TabularDataStringifier


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.appserv.management.util.jmx.stringifier;
24  
25  import java.util.Set  ;
26  import java.util.List  ;
27  import java.util.Iterator  ;
28  
29  import javax.management.openmbean.TabularData  ;
30  import javax.management.openmbean.CompositeData  ;
31  import javax.management.openmbean.TabularType  ;
32  
33  import com.sun.appserv.management.util.misc.StringUtil;
34  import com.sun.appserv.management.util.stringifier.Stringifier;
35  import com.sun.appserv.management.util.stringifier.SmartStringifier;
36  
37  
38  public class TabularDataStringifier implements Stringifier
39  {
40      public static final TabularDataStringifier  DEFAULT = new TabularDataStringifier();
41      
42          public
43      TabularDataStringifier( )
44      {
45      }
46      
47          public String  
48      stringify( Object   o )
49      {
50          final StringBuffer    buf = new StringBuffer  ();
51          buf.append( "Tabular data:\n" );
52          
53          final TabularData     data    = (TabularData  )o;
54          final TabularType     type    = data.getTabularType();
55          
56          final List        indexNames  = type.getIndexNames();
57          final Set         rowKeys     = data.keySet();
58          final Iterator    rowIter = rowKeys.iterator();
59          int             rowIndex    = 0;
60          while ( rowIter.hasNext() )
61          {
62              final Object  []      key     = (Object  [])rowIter.next();
63              final CompositeData   item    = data.get( key );
64              
65              final String      s   = SmartStringifier.toString( item );
66              
67              // emit the row index followed by the row
68              buf.append( "[" + rowIndex + "] " );
69              buf.append( s + "\n" );
70              
71              ++rowIndex;
72          }
73          
74          return( buf.toString() );
75      }
76  }
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