Java tutorial
/* Copyright (C) 2012 Nullbyte <http://nullbyte.eu> * Zidisha support by Per Wigren <per.wigren@gmail.com> * * 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.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.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 Zidisha extends Bank { private static final String TAG = "Zidisha"; private static final String NAME = "Zidisha"; private static final String NAME_SHORT = "zidisha"; private static final String URL = "https://www.zidisha.org/"; private static final int BANKTYPE_ID = IBankTypes.ZIDISHA; private static final int INPUT_TYPE_USERNAME = InputType.TYPE_CLASS_TEXT; private static final int INPUT_TYPE_PASSWORD = InputType.TYPE_CLASS_TEXT; private static final String INPUT_HINT_USERNAME = "Username"; private static final boolean STATIC_BALANCE = true; private Pattern reUserGuess = Pattern.compile("<input.*?name=\"user_guess\" value=\"([0-9a-f]+)\"", Pattern.DOTALL); private Pattern reAccounts = Pattern.compile( "Funds uploaded:</td>.*?USD ([^<]+).*Credit Available:.*?USD ([^<]+).*Amount Lent By Me:.*?USD ([^<]+).*Total Impact:.*?USD ([^<]+)", Pattern.CASE_INSENSITIVE | Pattern.DOTALL); String response; public Zidisha(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_TYPE_PASSWORD = INPUT_TYPE_PASSWORD; super.INPUT_HINT_USERNAME = INPUT_HINT_USERNAME; super.STATIC_BALANCE = STATIC_BALANCE; super.currency = "USD"; } public Zidisha(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_zidisha)); urlopen.setAllowCircularRedirects(true); response = urlopen.open("https://www.zidisha.org/"); Matcher mUserGuess = reUserGuess.matcher(response); if (!mUserGuess.find()) { throw new BankException(res.getText(R.string.unable_to_find).toString() + " user_guess."); } String user_guess = mUserGuess.group(1); List<NameValuePair> postData = new ArrayList<NameValuePair>(); postData.add(new BasicNameValuePair("username", username)); postData.add(new BasicNameValuePair("password", password)); postData.add(new BasicNameValuePair("textpassword", username)); postData.add(new BasicNameValuePair("userlogin", "")); postData.add(new BasicNameValuePair("user_guess", user_guess)); return new LoginPackage(urlopen, postData, response, "https://www.zidisha.org/process.php"); } public Urllib login() throws LoginException, BankException { try { LoginPackage lp = preLogin(); String response = urlopen.open(lp.getLoginTarget(), lp.getPostData()); } catch (ClientProtocolException e) { Log.e(TAG, "ClientProtocolException: " + e.getMessage()); throw new BankException(e.getMessage()); } catch (IOException e) { Log.e(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 { response = urlopen.open("https://www.zidisha.org/index.php?p=19"); matcher = reAccounts.matcher(response); while (matcher.find()) { /* * 1: Funds uploaded * 2: Available for withdrawal * 3: Lent by me * 4: Total Impact */ Account insattningar = new Account("Insttningar", Helpers.parseBalance(matcher.group(1)), "insattningar"); Account tillgangligt = new Account("Tillgngligt", Helpers.parseBalance(matcher.group(2)), "tillgangligt"); Account utlanat = new Account("Utlnat", Helpers.parseBalance(matcher.group(3)), "utlanat"); Account balans = new Account("Pverkan", Helpers.parseBalance(matcher.group(4)), "impact"); insattningar.setCurrency("USD"); tillgangligt.setCurrency("USD"); utlanat.setCurrency("USD"); balans.setCurrency("USD"); accounts.add(insattningar); accounts.add(tillgangligt); accounts.add(utlanat); accounts.add(balans); balance = balance.add(Helpers.parseBalance(matcher.group(4))); } 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()); } } }