Java InetAddress Create getClassPart(InetAddress ip, int partNumber)

Description

Returns the n-th part of an InetAddress.

License

Apache License

Parameter

Parameter	Description
ip	The address.
partNumber	The number of the part.

Return

An integer value.

Declaration

public static int getClassPart(InetAddress ip, int partNumber) 

Method Source Code

//package com.java2s;
/*//from  w ww. j a  va2s .c o m
 * Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You 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.InetAddress;

public class Main {
    /**
     * Returns the n-th part of an InetAddress.
     * @param ip The address.
     * @param partNumber The number of the part.
     * @return An integer value.
     * 
     * @deprecated This was an internal implementation detail of the
     *      method {@link #contains} and should never have been
     *      made public. (And it's inefficient and unnecessary
     *      too, as well as broken for IPv6. ;-)
     *      Use <code>ip.getAddress()[partNumber]</code>
     *      instead.
     */
    public static int getClassPart(InetAddress ip, int partNumber) {
        String[] parts = ip.getHostAddress().split("\\.");
        String part = parts[partNumber];
        return new Integer(part).intValue();
    }
}

Related

1. getAllInetAddress(final String interfaceName)
2. getAllIPv4InetAddresses()
3. getAllLocalIPv4InetAddresses()
4. getBroadcast(InetAddress address)
5. getBytes(InetAddress addr, int port)
6. getConnectionAddress(InetAddress addr)
7. getDestinationInetAddress(URI uri)
8. getExternalAddresses(InetAddress[] addresses)
9. getFQDN(final InetAddress addr)