IdentityNamingStrategy


1   /*
2    * Copyright 2002-2005 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.springframework.jmx.export.naming;
18  
19  import java.util.Hashtable  ;
20  
21  import javax.management.MalformedObjectNameException  ;
22  import javax.management.ObjectName  ;
23  
24  import org.springframework.jmx.support.ObjectNameManager;
25  import org.springframework.util.ClassUtils;
26  import org.springframework.util.ObjectUtils;
27  
28  /**
29   * An implementation of the <code>ObjectNamingStrategy</code> interface that
30   * creates a name based on the the identity of a given instance.
31   *
32   * <p>The resulting <code>ObjectName</code> will be in the form
33   * <i>package</i>:class=<i>class name</i>,hashCode=<i>identity hash (in hex)</i>
34   *
35   * @author Rob Harrop
36   * @since 1.2
37   */
38  public class IdentityNamingStrategy implements ObjectNamingStrategy {
39  
40      public static final String   TYPE_KEY = "type";
41  
42      public static final String   HASH_CODE_KEY = "hashCode";
43  
44  
45      /**
46       * Returns an instance of <code>ObjectName</code> based on the identity
47       * of the managed resource.
48       */
49      public ObjectName   getObjectName(Object   managedBean, String   beanKey) throws MalformedObjectNameException   {
50          String   domain = managedBean.getClass().getPackage().getName();
51  
52          Hashtable   keys = new Hashtable  ();
53          keys.put(TYPE_KEY, ClassUtils.getShortName(managedBean.getClass()));
54          keys.put(HASH_CODE_KEY, ObjectUtils.getIdentityHexString(managedBean));
55  
56          return ObjectNameManager.getInstance(domain, keys);
57      }
58  
59  }
60
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags