net.sourceforge.plantuml.oregon.SmartKeyboard Maven / Gradle / Ivy
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2023, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML 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.
*
* PlantUML 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*
*/
package net.sourceforge.plantuml.oregon;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class SmartKeyboard {
private final Keyboard keyboard;
private final List history = new ArrayList<>();
public SmartKeyboard(Keyboard keyboard) {
this.keyboard = keyboard;
}
public String input(Screen screen) throws NoInputException {
final String s = keyboard.input();
history.add(s);
screen.print("? " + s);
return s;
}
public int inputInt(Screen screen) throws NoInputException {
final String s = input(screen);
if (s.matches("\\d+") == false) {
screen.print("Please enter a valid number instead of " + s);
throw new NoInputException();
}
return Integer.parseInt(s);
}
public boolean hasMore() {
return keyboard.hasMore();
}
public List getHistory() {
return Collections.unmodifiableList(history);
}
}