Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * Copyright 2013-2015 alladin-IT GmbH
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;

public class Main {
    public static String filterIP(final InetAddress inetAddress) {
        try {
            final String ipVersion;
            if (inetAddress instanceof Inet4Address)
                ipVersion = "ipv4";
            else if (inetAddress instanceof Inet6Address)
                ipVersion = "ipv6";
            else
                ipVersion = "ipv?";

            if (inetAddress.isAnyLocalAddress())
                return "wildcard";
            if (inetAddress.isSiteLocalAddress())
                return "site_local_" + ipVersion;
            if (inetAddress.isLinkLocalAddress())
                return "link_local_" + ipVersion;
            if (inetAddress.isLoopbackAddress())
                return "loopback_" + ipVersion;
            return inetAddress.getHostAddress();
        } catch (final IllegalArgumentException e) {
            return "illegal_ip";
        }
    }
}