Java InetAddress Check isValidIntranetAddress(InetAddress address)

Description

is Valid Intranet Address

License

Apache License

Declaration

private static boolean isValidIntranetAddress(InetAddress address) 

Method Source Code

//package com.java2s;
/*/*from w  w  w .j  a  v a  2  s .c  om*/
 * Copyright 1999-2011 Alibaba Group.
 *  
 * 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.*;

import java.util.regex.Pattern;

public class Main {
    public static final String LOCALHOST = "127.0.0.1";
    public static final String ANYHOST = "0.0.0.0";
    private static final Pattern IP_PATTERN = Pattern.compile("\\d{1,3}(\\.\\d{1,3}){3,5}$");
    private static final Pattern IP_INTRANET_PATTERN = Pattern.compile("(10|192)(\\.\\d{1,3}){3,5}$");

    private static boolean isValidIntranetAddress(InetAddress address) {
        if (address == null || address.isLoopbackAddress())
            return false;
        String name = address.getHostAddress();
        return (name != null && !ANYHOST.equals(name) && !LOCALHOST.equals(name)
                && IP_PATTERN.matcher(name).matches() && IP_INTRANET_PATTERN.matcher(name).matches());
    }
}

Related

1. isValidAddress(InetAddress i, boolean includeLocalAddressesInNoderefs)
2. isValidCiscoWildcard(InetAddress wildcard)
3. isValidInetAddress(String address)
4. isValidInetAddress(String ip)
5. isValidInetAddress(String IP)
6. isValidIpAddress(InetAddress ip)
7. isWindowsAutoConfiguredIPv4Address(InetAddress add)
8. sortAddresses(List addressList)