Java tutorial
/* * 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. */ package org.jclouds.vcloud.domain.network.nat.rules; import static com.google.common.base.Preconditions.checkNotNull; import com.google.common.base.CaseFormat; /** * The MappingMode element specifies how IP address mapping is implemented by the NAT service. * */ public enum MappingMode { /** * the external IP address is specified in the ExternalIP element */ MANUAL, /** * the external IP address is assigned automatically */ AUTOMATIC, UNRECOGNIZED; public String value() { return CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, name()); } @Override public String toString() { return value(); } public static MappingMode fromValue(String mode) { try { return valueOf(CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_UNDERSCORE, checkNotNull(mode, "mode"))); } catch (IllegalArgumentException e) { return UNRECOGNIZED; } } }