Java tutorial
package com.codenjoy.dojo.client; /*- * #%L * Codenjoy - it's a dojo-like platform from developers to developers. * %% * Copyright (C) 2016 Codenjoy * %% * 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/gpl-3.0.html>. * #L% */ import com.codenjoy.dojo.utils.JsonUtils; import com.codenjoy.dojo.utils.UnicodeUtils; import org.apache.commons.lang.StringUtils; public abstract class AbstractTextBoard implements ClientBoard { protected String data; @Override public ClientBoard forString(String data) { this.data = UnicodeUtils.unescapeJava(data); return this; } public boolean isGameOver() { return StringUtils.isEmpty(data); } public String getData() { return data; } @Override public String toString() { return "BoardData " + JsonUtils.prettyPrint(data); } }