PotatoCraft-Studio#248 Force enable enchance-shop-protect when using SHULKER as shop-block

Author: sandtechnology

src/main/java/org/maxgamer/quickshop/util/Util.java

@@ -32,7 +32,13 @@
 import net.md_5.bungee.api.chat.TranslatableComponent;
 import net.md_5.bungee.chat.ComponentSerializer;
 import org.apache.commons.lang3.StringUtils;
-import org.bukkit.*;
+import org.bukkit.Bukkit;
+import org.bukkit.DyeColor;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.Tag;
+import org.bukkit.World;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.block.BlockState;
@@ -66,7 +72,13 @@
 import org.yaml.snakeyaml.DumperOptions;
 import org.yaml.snakeyaml.Yaml;
 
-import java.io.*;
+import java.io.BufferedWriter;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
 import java.lang.management.ManagementFactory;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
@@ -75,8 +87,20 @@
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.util.AbstractMap.SimpleEntry;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.EnumMap;
+import java.util.EnumSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
 import java.util.Map.Entry;
+import java.util.Objects;
+import java.util.Set;
+import java.util.StringJoiner;
+import java.util.TimeZone;
+import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 import java.util.logging.Level;
@@ -684,7 +708,12 @@ public static void initialize() {
             if (mat == null) {
                 plugin.getLogger().warning("Invalid shop-block: " + s);
             } else {
-                SHOPABLES.add(mat);
+                if (!mat.name().contains("SHULKER")) {
+                    SHOPABLES.add(mat);
+                } else {
+                    plugin.getConfig().set("shop.enchance-shop-protect", true);
+                    plugin.getLogger().log(java.util.logging.Level.SEVERE, "enchance-shop-protect settings was forced enabled to prevent the piston bug, see: https://github.com/PotatoCraft-Studio/QuickShop-Reremake/issues/248");
+                }
             }
         }
         List<String> configBlacklist = plugin.getConfig().getStringList("blacklist");