/* Copyright 2013-2015 the original author or authors.
*
* 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.
*/
package org.springframework.cloud.netflix.ribbon.eureka;
import org.springframework.util.StringUtils;
/**
* Utility class for dealing with zones.
* @author Ryan Baxter
*
*/
public class ZoneUtils {
/**
* Approximates Eureka zones from a host name. This method approximates the zone to be
* everything after the first "." in the host name.
* @param host The host name to extract the host name from
* @return The approximate zone
*/
public static String extractApproximateZone(String host) {
String[] split = StringUtils.split(host, ".");
return split == null ? host : split[1];
}
}