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Java > Open Source Codes > org > jboss > mx > mxbean > SkeletonOpenType


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2006, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.mx.mxbean;
23
24 import java.lang.reflect.ParameterizedType JavaDoc;
25 import java.lang.reflect.Type JavaDoc;
26
27 import javax.management.openmbean.OpenType JavaDoc;
28
29 import org.jboss.util.UnreachableStatementException;
30
31 /**
32  * SkeletonOpenType.
33  *
34  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
35  * @version $Revision: 1.1 $
36  */
37 public class SkeletonOpenType
38 {
39    /** The open type */
40    private OpenType JavaDoc openType;
41    
42    /** The composite type meta data */
43    private CompositeTypeMetaData composite;
44
45    /**
46     * Create a new SkeletonOpenType.
47     *
48     * @param type the type
49     */
50    public SkeletonOpenType(Type JavaDoc type)
51    {
52       openType = MXBeanUtils.checkType(type);
53       if (openType != null)
54          return;
55       Class JavaDoc clazz = null;
56       if (type instanceof ParameterizedType JavaDoc)
57       {
58          ParameterizedType JavaDoc parameterizedType = (ParameterizedType JavaDoc) type;
59          clazz = (Class JavaDoc) parameterizedType.getRawType();
60       }
61       else if (type instanceof Class JavaDoc)
62       {
63          clazz = (Class JavaDoc) type;
64       }
65       else
66       {
67          throw new UnsupportedOperationException JavaDoc("Unable to create open type for " + type);
68       }
69       composite = CompositeTypeMetaDataFactory.getCompositeTypeMetaData(clazz);
70    }
71    
72    /**
73     * Get the openType.
74     *
75     * @return the openType.
76     */
77    public OpenType JavaDoc getOpenType()
78    {
79       if (openType != null)
80          return openType;
81       if (composite != null)
82          return composite.getCompositeType();
83       throw new UnreachableStatementException();
84    }
85 }
86
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