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1   /*
2    * Copyright 2002,2004 The Apache Software Foundation.
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  package org.apache.commons.jelly.tags.jmx;
17  
18  import javax.management.MalformedObjectNameException;
19  import javax.management.ObjectName;
20  
21  import org.apache.commons.beanutils.ConversionException;
22  import org.apache.commons.beanutils.Converter;
23  
24  /***
25   * A Converter that turns Strings into JMX ObjectName objects
26   *
27   * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
28   * @version $Revision: 155420 $
29   */
30  public class ObjectNameConverter implements Converter {
31  
32      private static final ObjectNameConverter instance =
33          new ObjectNameConverter();
34  
35      public static ObjectNameConverter getInstance() {
36          return instance;
37      }
38  
39      //-------------------------------------------------------------------------
40      public Object convert(Class type, Object value) {
41          try {
42              if (value == null) {
43                  return new ObjectName("");
44              }
45              else {
46                  return new ObjectName(value.toString());
47              }
48          }
49          catch (MalformedObjectNameException e) {
50              throw new ConversionException(
51                  "Could not convert: "
52                      + value
53                      + " into ObjectName. Reason: "
54                      + e,
55                  e);
56          }
57      }
58  }