Java tutorial
/******************************************************************************* * Copyright (c) 2011 Jordan Thoms. * * This program 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 program 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 program. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ package biz.shadowservices.DegreesToolbox; import java.io.IOException; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.http.NameValuePair; import org.apache.http.client.ClientProtocolException; import org.apache.http.message.BasicNameValuePair; import org.jsoup.Jsoup; import org.jsoup.nodes.Document; import org.jsoup.nodes.Element; import org.jsoup.select.Elements; import de.quist.app.errorreporter.ExceptionReporter; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.content.SharedPreferences; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.preference.PreferenceManager; import android.util.Log; public class DataFetcher { // This class handles the actual fetching of the data from 2Degrees. public double result; public static final String LASTMONTHCHARGES = "Your last month's charges"; private static String TAG = "2DegreesDataFetcher"; private ExceptionReporter exceptionReporter; public enum FetchResult { SUCCESS, NOTONLINE, LOGINFAILED, USERNAMEPASSWORDNOTSET, NETWORKERROR, NOTALLOWED } public DataFetcher(ExceptionReporter e) { exceptionReporter = e; } public boolean isOnline(Context context) { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo info = cm.getActiveNetworkInfo(); if (info == null) { return false; } else { return info.isConnected(); } } public boolean isWifi(Context context) { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo info = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI); if (info == null) { return false; } else { return info.isConnected(); } } public boolean isRoaming(Context context) { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo info = cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE); if (info == null) { return false; } else { return info.isRoaming(); } } public boolean isBackgroundDataEnabled(Context context) { ConnectivityManager mgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); return (mgr.getBackgroundDataSetting()); } public boolean isAutoSyncEnabled() { // Get the autosync setting, if on a phone which has one. // There are better ways of doing this than reflection, but it's easy in this case // since then we can keep linking against the 1.6 SDK. if (android.os.Build.VERSION.SDK_INT >= 5) { Class<ContentResolver> contentResolverClass = ContentResolver.class; try { Method m = contentResolverClass.getMethod("getMasterSyncAutomatically", null); Log.d(TAG, m.toString()); Log.d(TAG, m.invoke(null, null).toString()); boolean bool = ((Boolean) m.invoke(null, null)).booleanValue(); return bool; } catch (Exception e) { Log.d(TAG, "could not determine if autosync is enabled, assuming yes"); return true; } } else { return true; } } public FetchResult updateData(Context context, boolean force) { //Open database DBOpenHelper dbhelper = new DBOpenHelper(context); SQLiteDatabase db = dbhelper.getWritableDatabase(); // check for internet connectivity try { if (!isOnline(context)) { Log.d(TAG, "We do not seem to be online. Skipping Update."); return FetchResult.NOTONLINE; } } catch (Exception e) { exceptionReporter.reportException(Thread.currentThread(), e, "Exception during isOnline()"); } SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context); if (!force) { try { if (sp.getBoolean("loginFailed", false) == true) { Log.d(TAG, "Previous login failed. Skipping Update."); DBLog.insertMessage(context, "i", TAG, "Previous login failed. Skipping Update."); return FetchResult.LOGINFAILED; } if (sp.getBoolean("autoupdates", true) == false) { Log.d(TAG, "Automatic updates not enabled. Skipping Update."); DBLog.insertMessage(context, "i", TAG, "Automatic updates not enabled. Skipping Update."); return FetchResult.NOTALLOWED; } if (!isBackgroundDataEnabled(context) && sp.getBoolean("obeyBackgroundData", true)) { Log.d(TAG, "Background data not enabled. Skipping Update."); DBLog.insertMessage(context, "i", TAG, "Background data not enabled. Skipping Update."); return FetchResult.NOTALLOWED; } if (!isAutoSyncEnabled() && sp.getBoolean("obeyAutoSync", true) && sp.getBoolean("obeyBackgroundData", true)) { Log.d(TAG, "Auto sync not enabled. Skipping Update."); DBLog.insertMessage(context, "i", TAG, "Auto sync not enabled. Skipping Update."); return FetchResult.NOTALLOWED; } if (isWifi(context) && !sp.getBoolean("wifiUpdates", true)) { Log.d(TAG, "On wifi, and wifi auto updates not allowed. Skipping Update"); DBLog.insertMessage(context, "i", TAG, "On wifi, and wifi auto updates not allowed. Skipping Update"); return FetchResult.NOTALLOWED; } else if (!isWifi(context)) { Log.d(TAG, "We are not on