Java Host Check checkHostName(String hostName)

Description

Check if the host name is the given one.

License

Open Source License

Parameter

Parameter	Description
hostName	the host name to check

Return

true if the given host is equals (ignore case) to the physic host name

Declaration

public static boolean checkHostName(String hostName) 

Method Source Code

//package com.java2s;
/*//  w w  w.  ja v  a 2 s. c  o m
 * ProActive Parallel Suite(TM):
 * The Open Source library for parallel and distributed
 * Workflows & Scheduling, Orchestration, Cloud Automation
 * and Big Data Analysis on Enterprise Grids & Clouds.
 *
 * Copyright (c) 2007 - 2017 ActiveEon
 * Contact: contact@activeeon.com
 *
 * This library is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation: version 3 of
 * the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * If needed, contact us to obtain a release under GPL Version 2 or 3
 * or a different license than the AGPL.
 */

import java.net.InetAddress;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    /**
     * Check if the host name is the given one.
     *
     * @param hostName the host name to check
     * @return true if the given host is equals (ignore case) to the physic host name
     */
    public static boolean checkHostName(String hostName) {
        if (hostName == null) {
            System.err.println("Given HOST name was NULL");
            return false;
        }
        try {
            String localHost = InetAddress.getLocalHost().getHostName();
            Pattern regex = Pattern.compile(hostName, Pattern.CASE_INSENSITIVE);
            Matcher regexMatcher = regex.matcher(localHost);
            return (regexMatcher.find());
        } catch (Exception ex) {
            ex.printStackTrace();
            return false;
        }
    }
}

Related

1. checkHost(String host)
2. checkHost(String hostname)
3. checkHostIsAvailable(String hostName)
4. isLocal(final String hostname)
5. isLocal(final String hostName)
6. isHostReachable(String host, int timeout)
7. isInternalHostname(String host)