juick-common/src/main/java/com/juick/server/protocol/annotation/UserCommand.java


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/*
 * Copyright (C) 2008-2017, Juick
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

package com.juick.server.protocol.annotation;

import org.apache.commons.lang3.StringUtils;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Created by oxpa on 22.03.16.
 */
@Target({ElementType.TYPE, ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
public @interface UserCommand {
    /**
     *
     * @return a command pattern
     */
    String pattern() default StringUtils.EMPTY;

    /**
     *
     * @return pattern flags
     */
    int patternFlags() default 0;

    /**
     *
     * @return a string used in HELP command output. Basically, only 1 string
     */
    String help() default StringUtils.EMPTY;
}