Java tutorial
/* * Copyright (C) 2011 Paul Bourke <pauldbourke@gmail.com> * * 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 org.confab; import org.apache.http.client.CookieStore; import org.apache.http.cookie.Cookie; import java.security.NoSuchAlgorithmException; import java.math.BigInteger; import java.security.MessageDigest; import java.util.List; import java.util.ArrayList; public class Utilities { private static final boolean DEBUG_ON = true; public static void printCookieStore(CookieStore cookieStore) { debug("printCookies"); List<Cookie> cookies = cookieStore.getCookies(); if (cookies.isEmpty()) { System.out.println("None"); } else { for (int i = 0; i < cookies.size(); i++) { System.out.println("- " + cookies.get(i).toString()); } } debug("end printCookies"); } public static String md5(String pass) { String md5 = ""; try { MessageDigest m = MessageDigest.getInstance("MD5"); byte[] data = pass.getBytes(); m.update(data, 0, data.length); BigInteger i = new BigInteger(1, m.digest()); md5 = String.format("%1$032x", i); } catch (NoSuchAlgorithmException e) { System.out.println(e); } return md5; } public static long unixTime() { return System.currentTimeMillis() / 1000L; } public static void debug(String msg) { //TODO: add levels of debug if (DEBUG_ON) { System.out.println("Debug: " + msg); } } }