Java Reflection Method Get from Object getMethod(Class klass, String methodName, Object... params)

Description

get Method

License

Open Source License

Declaration

public static Method getMethod(Class<?> klass, String methodName, Object... params)
            throws SecurityException, NoSuchMethodException 

Method Source Code

//package com.java2s;
/*//from  w ww.  j a v  a 2s .c o  m
 *  This file is part of Cotopaxi.
 *
 *  Cotopaxi is free software: you can redistribute it and/or modify
 *  it under the terms of the Lesser GNU General Public License as published
 *  by the Free Software Foundation, either version 3 of the License, or
 *  any later version.
 *
 *  Cotopaxi 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
 *  Lesser GNU General Public License for more details.
 *
 *  You should have received a copy of the Lesser GNU General Public License
 *  along with Cotopaxi. If not, see <http://www.gnu.org/licenses/>.
 */

import java.lang.reflect.Method;

public class Main {
    private static final Class<?>[] EMPTY_CLASS_PARAMS = new Class[0];

    public static Method getMethod(Class<?> klass, String methodName, Object... params)
            throws SecurityException, NoSuchMethodException {
        Class<?>[] classes = (params.length != 0) ? new Class<?>[params.length] : EMPTY_CLASS_PARAMS;

        for (int i = 0; i < params.length; i++) {
            classes[i] = params[i].getClass();
        }
        return klass.getMethod(methodName, classes);
    }

    /**
     * Gets an {@link Class} by name.
     */
    public static Class<?> getClass(String className) throws ClassNotFoundException {
        return Class.forName(className);
    }
}

Related

1. getMethod(Class type, String name, Object[] args)
2. getMethod(Class clz, String methodName, Class[] methodArgs)
3. getMethod(Class type, String name, Class... parameterTypes)
4. getMethod(Class cls, String method, Object[] params)
5. getMethod(Class clz, String methodName, Object... params)
6. getMethod(Class objectType, String methodName, Class... parameterTypes)
7. getMethod(Class type, String name, Object[] args)
8. getMethod(final Class clazz, final String methodName, final Class[] parTypes, final Object[] parameters)
9. getMethod(final Object object, final String methodName, final Class... parameterClass)