CommonCore/testsrc/de/steamwar/command/NullMapperCommand.java

/*
 * This file is a part of the SteamWar software.
 *
 * Copyright (C) 2022  SteamWar.de-Serverteam
 *
 * 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 <https://www.gnu.org/licenses/>.
 */

package de.steamwar.command;

import de.steamwar.command.dto.ExecutionIdentifier;
import de.steamwar.command.dto.TestSWCommand;
import de.steamwar.command.dto.TestTypeMapper;

import java.util.Collection;

public class NullMapperCommand extends TestSWCommand {

    public NullMapperCommand() {
        super("nullmapper");
    }

    @Register
    public void test(String sender, @AllowNull String arg) {
        if (arg == null) {
            throw new ExecutionIdentifier("null");
        }
        throw new ExecutionIdentifier("notnull");
    }

    @ClassMapper(value = String.class, local = true)
    public TestTypeMapper<String> typeMapper() {
        return new TestTypeMapper<String>() {
            @Override
            public String map(String sender, PreviousArguments previousArguments, String s) {
                if (s.equals("Hello World")) {
                    return null;
                }
                return s;
            }

            @Override
            public Collection<String> tabCompletes(String sender, PreviousArguments previousArguments, String s) {
                return null;
            }
        };
    }
}