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1   /**
2    * Licensed to jclouds, Inc. (jclouds) under one or more
3    * contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  jclouds licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.jclouds.aws.ec2.domain;
20  
21  import static com.google.common.base.Preconditions.checkNotNull;
22  
23  import org.jclouds.aws.ec2.services.MonitoringClient;
24  import org.jclouds.ec2.services.InstanceClient;
25  
26  /**
27   * 
28   * State of monitoring for the instance.
29   * 
30   * @author Adrian Cole
31   * @see InstanceClient#runInstances
32   * @see MonitoringClient#monitorInstances
33   * @see MonitoringClient#UnmonitorInstances
34   */
35  public enum MonitoringState {
36  
37     PENDING, ENABLED, DISABLING, DISABLED, UNRECOGNIZED;
38  
39     public String value() {
40        return name().toLowerCase();
41     }
42  
43     @Override
44     public String toString() {
45        return value();
46     }
47  
48     public static MonitoringState fromValue(String state) {
49        try {
50           return valueOf(checkNotNull(state, "state").toUpperCase());
51        } catch (IllegalArgumentException e) {
52           return UNRECOGNIZED;
53        }
54     }
55  }