Java Method Call invoke(String className, String methodName, Class[] paramTypes, Object... params)

Description

invoke

License

Apache License

Declaration

private static Object invoke(String className, String methodName, Class<?>[] paramTypes, Object... params)
            throws Exception 

Method Source Code

//package com.java2s;
/*/*w w w . ja v a2s .  c o  m*/
 * Copyright 2014-2017 JKOOL, LLC.
 *
 * 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.Method;

public class Main {
    private static Object invoke(String className, String methodName, Class<?>[] paramTypes, Object... params)
            throws Exception {
        return invoke(null, className, methodName, paramTypes, params);
    }

    private static Object invoke(Object obj, String methodName, Class<?>[] paramTypes, Object... params)
            throws Exception {
        return invoke(obj, null, methodName, paramTypes, params);
    }

    private static Object invoke(Object obj, String className, String methodName, Class<?>[] paramTypes,
            Object... params) throws Exception {
        Class<?> cls = obj == null ? Class.forName(className) : obj.getClass();
        Method m = cls.getDeclaredMethod(methodName, paramTypes);
        return m.invoke(obj, params);
    }
}

Related

1. invoke(Object targetObject, String methodName, Object... params)
2. invoke(Object thisObject, Method method)
3. invoke(ObjectName objectName, Object[] params, String[] signature, String operationName)
4. invoke(ObjectName objectName, String attribute, Object[] params, String[] signatur)
5. invoke(Optional method, Class clazz, Object... args)
6. invoke(String cls_name, String method, Class[] param_cls, Object cls, Object[] params)
7. invoke(String method)
8. invoke(String methodName, Object obj)
9. invoke(String methodName, Object object, Class[] argTypes, Object[] args)