Upstream/PlotSquared
1
0
Fork 0
mirror of https://github.com/IntellectualSites/PlotSquared.git synced 2024-11-22 11:55:38 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add NullEconHandler to avoid verbose null checks

Browse Source
This commit is contained in:
Hannes Greule 2020-08-23 00:13:00 +02:00 committed by Alexander Söderberg
parent a5dea9e7f6
commit 551d1d9f1a
19 changed files with 146 additions and 91 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Bukkit/src/main/java/com/plotsquared/bukkit/BukkitPlatform.java
View File

@ -337,9 +337,7 @@ public final class BukkitPlatform extends JavaPlugin implements Listener, PlotPl
TaskManager.runTask(() -> {
this.getPermissionHandler().initialize();
final EconHandler econHandler = getInjector().getInstance(EconHandler.class);
if (econHandler != null) {
econHandler.init();
}
});
}

4
Bukkit/src/main/java/com/plotsquared/bukkit/inject/BukkitModule.java
View File

@ -107,14 +107,14 @@ public class BukkitModule extends AbstractModule {
install(new FactoryModuleBuilder().build(ChunkCoordinatorBuilderFactory.class));
}
@Provides @Singleton @Nullable EconHandler provideEconHandler() {
@Provides @Singleton @Nonnull EconHandler provideEconHandler() {
if (Bukkit.getPluginManager().isPluginEnabled("Vault")) {
try {
return new BukkitEconHandler();
} catch (final Exception ignored) {
}
}
return null;
return EconHandler.nullEconHandler();
}
}

11
Bukkit/src/main/java/com/plotsquared/bukkit/player/BukkitPlayer.java
View File

@ -36,7 +36,6 @@ import com.plotsquared.core.permissions.PermissionHandler;
import com.plotsquared.core.player.PlotPlayer;
import com.plotsquared.core.plot.PlotWeather;
import com.plotsquared.core.plot.world.PlotAreaManager;
import com.plotsquared.core.util.EconHandler;
import com.plotsquared.core.util.EventDispatcher;
import com.plotsquared.core.util.MathMan;
import com.sk89q.worldedit.bukkit.BukkitAdapter;
@ -58,7 +57,6 @@ import org.bukkit.plugin.RegisteredListener;
import javax.annotation.Nonnegative;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.Arrays;
import java.util.Set;
import java.util.UUID;
@ -81,19 +79,18 @@ public class BukkitPlayer extends PlotPlayer<Player> {
* @param plotAreaManager PlotAreaManager instance
* @param eventDispatcher EventDispatcher instance
* @param player Bukkit player instance
* @param econHandler EconHandler instance
* @param permissionHandler PermissionHandler instance
*/
public BukkitPlayer(@Nonnull final PlotAreaManager plotAreaManager, @Nonnull final EventDispatcher eventDispatcher,
@Nonnull final Player player, @Nullable final EconHandler econHandler, @Nonnull final PermissionHandler permissionHandler) {
this(plotAreaManager, eventDispatcher, player, false, econHandler, permissionHandler);
@Nonnull final Player player, @Nonnull final PermissionHandler permissionHandler) {
this(plotAreaManager, eventDispatcher, player, false, permissionHandler);
}
public BukkitPlayer(@Nonnull final PlotAreaManager plotAreaManager, @Nonnull final
EventDispatcher eventDispatcher, @Nonnull final Player player,
final boolean realPlayer, @Nullable final EconHandler econHandler,
final boolean realPlayer,
@Nonnull final PermissionHandler permissionHandler) {
super(plotAreaManager, eventDispatcher, econHandler, permissionHandler);
super(plotAreaManager, eventDispatcher, permissionHandler);
this.player = player;
this.setupPermissionProfile();
if (realPlayer) {

