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Java > Open Source Codes > com > sun > appserv > management > util > jmx > ReadWriteAttributeFilter


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  
24 /*
25  * $Header: /cvs/glassfish/admin-core/mbeanapi/src/java/com/sun/appserv/management/util/jmx/ReadWriteAttributeFilter.java,v 1.3 2005/12/25 03:51:32 tcfujii Exp $
26  * $Revision: 1.3 $
27  * $Date: 2005/12/25 03:51:32 $
28  */
29  
30
31 package com.sun.appserv.management.util.jmx;
32
33 import javax.management.MBeanAttributeInfo JavaDoc;
34
35 /**
36     This class contains various filters based on read/write status of
37     an Attribute.
38  */
39 public class ReadWriteAttributeFilter implements AttributeFilter
40 {
41     protected ReadWriteAttributeFilter( ) {}
42     
43     /**
44      */
45         public boolean
46     filterAttribute( final MBeanAttributeInfo JavaDoc info )
47     {
48         throw new RuntimeException JavaDoc( "Can't get here" );
49     }
50     
51     public static final AttributeFilter READ_ONLY_FILTER =
52         new ReadWriteAttributeFilter( )
53     {
54         public boolean filterAttribute( final MBeanAttributeInfo JavaDoc info )
55         {
56             return( info.isReadable() && ! info.isWritable() );
57         }
58     };
59         
60     public static final AttributeFilter READABLE_FILTER =
61         new ReadWriteAttributeFilter( )
62     {
63         public boolean filterAttribute( final MBeanAttributeInfo JavaDoc info )
64         {
65             return( info.isReadable() );
66         }
67     };
68         
69     public static final AttributeFilter WRITE_ONLY_FILTER =
70         new ReadWriteAttributeFilter()
71     {
72         public boolean filterAttribute( final MBeanAttributeInfo JavaDoc info )
73         {
74             return( info.isWritable() && ! info.isReadable() );
75         }
76     };
77         
78     public static final AttributeFilter WRITEABLE_FILTER =
79         new ReadWriteAttributeFilter()
80     {
81         public boolean filterAttribute( final MBeanAttributeInfo JavaDoc info )
82         {
83             return( info.isWritable() );
84         }
85     };
86         
87     public static final AttributeFilter READ_WRITE_FILTER =
88         new ReadWriteAttributeFilter()
89     {
90         public boolean filterAttribute( final MBeanAttributeInfo JavaDoc info )
91         {
92             return( info.isWritable() && info.isReadable() );
93         }
94     };
95         
96     public static final AttributeFilter ALL_FILTER =
97         new ReadWriteAttributeFilter()
98     {
99         public boolean filterAttribute( final MBeanAttributeInfo JavaDoc info )
100         {
101             return( true );
102         }
103     };
104 }
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