Re-add support for PlotSquared v4

pom.xml

@@ -162,6 +162,13 @@
             <scope>system</scope>
             <systemPath>${project.basedir}/lib/IslandWorld-8.5.jar</systemPath>
         </dependency>
+        <dependency>
+            <groupId>com.github.intellectualsites.plotsquared</groupId>
+            <artifactId>PlotSquared-API</artifactId>
+            <version>4.495</version>
+            <scope>system</scope>
+            <systemPath>${project.basedir}/lib/PlotSquared-Bukkit-4.4.495.jar</systemPath>
+        </dependency>
         
         <!-- Shaded dependencies -->
         <dependency>

src/main/java/de/epiceric/shopchest/ShopChest.java

@@ -35,6 +35,7 @@ import de.epiceric.shopchest.config.Config;
 import de.epiceric.shopchest.config.HologramFormat;
 import de.epiceric.shopchest.event.ShopInitializedEvent;
 import de.epiceric.shopchest.external.BentoBoxShopFlag;
+import de.epiceric.shopchest.external.PlotSquaredOldShopFlag;
 import de.epiceric.shopchest.external.PlotSquaredShopFlag;
 import de.epiceric.shopchest.external.WorldGuardShopFlag;
 import de.epiceric.shopchest.external.listeners.ASkyBlockListener;
@@ -318,14 +319,12 @@ public class ShopChest extends JavaPlugin {
             WorldGuardWrapper.getInstance().registerEvents(this);
         }
 
-        if (getServer().getPluginManager().isPluginEnabled("PlotSquared")) {
+        if (hasPlotSquared()) {
             try {
                 Class.forName("com.plotsquared.core.PlotSquared");
                 PlotSquaredShopFlag.register(this);
             } catch (ClassNotFoundException ex) {
-                String ver = getServer().getPluginManager().getPlugin("PlotSquared").getDescription().getVersion();
+                PlotSquaredOldShopFlag.register(this);
-                debug("PlotSquared v5 required. Installed: " + ver);
-                getLogger().warning("PlotSquared v5 required. You have version " + ver);
             }
         }
 
@@ -627,14 +626,6 @@ public class ShopChest extends JavaPlugin {
             // Supported PlotSquared versions don't support versions below 1.13
             return false;
         }
-
-        try {
-            // Check for PlotSquared v5
-            Class.forName("com.plotsquared.core.PlotSquared");
-        } catch (ClassNotFoundException ex) {
-            return false;
-        }
-
         Plugin p = getServer().getPluginManager().getPlugin("PlotSquared");
         return p != null && p.isEnabled();
     }

