Java Host Name Get getCanonicalHostName()

Description

Will return FQDN of the host after doing reverse DNS lookip.

License

Apache License

Return

FQDN of host

Declaration

public static String getCanonicalHostName() 

Method Source Code

//package com.java2s;
/*/* w ww.j  av  a2 s .c  o  m*/
 * 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.InetAddress;
import java.net.UnknownHostException;

public class Main {
    private static final String LOCALHOST = "localhost";

    /**
     * Will return FQDN of the host after doing reverse DNS lookip.
     *
     * @return FQDN of host
     */
    public static String getCanonicalHostName() {
        try {
            return InetAddress.getLocalHost().getCanonicalHostName();
        } catch (UnknownHostException e) {
            return LOCALHOST;
        }
    }
}

Related

1. getAllMyHostAdresses()
2. getByName(String host)
3. getCanonicalHostName()
4. getCanonicalHostname()
5. getCanonicalHostName()
6. getCanonicalHostName()
7. getCasServerHostName()
8. getCurrentHost()