/*
* Copyright (c) 2010 SimpleServer authors (see CONTRIBUTORS)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package simpleserver;
import java.lang.reflect.Modifier;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.reflections.Reflections;
import org.reflections.scanners.SubTypesScanner;
import simpleserver.command.AbstractCommand;
import simpleserver.command.Command;
import simpleserver.command.PlayerCommand;
import simpleserver.command.ServerCommand;
import simpleserver.options.Options;
@SuppressWarnings("rawtypes")
public class CommandParser {
private final Map<String, PlayerCommand> playerCommands;
private final Map<Class, PlayerCommand> playerCommandClasses;
private final Map<String, ServerCommand> serverCommands;
private final Map<Class, ServerCommand> serverCommandClasses;
private final Options options;
public CommandParser(Options options) {
this.options = options;
playerCommands = new HashMap<String, PlayerCommand>();
playerCommandClasses = new HashMap<Class, PlayerCommand>();
serverCommands = new HashMap<String, ServerCommand>();
serverCommandClasses = new HashMap<Class, ServerCommand>();
loadCommands(PlayerCommand.class, playerCommands, playerCommandClasses);
loadCommands(ServerCommand.class, serverCommands, serverCommandClasses);
}
public PlayerCommand getPlayerCommand(Class<? extends PlayerCommand> c) {
if (playerCommandClasses.containsKey(c)) {
return playerCommandClasses.get(c);
} else {
return null;
}
}
public PlayerCommand getPlayerCommand(String name) {
return playerCommands.get(name);
}
public ServerCommand getServerCommand(String name) {
return serverCommands.get(name);
}
public ServerCommand getServerCommand(Class<? extends ServerCommand> c) {
if (serverCommandClasses.containsKey(c)) {
return serverCommandClasses.get(c);
} else {
return null;
}
}
public Collection<PlayerCommand> getPlayerCommands() {
return playerCommands.values();
}
public String commandPrefix() {
if (options.getBoolean("useSlashes")) {
return "/";
} else {
return "!";
}
}
private <T extends Command> void loadCommands(Class<T> type, Map<String, T> commands, Map<Class, T> commandClasses) {
Reflections r = new Reflections("simpleserver", new SubTypesScanner());
Set<Class<? extends T>> types = r.getSubTypesOf(type);
for (Class<? extends T> commandType : types) {
if (Modifier.isAbstract(commandType.getModifiers())) {
continue;
}
T command;
try {
command = commandType.getConstructor().newInstance(new Object[] {});
((AbstractCommand) command).setParser(this);
} catch (Exception e) {
e.printStackTrace();
System.out.println("Unexpected exception. Skipping command "
+ commandType.getName());
continue;
}
commands.put(command.getName(), command);
commandClasses.put(command.getClass(), command);
}
}
}