com.phonty.improved.Balance.java Source code

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Here is the source code for com.phonty.improved.Balance.java

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/*
 * Copyright (C) 2012 PhontyCom - Belize
 * 
 * This file is part of Phonty(http://www.phonty.com/android)
 * 
 * Phonty is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This source code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this source code; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package com.phonty.improved;

import java.io.BufferedReader;
import java.io.IOException;
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.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.CookieStore;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.BasicCookieStore;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.CoreProtocolPNames;
import org.apache.http.protocol.HTTP;
import org.json.JSONObject;

import android.content.Context;

/* Class for getting current account balance value from main server;
* 
* Example of usage:
* Balance balance = new Balance(String api_url)
* balance.get()
* balance.VALUE - Received balance value; */

public class Balance {
    private static String APIURL;
    String VALUE = "0";
    static HttpPost httppost = new HttpPost();
    static DefaultHttpClient client;
    static Context context;

    public Balance(String url, Context _context) {
        context = _context;
        APIURL = url;
        httppost = new HttpPost(APIURL);
        BasicHttpParams params = new BasicHttpParams();
        SchemeRegistry schemeRegistry = new SchemeRegistry();
        schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
        final SSLSocketFactory sslSocketFactory = SSLSocketFactory.getSocketFactory();
        schemeRegistry.register(new Scheme("https", sslSocketFactory, 4711));
        ClientConnectionManager cm = new ThreadSafeClientConnManager(params, schemeRegistry);
        client = new PhontyHttpClient(cm, params, context);
        client.getParams().setParameter(CoreProtocolPNames.USER_AGENT, "Phonty-Android-Client");
    }

    private static String Parse(String response) {
        String value = "";
        try {
            JSONObject jsonObject = new JSONObject(response.toString());
            value = jsonObject.getString("balance");
        } catch (Exception e) {
            e.printStackTrace();
        }
        return value;
    }

    public String get() {
        StringBuilder builder = new StringBuilder();
        String value = "0";

        CookieStore cookieStore = new BasicCookieStore();
        cookieStore.addCookie(Login.SESSION_COOKIE);
        client.setCookieStore(cookieStore);

        try {
            String locale = context.getResources().getConfiguration().locale.getCountry();
            List<NameValuePair> nvps = new ArrayList<NameValuePair>();
            nvps.add(new BasicNameValuePair("locale", locale));
            httppost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
            HttpResponse response = client.execute(httppost);

            StatusLine statusLine = response.getStatusLine();
            int statusCode = statusLine.getStatusCode();
            if (statusCode == 200) {
                HttpEntity entity = response.getEntity();
                InputStream content = entity.getContent();
                BufferedReader reader = new BufferedReader(new InputStreamReader(content));
                String line;
                while ((line = reader.readLine()) != null) {
                    builder.append(line);
                    value = Parse(line);
                    this.VALUE = value;
                }
            } else {
                this.VALUE = "0.0";
            }

        } catch (ClientProtocolException e) {
            this.VALUE = "0.0";
            e.printStackTrace();
        } catch (IOException e) {
            this.VALUE = "0.0";
            e.printStackTrace();
        }

        return value;
    }

    public String value() {
        return this.VALUE;
    }
}