8
Bukkit/src/main/java/com/plotsquared/bukkit/player/BukkitPlayerManager.java
View File

@ -29,7 +29,6 @@ import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.plotsquared.core.permissions.PermissionHandler;
import com.plotsquared.core.plot.world.PlotAreaManager;
import com.plotsquared.core.util.EconHandler;
import com.plotsquared.core.util.EventDispatcher;
import com.plotsquared.core.util.PlayerManager;
import org.bukkit.Bukkit;
@ -46,16 +45,13 @@ import java.util.UUID;
private final PlotAreaManager plotAreaManager;
private final EventDispatcher eventDispatcher;
private final EconHandler econHandler;
private final PermissionHandler permissionHandler;
@Inject public BukkitPlayerManager(@Nonnull final PlotAreaManager plotAreaManager,
@Nonnull final EventDispatcher eventDispatcher,
@Nullable final EconHandler econHandler,
@Nonnull final PermissionHandler permissionHandler) {
this.plotAreaManager = plotAreaManager;
this.eventDispatcher = eventDispatcher;
this.econHandler = econHandler;
this.permissionHandler = permissionHandler;
}
@ -66,7 +62,7 @@ import java.util.UUID;
try {
return getPlayer(object.getUniqueId());
} catch (final NoSuchPlayerException exception) {
return new BukkitPlayer(this.plotAreaManager, this.eventDispatcher, object, false, this.econHandler, this.permissionHandler);
return new BukkitPlayer(this.plotAreaManager, this.eventDispatcher, object, false, this.permissionHandler);
}
}
@ -75,7 +71,7 @@ import java.util.UUID;
if (player == null || !player.isOnline()) {
throw new NoSuchPlayerException(uuid);
}
return new BukkitPlayer(this.plotAreaManager, this.eventDispatcher, player, this.econHandler, this.permissionHandler);
return new BukkitPlayer(this.plotAreaManager, this.eventDispatcher, player, this.permissionHandler);
}
@Nullable @Override public BukkitOfflinePlayer getOfflinePlayer(@Nullable final UUID uuid) {

26
Bukkit/src/main/java/com/plotsquared/bukkit/util/BukkitEconHandler.java
View File

@ -30,13 +30,13 @@ import com.plotsquared.bukkit.player.BukkitOfflinePlayer;
import com.plotsquared.bukkit.player.BukkitPlayer;
import com.plotsquared.core.player.OfflinePlotPlayer;
import com.plotsquared.core.player.PlotPlayer;
import com.plotsquared.core.plot.PlotArea;
import com.plotsquared.core.util.EconHandler;
import net.milkbowl.vault.economy.Economy;
import org.bukkit.Bukkit;
import org.bukkit.OfflinePlayer;
import org.bukkit.plugin.RegisteredServiceProvider;
import javax.annotation.Nullable;
@Singleton public class BukkitEconHandler extends EconHandler {
private Economy econ;
@ -62,25 +62,39 @@ import javax.annotation.Nullable;
@Override public double getMoney(PlotPlayer<?> player) {
double bal = super.getMoney(player);
if (Double.isNaN(bal)) {
return this.econ.getBalance(((BukkitPlayer) player).player);
return this.econ.getBalance(getBukkitOfflinePlayer(player));
}
return bal;
}
@Override public void withdrawMoney(PlotPlayer<?> player, double amount) {
this.econ.withdrawPlayer(((BukkitPlayer) player).player, amount);
this.econ.withdrawPlayer(getBukkitOfflinePlayer(player), amount);
}
@Override public void depositMoney(PlotPlayer<?> player, double amount) {
this.econ.depositPlayer(((BukkitPlayer) player).player, amount);
this.econ.depositPlayer(getBukkitOfflinePlayer(player), amount);
}
@Override public void depositMoney(OfflinePlotPlayer player, double amount) {
this.econ.depositPlayer(((BukkitOfflinePlayer) player).player, amount);
}
@Override
public boolean isEnabled(PlotArea plotArea) {
return plotArea.useEconomy();
}
@Override
public boolean isSupported() {
return true;
}
@Override public double getBalance(PlotPlayer<?> player) {
return this.econ.getBalance(player.getName());
return this.econ.getBalance(getBukkitOfflinePlayer(player));
}
private static OfflinePlayer getBukkitOfflinePlayer(PlotPlayer<?> plotPlayer) {
return ((BukkitPlayer) plotPlayer).player;
}
}

2
Core/src/main/java/com/plotsquared/core/PlotPlatform.java
View File

@ -227,7 +227,7 @@ public interface PlotPlatform<P> extends LocaleHolder {
* *
* @return Econ handler
*/
@Nullable default EconHandler getEconHandler() {
@Nonnull default EconHandler getEconHandler() {
return getInjector().getInstance(EconHandler.class);
}

