Java Method Call invoke(Object obj, Method method, Object[] args)

Description

invoke

License

Apache License

Declaration

public static Object invoke(Object obj, Method method, Object[] args) throws IllegalAccessException,
            IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException 

Method Source Code

//package com.java2s;
/*//from   w  w w  .j ava  2 s . co  m
 * Copyright (c) 2017 coodex.org (jujus.shen@126.com)
 *
 * 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
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */

import java.lang.reflect.*;

public class Main {
    public static Object invoke(Object obj, Method method, Object[] args) throws IllegalAccessException,
            IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException {
        if (obj == null)
            throw new NullPointerException("invoke target object is NULL.");

        if (method.getDeclaringClass().isAssignableFrom(obj.getClass())) {
            return method.invoke(obj, args);
        } else {
            return obj.getClass().getMethod(method.getName(), method.getParameterTypes()).invoke(obj, args);
        }
    }
}

Related

1. invoke(Object o, String m, Object... params)
2. invoke(Object o, String method, Object... args)
3. invoke(Object o, String name)
4. invoke(Object o, String name, Object[] args)
5. invoke(Object o, String name, Object[] args)
6. invoke(Object obj, Method method, Object[] params)
7. invoke(Object obj, String method, Class[] params, Object[] args)
8. invoke(Object obj, String method, Class[] params, Object[] args)
9. invoke(Object obj, String method, Object param, Object paramType)