content: /*
   *  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;
      }
  
  
  }
  