Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * 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.
 */

import java.util.HashMap;

import java.util.Map;

public class Main {
    /**
     * The default mapping between interface and instance.
     */
    private static final Map<Class<?>, Object> DEFAULTS = new HashMap<Class<?>, Object>();

    /**
     * @param type the type
     * @return the default value of the provided type
     */
    public static Object emptyValue(Class<?> type) {
        Object defaultValue = null;

        if (DEFAULTS.containsKey(type)) {
            defaultValue = DEFAULTS.get(type);
        } else {
            try {
                defaultValue = type.newInstance();
            } catch (Exception e) {
                // Ignore
            }
        }

        return defaultValue;
    }
}