Android Open Source - noughts-and-crosses-android Remote Database

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License

The source code is released under:

MIT License

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Java Source Code

package com.JamesWhite.NoughtsAndCrosses;
//  w ww .j av a 2 s  .  com
/**
 * RemoteDatabase Handles posting remote scores and retrieving them
 * 
 * @author James White
 */

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
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.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.json.JSONArray;
import org.json.JSONException;

import android.util.Log;

public class RemoteDatabase {
  
  /**
   * getJSONArray
   * 
   * @return JSONArray
   */
  public JSONArray getJSONArray() {

    InputStream input = null;
    String result = "";
    JSONArray jsonArray = null;

    // Try to retrieve the score using a HTTP post request
    try {

      HttpClient httpclient = new DefaultHttpClient();
      HttpPost httppost = new HttpPost(
          "http://jamesrwhite.co.uk/uni/programming/noughtsandcrosses/scores/GET/");
      List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(1);
      nameValuePairs.add(new BasicNameValuePair("app_secret",
          "61e059ec522ad650c96a5f0efef57e70"));
      httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
      HttpResponse response = httpclient.execute(httppost);
      HttpEntity entity = response.getEntity();
      input = entity.getContent();

    }

    catch (Exception e) {

      Log.e("log_tag", "Error in http connection " + e.toString());

    }

    // convert response to string
    try {

      BufferedReader reader = new BufferedReader(new InputStreamReader(
          input, "iso-8859-1"), 8);
      StringBuilder sb = new StringBuilder();
      String line = null;

      while ((line = reader.readLine()) != null) {

        sb.append(line + "\n");

      }

      input.close();
      result = sb.toString();

    }

    catch (Exception e) {

      Log.e("log_tag", "Error converting result " + e.toString());

    }

    // try to parse the string into a JSON object
    try {

      jsonArray = new JSONArray(result);

    }

    catch (JSONException e) {

      Log.e("log_tag", "Error parsing data " + e.toString());

    }

    return jsonArray;

  }
  
  /**
   * insertScore
   * 
   * @param name
   * @param score
   * @param date
   * @return httpOutput
   */
  public String insertScore(String name, int score, int date) {

    InputStream input = null;

    // Try to send the score using a HTTP post request
    try {

      HttpClient httpclient = new DefaultHttpClient();
      HttpPost httppost = new HttpPost(
          "http://jamesrwhite.co.uk/uni/programming/noughtsandcrosses/scores/POST/");
      List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(4);
      nameValuePairs.add(new BasicNameValuePair("app_secret",
          "61e059ec522ad650c96a5f0efef57e70"));
      nameValuePairs.add(new BasicNameValuePair("name", name));
      nameValuePairs
          .add(new BasicNameValuePair("score", "" + score + ""));
      nameValuePairs.add(new BasicNameValuePair("date", "" + date + ""));
      httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
      HttpResponse response = httpclient.execute(httppost);
      HttpEntity entity = response.getEntity();
      input = entity.getContent();

      return input.toString();

    }

    catch (Exception e) {

      Log.e("log_tag", "Error in http connection " + e.toString());

      return null;
      
    }

  }

}

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