Gson interface (#109)

* Add gson-interface

* Add gson-interface

* Update license things

10 files changed, 1051 insertions, 7 deletions

diff --git a/src/main/java/cc/polyfrost/oneconfig/config/Config.java b/src/main/java/cc/polyfrost/oneconfig/config/Config.java
index eb74d2a..87ade90 100644
--- a/src/main/java/cc/polyfrost/oneconfig/config/Config.java
+++ b/src/main/java/cc/polyfrost/oneconfig/config/Config.java
@@ -34,8 +34,9 @@ import cc.polyfrost.oneconfig.config.data.PageLocation;
 import cc.polyfrost.oneconfig.config.elements.BasicOption;
 import cc.polyfrost.oneconfig.config.elements.OptionPage;
 import cc.polyfrost.oneconfig.config.elements.OptionSubcategory;
-import cc.polyfrost.oneconfig.config.gson.NonProfileSpecificExclusionStrategy;
-import cc.polyfrost.oneconfig.config.gson.ProfileExclusionStrategy;
+import cc.polyfrost.oneconfig.config.gson.exclusion.NonProfileSpecificExclusionStrategy;
+import cc.polyfrost.oneconfig.config.gson.exclusion.ProfileExclusionStrategy;
+import cc.polyfrost.oneconfig.config.gson.gsoninterface.InterfaceAdapterFactory;
 import cc.polyfrost.oneconfig.gui.elements.config.ConfigKeyBind;
 import cc.polyfrost.oneconfig.gui.OneConfigGui;
 import cc.polyfrost.oneconfig.gui.elements.config.ConfigPageButton;
@@ -63,8 +64,18 @@ import java.util.function.Supplier;
 public class Config {
     public final transient HashMap<String, BasicOption> optionNames = new HashMap<>();
     transient protected final String configFile;
-    transient protected final Gson gson = new GsonBuilder().setExclusionStrategies(new ProfileExclusionStrategy()).excludeFieldsWithModifiers(Modifier.TRANSIENT).setPrettyPrinting().create();
-    transient protected final Gson nonProfileSpecificGson = new GsonBuilder().setExclusionStrategies(new NonProfileSpecificExclusionStrategy()).excludeFieldsWithModifiers(Modifier.TRANSIENT).setPrettyPrinting().create();
+    transient protected final Gson gson = new GsonBuilder()
+            .setExclusionStrategies(new ProfileExclusionStrategy())
+            .registerTypeAdapterFactory(new InterfaceAdapterFactory())
+            .excludeFieldsWithModifiers(Modifier.TRANSIENT)
+            .setPrettyPrinting()
+            .create();
+    transient protected final Gson nonProfileSpecificGson = new GsonBuilder()
+            .setExclusionStrategies(new NonProfileSpecificExclusionStrategy())
+            .registerTypeAdapterFactory(new InterfaceAdapterFactory())
+            .excludeFieldsWithModifiers(Modifier.TRANSIENT)
+            .setPrettyPrinting()
+            .create();
     transient protected final HashMap<Field, Object> defaults = new HashMap<>();
     transient public Mod mod;
     public boolean enabled;
diff --git a/src/main/java/cc/polyfrost/oneconfig/config/gson/ExclusionUtils.java b/src/main/java/cc/polyfrost/oneconfig/config/gson/exclusion/ExclusionUtils.java
index 031efa6..efad110 100644
--- a/src/main/java/cc/polyfrost/oneconfig/config/gson/ExclusionUtils.java
+++ b/src/main/java/cc/polyfrost/oneconfig/config/gson/exclusion/ExclusionUtils.java
@@ -24,7 +24,7 @@
  * <https://polyfrost.cc/legal/oneconfig/additional-terms>
  */
 