2
Core/src/main/java/com/plotsquared/core/command/Auto.java
View File

@ -75,7 +75,7 @@ public class Auto extends SubCommand {
@Inject public Auto(@Nonnull final PlotAreaManager plotAreaManager,
@Nonnull final EventDispatcher eventDispatcher,
@Nullable final EconHandler econHandler,
@Nonnull final EconHandler econHandler,
@Nonnull final ServicePipeline servicePipeline) {
this.plotAreaManager = plotAreaManager;
this.eventDispatcher = eventDispatcher;

16
Core/src/main/java/com/plotsquared/core/command/Buy.java
View File

@ -32,8 +32,11 @@ import com.plotsquared.core.events.PlotFlagRemoveEvent;
import com.plotsquared.core.events.Result;
import com.plotsquared.core.player.PlotPlayer;
import com.plotsquared.core.plot.Plot;
import com.plotsquared.core.plot.PlotArea;
import com.plotsquared.core.plot.flag.PlotFlag;
import com.plotsquared.core.plot.flag.implementations.PriceFlag;
import com.plotsquared.core.synchronization.LockKey;
import com.plotsquared.core.synchronization.LockRepository;
import com.plotsquared.core.util.EconHandler;
import com.plotsquared.core.util.EventDispatcher;
import com.plotsquared.core.util.task.RunnableVal2;
@ -56,7 +59,7 @@ public class Buy extends Command {
private final EconHandler econHandler;
@Inject public Buy(@Nonnull final EventDispatcher eventDispatcher,
@Nullable final EconHandler econHandler) {
@Nonnull final EconHandler econHandler) {
super(MainCommand.getInstance(), true);
this.eventDispatcher = eventDispatcher;
this.econHandler = econHandler;
@ -67,7 +70,9 @@ public class Buy extends Command {
RunnableVal3<Command, Runnable, Runnable> confirm,
final RunnableVal2<Command, CommandResult> whenDone) {
check(this.econHandler, TranslatableCaption.of("economy.econ_disabled"));
PlotArea area = player.getPlotAreaAbs();
check(area, TranslatableCaption.of("errors.not_in_plot_world"));
check(this.econHandler.isEnabled(area), TranslatableCaption.of("economy.econ_disabled"));
final Plot plot;
if (args.length != 0) {
if (args.length != 1) {
@ -87,8 +92,9 @@ public class Buy extends Command {
if (price <= 0) {
throw new CommandException(TranslatableCaption.of("economy.not_for_sale"));
}
checkTrue(player.getMoney() >= price, TranslatableCaption.of("economy.cannot_afford_plot"));
player.withdraw(price);
checkTrue(this.econHandler.getMoney(player) >= price,
TranslatableCaption.of("economy.cannot_afford_plot"));
this.econHandler.withdrawMoney(player, price);
// Failure
// Success
confirm.run(this, () -> {
@ -117,7 +123,7 @@ public class Buy extends Command {
player.sendMessage(TranslatableCaption.of("working.claimed"));
whenDone.run(Buy.this, CommandResult.SUCCESS);
}, () -> {
player.deposit(price);
this.econHandler.depositMoney(player, price);
whenDone.run(Buy.this, CommandResult.FAILURE);
});
return CompletableFuture.completedFuture(true);

4
Core/src/main/java/com/plotsquared/core/command/Claim.java
View File

@ -67,7 +67,7 @@ public class Claim extends SubCommand {
private final EconHandler econHandler;
@Inject public Claim(@Nonnull final EventDispatcher eventDispatcher,
@Nullable final EconHandler econHandler) {
@Nonnull final EconHandler econHandler) {
this.eventDispatcher = eventDispatcher;
this.econHandler = econHandler;
}
@ -133,7 +133,7 @@ public class Claim extends SubCommand {
}
}
}
if ((this.econHandler != null) && area.useEconomy() && !force) {
if (this.econHandler.isEnabled(area) && !force) {
Expression<Double> costExr = area.getPrices().get("claim");
double cost = costExr.evaluate((double) currentPlots);
if (cost > 0d) {

2
Core/src/main/java/com/plotsquared/core/command/DebugExec.java
View File

@ -114,7 +114,7 @@ public class DebugExec extends SubCommand {
@Nullable final WorldEdit worldEdit,
@Nonnull final GlobalBlockQueue blockQueue,
@Nonnull final SchematicHandler schematicHandler,
@Nullable final EconHandler econHandler,
@Nonnull final EconHandler econHandler,
@Nonnull final ChunkManager chunkManager,
@Nonnull final WorldUtil worldUtil,
@Nonnull final SetupUtils setupUtils,

