Java InetAddress Create getHostNameWithoutDomain(final InetAddress addr)

Description

get Host Name Without Domain

License

Apache License

Declaration

public static String getHostNameWithoutDomain(final InetAddress addr) 

Method Source Code

//package com.java2s;
/*/* ww w.  j  a va2 s.c o  m*/
 * @(#)$Id$$
 *
 * Copyright 2006-2008 Makoto YUI
 *
 * 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.
 * 
 * Contributors:
 *     Makoto YUI - initial implementation
 */

import java.net.*;

public class Main {
    public static String getHostNameWithoutDomain(final InetAddress addr) {
        final String hostName = addr.getHostName();
        final int pos = hostName.indexOf('.');
        if (pos == -1) {
            return hostName;
        } else {
            return hostName.substring(0, pos);
        }
    }
}

Related

1. getHostAddress(InetAddress anAddress)
2. getHostAddress(InetAddress host)
3. getHostName(InetAddress address)
4. getHostName(InetAddress ia)
5. getHostNameReliably(final String requestingHost, final InetAddress site, final URL requestingUrl)
6. getInetAddress()
7. getInetAddress()
8. getInetAddress()
9. getInetAddress()