CommonCore/src/de/steamwar/command/CommandMetaData.java

95 Zeilen
3.3 KiB
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 java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
public @interface CommandMetaData {
/**
* This annotation is only for internal use.
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.ANNOTATION_TYPE)
@interface Method {
Class<?>[] value();
int minParameterCount() default 0;
int maxParameterCount() default Integer.MAX_VALUE;
}
/**
* This annotation denotes what types are allowed as parameter types the annotation annotated with can use.
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.ANNOTATION_TYPE)
@interface Parameter {
Class<?>[] value();
}
/**
* This annotation can be used in conjunction with a class that implements {@link AbstractTypeMapper} to
* create a custom type mapper for a parameter. The class must have one of two constructors with the following
* types:
* <ul>
* <li>Annotation this annotation annotates</li>
* <li>{@link Class}</li>
* <li>{@link AbstractTypeMapper}, optional, if not present only one per parameter</li>
* <li>{@link java.util.Map} with types {@link String} and {@link AbstractValidator}</li>
* </ul>
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.ANNOTATION_TYPE)
@interface ImplicitTypeMapper {
/**
* The validator class that should be used.
*/
Class<?> handler();
}
/**
* This annotation can be used in conjunction with a class that implements {@link AbstractValidator} to
* create a custom validator short hands for commands. The validator class must have one constructor with
* one of the following types:
* <ul>
* <li>Annotation this annotation annotates</li>
* <li>{@link Class}</li>
* <li>{@link java.util.Map} with types {@link String} and {@link AbstractValidator}</li>
* </ul>
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.ANNOTATION_TYPE)
@interface ImplicitValidator {
/**
* The validator class that should be used.
*/
Class<?> handler();
/**
* Defines when this validator should be processed. Negative numbers denote that this will be
* processed before {@link AbstractSWCommand.Validator} and positive numbers
* denote that this will be processed after {@link AbstractSWCommand.Validator}.
*/
int order();
}
}