wifi."); if (!isRoaming(context) && !sp.getBoolean("2DData", true)) { Log.d(TAG, "Automatic updates on 2Degrees data not enabled. Skipping Update."); DBLog.insertMessage(context, "i", TAG, "Automatic updates on 2Degrees data not enabled. Skipping Update."); return FetchResult.NOTALLOWED; } else if (isRoaming(context) && !sp.getBoolean("roamingData", false)) { Log.d(TAG, "Automatic updates on roaming mobile data not enabled. Skipping Update."); DBLog.insertMessage(context, "i", TAG, "Automatic updates on roaming mobile data not enabled. Skipping Update."); return FetchResult.NOTALLOWED; } } } catch (Exception e) { exceptionReporter.reportException(Thread.currentThread(), e, "Exception while finding if to update."); } } else { Log.d(TAG, "Update Forced"); } try { String username = sp.getString("username", null); String password = sp.getString("password", null); if (username == null || password == null) { DBLog.insertMessage(context, "i", TAG, "Username or password not set."); return FetchResult.USERNAMEPASSWORDNOTSET; } // Find the URL of the page to send login data to. Log.d(TAG, "Finding Action. "); HttpGetter loginPageGet = new HttpGetter("https://secure.2degreesmobile.co.nz/web/ip/login"); String loginPageString = loginPageGet.execute(); if (loginPageString != null) { Document loginPage = Jsoup.parse(loginPageString, "https://secure.2degreesmobile.co.nz/web/ip/login"); Element loginForm = loginPage.getElementsByAttributeValue("name", "loginFrm").first(); String loginAction = loginForm.attr("action"); // Send login form List<NameValuePair> loginValues = new ArrayList<NameValuePair>(); loginValues.add(new BasicNameValuePair("externalURLRedirect", "")); loginValues.add(new BasicNameValuePair("hdnAction", "login_userlogin")); loginValues.add(new BasicNameValuePair("hdnAuthenticationType", "M")); loginValues.add(new BasicNameValuePair("hdnlocale", "")); loginValues.add(new BasicNameValuePair("userid", username)); loginValues.add(new BasicNameValuePair("password", password)); Log.d(TAG, "Sending Login "); HttpPoster sendLoginPoster = new HttpPoster(loginAction, loginValues); // Parse result String loginResponse = sendLoginPoster.execute(); Document loginResponseParsed = Jsoup.parse(loginResponse); // Determine if this is a pre-pay or post-paid account. boolean postPaid; if (loginResponseParsed .getElementById("p_CustomerPortalPostPaidHomePage_WAR_customerportalhomepage") == null) { Log.d(TAG, "Pre-pay account or no account."); postPaid = false; } else { Log.d(TAG, "Post-paid account."); postPaid = true; } String homepageUrl = "https://secure.2degreesmobile.co.nz/group/ip/home"; if (postPaid) { homepageUrl = "https://secure.2degreesmobile.co.nz/group/ip/postpaid"; } HttpGetter homepageGetter = new HttpGetter(homepageUrl); String homepageHTML = homepageGetter.execute(); Document homePage = Jsoup.parse(homepageHTML); Element accountSummary = homePage.getElementById("accountSummary"); if (accountSummary == null) { Log.d(TAG, "Login failed."); return FetchResult.LOGINFAILED; } db.delete("cache", "", null); /* This code fetched some extra details for postpaid users, but on reflection they aren't that useful. * Might reconsider this. * if (postPaid) { Element accountBalanceSummaryTable = accountSummary.getElementsByClass("tableBillSummary").first(); Elements rows = accountBalanceSummaryTable.getElementsByTag("tr"); int rowno = 0; for (Element row : rows) { if (rowno > 1) { break; } //Log.d(TAG, "Starting row"); //Log.d(TAG, row.html()); Double value; try { Element amount = row.getElementsByClass("tableBillamount").first(); String amountHTML = amount.html(); Log.d(TAG, amountHTML.substring(1)); value = Double.parseDouble(amountHTML.substring(1)); } catch (Exception e) { Log.d(TAG, "Failed to parse amount from row."); value = null; } String expiresDetails = ""; String expiresDate = null; String name = null; try { Element details = row.getElementsByClass("tableBilldetail").first(); name = details.ownText(); Element expires = details.getElementsByTag("em").first(); if (expires != null) { expiresDetails = expires.text(); } Log.d(TAG, expiresDetails); Pattern pattern; pattern = Pattern.compile("\\(payment is due (.