/**
    * Copyright 2004-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.common.aws.ec2.model;
  
  import static com.google.common.collect.Maps.newHashMap;
  import static org.kuali.common.util.base.Precondition.checkNotBlank;
  
  import java.util.Map;
  
  public enum Regions {
  
  	AP_NORTHEAST_1("ap-northeast-1", "Asia Pacific (Tokyo)"), //
  	AP_SOUTHEAST_1("ap-southeast-1", "Asia Pacific (Singapore)"), //
  	AP_SOUTHEAST_2("ap-southeast-2", "Asia Pacific (Sydney)"), //
  	EU_WEST_1("eu-west-1", "EU (Ireland)"), //
  	SA_EAST_1("sa-east-1", "South America (Sao Paulo)"), //
  	US_EAST_1("us-east-1", "US East (Northern Virginia)"), //
  	US_WEST_1("us-west-1", "US West (Northern California)"), //
  	US_WEST_2("us-west-2", "US West (Oregon)"); //
  
  	private final String name;
  	private final String location;
  
  	private Regions(String name, String location) {
  		checkNotBlank(name, "name");
  		checkNotBlank(location, "location");
  		this.name = name;
  		this.location = location;
  	}
  
  	public String getName() {
  		return name;
  	}
  
  	public String getLocation() {
  		return location;
  	}
  
  	public static Map<String, Regions> asMap() {
  		Map<String, Regions> map = newHashMap();
  		for (Regions region : values()) {
  			map.put(region.getName(), region);
  		}
  		return map;
  	}
  
  	/**
  	 * http://docs.aws.amazon.com/AWSSdkDocsJava/latest/DeveloperGuide/java-dg-region-selection.html
  	 * 
  	 * <p>
  	 * The AWS Java SDK uses the US East (Northern Virginia) Region by default.
  	 * </p>
  	 * 
  	 * <p>
  	 * The AWS Management Console uses the US West (Oregon) Region as its default.
  	 * </p>
  	 * 
  	 * <p>
  	 * If you use both, be sure to always be explicit about the region you want.
  	 * </p>
  	 */
  	public static final Regions DEFAULT_REGION = US_EAST_1;
  }