me.lucko.luckperms.common.api.internal.Utils.java Source code

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Here is the source code for me.lucko.luckperms.common.api.internal.Utils.java

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/*
 * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me>
 *
 *  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 me.lucko.luckperms.common.api.internal;

import lombok.experimental.UtilityClass;

import com.google.common.base.Preconditions;

import me.lucko.luckperms.api.Group;
import me.lucko.luckperms.api.Track;
import me.lucko.luckperms.api.User;
import me.lucko.luckperms.common.utils.ArgumentChecker;

@UtilityClass
public class Utils {

    public static void checkUser(User user) {
        Preconditions.checkState(user instanceof UserLink,
                "User instance cannot be handled by this implementation.");
    }

    public static void checkGroup(Group group) {
        Preconditions.checkState(group instanceof GroupLink,
                "Group instance cannot be handled by this implementation.");
    }

    public static void checkTrack(Track track) {
        Preconditions.checkState(track instanceof TrackLink,
                "Track instance cannot be handled by this implementation.");
    }

    public static String checkUsername(String s) {
        Preconditions.checkArgument(!ArgumentChecker.checkUsername(s), "Invalid username entry '" + s
                + "'. Usernames must be less than 16 chars and only contain 'a-z A-Z 1-9 _'.");
        return s;
    }

    public static String checkName(String s) {
        Preconditions.checkArgument(!ArgumentChecker.checkName(s),
                "Invalid name entry '" + s + "'. Names must be less than 37 chars and only contain 'a-z A-Z 1-9'.");
        return s.toLowerCase();
    }

    public static String checkServer(String s) {
        Preconditions.checkArgument(!ArgumentChecker.checkServer(s),
                "Invalid server entry '" + s + "'. Server names can only contain alphanumeric characters.");
        return s;
    }

    public static String checkNode(String s) {
        Preconditions.checkArgument(!ArgumentChecker.checkNode(s),
                "Invalid node entry '" + s + "'. Nodes cannot contain '/' or '$' characters.");
        return s;
    }

    public static long checkTime(long l) {
        Preconditions.checkArgument(!ArgumentChecker.checkTime(l),
                "Unix time '" + l + "' is invalid, as it has already passed.");
        return l;
    }

}