Java tutorial
/* * Copyright (C) 2010 Nullbyte <http://nullbyte.eu> * Contributors: DEGE * * 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.Collections; import java.util.Comparator; 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 android.util.Log; 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.BankChoiceException; import com.liato.bankdroid.banking.exceptions.BankException; import com.liato.bankdroid.banking.exceptions.LoginException; import com.liato.bankdroid.provider.IBankTypes; import eu.nullbyte.android.urllib.CertificateReader; import eu.nullbyte.android.urllib.Urllib; public class Handelsbanken extends Bank { private static final String TAG = "Handelsbanken"; private static final String NAME = "Handelsbanken"; private static final String NAME_SHORT = "handelsbanken"; private static final String URL = "https://m.handelsbanken.se/"; private static final int BANKTYPE_ID = IBankTypes.HANDELSBANKEN; private static final int INPUT_TYPE_USERNAME = InputType.TYPE_CLASS_TEXT; private static final String INPUT_HINT_USERNAME = "MMDDXXXX"; private Pattern reBalance = Pattern.compile( "block-link\\s*\"\\s*href=\"[^\"]*?/primary/_-([^\"]+)\"><span>([^<]+)</span>.*?SEK(?: |\\s*)?([0-9\\s.,-]+)", Pattern.CASE_INSENSITIVE | Pattern.DOTALL); private Pattern reAccountsUrl = Pattern.compile("_-([^\"]+)\">(?:<img[^>]+>)?<img[^>]+><span[^>]+>Konton<", Pattern.CASE_INSENSITIVE); private Pattern reLoginUrl = Pattern.compile("_-([^\"]+)\">(?:<img[^>]+>)?<img[^>]+><span[^>]+>Logga", Pattern.CASE_INSENSITIVE); private Pattern reTransactions = Pattern.compile( "padding-left\">([^<]+)</span><span[^>]*><span[^>]*>([^<]+)</span><span[^>]*>([^<]+)<", Pattern.CASE_INSENSITIVE); private ArrayList<String> accountIds = new ArrayList<String>(); private String response = null; public Handelsbanken(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; super.INPUT_HINT_USERNAME = INPUT_HINT_USERNAME; } public Handelsbanken(String username, String password, Context context) throws BankException, LoginException, BankChoiceException { this(context); this.update(username, password); } @Override protected LoginPackage preLogin() throws BankException, ClientProtocolException, IOException { urlopen = new Urllib(context, CertificateReader.getCertificates(context, R.raw.cert_handelsbanken)); response = urlopen.open("https://m.handelsbanken.se/primary/"); Matcher matcher = reLoginUrl.matcher(response); if (!matcher.find()) { throw new BankException(res.getText(R.string.unable_to_find).toString() + " login url."); } String strLoginUrl = "https://m.handelsbanken.se/primary/_-" + matcher.group(1); List<NameValuePair> postData = new ArrayList<NameValuePair>(); postData.add(new BasicNameValuePair("username", username)); postData.add(new BasicNameValuePair("pin", password)); postData.add(new BasicNameValuePair("execute", "true")); return new LoginPackage(urlopen, postData, response, strLoginUrl); } @Override public Urllib login() throws LoginException, BankException { try { LoginPackage lp = preLogin(); response = urlopen.open(lp.getLoginTarget(), lp.getPostData()); if (response.contains("ontrollera dina uppgifter")) { throw new LoginException(res.getText(R.string.invalid_username_password).toString()); } } catch (ClientProtocolException e) { Log.w(TAG, "ClientProtocolException: " + e.getMessage()); throw new BankException(e.getMessage()); } catch (IOException e) { Log.w(TAG, "IOException: " + e.getMessage()); throw new BankException(e.getMessage()); } return urlopen; } @Override public void update() throws BankException, LoginException, BankChoiceException { 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(); Matcher matcher; try { matcher = reAccountsUrl.matcher(response); if (!matcher.find()) { throw new BankException(res.getText(R.string.unable_to_find).toString() + " accounts url."); } String strAccountsUrl = "https://m.handelsbanken.se/primary/_-" + matcher.group(1); response = urlopen.open(strAccountsUrl); matcher = reBalance.matcher(response); Integer accountId = 0; while (matcher.find()) { accounts.add(new Account(Html.fromHtml(matcher.group(2)).toString().trim(), Helpers.parseBalance(matcher.group(3).trim()), accountId.toString())); balance = balance.add(Helpers.parseBalance(matcher.group(3))); accountIds.add(matcher.group(1)); accountId += 1; } if (accounts.isEmpty()) { throw new BankException(res.getText(R.string.no_accounts_found).toString()); } } catch (ClientProtocolException e) { throw new BankException(e.getMessage()); } catch (IOException e) { throw new BankException(e.getMessage()); } finally { super.updateComplete(); } } public void updateTransactions(Account account, Urllib urlopen) throws LoginException, BankException { super.updateTransactions(account, urlopen); Matcher matcher; try { String accountWebId = accountIds.get(Integer.parseInt(account.getId())); response = urlopen.open("https://m.handelsbanken.se/primary/_-" + accountWebId); matcher = reTransactions.matcher(response); ArrayList<Transaction> transactions = new ArrayList<Transaction>(); while (matcher.find()) { transactions.add(new Transaction(matcher.group(1).trim(), Html.fromHtml(matcher.group(2)).toString().trim(), Helpers.parseBalance(matcher.group(3)))); } // Sort transactions by date Collections.sort(transactions, new Comparator<Transaction>() { public int compare(Transaction t1, Transaction t2) { return t2.compareTo(t1); } }); account.setTransactions(transactions); } catch (ClientProtocolException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }