1 files changed, 56 insertions, 0 deletions
diff --git a/api/src/main/java/me/shedaniel/rei/server/ContainerInfoHandler.java b/api/src/main/java/me/shedaniel/rei/server/ContainerInfoHandler.java
new file mode 100644
index 000000000..a1149f5e1
--- /dev/null
+++ b/api/src/main/java/me/shedaniel/rei/server/ContainerInfoHandler.java
@@ -0,0 +1,56 @@
+/*
+ * This file is licensed under the MIT License, part of Roughly Enough Items.
+ * Copyright (c) 2018, 2019, 2020 shedaniel
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package me.shedaniel.rei.server;
+
+import com.google.common.collect.Maps;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.inventory.AbstractContainerMenu;
+
+import java.util.Map;
+
+public class ContainerInfoHandler {
+    private static final Map<String, Map<Class<? extends AbstractContainerMenu>, ContainerInfo<? extends AbstractContainerMenu>>> containerInfoMap = Maps.newLinkedHashMap();
+    
+    public static void registerContainerInfo(ResourceLocation category, ContainerInfo<? extends AbstractContainerMenu> containerInfo) {
+        if (!containerInfoMap.containsKey(category.toString()))
+            containerInfoMap.put(category.toString(), Maps.newLinkedHashMap());
+        containerInfoMap.get(category.toString()).put(containerInfo.getContainerClass(), containerInfo);
+    }
+    
+    public static boolean isCategoryHandled(ResourceLocation category) {
+        return containerInfoMap.containsKey(category.toString()) && !containerInfoMap.get(category.toString()).isEmpty();
+    }
+    
+    public static ContainerInfo<? extends AbstractContainerMenu> getContainerInfo(ResourceLocation category, Class<?> containerClass) {
+        if (!isCategoryHandled(category))
+            return null;
+        Map<Class<? extends AbstractContainerMenu>, ContainerInfo<? extends AbstractContainerMenu>> infoMap = containerInfoMap.get(category.toString());
+        if (infoMap.containsKey(containerClass))
+            return infoMap.get(containerClass);
+        for (Map.Entry<Class<? extends AbstractContainerMenu>, ContainerInfo<? extends AbstractContainerMenu>> entry : infoMap.entrySet())
+            if (entry.getKey().isAssignableFrom(containerClass))
+                return entry.getValue();
+        return null;
+    }
+}