132 lines
3.9 KiB
Java
132 lines
3.9 KiB
Java
/*
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* PlotSquared, a land and world management plugin for Minecraft.
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* Copyright (C) IntellectualSites <https://intellectualsites.com>
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* Copyright (C) IntellectualSites team and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.plotsquared.core.util;
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import com.plotsquared.core.player.ConsolePlayer;
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import com.plotsquared.core.player.OfflinePlotPlayer;
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import com.plotsquared.core.player.PlotPlayer;
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import com.plotsquared.core.plot.PlotArea;
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import org.checkerframework.checker.nullness.qual.NonNull;
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public abstract class EconHandler {
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/**
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* Returns an econ handler that:
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* <ul>
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* <li>Returns {@code false} on {@link #isEnabled(PlotArea)}</li>
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* <li>Returns {@link Double#MIN_VALUE} on {@link #getBalance(PlotPlayer)}</li>
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* <li>Doesn't do anything for {@link #withdrawMoney(PlotPlayer, double)},
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* {@link #depositMoney(OfflinePlotPlayer, double)}
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* {@link #depositMoney(PlotPlayer, double)}</li>
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* </ul>
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*
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* @return A null econ handler
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*/
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public static EconHandler nullEconHandler() {
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return new NullEconHandler();
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}
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public abstract boolean init();
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public double getMoney(PlotPlayer<?> player) {
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if (player instanceof ConsolePlayer) {
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return Double.MAX_VALUE;
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}
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return getBalance(player);
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}
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public abstract double getBalance(PlotPlayer<?> player);
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public abstract void withdrawMoney(PlotPlayer<?> player, double amount);
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public abstract void depositMoney(PlotPlayer<?> player, double amount);
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public abstract void depositMoney(OfflinePlotPlayer player, double amount);
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/**
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* Returns whether economy is enabled in the given plot area or not.
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* Implementations should only return true if {@link #isSupported()} returns
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* true too.
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*
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* @param plotArea the plot area to check
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* @return {@code true} if economy is enabled on the given plot area, {@code false} otherwise.
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*/
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public abstract boolean isEnabled(PlotArea plotArea);
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/**
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* Formats the given balance into a human-readable number.
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*
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* @param balance the balance to format.
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* @return the balance as formatted string.
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*/
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public abstract @NonNull String format(double balance);
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/**
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* Returns whether economy is supported by the server or not.
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*
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* @return {@code true} if economy is supported, {@code false} otherwise.
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*/
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public abstract boolean isSupported();
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private static final class NullEconHandler extends EconHandler {
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@Override
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public boolean init() {
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return false;
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}
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@Override
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public double getBalance(PlotPlayer<?> player) {
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return Double.MIN_VALUE;
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}
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@Override
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public void withdrawMoney(PlotPlayer<?> player, double amount) {
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}
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@Override
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public void depositMoney(PlotPlayer<?> player, double amount) {
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}
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@Override
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public void depositMoney(OfflinePlotPlayer player, double amount) {
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}
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@Override
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public boolean isEnabled(PlotArea plotArea) {
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return false;
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}
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@Override
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public @NonNull String format(double balance) {
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return "";
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}
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@Override
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public boolean isSupported() {
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return false;
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}
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}
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}
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