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Java > Open Source Codes > com > sun > enterprise > management > offline > OfflineDottedNamesRegistry


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23 package com.sun.enterprise.management.offline;
24
25 import java.util.Map JavaDoc;
26 import java.util.HashMap JavaDoc;
27 import java.util.Set JavaDoc;
28 import java.util.HashSet JavaDoc;
29 import java.util.Collections JavaDoc;
30
31 import javax.management.ObjectName JavaDoc;
32
33
34 /**
35  */
36 public final class OfflineDottedNamesRegistry
37 {
38     /**
39         Maps from dotted name prefxi to ObjectName
40      */
41     private Map JavaDoc<String JavaDoc,ObjectName JavaDoc> mPrefixToObjectName;
42     
43     /**
44         Maps from ObjectName to all dotted name prefixes.
45      */
46     private Map JavaDoc<ObjectName JavaDoc,String JavaDoc> mObjectNameToPrefix;
47     
48     
49     /**
50         The legal attribute names
51      */
52     private Map JavaDoc<ObjectName JavaDoc,Set JavaDoc<String JavaDoc>> mLegalAttributes;
53     
54         public
55     OfflineDottedNamesRegistry()
56     {
57         mPrefixToObjectName = new HashMap JavaDoc<String JavaDoc,ObjectName JavaDoc>();
58         mObjectNameToPrefix = new HashMap JavaDoc<ObjectName JavaDoc,String JavaDoc>();
59         mLegalAttributes = new HashMap JavaDoc<ObjectName JavaDoc,Set JavaDoc<String JavaDoc>>();
60     }
61     
62     /**
63         Add a mapping from an ObjectName to its dotted name prefixes.
64         @param objectName the ObjectName in question
65         @param prefix one or more prefixes associated with this ObjectName
66         @param legalAttributes the legal attributes, as found in the MBeanInfo of the ObjectName
67      */
68         public synchronized void
69     addMapping(
70         final ObjectName JavaDoc objectName,
71         final String JavaDoc prefix,
72         final Set JavaDoc<String JavaDoc> legalAttributes )
73     {
74         if ( objectName == null || prefix == null )
75         {
76             throw new IllegalArgumentException JavaDoc( "null" );
77         }
78         
79         if ( mObjectNameToPrefix.containsKey( objectName ) )
80         {
81             throw new IllegalArgumentException JavaDoc( "Already registered: " + objectName );
82         }
83         
84         mObjectNameToPrefix.put( objectName, prefix );
85         mPrefixToObjectName.put( prefix, objectName );
86         mLegalAttributes.put( objectName, Collections.unmodifiableSet( legalAttributes ) );
87     }
88     
89         public synchronized void
90     removeMapping( final ObjectName JavaDoc objectName )
91     {
92         final String JavaDoc prefix = mObjectNameToPrefix.get( objectName );
93         if ( prefix != null )
94         {
95             mObjectNameToPrefix.remove( objectName );
96             mLegalAttributes.remove( objectName );
97             mPrefixToObjectName.remove( prefix );
98         }
99     }
100     
101         public String JavaDoc
102     getPrefix( final ObjectName JavaDoc objectName )
103     {
104         return mObjectNameToPrefix.get( objectName );
105     }
106     
107         public ObjectName JavaDoc
108     getObjectName( final String JavaDoc prefix )
109     {
110         return mPrefixToObjectName.get( prefix );
111     }
112     
113         public Set JavaDoc<String JavaDoc>
114     getLegalAttributes( final ObjectName JavaDoc objectName )
115     {
116         return mLegalAttributes.get( objectName );
117     }
118     
119         public Set JavaDoc<ObjectName JavaDoc>
120     getObjectNames()
121     {
122         final Set JavaDoc<ObjectName JavaDoc> result = new HashSet JavaDoc<ObjectName JavaDoc>();
123         
124         result.addAll( mObjectNameToPrefix.keySet() );
125         return result;
126     }
127     
128         public Set JavaDoc<String JavaDoc>
129     getPrefixes()
130     {
131         final Set JavaDoc<String JavaDoc> result = new HashSet JavaDoc<String JavaDoc>();
132         
133         result.addAll( mObjectNameToPrefix.values() );
134         return result;
135     }
136 }
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