/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds 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.
*/
package org.jclouds.ec2.domain;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* @author Adrian Cole
*
*/
public enum IpProtocol {
TCP, UDP, ICMP, ALL, UNRECOGNIZED;
public String value() {
return this == ALL ? "-1" : name().toLowerCase();
}
@Override
public String toString() {
return value();
}
public static IpProtocol fromValue(String protocol) {
try {
if (protocol.equalsIgnoreCase("-1"))
return ALL;
return valueOf(checkNotNull(protocol, "protocol").toUpperCase());
} catch (IllegalArgumentException e) {
return UNRECOGNIZED;
}
}
}