-package cc.polyfrost.oneconfig.config.gson;
+package cc.polyfrost.oneconfig.config.gson.exclusion;
 
 public class ExclusionUtils {
     protected static boolean isSuperClassOf(Class<?> clazz, Class<?> parentClass) {
diff --git a/src/main/java/cc/polyfrost/oneconfig/config/gson/NonProfileSpecificExclusionStrategy.java b/src/main/java/cc/polyfrost/oneconfig/config/gson/exclusion/NonProfileSpecificExclusionStrategy.java
index 82dd1c5..ae4e7ac 100644
--- a/src/main/java/cc/polyfrost/oneconfig/config/gson/NonProfileSpecificExclusionStrategy.java
+++ b/src/main/java/cc/polyfrost/oneconfig/config/gson/exclusion/NonProfileSpecificExclusionStrategy.java
@@ -24,7 +24,7 @@
  * <https://polyfrost.cc/legal/oneconfig/additional-terms>
  */
 
-package cc.polyfrost.oneconfig.config.gson;
+package cc.polyfrost.oneconfig.config.gson.exclusion;
 
 import cc.polyfrost.oneconfig.config.Config;
 import cc.polyfrost.oneconfig.config.annotations.Exclude;
diff --git a/src/main/java/cc/polyfrost/oneconfig/config/gson/ProfileExclusionStrategy.java b/src/main/java/cc/polyfrost/oneconfig/config/gson/exclusion/ProfileExclusionStrategy.java
index 3f0a97b..e15a6ec 100644
--- a/src/main/java/cc/polyfrost/oneconfig/config/gson/ProfileExclusionStrategy.java
+++ b/src/main/java/cc/polyfrost/oneconfig/config/gson/exclusion/ProfileExclusionStrategy.java
@@ -24,7 +24,7 @@
  * <https://polyfrost.cc/legal/oneconfig/additional-terms>
  */
 
-package cc.polyfrost.oneconfig.config.gson;
+package cc.polyfrost.oneconfig.config.gson.exclusion;
 
