Java tutorial
/* * Copyright (C) 2010 Nullbyte <http://nullbyte.eu> * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.liato.bankdroid.banking.banks; import java.io.IOException; import java.util.ArrayList; 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 android.content.Context; import android.text.Html; import android.text.InputType; import com.liato.bankdroid.Helpers; import com.liato.bankdroid.R; import com.liato.bankdroid.banking.Account; import com.liato.bankdroid.banking.Bank; import com.liato.bankdroid.banking.Transaction; import com.liato.bankdroid.banking.exceptions.BankException; import com.liato.bankdroid.banking.exceptions.LoginException; import eu.nullbyte.android.urllib.Urllib; public class Payson extends Bank { private static final String TAG = "Payson"; private static final String NAME = "Payson"; private static final String NAME_SHORT = "payson"; private static final String URL = "https://www.payson.se/signin/"; private static final int BANKTYPE_ID = Bank.PAYSON; private static final int INPUT_TYPE_USERNAME = InputType.TYPE_CLASS_TEXT | +InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS; private Pattern reEventValidation = Pattern.compile("__EVENTVALIDATION\"\\s+value=\"([^\"]+)\""); private Pattern reViewState = Pattern.compile("__VIEWSTATE\"\\s+value=\"([^\"]+)\""); private Pattern reBalance = Pattern.compile("Saldo:\\s*<strong>([^<]+)<", Pattern.CASE_INSENSITIVE); private Pattern reTransactions = Pattern.compile( "href=\"details/Default\\.aspx\\?\\d{1,}\">\\s*<span\\s*title=\"(\\d{4}-\\d{2}-\\d{2})[^\"]+\">.*?Grid1_0_3_\\d{1,}_Hy[^>]+>([^<]+)<.*?Grid1_0_5_\\d{1,}_Hy[^>]+>([^<]+)<", Pattern.CASE_INSENSITIVE | Pattern.DOTALL); private String response = null; public Payson(Context context) { super(context); super.TAG = TAG; super.NAME = NAME; super.NAME_SHORT = NAME_SHORT; super.BANKTYPE_ID = BANKTYPE_ID; super.URL = URL; super.INPUT_TYPE_USERNAME = INPUT_TYPE_USERNAME; } public Payson(String username, String password, Context context) throws BankException, LoginException { this(context); this.update(username, password); } @Override protected LoginPackage preLogin() throws BankException, ClientProtocolException, IOException { urlopen = new Urllib(true); response = urlopen.open("https://www.payson.se/signin/"); Matcher matcher = reViewState.matcher(response); if (!matcher.find()) { throw new BankException(res.getText(R.string.unable_to_find).toString() + " ViewState."); } String strViewState = matcher.group(1); matcher = reEventValidation.matcher(response); if (!matcher.find()) { throw new BankException(res.getText(R.string.unable_to_find).toString() + " EventValidation."); } String strEventValidation = matcher.group(1); List<NameValuePair> postData = new ArrayList<NameValuePair>(); postData.add(new BasicNameValuePair("__LASTFOCUS", "")); postData.add(new BasicNameValuePair("__EVENTTARGET", "")); postData.add(new BasicNameValuePair("__EVENTARGUMENT", "")); postData.add(new BasicNameValuePair("__VIEWSTATE", strViewState)); postData.add(new BasicNameValuePair("__EVENTVALIDATION", strEventValidation)); postData.add(new BasicNameValuePair("ctl00$MainContent$SignIn1$txtEmail", username)); postData.add(new BasicNameValuePair("ctl00$MainContent$SignIn1$txtPassword", password)); postData.add(new BasicNameValuePair("ctl00$MainContent$SignIn1$btnLogin", "Logga in")); return new LoginPackage(urlopen, postData, response, "https://www.payson.se/signin/"); } @Override public Urllib login() throws LoginException, BankException { try { LoginPackage lp = preLogin(); response = urlopen.open(lp.getLoginTarget(), lp.getPostData()); if (response.contains("Felaktig E-postadress") || response.contains("Lsenord saknas") || response.contains("E-postadress saknas")) { throw new LoginException(res.getText(R.string.invalid_username_password).toString()); } } catch (ClientProtocolException e) { throw new BankException(e.getMessage()); } catch (IOException e) { throw new BankException(e.getMessage()); } return urlopen; } @Override public void update() throws BankException, LoginException { super.update(); if (username == null || password == null || username.length() == 0 || password.length() == 0) { throw new LoginException(res.getText(R.string.invalid_username_password).toString()); } urlopen = login(); try { Matcher matcher; matcher = reBalance.matcher(response); if (matcher.find()) { /* * Capture groups: * GROUP EXAMPLE DATA * 1: Balance 0,00 kr * */ accounts.add(new Account("Konto", Helpers.parseBalance(matcher.group(1)), "1")); balance = balance.add(Helpers.parseBalance(matcher.group(1))); } if (accounts.isEmpty()) { throw new BankException(res.getText(R.string.no_accounts_found).toString()); } matcher = reTransactions.matcher(response); ArrayList<Transaction> transactions = new ArrayList<Transaction>(); while (matcher.find()) { /* * Capture groups: * GROUP EXAMPLE DATA * 1: Date 2010-06-03 * 2: Specification Beställning från SPELKONTROLL.SE * 3: Amount -228,00 kr * */ transactions.add(new Transaction(matcher.group(1).trim(), Html.fromHtml(matcher.group(2)).toString().trim(), Helpers.parseBalance(matcher.group(3)))); } accounts.get(0).setTransactions(transactions); } finally { super.updateComplete(); } } }