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agents-flex-core/src/main/java/com/agentsflex/core/llm/functions/JavaNativeFunctions.java

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+/*
+ *  Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package com.agentsflex.core.llm.functions;
+
+import com.agentsflex.core.llm.functions.annotation.FunctionDef;
+import com.agentsflex.core.util.ArrayUtil;
+import com.agentsflex.core.util.ClassUtil;
+
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.List;
+
+public class JavaNativeFunctions extends ArrayList<Function> {
+
+    public static JavaNativeFunctions from(Object object, String... methodNames) {
+        return from(object.getClass(), object, methodNames);
+    }
+
+    public static JavaNativeFunctions from(Class<?> clazz, String... methodNames) {
+        return from(clazz, null, methodNames);
+    }
+
+    private static JavaNativeFunctions from(Class<?> clazz, Object object, String... methodNames) {
+        clazz = ClassUtil.getUsefulClass(clazz);
+        List<Method> methodList = ClassUtil.getAllMethods(clazz, method -> {
+            if (object == null && !Modifier.isStatic(method.getModifiers())) {
+                return false;
+            }
+            if (method.getAnnotation(FunctionDef.class) == null) {
+                return false;
+            }
+            if (methodNames.length > 0) {
+                return ArrayUtil.contains(methodNames, method.getName());
+            }
+            return true;
+        });
+
+        JavaNativeFunctions javaNativeFunctions = new JavaNativeFunctions();
+
+        for (Method method : methodList) {
+            JavaNativeFunction function = new JavaNativeFunction();
+            function.setClazz(clazz);
+            function.setMethod(method);
+
+            if (!Modifier.isStatic(method.getModifiers())) {
+                function.setObject(object);
+            }
+
+            javaNativeFunctions.add(function);
+        }
+
+        return javaNativeFunctions;
+    }
+
+
+}