 import cc.polyfrost.oneconfig.config.Config;
 import cc.polyfrost.oneconfig.config.annotations.Exclude;
diff --git a/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/GsonContext.java b/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/GsonContext.java
new file mode 100644
index 0000000..e27a362
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/GsonContext.java
@@ -0,0 +1,123 @@
+package cc.polyfrost.oneconfig.config.gson.gsoninterface;
+
+/*
+ * This file is part of OneConfig.
+ * OneConfig - Next Generation Config Library for Minecraft: Java Edition
+ * Copyright (C) 2021, 2022 Polyfrost.
+ *
+ *   <https://polyfrost.cc> <https://github.com/Polyfrost/>
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ *   OneConfig is licensed under the terms of version 3 of the GNU Lesser
+ * General Public License as published by the Free Software Foundation, AND
+ * under the Additional Terms Applicable to OneConfig, as published by Polyfrost,
+ * either version 1.0 of the Additional Terms, 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
+ * Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public
+ * License.  If not, see <https://www.gnu.org/licenses/>. You should
+ * have also received a copy of the Additional Terms Applicable
+ * to OneConfig, as published by Polyfrost. If not, see
+ * <https://polyfrost.cc/legal/oneconfig/additional-terms>
+
+ * This file contains an adaptation of code from gson-interface
+ * Project found at <https://github.com/mintern/gson-interface>
+ * For the avoidance of doubt, this file is still licensed under the terms
+ * of OneConfig's Licensing.
+ *
+ *                 LICENSE NOTICE FOR ADAPTED CODE
+ *
+ * Copyright (C) 2012, Brandon Mintern, EasyESI, Berkeley, CA
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither gson-interface nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BRANDON MINTERN OR EASYESI BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonIOException;
+import com.google.gson.TypeAdapter;
+import com.google.gson.internal.bind.JsonTreeReader;
+import com.google.gson.internal.bind.JsonTreeWriter;
+
+import java.io.IOException;
+import java.lang.reflect.Type;
+
+/**
+ * @author mintern
+ */
+public class GsonContext<T> {
+    private final Gson gson;
+    private final InterfaceAdapterFactory.InterfaceTypeAdapter<T> constructingAdapter;
+
+    public GsonContext(Gson g, InterfaceAdapterFactory.InterfaceTypeAdapter<T> ita) {
+        gson = g;
+        constructingAdapter = ita;
+    }
+
+    public JsonElement toJsonTree(Object obj) {
+        return gson.toJsonTree(obj);
+    }
+
+    public JsonElement thisToJsonTree(T obj) throws JsonIOException {
+        JsonTreeWriter writer = new JsonTreeWriter();
+        try {
+            constructingAdapter.getDelegate().write(writer, obj);
+        } catch (IOException e) {
+            throw new JsonIOException(e);
+        }
+        return writer.get();
+    }
+
+    public <C> C fromJsonTree(JsonElement json, Class<C> type) {
+        return gson.fromJson(json, type);
+    }
+
+    public <C> C fromJsonTree(JsonElement json, Type typeOfC) {
+        return (C) gson.fromJson(json, typeOfC);
+    }
+
+    public T thisFromJsonTree(JsonElement json) throws JsonIOException {
+        try {
+            return constructingAdapter.getDelegate().read(new JsonTreeReader(json));
+        } catch (IOException e) {
+            throw new JsonIOException(e);
+        }
+    }
+
+    public <C extends T> C thisFromJsonTree(JsonElement json, Type typeOfC) {
+        TypeAdapter<C> adapter = constructingAdapter.getNextAdapter(typeOfC);
+        try {
+            return adapter.read(new JsonTreeReader(json));
+        } catch (IOException e) {
+            throw new JsonIOException(e);
+        }
+    }
+}
diff --git a/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/InterfaceAdapterFactory.java b/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/InterfaceAdapterFactory.java
new file mode 100644
index 0000000..8f7d9d6
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/InterfaceAdapterFactory.java
@@ -0,0 +1,192 @@
+package cc.polyfrost.oneconfig.config.gson.gsoninterface;
+
+/*
+ * This file is part of OneConfig.
+ * OneConfig - Next Generation Config Library for Minecraft: Java Edition
+ * Copyright (C) 2021, 2022 Polyfrost.
+ *
+ *   <https://polyfrost.cc> <https://github.com/Polyfrost/>
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ *   OneConfig is licensed under the terms of version 3 of the GNU Lesser
+ * General Public License as published by the Free Software Foundation, AND
+ * under the Additional Terms Applicable to OneConfig, as published by Polyfrost,
+ * either version 1.0 of the Additional Terms, 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
+ * Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public
+ * License.  If not, see <https://www.gnu.org/licenses/>. You should
