Android Open Source - socialcde4android Retrieve Services_ Operation

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License

The source code is released under:

MIT License

Java Source Code

package it.uniba.socialcde4android.data.operation;
// www. ja v a 2s . co m

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.HttpURLConnection;
import java.net.URL;

import android.content.Context;
import android.os.Bundle;
import android.util.Log;

import it.uniba.socialcde4android.config.Config;
import it.uniba.socialcde4android.costants.Consts;
import it.uniba.socialcde4android.costants.Error_consts;
import it.uniba.socialcde4android.preferences.Preferences;
import it.uniba.socialcde4android.shared.library.WService;

import com.foxykeep.datadroid.exception.ConnectionException;
import com.foxykeep.datadroid.exception.CustomRequestException;
import com.foxykeep.datadroid.exception.DataException;
import com.foxykeep.datadroid.requestmanager.Request;
import com.foxykeep.datadroid.service.RequestService.Operation;
//import com.google.gson.Gson;
import com.google.gson.Gson;

public class RetrieveServices_Operation implements Operation {

  private static final String TAG = RetrieveServices_Operation.class.getSimpleName();

  @Override
  public Bundle execute(Context context, Request request)
      throws ConnectionException, DataException, CustomRequestException {

    String userName = request.getString(Preferences.USERNAME);
    String password = request.getString(Preferences.PASSWORD);
    String host = request.getString(Preferences.PROXYSERVER) + "/SocialTFSProxy.svc";
    int status =0;
    WService[] wservice = null;
    try {
      URL url = new URL(host + "/GetServices");
      HttpURLConnection conn = (HttpURLConnection) url.openConnection();
      conn.setConnectTimeout(Config.CONN_TIMEOUT_MS);
      conn.setReadTimeout(Config.READ_TIMEOUT_MS);
      conn.setRequestMethod("POST");
      conn.setDoOutput(true);
      conn.setDoInput(true);
      conn.setUseCaches(false);
      conn.setAllowUserInteraction(false);
      conn.setRequestProperty("Content-Type", "application/json");

      // Create the form content
      OutputStream out = conn.getOutputStream();
      Writer writer = new OutputStreamWriter(out, "UTF-8");
      writer.write("{ \"username\":\"" + userName + "\", \"password\":\""
          + password + "\"}");

      writer.close();
      out.close();
      status = conn.getResponseCode();
      if (status >= 200 && status <= 299) {
        InputStreamReader in = new InputStreamReader(
            conn.getInputStream());
        BufferedReader br = new BufferedReader(in);
        String output;
        String result = "";
        while ((output = br.readLine()) != null) {
          result += output;

        }
        br.close();

        wservice = new WService[countOccurrences(result, '{')];
        Gson gson = new Gson();
        wservice = gson.fromJson(result, WService[].class);
      }else{
        throw new ConnectionException  ("Error retrieving services", Error_consts.ERROR_RETRIEVING_SERVICES);    

      }

      conn.disconnect();
    } catch(java.net.SocketTimeoutException e) {
      throw new ConnectionException  ("Error retrieving services", Error_consts.ERROR_RETRIEVING_SERVICES * Error_consts.TIMEOUT_FACTOR);    
    }  catch (Exception e) {
      
      throw new ConnectionException  ("Error retrieving services", Error_consts.ERROR_RETRIEVING_SERVICES);    
    }

    Bundle bundle = new Bundle();
    for (int i=0; i < wservice.length; i++){
      Log.i("wservice", wservice[i].toString());
    }

    if (wservice != null && wservice.length>0){
      bundle.putParcelableArray(Consts.WSERVICES, wservice);
      bundle.putBoolean(Consts.FOUND_WSERVICES, true);
    }else{
      bundle.putBoolean(Consts.FOUND_WSERVICES, false);
    }
    bundle.putInt(Consts.REQUEST_TYPE, Consts.REQUESTTYPE_RETRIEVESERVICES);
    return bundle;

  }


  private static int countOccurrences(String haystack, char needle) {
    int count = 0;
    for (int i = 0; i < haystack.length(); i++) {
      if (haystack.charAt(i) == needle) {
        count++;
      }
    }

    if (count == 0) {
      count += 1;
    }

    return count;
  }

}

Java Source Code List

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