*)\\)"); Matcher matcher = pattern.matcher(expiresDetails); if (matcher.find()) { /*Log.d(TAG, "matched expires"); Log.d(TAG, "group 0:" + matcher.group(0)); Log.d(TAG, "group 1:" + matcher.group(1)); Log.d(TAG, "group 2:" + matcher.group(2)); * String expiresDateString = matcher.group(1); Date expiresDateObj; if (expiresDateString != null) { if (expiresDateString.length() > 0) { try { expiresDateObj = DateFormatters.EXPIRESDATE.parse(expiresDateString); expiresDate = DateFormatters.ISO8601DATEONLYFORMAT.format(expiresDateObj); } catch (java.text.ParseException e) { Log.d(TAG, "Could not parse date: " + expiresDateString); } } } } } catch (Exception e) { Log.d(TAG, "Failed to parse details from row."); } String expirev = null; ContentValues values = new ContentValues(); values.put("name", name); values.put("value", value); values.put("units", "$NZ"); values.put("expires_value", expirev ); values.put("expires_date", expiresDate); db.insert("cache", "value", values ); rowno++; } } */ Element accountSummaryTable = accountSummary.getElementsByClass("tableAccountSummary").first(); Elements rows = accountSummaryTable.getElementsByTag("tr"); for (Element row : rows) { // We are now looking at each of the rows in the data table. //Log.d(TAG, "Starting row"); //Log.d(TAG, row.html()); Double value; String units; try { Element amount = row.getElementsByClass("tableBillamount").first(); String amountHTML = amount.html(); //Log.d(TAG, amountHTML); String[] amountParts = amountHTML.split(" ", 2); //Log.d(TAG, amountParts[0]); //Log.d(TAG, amountParts[1]); if (amountParts[0].contains("Included") || amountParts[0].equals("All You Need") || amountParts[0].equals("Unlimited Text*")) { value = Values.INCLUDED; } else { try { value = Double.parseDouble(amountParts[0]); } catch (NumberFormatException e) { exceptionReporter.reportException(Thread.currentThread(), e, "Decoding value."); value = 0.0; } } units = amountParts[1]; } catch (NullPointerException e) { //Log.d(TAG, "Failed to parse amount from row."); value = null; units = null; } Element details = row.getElementsByClass("tableBilldetail").first(); String name = details.getElementsByTag("strong").first().text(); Element expires = details.getElementsByTag("em").first(); String expiresDetails = ""; if (expires != null) { expiresDetails = expires.text(); } Log.d(TAG, expiresDetails); Pattern pattern; if (postPaid == false) { pattern = Pattern.compile("\\(([\\d\\.]*) ?\\w*? ?expiring on (.*)\\)"); } else { pattern = Pattern.compile("\\(([\\d\\.]*) ?\\w*? ?will expire on (.*)\\)"); } Matcher matcher = pattern.matcher(expiresDetails); Double expiresValue = null; String expiresDate = null; if (matcher.find()) { /*Log.d(TAG, "matched expires"); Log.d(TAG, "group 0:" + matcher.group(0)); Log.d(TAG, "group 1:" + matcher.group(1)); Log.d(TAG, "group 2:" + matcher.group(2)); */ try { expiresValue = Double.parseDouble(matcher.group(1)); } catch (NumberFormatException e) { expiresValue = null; } String expiresDateString = matcher.group(2); Date expiresDateObj; if (expiresDateString != null) { if (expiresDateString.length() > 0) { try { expiresDateObj = DateFormatters.EXPIRESDATE.parse(expiresDateString); expiresDate = DateFormatters.ISO8601DATEONLYFORMAT.format(expiresDateObj); } catch (java.text.ParseException e) { Log.d(TAG, "Could not parse date: " + expiresDateString); } } } } ContentValues values = new ContentValues(); values.put("name", name); values.put("value", value); values.put("units", units); values.put("expires_value", expiresValue); values.put("expires_date", expiresDate); db.insert("cache", "value", values); } if (postPaid == false) { Log.d(TAG, "Getting Value packs..."); // Find value packs HttpGetter valuePacksPageGet = new HttpGetter( "https://secure.2degreesmobile.co.nz/group/ip/prevaluepack"); String valuePacksPageString = valuePacksPageGet.execute(); //DBLog.insertMessage(context, "d", "", valuePacksPageString); if (valuePacksPageString != null) { Document valuePacksPage = Jsoup.parse(valuePacksPageString); Elements enabledPacks = valuePacksPage.getElementsByClass("yellow"); for (Element enabledPack : enabledPacks) { Element offerNameElemt = enabledPack .getElementsByAttributeValueStarting("name", "offername").first(); if (offerNameElemt != null) { String offerName = offerNameElemt.val(); DBLog.insertMessage(context, "d", "", "Got element: " + offerName); ValuePack[] packs = Values.valuePacks.get(offerName); if (packs == null) { DBLog.insertMessage(context, "d", "", "Offer name: " + offerName + " not matched."); } else { for (ValuePack pack : packs) { ContentValues values = new ContentValues(); values.put("plan_startamount", pack.value); values.put("plan_name", offerName); DBLog.insertMessage(context, "d", "", "Pack " + pack.type.id + " start value set to " + pack.value); db.update("cache", values, "name = '" + pack.type.id + "'", null); } } } } } } SharedPreferences.Editor prefedit = sp.edit(); Date now = new Date(); prefedit.putString("updateDate", DateFormatters.ISO8601FORMAT.format(now)); prefedit.putBoolean("loginFailed", false); prefedit.putBoolean("networkError", false); prefedit.commit(); DBLog.insertMessage(context, "i", TAG, "Update Successful"); return FetchResult.SUCCESS; } } catch (ClientProtocolException e) { DBLog.insertMessage(context, "w", TAG, "Network error: " + e.getMessage()); return FetchResult.NETWORKERROR; } catch (IOException e) { DBLog.insertMessage(context, "w", TAG, "Network error: " + e.getMessage()); return FetchResult.NETWORKERROR; } finally { db.close(); } return null; } }