+ * have also received a copy of the Additional Terms Applicable
+ * to OneConfig, as published by Polyfrost. If not, see
+ * <https://polyfrost.cc/legal/oneconfig/additional-terms>
+
+ * This file contains an adaptation of code from gson-interface
+ * Project found at <https://github.com/mintern/gson-interface>
+ * For the avoidance of doubt, this file is still licensed under the terms
+ * of OneConfig's Licensing.
+ *
+ *                 LICENSE NOTICE FOR ADAPTED CODE
+ *
+ * Copyright (C) 2012, Brandon Mintern, EasyESI, Berkeley, CA
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither gson-interface nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BRANDON MINTERN OR EASYESI BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+import com.google.gson.*;
+import com.google.gson.internal.Streams;
+import com.google.gson.reflect.TypeToken;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonWriter;
+
+import java.io.IOException;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Type;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author mintern
+ */
+public class InterfaceAdapterFactory implements TypeAdapterFactory {
+    @Override
+    public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> tt) {
+        Class<T> rawType = Reflection.classOfType(tt.getRawType());
+        boolean serializes = JsonSerialization.class.isAssignableFrom(rawType);
+        Constructor<JsonDeserializes<T>> deserializerConstructor = null;
+        Class<JsonDeserializes<T>>[] typeParameters = Reflection.getTypeParameters(rawType, JsonDeserialization.class);
+        if (typeParameters != null) {
+            deserializerConstructor = Reflection.getConstructor(typeParameters[0]);
+        }
+        if (serializes || deserializerConstructor != null) {
+            return new InterfaceTypeAdapter(serializes, deserializerConstructor, gson, tt, this);
+        }
+        return null;
+    }
+
+    public static class InterfaceTypeAdapter<T> extends TypeAdapter<T> {
+        // This map ensures that only one deserializer of each type exists.
+        private static final Map<Class, JsonDeserializes<?>> deserializerInstances = new HashMap();
+
+        // Fields set in the constructor
+        private final boolean selfSerializing;
+        private final Constructor<JsonDeserializes<T>> deserializerConstructor;
+        private final Gson gson;
+        private final TypeToken<T> typeToken;
+        private final TypeAdapterFactory thisFactory;
+
+        // Adapters that follow this one in the chain for the indicated type
+        private final Map<Type, TypeAdapter> nextAdapters = new HashMap();
+
+        // Lazily-initialized fields. Call their corresponding getters in
+        // order to access them.
+        private TypeAdapter<T> delegate;
+        private GsonContext gsonContext;
+
+        private InterfaceTypeAdapter(
+                boolean serializes,
+                Constructor<JsonDeserializes<T>> dsc,
+                Gson g,
+                TypeToken<T> tt,
+                TypeAdapterFactory factory) {
+            selfSerializing = serializes;
+            if (dsc != null) {
+                dsc.setAccessible(true);
+            }
+            deserializerConstructor = dsc;
+            gson = g;
+            typeToken = tt;
+            thisFactory = factory;
+        }
+
+        @Override
+        public void write(JsonWriter writer, T value) throws IOException {
+            if (!selfSerializing) {
+                getDelegate().write(writer, value);
+            } else if (value == null) {
+                writer.nullValue();
+            } else {
+                JsonElement tree = ((JsonSerialization) value).toJsonTree(gsonContext());
+                Streams.write(tree, writer);
+            }
+        }
+
+        @Override
+        public T read(JsonReader reader) throws IOException {
+            if (deserializerConstructor == null) {
+                return getDelegate().read(reader);
+            }
+            JsonElement json = Streams.parse(reader);
+            if (json.isJsonNull()) {
+                return null;
+            }
+            return (T) deserializer().fromJsonTree(json, typeToken.getType(), gsonContext());
+        }
+
+        synchronized TypeAdapter<T> getDelegate() {
+            if (delegate == null) {
+                delegate = gson.getDelegateAdapter(thisFactory, typeToken);
+            }
+            return delegate;
+        }
+
+        private synchronized GsonContext gsonContext() {
+            if (gsonContext == null) {
+                gsonContext = new GsonContext(gson, this);
+            }
+            return gsonContext;
+        }
+
+        synchronized <C extends T> TypeAdapter<C> getNextAdapter(Type typeOfC) {
+            TypeAdapter<C> nextAdapter = nextAdapters.get(typeOfC);
+            if (nextAdapter == null) {