src/main/java/de/epiceric/shopchest/external/PlotSquaredOldShopFlag.java

@@ -0,0 +1,114 @@
+package de.epiceric.shopchest.external;
+
+import com.github.intellectualsites.plotsquared.plot.flag.Flag;
+import com.github.intellectualsites.plotsquared.plot.flag.Flags;
+import com.github.intellectualsites.plotsquared.plot.object.Plot;
+
+import org.bukkit.entity.Player;
+
+import de.epiceric.shopchest.ShopChest;
+
+import java.util.Locale;
+
+public class PlotSquaredOldShopFlag {
+
+    private static boolean registered = false;
+
+    public enum Group {
+        OWNERS, MEMBERS, TRUSTED, EVERYONE, NONE
+    }
+
+    public static GroupFlag CREATE_SHOP = new GroupFlag("create-shop");
+    public static GroupFlag USE_SHOP = new GroupFlag("use-shop");
+    public static GroupFlag USE_ADMIN_SHOP = new GroupFlag("use-admin-shop");
+
+    public static void register(ShopChest plugin) {
+        if (registered) return;
+
+        Flags.registerFlag(CREATE_SHOP);
+        Flags.registerFlag(USE_SHOP);
+        Flags.registerFlag(USE_ADMIN_SHOP);
+        registered = true;
+
+        plugin.debug("Registered custom PlotSquared flags");
+    }
+
+    /**
+     * Check if a flag is allowed for a player on a plot from PlotSquared
+     * @param plot Plot from PlotSquared
+     * @param flag Flag to check
+     * @param p Player to check
+     * @return Whether the flag is allowed for the player
+     */
+    public static boolean isFlagAllowedOnPlot(Plot plot, GroupFlag flag, Player p) {
+        if (plot != null && flag != null) {
+            Group group = plot.getFlag(flag, PlotSquaredOldShopFlag.Group.NONE);
+            ShopChest.getInstance().debug("Flag " + flag.getName() + " is set to " + group);
+
+            switch (group) {
+                case OWNERS:
+                    return plot.getOwners().contains(p.getUniqueId());
+                case TRUSTED:
+                    return plot.getOwners().contains(p.getUniqueId()) || plot.getTrusted().contains(p.getUniqueId());
+                case MEMBERS:
+                    return plot.getOwners().contains(p.getUniqueId()) || plot.getTrusted().contains(p.getUniqueId()) || plot.getMembers().contains(p.getUniqueId());
+                case EVERYONE:
+                    return true;
+                case NONE:
+                    return false;
+            }
+        }
+
+        ShopChest.getInstance().debug("Flag or plot is null, or value of flag is not a group");
+
+        return true;
+    }
+
+    public static class GroupFlag extends Flag<Group> {
+
+        public GroupFlag(String name) {
+            super(name);
+        }
+
+        @Override
+        public String valueToString(Object value) {
+            return String.valueOf(value);
+        }
+
+        @Override
+        public Group parseValue(String s) {
+            String val = s.toLowerCase(Locale.ENGLISH);
+
+            switch (val) {
+                case "owners":
+                case "owner":
+                    return Group.OWNERS;
+                case "members":
+                case "member":
+                case "helpers":
+                case "helper":
+                    return Group.MEMBERS;
+                case "trusted":
+                    return Group.TRUSTED;
+                case "everyone":
+                case "all":
+                    return Group.EVERYONE;
+                case "deny":
+                case "false":
+                case "no":
+                case "0":
+                case "none":
+                case "noone":
+                    return Group.NONE;
+            }
+
+            return null;
+        }
+
+        @Override
+        public String getValueDescription() {
+            return "Flag value must be a group: 'owner' , 'members', 'trusted', 'everyone' or 'none'";
+        }
+    }
+
+}

src/main/java/de/epiceric/shopchest/external/listeners/PlotSquaredListener.java

@@ -15,6 +15,7 @@ import de.epiceric.shopchest.ShopChest;
 import de.epiceric.shopchest.config.Config;
 import de.epiceric.shopchest.event.ShopCreateEvent;
 import de.epiceric.shopchest.event.ShopExtendEvent;
+import de.epiceric.shopchest.external.PlotSquaredOldShopFlag;
 import de.epiceric.shopchest.external.PlotSquaredShopFlag;
 import de.epiceric.shopchest.utils.Utils;
 
@@ -65,9 +66,21 @@ public class PlotSquaredListener implements Listener {
     // }
 
     private boolean handleForLocation(Player player, org.bukkit.Location loc, Cancellable e) {
+        boolean isAllowed = false;
+
+        try {
+            Class.forName("com.plotsquared.core.PlotSquared");
             Location plotLocation = new Location(loc.getWorld().getName(), loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
             Plot plot = plotLocation.getOwnedPlot();
-        if (!PlotSquaredShopFlag.isFlagAllowedOnPlot(plot, PlotSquaredShopFlag.CREATE_SHOP, player)) {
+            isAllowed = PlotSquaredShopFlag.isFlagAllowedOnPlot(plot, PlotSquaredShopFlag.CREATE_SHOP, player);
+        } catch (ClassNotFoundException ex) {
+            com.github.intellectualsites.plotsquared.plot.object.Location plotLocation = new com.github.intellectualsites.plotsquared.plot.object.Location(
+                    loc.getWorld().getName(), loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
+            com.github.intellectualsites.plotsquared.plot.object.Plot plot = plotLocation.getOwnedPlot();
+            isAllowed = PlotSquaredOldShopFlag.isFlagAllowedOnPlot(plot, PlotSquaredOldShopFlag.CREATE_SHOP, player);
+        }
+
+        if (!isAllowed) {
             e.setCancelled(true);
             plugin.debug("Cancel Reason: PlotSquared");
             return true;

src/main/java/de/epiceric/shopchest/listeners/ShopInteractListener.java

@@ -10,7 +10,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import com.google.gson.JsonPrimitive;
-import com.plotsquared.core.plot.Plot;
 