4
Core/src/main/java/com/plotsquared/core/command/Delete.java
View File

@ -58,7 +58,7 @@ public class Delete extends SubCommand {
private final EconHandler econHandler;
@Inject public Delete(@Nonnull final EventDispatcher eventDispatcher,
@Nullable final EconHandler econHandler) {
@Nonnull final EconHandler econHandler) {
this.eventDispatcher = eventDispatcher;
this.econHandler = econHandler;
}
@ -100,7 +100,7 @@ public class Delete extends SubCommand {
final long start = System.currentTimeMillis();
boolean result = plot.getPlotModificationManager().deletePlot(() -> {
plot.removeRunning();
if ((this.econHandler != null) && plotArea.useEconomy()) {
if (this.econHandler.isEnabled(plotArea)) {
Expression<Double> valueExr = plotArea.getPrices().get("sell");
double value = plots.size() * valueExr.evaluate((double) currentPlots);
if (value > 0d) {

6
Core/src/main/java/com/plotsquared/core/command/ListCmd.java
View File

@ -81,7 +81,7 @@ public class ListCmd extends SubCommand {
private final EconHandler econHandler;
@Inject public ListCmd(@Nonnull final PlotAreaManager plotAreaManager,
@Nullable final EconHandler econHandler) {
@Nonnull final EconHandler econHandler) {
this.plotAreaManager = plotAreaManager;
this.econHandler = econHandler;
}
@ -279,7 +279,7 @@ public class ListCmd extends SubCommand {
Templates.of("node", "plots.list.forsale"));
return false;
}
if (this.econHandler == null) {
if (this.econHandler.isSupported()) {
break;
}
plotConsumer.accept(PlotQuery.newQuery().allPlots().thatPasses(plot -> plot.getFlag(PriceFlag.class) > 0));
@ -429,7 +429,7 @@ public class ListCmd extends SubCommand {
@Override public Collection<Command> tab(PlotPlayer<?> player, String[] args, boolean space) {
final List<String> completions = new LinkedList<>();
if (this.econHandler != null && Permissions
if (this.econHandler.isSupported() && Permissions
.hasPermission(player, Permission.PERMISSION_LIST_FOR_SALE)) {
completions.add("forsale");
}

4
Core/src/main/java/com/plotsquared/core/command/MainCommand.java
View File

@ -186,9 +186,8 @@ public class MainCommand extends Command {
public void run(final Command cmd, final Runnable success, final Runnable failure) {
if (cmd.hasConfirmation(player)) {
CmdConfirm.addPending(player, cmd.getUsage(), () -> {
if (econHandler != null) {
PlotArea area = player.getApplicablePlotArea();
if (area != null) {
if (area != null && econHandler.isEnabled(area)) {
Expression<Double> priceEval =
area.getPrices().get(cmd.getFullId());
Double price = priceEval != null ? priceEval.evaluate(0d) : 0d;
@ -200,7 +199,6 @@ public class MainCommand extends Command {
return;
}
}
}
if (success != null) {
success.run();
}

10
Core/src/main/java/com/plotsquared/core/command/Merge.java
View File

@ -64,7 +64,7 @@ public class Merge extends SubCommand {
private final EconHandler econHandler;
@Inject public Merge(@Nonnull final EventDispatcher eventDispatcher,
@Nullable final EconHandler econHandler) {
@Nonnull final EconHandler econHandler) {
this.eventDispatcher = eventDispatcher;
this.econHandler = econHandler;
}
@ -181,7 +181,7 @@ public class Merge extends SubCommand {
return true;
}
if (plot.getPlotModificationManager().autoMerge(Direction.ALL, maxSize, uuid, terrain)) {
if (this.econHandler != null && plotArea.useEconomy() && price > 0d) {
if (this.econHandler.isEnabled(plotArea) && price > 0d) {
this.econHandler.withdrawMoney(player, price);
player.sendMessage(
TranslatableCaption.of("economy.removed_balance"),
@ -202,7 +202,7 @@ public class Merge extends SubCommand {
uuid = plot.getOwnerAbs();
}
}
if (!force && this.econHandler != null && plotArea.useEconomy() && price > 0d
if (!force && this.econHandler.isEnabled(plotArea) && price > 0d
&& this.econHandler.getMoney(player) < price) {
player.sendMessage(
TranslatableCaption.of("economy.cannot_afford_merge"),
@ -225,7 +225,7 @@ public class Merge extends SubCommand {
return true;
}
if (plot.getPlotModificationManager().autoMerge(direction, maxSize - size, uuid, terrain)) {
if (this.econHandler != null && plotArea.useEconomy() && price > 0d) {
if (this.econHandler.isEnabled(plotArea) && price > 0d) {
this.econHandler.withdrawMoney(player, price);
player.sendMessage(
TranslatableCaption.of("economy.removed_balance"),
@ -265,7 +265,7 @@ public class Merge extends SubCommand {
accepter.sendMessage(TranslatableCaption.of("merge.merge_not_valid"));
return;
}
if (this.econHandler != null && plotArea.useEconomy() && price > 0d) {
if (this.econHandler.isEnabled(plotArea) && price > 0d) {
if (!force && this.econHandler.getMoney(player) < price) {
player.sendMessage(
TranslatableCaption.of("economy.cannot_afford_merge"),