+                nextAdapter = gson.getDelegateAdapter(thisFactory, (TypeToken<C>) TypeToken.get(typeOfC));
+                nextAdapters.put(typeOfC, nextAdapter);
+            }
+            return nextAdapter;
+        }
+
+        private JsonDeserializes<T> deserializer() {
+            synchronized (deserializerInstances) {
+                Class<JsonDeserializes<T>> c = deserializerConstructor.getDeclaringClass();
+                JsonDeserializes<T> deserializer = (JsonDeserializes<T>) deserializerInstances.get(c);
+                if (deserializer == null) {
+                    try {
+                        deserializer = deserializerConstructor.newInstance();
+                    } catch (Exception e) {
+                        throw new JsonParseException(e);
+                    }
+                    deserializerInstances.put(c, deserializer);
+                }
+                return deserializer;
+            }
+        }
+    }
+}
diff --git a/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/JsonDeserialization.java b/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/JsonDeserialization.java
new file mode 100644
index 0000000..436d897
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/JsonDeserialization.java
@@ -0,0 +1,63 @@
+package cc.polyfrost.oneconfig.config.gson.gsoninterface;
+
+/*
+ * This file is part of OneConfig.
+ * OneConfig - Next Generation Config Library for Minecraft: Java Edition
+ * Copyright (C) 2021, 2022 Polyfrost.
+ *
+ *   <https://polyfrost.cc> <https://github.com/Polyfrost/>
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ *   OneConfig is licensed under the terms of version 3 of the GNU Lesser
+ * General Public License as published by the Free Software Foundation, AND
+ * under the Additional Terms Applicable to OneConfig, as published by Polyfrost,
+ * either version 1.0 of the Additional Terms, 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
+ * Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public
+ * License.  If not, see <https://www.gnu.org/licenses/>. You should
+ * have also received a copy of the Additional Terms Applicable
+ * to OneConfig, as published by Polyfrost. If not, see
+ * <https://polyfrost.cc/legal/oneconfig/additional-terms>
+
+ * This file contains an adaptation of code from gson-interface
+ * Project found at <https://github.com/mintern/gson-interface>
+ * For the avoidance of doubt, this file is still licensed under the terms
+ * of OneConfig's Licensing.
+ *
+ *                 LICENSE NOTICE FOR ADAPTED CODE
+ *
+ * Copyright (C) 2012, Brandon Mintern, EasyESI, Berkeley, CA
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither gson-interface nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BRANDON MINTERN OR EASYESI BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+public interface JsonDeserialization<D extends JsonDeserializes<? extends JsonDeserialization<D>>> {
+}
diff --git a/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/JsonDeserializes.java b/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/JsonDeserializes.java
new file mode 100644
index 0000000..ecdf8e5
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/JsonDeserializes.java
@@ -0,0 +1,72 @@
+package cc.polyfrost.oneconfig.config.gson.gsoninterface;
+
+/*
+ * This file is part of OneConfig.
+ * OneConfig - Next Generation Config Library for Minecraft: Java Edition
+ * Copyright (C) 2021, 2022 Polyfrost.
+ *
+ *   <https://polyfrost.cc> <https://github.com/Polyfrost/>
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ *   OneConfig is licensed under the terms of version 3 of the GNU Lesser
+ * General Public License as published by the Free Software Foundation, AND
+ * under the Additional Terms Applicable to OneConfig, as published by Polyfrost,
+ * either version 1.0 of the Additional Terms, 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
+ * Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public
+ * License.  If not, see <https://www.gnu.org/licenses/>. You should
+ * have also received a copy of the Additional Terms Applicable
+ * to OneConfig, as published by Polyfrost. If not, see
+ * <https://polyfrost.cc/legal/oneconfig/additional-terms>
+
+ * This file contains an adaptation of code from gson-interface
+ * Project found at <https://github.com/mintern/gson-interface>
+ * For the avoidance of doubt, this file is still licensed under the terms
+ * of OneConfig's Licensing.
+ *
+ *                 LICENSE NOTICE FOR ADAPTED CODE
+ *
+ * Copyright (C) 2012, Brandon Mintern, EasyESI, Berkeley, CA
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither gson-interface nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BRANDON MINTERN OR EASYESI BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+import com.google.gson.JsonElement;
+
+import java.lang.reflect.Type;
+
+/**
