GH-401 Support for inherited methods. (#401)

litecommands-annotations/src/dev/rollczi/litecommands/annotations/InstanceSourceProcessor.java

@@ -3,6 +3,7 @@
 import dev.rollczi.litecommands.annotations.validator.method.MethodValidatorService;
 import dev.rollczi.litecommands.command.builder.CommandBuilder;
 import dev.rollczi.litecommands.meta.Meta;
+import dev.rollczi.litecommands.reflect.ReflectUtil;
 import dev.rollczi.litecommands.wrapper.WrapperRegistry;
 
 import java.lang.reflect.Method;
@@ -31,7 +32,7 @@ public CommandBuilder<SENDER> processBuilder(InstanceSource source) {
         AnnotationInvoker<SENDER> classInvoker = new ClassInvoker<>(type, context);
         context = annotationProcessorService.process(classInvoker);
 
-        for (Method method : type.getDeclaredMethods()) {
+        for (Method method : ReflectUtil.getMethods(type)) {
             MethodInvoker<SENDER> methodInvoker = new MethodInvoker<>(annotationProcessorService, validatorService, wrapperRegistry, instance, method, context);
 
             context = annotationProcessorService.process(methodInvoker);

litecommands-annotations/test/dev/rollczi/litecommands/annotations/reflect/SuperMethodTest.java

@@ -0,0 +1,34 @@
+package dev.rollczi.litecommands.annotations.reflect;
+
+import dev.rollczi.litecommands.annotations.LiteTestSpec;
+import dev.rollczi.litecommands.annotations.command.Command;
+import dev.rollczi.litecommands.annotations.execute.Execute;
+import org.junit.jupiter.api.Test;
+
+class SuperMethodTest extends LiteTestSpec {
+
+    @Command(name = "test")
+    static class TestCommand extends BaseCommand {
+        @Execute(name = "new")
+        String executeNew() {
+            return "new";
+        }
+    }
+
+    static class BaseCommand {
+        @Execute(name = "legacy")
+        String executeLegacy() {
+            return "legacy";
+        }
+    }
+
+    @Test
+    void testSuperMethod() {
+        platform.execute("test legacy")
+            .assertSuccess("legacy");
+
+        platform.execute("test new")
+            .assertSuccess("new");
+    }
+
+}

litecommands-core/src/dev/rollczi/litecommands/reflect/ReflectUtil.java

@@ -194,4 +194,20 @@ private static Class<?>[] getClasses(Object[] params) {
     }
 
 
+    public static List<Method> getMethods(Class<?> type) {
+        List<Method> methods = new ArrayList<>();
+
+        for (Method declaredMethod : type.getDeclaredMethods()) {
+            methods.add(declaredMethod);
+        }
+
+        Class<?> superclass = type.getSuperclass();
+
+        if (superclass != Object.class) {
+            methods.addAll(getMethods(superclass));
+        }
+
+        return methods;
+    }
+
 }