6
Core/src/main/java/com/plotsquared/core/components/ComponentPresetManager.java
View File

@ -71,7 +71,7 @@ public class ComponentPresetManager {
private final EconHandler econHandler;
private final InventoryUtil inventoryUtil;
@Inject public ComponentPresetManager(@Nullable final EconHandler econHandler, @Nonnull final InventoryUtil inventoryUtil) {
@Inject public ComponentPresetManager(@Nonnull final EconHandler econHandler, @Nonnull final InventoryUtil inventoryUtil) {
this.econHandler = econHandler;
this.inventoryUtil = inventoryUtil;
final File file = new File(Objects.requireNonNull(PlotSquared.platform()).getDirectory(), "components.yml");
@ -179,7 +179,7 @@ public class ComponentPresetManager {
return false;
}
if (componentPreset.getCost() > 0.0D && econHandler != null && plot.getArea().useEconomy()) {
if (componentPreset.getCost() > 0.0D && econHandler.isEnabled(plot.getArea())) {
if (econHandler.getMoney(getPlayer()) < componentPreset.getCost()) {
getPlayer().sendMessage(TranslatableCaption.of("preset.preset_cannot_afford"));
return false;
@ -208,7 +208,7 @@ public class ComponentPresetManager {
for (int i = 0; i < allowedPresets.size(); i++) {
final ComponentPreset preset = allowedPresets.get(i);
final List<String> lore = new ArrayList<>();
if (preset.getCost() > 0 && this.econHandler != null && plot.getArea().useEconomy()) {
if (preset.getCost() > 0 && this.econHandler.isEnabled(plot.getArea())) {
lore.add(MINI_MESSAGE.serialize(MINI_MESSAGE.parse(TranslatableCaption.of("preset.preset_lore_cost").getComponent(player),
Template.of("cost", String.format("%.2f", preset.getCost())))));
}

2
Core/src/main/java/com/plotsquared/core/generator/ClassicPlotWorld.java
View File

@ -67,7 +67,7 @@ public abstract class ClassicPlotWorld extends SquarePlotWorld {
@Nonnull final PlotId max,
@WorldConfig @Nonnull final YamlConfiguration worldConfiguration,
@Nonnull final GlobalBlockQueue blockQueue,
@Nullable final EconHandler econHandler) {
@Nonnull final EconHandler econHandler) {
super(worldName, id, generator, min, max, worldConfiguration, blockQueue, econHandler);
}

2
Core/src/main/java/com/plotsquared/core/player/ConsolePlayer.java
View File

@ -70,7 +70,7 @@ public class ConsolePlayer extends PlotPlayer<Actor> {
@ConsoleActor @Nonnull final Actor actor,
@Nullable final EconHandler econHandler,
@Nonnull final PermissionHandler permissionHandler) {
super(plotAreaManager, eventDispatcher, econHandler, permissionHandler);
super(plotAreaManager, eventDispatcher, permissionHandler);
this.actor = actor;
this.setupPermissionProfile();
final PlotArea[] areas = plotAreaManager.getAllPlotAreas();

