Java Host Resolve resolveHostName(final String hostName)

Description

Resolves the host name and returns its IP address.

License

Open Source License

Parameter

Parameter	Description
hostName	The name of the host

Exception

Parameter	Description
UnknownHostException	Indicates the host doesn't represent an available network object

Return

The IP address of the host

Declaration

public static String resolveHostName(final String hostName) throws UnknownHostException 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2012 GigaSpaces Technologies Ltd. All rights reserved
 *
 * 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.//ww w .  j  a v a  2s  .  c  om
 ******************************************************************************/

import java.net.InetAddress;
import java.net.UnknownHostException;

public class Main {
    /**
     * Resolves the host name and returns its IP address.
     * 
     * @param hostName
     *            The name of the host
     * @return The IP address of the host
     * @throws UnknownHostException
     *             Indicates the host doesn't represent an available network object
     */
    public static String resolveHostName(final String hostName) throws UnknownHostException {

        InetAddress address = null;
        address = InetAddress.getByName(hostName);

        return address.getHostAddress();
    }
}

Related

1. resolve(String host, String path)
2. resolveHost(String hostname)
3. resolveHostname()
4. resolveHostname()
5. resolveHostName()
6. resolveHostName(String hostname)