Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/** 
 *  Copyright (C) 2012  Just Do One More
 *  
 *  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.awt.Component;
import java.awt.Container;

public class Main {
    public static <T> T findChildByName(Container container, Class<T> returnType, String name) {

        if (name.equals(container.getName())) {
            return returnType.cast(container);
        }

        for (Component component : container.getComponents()) {
            if (name.equals(component.getName())) {
                return returnType.cast(component);
            } else if (component instanceof Container) {
                T recursiveResult = findChildByName((Container) component, returnType, name);

                if (recursiveResult != null) {
                    return returnType.cast(recursiveResult);
                }
            }
        }

        throw new IllegalArgumentException(
                "Did not find child component by name [" + name + "] in the specified container!");
    }
}