com.forerunnergames.tools.net.NetworkTools.java Source code

Java tutorial

Introduction

Here is the source code for com.forerunnergames.tools.net.NetworkTools.java

Source

/*
 * Copyright  2011 - 2013 Aaron Mahan
 * Copyright  2013 - 2016 Forerunner Games, LLC
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.forerunnergames.tools.net;

import com.forerunnergames.tools.common.Arguments;
import com.forerunnergames.tools.common.Classes;

import com.google.common.net.HostSpecifier;
import com.google.common.net.InetAddresses;
import com.google.common.net.InternetDomainName;

import javax.annotation.Nullable;

public final class NetworkTools {
    public static boolean isLocalhostAddress(final String address) {
        Arguments.checkIsNotNull(address, "address");

        return address.equals(NetworkConstants.LOCALHOST_ADDRESS)
                || address.equalsIgnoreCase(NetworkConstants.LOCALHOST_NAME);
    }

    public static boolean isValidIpAddress(@Nullable final String address) {
        return address != null && InetAddresses.isInetAddress(address);
    }

    public static boolean isValidAddress(@Nullable final String address) {
        return address != null && HostSpecifier.isValid(address);
    }

    public static boolean isValidDomainName(@Nullable final String address) {
        return address != null && InternetDomainName.isValid(address);
    }

    private NetworkTools() {
        Classes.instantiationNotAllowed();
    }
}