Removed the need to register updatable classes - added reflections

eco-core/core-backend/build.gradle

@@ -4,4 +4,5 @@ version rootProject.version
 dependencies {
     compileOnly 'org.spigotmc:spigot-api:1.17-R0.1-SNAPSHOT'
     compileOnly 'me.clip:placeholderapi:2.10.9'
+    compileOnly 'org.reflections:reflections:0.9.12'
 }

eco-core/core-backend/src/main/java/com/willfp/eco/internal/config/updating/EcoConfigHandler.java

@@ -2,83 +2,51 @@ package com.willfp.eco.internal.config.updating;
 
 import com.willfp.eco.core.EcoPlugin;
 import com.willfp.eco.core.PluginDependent;
+import com.willfp.eco.core.config.interfaces.LoadableConfig;
 import com.willfp.eco.core.config.updating.ConfigHandler;
 import com.willfp.eco.core.config.updating.ConfigUpdater;
-import com.willfp.eco.core.config.interfaces.LoadableConfig;
-import com.willfp.eco.internal.config.updating.exceptions.InvalidUpdatableClassException;
 import com.willfp.eco.internal.config.updating.exceptions.InvalidUpdateMethodException;
 import com.willfp.eco.internal.config.yaml.EcoUpdatableYamlConfig;
 import org.jetbrains.annotations.NotNull;
+import org.reflections.Reflections;
+import org.reflections.scanners.MethodAnnotationsScanner;
 
 import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashSet;
 import java.util.List;
-import java.util.Set;
 
 public class EcoConfigHandler extends PluginDependent<EcoPlugin> implements ConfigHandler {
-    /**
-     * A set of all configs that can be saved.
-     */
     private final List<LoadableConfig> configs = new ArrayList<>();
 
-    /**
-     * A set of all classes that can be updated.
-     */
-    private final Set<Class<?>> updatableClasses = new HashSet<>();
+    private final Reflections reflections = new Reflections(this.getPlugin().getClass().getPackageName(), new MethodAnnotationsScanner());
 
-    /**
-     * Creates a new config handler and links it to an {@link EcoPlugin}.
-     *
-     * @param plugin The plugin to manage.
-     */
     public EcoConfigHandler(@NotNull final EcoPlugin plugin) {
         super(plugin);
     }
 
     @Override
     public void callUpdate() {
-        updatableClasses.forEach(clazz -> Arrays.stream(clazz.getDeclaredMethods()).forEach(method -> {
-            if (method.isAnnotationPresent(ConfigUpdater.class)) {
-                if (!Modifier.isStatic(method.getModifiers())) {
-                    throw new InvalidUpdateMethodException("Update method must be static.");
-                }
-
-                try {
-                    if (method.getParameterCount() == 0) {
-                        method.invoke(null);
-                    } else if (method.getParameterCount() == 1) {
-                        method.invoke(null, this.getPlugin());
-                    } else {
-                        throw new InvalidUpdateMethodException("Update method must have 0 parameters or a plugin parameter.");
-                    }
-                } catch (IllegalAccessException | InvocationTargetException e) {
-                    e.printStackTrace();
-                    throw new InvalidUpdateMethodException("Update method generated an exception.");
-                }
+        for (Method method : reflections.getMethodsAnnotatedWith(ConfigUpdater.class)) {
+            if (!Modifier.isStatic(method.getModifiers())) {
+                throw new InvalidUpdateMethodException("Update method must be static.");
             }
-        }));
-    }
 
-    @Override
-    public void registerUpdatableClass(@NotNull final Class<?> updatableClass) {
-        boolean isValid = false;
-        for (Method method : updatableClass.getDeclaredMethods()) {
-            if (Modifier.isStatic(method.getModifiers()) && (method.getParameterCount() == 0 || method.getParameterCount() == 1) && method.isAnnotationPresent(ConfigUpdater.class)) {
-                isValid = true;
-                break;
+            try {
+                if (method.getParameterCount() == 0) {
+                    method.invoke(null);
+                } else if (method.getParameterCount() == 1) {
+                    method.invoke(null, this.getPlugin());
+                } else {
+                    throw new InvalidUpdateMethodException("Update method must have 0 parameters or a plugin parameter.");
+                }
+            } catch (IllegalAccessException | InvocationTargetException e) {
+                e.printStackTrace();
+                throw new InvalidUpdateMethodException("Update method generated an exception.");
             }
         }
-
-        if (!isValid) {
-            throw new InvalidUpdatableClassException("Registered updatable class " + updatableClass + " must have an annotated static method with no modifiers.");
-        }
-
-        updatableClasses.add(updatableClass);
     }
 
     @Override

eco-core/core-backend/src/main/java/com/willfp/eco/internal/config/updating/exceptions/InvalidUpdatableClassException.java

@@ -1,15 +0,0 @@
-package com.willfp.eco.internal.config.updating.exceptions;
-
-import com.willfp.eco.internal.config.updating.EcoConfigHandler;
-import org.jetbrains.annotations.NotNull;
-
-public class InvalidUpdatableClassException extends RuntimeException {
-    /**
-     * Called when an updatable class is registered into an {@link EcoConfigHandler}.
-     *
-     * @param message The error message.
-     */
-    public InvalidUpdatableClassException(@NotNull final String message) {
-        super(message);
-    }
-}

eco-core/core-plugin/src/main/resources/plugin.yml

@@ -25,4 +25,6 @@ softdepend:
   - Spartan
   - PlaceholderAPI
   - mcMMO
-  - CombatLogX
+  - CombatLogX
+libraries:
+  - org.reflections:reflections:0.9.12