	@Override
	protected String doInBackground(Object... params) {
		try {
			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 + "searchUser.php");
			List<NameValuePair> nvps = new ArrayList<NameValuePair>();
			nvps.add(new BasicNameValuePair("fbid", prefs
					.getString("FB_ID", "")));
			nvps.add(new BasicNameValuePair("keyWord", keyWord));
			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");
				}

				if (isCancelled())
					return null;

				Statics.getDataFromJSON(SearchUserTask.this, sb.toString()
						.trim(), "", users, null);
			}
		} 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 null;
	}

	@Override
	protected void onPostExecute(Object result) {
		if (result != null) {
			Toast.makeText(act, result.toString(), Toast.LENGTH_LONG).show();
		} else {
			Collections.sort(users, new UserSort());
			onSuccess();
		}
	}

	public void onSuccess() {
	};
}