Java Reflection Method Static Invoke invokeStatic(Class clazz, String methodName, Class returnClass, Object... args)

Description

invoke Static

License

Open Source License

Declaration

public static <T> T invokeStatic(Class<?> clazz, String methodName, Class<T> returnClass, Object... args) 

Method Source Code

//package com.java2s;
/*// w w w .  j a v a 2 s.  c  o  m
 * Copyright (c) 2013 - 2016 Trojaner <trojaner25@gmail.com> and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

import java.lang.reflect.Method;

public class Main {
    public static <T> T invokeStatic(Class<?> clazz, String methodName, Class<T> returnClass, Object... args) {
        try {
            Method method = clazz.getMethod(methodName);
            method.setAccessible(true);
            return (T) method.invoke(null, args);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public static <T> T invoke(Object object, String methodName, Class<T> returnClass, Object... args) {
        try {
            Method method = object.getClass().getMethod(methodName);
            method.setAccessible(true);
            return (T) method.invoke(object, args);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}

Related

1. invokeDefaultStaticMethod(Class expectedClass, String className, String methodName)
2. invokeReflectStaticMethod(String methodName, Class cl, Object[] parameter, Class[] args)
3. invokeStatic(final Class clazz, final String methodName, final Class[] argTypes, final Object[] args)
4. invokeStatic(final ClassLoader loader, final String className, final String methodName, final Object... parameters)
5. invokeStatic(final String className, final String methodName, final I argument)
6. invokeStatic(String cname, String methodName, ClassLoader cl)