Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.lang.reflect.Array;

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

public class Main {

    /**
     * @return an Object array for the given object.
     *
     * @param obj  Object to convert to an array.  Converts primitive
     *             arrays to Object arrays consisting of their wrapper
     *             classes.  If the object is not an array (object or primitve)
     *             then a new array of the given type is created and the
     *             object is set as the sole element.
     */
    public static Object[] toArray(final Object obj) {
        // if the object is an array, the cast and return it.
        if (obj instanceof Object[]) {
            return (Object[]) obj;
        }

        // if the object is an array of primitives then wrap the array
        Class type = obj.getClass();
        Object array;
        if (type.isArray()) {
            int length = Array.getLength(obj);
            Class componentType = type.getComponentType();
            array = Array.newInstance(componentType, length);
            for (int i = 0; i < length; i++) {
                Array.set(array, i, Array.get(obj, i));
            }
        } else {
            array = Array.newInstance(type, 1);
            Array.set(array, 0, obj);
        }

        return (Object[]) array;
    }
}