/** * Copyright (C) 2001-2017 by RapidMiner and the contributors * * Complete list of developers available at our web site: * * http://rapidminer.com * * This program is free software: you can redistribute it and/or modify it under the terms of the * GNU Affero 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 * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License along with this program. * If not, see http://www.gnu.org/licenses/. */ package com.rapidminer; import java.io.IOException; /** * Reads input from console, e.g. a password in case of database reading. * * @author Simon Fischer, Ingo Mierswa */ public class ConsoleInputHandler implements InputHandler { @Override public String inputPassword(String messageText) { try { System.out.println(messageText); StringBuffer password = new StringBuffer(); while (true) { char character = (char) System.in.read(); if ((character == 0x0a) || (character == 0x0d)) { return password.toString(); } password.append(character); } } catch (IOException e) { return null; } } }