Java Reflection Method Invoke invokeMethodOnLoader(ClassLoader cl, String methodName, Object... params)

Description

invoke Method On Loader

License

Apache License

Declaration

public static void invokeMethodOnLoader(ClassLoader cl, String methodName, Object... params)
            throws NoSuchMethodException, InvocationTargetException, IllegalAccessException 

Method Source Code

//package com.java2s;
/**//from w w  w  .ja  v a  2  s .  c o  m
 *      Copyright 2014 CPUT
 *
 *      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 {
    public static void invokeMethodOnLoader(ClassLoader cl, String methodName, Object... params)
            throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
        Class<?>[] paramClasses = new Class<?>[params.length];
        for (int i = 0; i != params.length; i++) {

            paramClasses[i] = params[i].getClass();
        }
        Method method = cl.getClass().getMethod(methodName, paramClasses);
        method.invoke(cl, params);
    }
}

Related

1. invokeMethodByName(final Object obj, final String methodName, final Object[] args)
2. invokeMethodHandleException(Method method, Object... args)
3. invokeMethodNoArgs(final Object obj, final String methodName, final Class... returnTypePreference)
4. invokeMethodNoArgs(Object target, String methodName)
5. invokeMethodOfClass(Class target, Method method)
6. invokeMethodOnObject(Method method, Object objectToInvokeOn, Object[] args)
7. invokeMethodOnObject(Object target, String methodName)
8. invokeMethodQuietly(Object receiver, Method method, Object... args)
9. invokeMethods(final Object target, final List methods)