Java Reflection Method Main Invoke invoke(String property, Object main)

Description

invoke

License

Open Source License

Declaration

private static Object invoke(String property, Object main) 

Method Source Code

//package com.java2s;
/* //from   w w w .j a va  2  s. co m
 * Copyright (C) 2014 GG-Net GmbH - Oliver G?nther
 *
 * 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.InvocationTargetException;
import java.lang.reflect.Method;

public class Main {
    private static Object invoke(String property, Object main) {
        Method m;
        try {
            try {
                m = main.getClass()
                        .getMethod("get" + property.substring(0, 1).toUpperCase() + property.substring(1));
            } catch (NoSuchMethodException ex) {
                try {
                    // Trying "is" in the case of booleans
                    m = main.getClass()
                            .getMethod("is" + property.substring(0, 1).toUpperCase() + property.substring(1));
                } catch (NoSuchMethodException | SecurityException ex1) {
                    throw new RuntimeException("Exeption during invoke().getMethod()", ex1);
                }
            }
            m.setAccessible(true);
            return m.invoke(main);
        } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException
                | SecurityException ex) {
            throw new RuntimeException("Exeption during invoke()", ex);
        }
    }
}

Related

1. invokeMain(Class clazz, String[] args)
2. invokeMain(Class fooClass)
3. invokeMain(Class mainClass, List args)
4. invokeMain(ClassLoader classloader, String classname, String[] args)