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
@@ -44,6 +43,7 @@ import de.epiceric.shopchest.event.ShopCreateEvent;
 import de.epiceric.shopchest.event.ShopInfoEvent;
 import de.epiceric.shopchest.event.ShopOpenEvent;
 import de.epiceric.shopchest.event.ShopRemoveEvent;
+import de.epiceric.shopchest.external.PlotSquaredOldShopFlag;
 import de.epiceric.shopchest.external.PlotSquaredShopFlag;
 import de.epiceric.shopchest.language.LanguageUtils;
 import de.epiceric.shopchest.language.Message;
@@ -254,10 +254,18 @@ public class ShopInteractListener implements Listener {
                             boolean externalPluginsAllowed = true;
 
                             if (plugin.hasPlotSquared() && Config.enablePlotsquaredIntegration) {
+                                try {
+                                    Class.forName("com.plotsquared.core.PlotSquared");
                                     com.plotsquared.core.location.Location plotLocation =
                                             new com.plotsquared.core.location.Location(b.getWorld().getName(), b.getX(), b.getY(), b.getZ());
-                                Plot plot = plotLocation.getOwnedPlot();
+                                    com.plotsquared.core.plot.Plot plot = plotLocation.getOwnedPlot();
                                     externalPluginsAllowed = PlotSquaredShopFlag.isFlagAllowedOnPlot(plot, PlotSquaredShopFlag.USE_SHOP, p);
+                                } catch (ClassNotFoundException ex) {
+                                    com.github.intellectualsites.plotsquared.plot.object.Location plotLocation =
+                                            new com.github.intellectualsites.plotsquared.plot.object.Location(b.getWorld().getName(), b.getX(), b.getY(), b.getZ());
+                                    com.github.intellectualsites.plotsquared.plot.object.Plot plot = plotLocation.getOwnedPlot();
+                                    externalPluginsAllowed = PlotSquaredOldShopFlag.isFlagAllowedOnPlot(plot, PlotSquaredOldShopFlag.USE_SHOP, p);
+                                }
                             }
 
                             if (externalPluginsAllowed && plugin.hasWorldGuard() && Config.enableWorldGuardIntegration) {
@@ -366,10 +374,18 @@ public class ShopInteractListener implements Listener {
                             boolean externalPluginsAllowed = true;
 
                             if (plugin.hasPlotSquared() && Config.enablePlotsquaredIntegration) {
+                                try {
+                                    Class.forName("com.plotsquared.core.PlotSquared");
                                     com.plotsquared.core.location.Location plotLocation =
                                             new com.plotsquared.core.location.Location(b.getWorld().getName(), b.getX(), b.getY(), b.getZ());
-                                Plot plot = plotLocation.getOwnedPlot();
+                                    com.plotsquared.core.plot.Plot plot = plotLocation.getOwnedPlot();
                                     externalPluginsAllowed = PlotSquaredShopFlag.isFlagAllowedOnPlot(plot, PlotSquaredShopFlag.USE_SHOP, p);
+                                } catch (ClassNotFoundException ex) {
+                                    com.github.intellectualsites.plotsquared.plot.object.Location plotLocation =
+                                            new com.github.intellectualsites.plotsquared.plot.object.Location(b.getWorld().getName(), b.getX(), b.getY(), b.getZ());
+                                    com.github.intellectualsites.plotsquared.plot.object.Plot plot = plotLocation.getOwnedPlot();
+                                    externalPluginsAllowed = PlotSquaredOldShopFlag.isFlagAllowedOnPlot(plot, PlotSquaredOldShopFlag.USE_SHOP, p);
+                                }
                             }
 
                             if (externalPluginsAllowed && plugin.hasWorldGuard() && Config.enableWorldGuardIntegration) {