Remove backgroundImageTypeProperty

HMCLCore/src/main/java/org/jackhuang/hmcl/util/EnumOrdinalDeserializer.java

@@ -0,0 +1,63 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hmcl.util;
+
+import java.lang.reflect.Type;
+import java.util.HashMap;
+import java.util.Map;
+
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonParseException;
+import com.google.gson.annotations.SerializedName;
+
+/**
+ * A deserializer that supports deserializing strings and **numbers** into enums.
+ *
+ * @author yushijinhun
+ */
+public class EnumOrdinalDeserializer<T extends Enum<T>> implements JsonDeserializer<T> {
+
+    private Map<String, T> mapping = new HashMap<>();
+
+    public EnumOrdinalDeserializer(Class<T> enumClass) {
+        for (T constant : enumClass.getEnumConstants()) {
+            mapping.put(String.valueOf(constant.ordinal()), constant);
+            String name = constant.name();
+            try {
+                SerializedName annotation = enumClass.getField(name).getAnnotation(SerializedName.class);
+                if (annotation != null) {
+                    name = annotation.value();
+                    for (String alternate : annotation.alternate()) {
+                        mapping.put(alternate, constant);
+                    }
+                }
+            } catch (NoSuchFieldException e) {
+                throw new AssertionError(e);
+            }
+            mapping.put(name, constant);
+        }
+    }
+
+    @Override
+    public T deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
+        return mapping.get(json.getAsString());
+    }
+
+}