Java tutorial
/** * Jetrix TetriNET Server * Copyright (C) 2001-2004 Emmanuel Bourg * * 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 2 * 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package net.jetrix.config; import org.apache.commons.digester.Digester; import org.apache.commons.digester.RuleSetBase; import org.apache.commons.digester.Rule; /** * RuleSet for processing the content of a channel configuration file. * * @author Emmanuel Bourg * @version $Revision$, $Date$ */ class ChannelsRuleSet extends RuleSetBase { public void addRuleInstances(Digester digester) { digester.addCallMethod("tetrinet-channels/motd", "setMessageOfTheDay", 0); // default game settings digester.addObjectCreate("tetrinet-channels/default-settings", "net.jetrix.config.Settings"); digester.addSetNext("tetrinet-channels/default-settings", "setDefaultSettings", "net.jetrix.config.Settings"); // channel settings digester.addObjectCreate("*/channel/settings", "net.jetrix.config.Settings"); digester.addSetNext("*/channel/settings", "setSettings", "net.jetrix.config.Settings"); // any game settings digester.addCallMethod("*/starting-level", "setStartingLevel", 0, new Class[] { Integer.TYPE }); digester.addCallMethod("*/lines-per-level", "setLinesPerLevel", 0, new Class[] { Integer.TYPE }); digester.addCallMethod("*/level-increase", "setLevelIncrease", 0, new Class[] { Integer.TYPE }); digester.addCallMethod("*/lines-per-special", "setLinesPerSpecial", 0, new Class[] { Integer.TYPE }); digester.addCallMethod("*/special-added", "setSpecialAdded", 0, new Class[] { Integer.TYPE }); digester.addCallMethod("*/special-capacity", "setSpecialCapacity", 0, new Class[] { Integer.TYPE }); digester.addCallMethod("*/classic-rules", "setClassicRules", 0, new Class[] { Boolean.TYPE }); digester.addCallMethod("*/average-levels", "setAverageLevels", 0, new Class[] { Boolean.TYPE }); digester.addCallMethod("*/same-blocks", "setSameBlocks", 0, new Class[] { Boolean.TYPE }); // block occurancy digester.addObjectCreate("*/block-occurancy", Occurancy.class.getName()); digester.addCallMethod("*/block-occurancy", "normalize", 0, (Class[]) null); digester.addSetNext("*/block-occurancy", "setBlockOccurancy", Occurancy.class.getName()); for (Block block : Block.values()) { digester.addRule("*/block-occurancy/" + block.getCode(), new OccurancyRule<Block>(digester, block)); } // special occurancy digester.addObjectCreate("*/special-occurancy", Occurancy.class.getName()); digester.addCallMethod("*/special-occurancy", "normalize", 0, (Class[]) null); digester.addSetNext("*/special-occurancy", "setSpecialOccurancy", Occurancy.class.getName()); for (Special special : Special.values()) { digester.addRule("*/special-occurancy/" + special.getCode(), new OccurancyRule<Special>(digester, special)); } digester.addCallMethod("*/sudden-death/time", "setSuddenDeathTime", 0, new Class[] { Integer.TYPE }); digester.addCallMethod("*/sudden-death/message", "setSuddenDeathMessage", 0); digester.addCallMethod("*/sudden-death/delay", "setSuddenDeathDelay", 0, new Class[] { Integer.TYPE }); digester.addCallMethod("*/sudden-death/lines-added", "setSuddenDeathLinesAdded", 0, new Class[] { Integer.TYPE }); // channel configuration digester.addObjectCreate("*/channel", "net.jetrix.config.ChannelConfig"); digester.addSetNext("*/channel", "addChannel", "net.jetrix.config.ChannelConfig"); digester.addCallMethod("*/channel", "setName", 1); digester.addCallParam("*/channel", 0, "name"); digester.addRule("*/channel/speed", new Rule(digester) { public void body(String text) throws Exception { getDigester().push(Speed.valueOf(text.toUpperCase())); } public void end() throws Exception { getDigester().pop(); } }); digester.addSetNext("*/channel/speed", "setSpeed"); digester.addCallMethod("*/channel/password", "setPassword", 0); digester.addCallMethod("*/channel/access-level", "setAccessLevel", 0, new Class[] { Integer.TYPE }); digester.addCallMethod("*/channel/idle", "setIdleAllowed", 0, new Class[] { Boolean.TYPE }); digester.addCallMethod("*/channel/visible", "setVisible", 0, new Class[] { Boolean.TYPE }); digester.addCallMethod("*/channel/description", "setDescription", 0); digester.addCallMethod("*/channel/topic", "setTopic", 0); digester.addCallMethod("*/channel/max-players", "setMaxPlayers", 0, new Class[] { Integer.TYPE }); digester.addCallMethod("*/channel/max-spectators", "setMaxSpectators", 0, new Class[] { Integer.TYPE }); digester.addCallMethod("*/channel/winlist", "setWinlistId", 1); digester.addCallParam("*/channel/winlist", 0, "name"); // filter configuration digester.addObjectCreate("*/filter", "net.jetrix.config.FilterConfig"); digester.addSetNext("*/filter", "addFilter", "net.jetrix.config.FilterConfig"); digester.addCallMethod("*/filter", "setName", 1); digester.addCallParam("*/filter", 0, "name"); digester.addCallMethod("*/filter", "setClassname", 1); digester.addCallParam("*/filter", 0, "class"); digester.addCallMethod("*/filter/param", "setParameter", 2); digester.addCallParam("*/filter/param", 0, "name"); digester.addCallParam("*/filter/param", 1, "value"); // filter definitions digester.addCallMethod("tetrinet-channels/filter-definitions/alias", "addFilterAlias", 2); digester.addCallParam("tetrinet-channels/filter-definitions/alias", 0, "name"); digester.addCallParam("tetrinet-channels/filter-definitions/alias", 1, "class"); // winlists digester.addObjectCreate("tetrinet-channels/winlists/winlist", "net.jetrix.config.WinlistConfig"); digester.addSetNext("tetrinet-channels/winlists/winlist", "addWinlist", "net.jetrix.config.WinlistConfig"); digester.addCallMethod("tetrinet-channels/winlists/winlist", "setName", 1); digester.addCallParam("tetrinet-channels/winlists/winlist", 0, "name"); digester.addCallMethod("tetrinet-channels/winlists/winlist", "setClassname", 1); digester.addCallParam("tetrinet-channels/winlists/winlist", 0, "class"); digester.addCallMethod("tetrinet-channels/winlists/winlist/param", "setParameter", 2); digester.addCallParam("tetrinet-channels/winlists/winlist/param", 0, "name"); digester.addCallParam("tetrinet-channels/winlists/winlist/param", 1, "value"); } /** * Custom rule to set the block and special occurancies. */ private class OccurancyRule<T extends Enum> extends Rule { private T element; public OccurancyRule(Digester digester, T element) { super(digester); this.element = element; } public void body(String body) throws Exception { // get the settings on the stack Occurancy<T> occurancy = (Occurancy<T>) digester.peek(); // get the value of the occurancy int value = Integer.parseInt(body); // set the value occurancy.setOccurancy(element, value); } } }