28
Core/src/main/java/com/plotsquared/core/player/PlotPlayer.java
View File

@ -55,7 +55,6 @@ import com.plotsquared.core.plot.world.PlotAreaManager;
import com.plotsquared.core.plot.world.SinglePlotArea;
import com.plotsquared.core.plot.world.SinglePlotAreaManager;
import com.plotsquared.core.synchronization.LockRepository;
import com.plotsquared.core.util.EconHandler;
import com.plotsquared.core.util.EventDispatcher;
import com.plotsquared.core.util.Permissions;
import com.plotsquared.core.util.query.PlotQuery;
@ -116,16 +115,14 @@ public abstract class PlotPlayer<P> implements CommandCaller, OfflinePlotPlayer,
private final PlotAreaManager plotAreaManager;
private final EventDispatcher eventDispatcher;
private final EconHandler econHandler;
private final PermissionHandler permissionHandler;
// Delayed initialisation
private PermissionProfile permissionProfile;
public PlotPlayer(@Nonnull final PlotAreaManager plotAreaManager, @Nonnull final EventDispatcher eventDispatcher, @Nullable final EconHandler econHandler,
public PlotPlayer(@Nonnull final PlotAreaManager plotAreaManager, @Nonnull final EventDispatcher eventDispatcher,
@Nonnull final PermissionHandler permissionHandler) {
this.plotAreaManager = plotAreaManager;
this.eventDispatcher = eventDispatcher;
this.econHandler = econHandler;
this.permissionHandler = permissionHandler;
}
@ -905,29 +902,6 @@ public abstract class PlotPlayer<P> implements CommandCaller, OfflinePlotPlayer,
*/
@Nonnull public abstract Audience getAudience();
/**
* The amount of money this Player has.
*
* @return amount of money owned by the player
*/
public double getMoney() {
return this.econHandler == null ?
0 :
this.econHandler.getMoney(this);
}
public void withdraw(double amount) {
if (this.econHandler != null) {
this.econHandler.withdrawMoney(this, amount);
}
}
public void deposit(double amount) {
if (this.econHandler != null) {
this.econHandler.depositMoney(this, amount);
}
}
/**
* Get this player's {@link LockRepository}
*

72
Core/src/main/java/com/plotsquared/core/util/EconHandler.java
View File

@ -28,9 +28,26 @@ package com.plotsquared.core.util;
import com.plotsquared.core.player.ConsolePlayer;
import com.plotsquared.core.player.OfflinePlotPlayer;
import com.plotsquared.core.player.PlotPlayer;
import com.plotsquared.core.plot.PlotArea;
import com.sk89q.worldedit.EditSession;
public abstract class EconHandler {
/**
* Returns an econ handler that:
* <ul>
* <li>Returns {@code false} on {@link #isEnabled(PlotArea)}</li>
* <li>Returns {@link Double#MIN_VALUE} on {@link #getBalance(PlotPlayer)}</li>
* <li>Doesn't do anything for {@link #withdrawMoney(PlotPlayer, double)},
* {@link #depositMoney(OfflinePlotPlayer, double)}
* {@link #depositMoney(PlotPlayer, double)}</li>
* </ul>
* @return A null econ handler
*/
public static EconHandler nullEconHandler() {
return new NullEconHandler();
}
public abstract boolean init();
public double getMoney(PlotPlayer<?> player) {
@ -48,4 +65,59 @@ public abstract class EconHandler {
public abstract void depositMoney(OfflinePlotPlayer player, double amount);
/**
* Returns whether economy is enabled in the given plot area or not.
* Implementations should only return true if {@link #isSupported()} returns
* true too.
*
* @param plotArea the plot area to check
* @return {@code true} if economy is enabled on the given plot area, {@code false} otherwise.
*/
public abstract boolean isEnabled(PlotArea plotArea);
/**
* Returns whether economy is supported by the server or not.
*
* @return {@code true} if economy is supported, {@code false} otherwise.
*/
public abstract boolean isSupported();
private static final class NullEconHandler extends EconHandler {
@Override
public boolean init() {
return false;
}
@Override
public double getBalance(PlotPlayer<?> player) {
return Double.MIN_VALUE;
}
@Override
public void withdrawMoney(PlotPlayer<?> player, double amount) {
}
@Override
public void depositMoney(PlotPlayer<?> player, double amount) {
}
@Override
public void depositMoney(OfflinePlotPlayer player, double amount) {
}
@Override
public boolean isEnabled(PlotArea plotArea) {
return false;
}
@Override
public boolean isSupported() {
return false;
}
}
}