+ * @author mintern
+ */
+public interface JsonDeserializes<T> {
+    T fromJsonTree(JsonElement json, Type type, GsonContext<T> context);
+}
diff --git a/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/JsonSerialization.java b/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/JsonSerialization.java
new file mode 100644
index 0000000..3cae64d
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/JsonSerialization.java
@@ -0,0 +1,70 @@
+package cc.polyfrost.oneconfig.config.gson.gsoninterface;
+
+/*
+ * This file is part of OneConfig.
+ * OneConfig - Next Generation Config Library for Minecraft: Java Edition
+ * Copyright (C) 2021, 2022 Polyfrost.
+ *
+ *   <https://polyfrost.cc> <https://github.com/Polyfrost/>
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ *   OneConfig is licensed under the terms of version 3 of the GNU Lesser
+ * General Public License as published by the Free Software Foundation, AND
+ * under the Additional Terms Applicable to OneConfig, as published by Polyfrost,
+ * either version 1.0 of the Additional Terms, 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
+ * Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public
+ * License.  If not, see <https://www.gnu.org/licenses/>. You should
+ * have also received a copy of the Additional Terms Applicable
+ * to OneConfig, as published by Polyfrost. If not, see
+ * <https://polyfrost.cc/legal/oneconfig/additional-terms>
+
+ * This file contains an adaptation of code from gson-interface
+ * Project found at <https://github.com/mintern/gson-interface>
+ * For the avoidance of doubt, this file is still licensed under the terms
+ * of OneConfig's Licensing.
+ *
+ *                 LICENSE NOTICE FOR ADAPTED CODE
+ *
+ * Copyright (C) 2012, Brandon Mintern, EasyESI, Berkeley, CA
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither gson-interface nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BRANDON MINTERN OR EASYESI BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+import com.google.gson.JsonElement;
+
+/**
+ * @author mintern
+ */
+public interface JsonSerialization<T extends JsonSerialization<T>> {
+    public JsonElement toJsonTree(GsonContext<T> context);
+}
diff --git a/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/Reflection.java b/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/Reflection.java
new file mode 100644
index 0000000..ee50b64
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/config/gson/gsoninterface/Reflection.java
@@ -0,0 +1,513 @@
+package cc.polyfrost.oneconfig.config.gson.gsoninterface;
+
+/*
+ * This file is part of OneConfig.
+ * OneConfig - Next Generation Config Library for Minecraft: Java Edition
+ * Copyright (C) 2021, 2022 Polyfrost.
+ *
+ *   <https://polyfrost.cc> <https://github.com/Polyfrost/>
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ *   OneConfig is licensed under the terms of version 3 of the GNU Lesser
+ * General Public License as published by the Free Software Foundation, AND
+ * under the Additional Terms Applicable to OneConfig, as published by Polyfrost,
+ * either version 1.0 of the Additional Terms, 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
+ * Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public
+ * License.  If not, see <https://www.gnu.org/licenses/>. You should
+ * have also received a copy of the Additional Terms Applicable
+ * to OneConfig, as published by Polyfrost. If not, see
+ * <https://polyfrost.cc/legal/oneconfig/additional-terms>
+
+ * This file contains an adaptation of code from gson-interface
+ * Project found at <https://github.com/mintern/gson-interface>
+ * For the avoidance of doubt, this file is still licensed under the terms
+ * of OneConfig's Licensing.
+ *
+ *                 LICENSE NOTICE FOR ADAPTED CODE
+ *
+ * Copyright (C) 2012, Brandon Mintern, EasyESI, Berkeley, CA
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither gson-interface nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BRANDON MINTERN OR EASYESI BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+import java.lang.reflect.*;
+import java.util.ArrayList;
+import java.util.EmptyStackException;
+
+/**
+ * Provides various static helper methods that add a high-level interface to
+ * introspection and reflection.
+ *
+ * @author mintern
+ */
+public class Reflection {
+    /**
+     * A wrapper for Class.newInstance() that throws an unchecked Exception.
+     * It also ensures that even private constructors can be called.
+     *
+     * @param c the class on which to call newInstance()
+     * @return the object returned from c.newInstance()
+     * @throws IllegalArgumentException if there was an exception
+     *                                  constructing the instance
+     */
+    public static <T> T newInstance(Class<T> c) {
+        try {
+            return constructAnyway(c.getDeclaredConstructor());