com.buession.web.utils.ServerUtils Maven / Gradle / Ivy
/*
* 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.
*
* =========================================================================================================
*
* This software consists of voluntary contributions made by many individuals on behalf of the
* Apache Software Foundation. For more information on the Apache Software Foundation, please see
* |
* | Copyright @ 2013-2019 Buession.com Inc. |
* +-------------------------------------------------------------------------------------------------------+
*/
package com.buession.web.utils;
import java.net.InetAddress;
import java.net.UnknownHostException;
/**
* @author Yong.Teng
*/
public class ServerUtils {
private ServerUtils(){
}
public final static String getHostName(){
String computerName = System.getenv("COMPUTERNAME");
if(computerName != null){
return computerName;
}
computerName = System.getenv("HOSTNAME");
if(computerName != null){
return computerName;
}
try{
return (InetAddress.getLocalHost()).getHostName();
}catch(UnknownHostException e){
String host = e.getMessage();
if(host != null){
int colon = host.indexOf(':');
if(colon > 0){
return host.substring(0, colon);
}
}
}
return null;
}
}