Java Reflection Method Invoke invokeMethod(Object handler, String strMethod, Class[] cls, Object... params)

Description

invoke Method

License

Apache License

Declaration

public static Object invokeMethod(Object handler, String strMethod, Class<?>[] cls, Object... params) 

Method Source Code

//package com.java2s;
/**//from   ww w .j a  v a  2 s  .  c  o m
 * Copyright (c) 2012-2013, Michael Yang ?????? (www.yangfuhai.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.Method;

public class Main {
    public static Object invokeMethod(Object handler, String strMethod, Class<?>[] cls, Object... params) {

        if (handler == null || strMethod == null)
            return null;
        Method method = null;
        try {
            if (cls == null)
                cls = new Class[0];
            method = handler.getClass().getMethod(strMethod, cls);
            return method.invoke(handler, params);
        } catch (Exception e) {
            e.printStackTrace();
        }

        return null;

    }
}

Related

1. invokeMethod(Object caller, String methodName, Object[] params)
2. invokeMethod(Object classInstance, Method method, Object... args)
3. invokeMethod(Object cls, String methodName, Class paramClass, String paramValue)
4. invokeMethod(Object destination, String methodName, Object argument)
5. invokeMethod(Object handle, String methodName, Class[] parameterClasses, Object... args)
6. invokeMethod(Object instance, String methodName, Class expectedReturnType)
7. invokeMethod(Object o, String fieldName)
8. invokeMethod(Object o, String methodName, Object... args)
9. invokeMethod(Object o, String methodName, Object[] params)