me.taylorkelly.mywarp.warp.WarpSignManager.java Source code

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Here is the source code for me.taylorkelly.mywarp.warp.WarpSignManager.java

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/*
 * Copyright (C) 2011 - 2015, MyWarp team and contributors
 *
 * This file is part of MyWarp.
 *
 * MyWarp is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MyWarp 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MyWarp. If not, see <http://www.gnu.org/licenses/>.
 */

package me.taylorkelly.mywarp.warp;

import com.google.common.base.Optional;
import com.google.common.collect.Iterables;

import me.taylorkelly.mywarp.LocalPlayer;
import me.taylorkelly.mywarp.economy.EconomyManager;
import me.taylorkelly.mywarp.economy.FeeProvider.FeeType;
import me.taylorkelly.mywarp.util.i18n.DynamicMessages;
import me.taylorkelly.mywarp.util.i18n.LocaleManager;

import java.util.TreeSet;

/**
 * Manages warp signs.
 */
public class WarpSignManager {

    private static final int IDENTIFIER_LINE = 1;
    public static final int WARPNAME_LINE = 2;
    private static final DynamicMessages MESSAGES = new DynamicMessages(
            "me.taylorkelly.mywarp.lang.WarpSignManager");

    private final EconomyManager economyManager;
    private final TreeSet<String> identifiers;
    private final WarpManager manager;

    /**
     * Creates an instance.
     *
     * @param identifiers    the identifiers to identify a vail warp sign
     * @param economyManager the EconomyManager this manager will act on
     * @param manager        the WarpManager this manager will act on
     */
    public WarpSignManager(Iterable<String> identifiers, EconomyManager economyManager, WarpManager manager) {
        this.economyManager = economyManager;
        this.identifiers = new TreeSet<String>(String.CASE_INSENSITIVE_ORDER);
        Iterables.addAll(this.identifiers, identifiers);
        this.manager = manager;
    }

    /**
     * Warps the given player to the warp with the given name.
     *
     * @param warpName the name
     * @param player   the player who should be teleported
     */
    public void warpFromSign(String warpName, final LocalPlayer player) {
        LocaleManager.setLocale(player.getLocale());
        if (!player.hasPermission("mywarp.sign.use")) {
            player.sendError(MESSAGES.getString("use-permission"));
            return;
        }

        Optional<Warp> optional = manager.get(warpName);
        if (!optional.isPresent()) {
            player.sendError(MESSAGES.getString("warp-non-existent", warpName));
            return;
        }
        final Warp warp = optional.get();

        if (!warp.isUsable(player)) {
            player.sendError(MESSAGES.getString("use-warp-permission", warpName));
            return;
        }

        if (!economyManager.hasAtLeast(player, FeeType.WARP_SIGN_USE)) {
            return;
        }

        warp.teleport(player, FeeType.WARP_SIGN_USE);

    }

    /**
     * Validates a warp sign, taken from the given sign change event. This method expects that the given event belongs to
     * a valid warp sign!
     *
     * @param lines  an array with the lines of the sign, including empty ones
     * @param player the player who created the warp sign
     * @return true if the sign could be created
     */
    public boolean validateWarpSign(String[] lines, LocalPlayer player) {
        LocaleManager.setLocale(player.getLocale());
        if (!player.hasPermission("mywarp.sign.create.self")) {
            player.sendError(MESSAGES.getString("create-permission"));
            return false;
        }
        String name = lines[WARPNAME_LINE];
        Optional<Warp> optional = manager.get(name);

        if (!optional.isPresent()) {
            player.sendError(MESSAGES.getString("warp-non-existent", name));
            return false;
        }
        Warp warp = optional.get();

        if (!warp.isModifiable(player) && !player.hasPermission("mywarp.sign.create")) {
            player.sendError(MESSAGES.getString("create-warp-permission", name));
            return false;
        }

        if (!economyManager.hasAtLeast(player, FeeType.WARP_SIGN_CREATE)) {
            return false;
        }
        economyManager.withdraw(player, FeeType.WARP_SIGN_CREATE);

        // get the right spelling (case) out of the config
        String line = lines[IDENTIFIER_LINE];
        line = line.substring(1, line.length() - 1);
        lines[IDENTIFIER_LINE] = "[" + identifiers.ceiling(line) + "]";

        player.sendMessage(MESSAGES.getString("created-successful"));
        return true;
    }

    /**
     * Returns whether the given array of lines belongs to a valid warp sign.
     *
     * @param lines an array with the lines of the sign, including empty ones
     * @return true if the sign is a warp sign
     */
    public boolean isWarpSign(String[] lines) {
        String identifier = lines[IDENTIFIER_LINE];
        return identifier.startsWith("[") && identifier.endsWith("]")
                && identifiers.contains(identifier.substring(1, identifier.length() - 1));
    }
}