Java Reflection Method Invoke invokeMethod(Object classInstance, Method method, Object... args)

Description

invoke Method

License

Open Source License

Declaration

@SuppressWarnings("unchecked")
    public static <E> E invokeMethod(Object classInstance, Method method, Object... args) throws Exception 

Method Source Code

//package com.java2s;
/*/*from  w  w w.  j a v  a 2 s.  c o m*/
 * Copyright (c) 2008-2016, Hazelcast, Inc. All Rights Reserved.
 *
 * 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.InvocationTargetException;
import java.lang.reflect.Method;

public class Main {
    @SuppressWarnings("unchecked")
    public static <E> E invokeMethod(Object classInstance, Method method, Object... args) throws Exception {
        if (method == null) {
            return null;
        }

        try {
            return (E) method.invoke(classInstance, args);
        } catch (InvocationTargetException e) {
            if (e.getCause() instanceof Error) {
                throw (Error) e.getCause();
            }
            throw (Exception) e.getCause();
        }
    }
}

Related

1. invokeMethod(Method method, Object... arguments)
2. invokeMethod(Object bean, Method method, Object... param)
3. invokeMethod(Object bean, Method method, Object[] args)
4. invokeMethod(Object caller, Object classInstance, String className, String methodName, String parameterClasses[], Object[] parameters)
5. invokeMethod(Object caller, String methodName, Object[] params)
6. invokeMethod(Object cls, String methodName, Class paramClass, String paramValue)
7. invokeMethod(Object destination, String methodName, Object argument)
8. invokeMethod(Object handle, String methodName, Class[] parameterClasses, Object... args)
9. invokeMethod(Object handler, String strMethod, Class[] cls, Object... params)