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Java > Open Source Codes > org > jboss > axis > encoding > ser > EnumDeserializer


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
6  * reserved.
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9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
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20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Axis" and "Apache Software Foundation" must
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29  * software without prior written permission. For written
30  * permission, please contact apache@apache.org.
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33  * nor may "Apache" appear in their name, without prior written
34  * permission of the Apache Software Foundation.
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52  * information on the Apache Software Foundation, please see
53  * <http://www.apache.org/>.
54  */
55
56 package org.jboss.axis.encoding.ser;
57
58 import javax.xml.namespace.QName JavaDoc;
59 import java.beans.IntrospectionException JavaDoc;
60 import java.lang.reflect.Method JavaDoc;
61
62 /**
63  * Deserializer for a JAX-RPC enums.
64  *
65  * @author Rich Scheuerle <scheu@us.ibm.com>
66  * @author Sam Ruby <rubys@us.ibm.com>
67  */
68 public class EnumDeserializer extends SimpleDeserializer
69 {
70
71    private Method JavaDoc fromStringMethod = null;
72
73    public EnumDeserializer(Class JavaDoc javaType, QName JavaDoc xmlType)
74    {
75       super(javaType, xmlType);
76    }
77
78    public Object JavaDoc makeValue(String JavaDoc source) throws Exception JavaDoc
79    {
80       // Invoke the fromString static method to get the Enumeration value
81 if (isNil)
82          return null;
83       if (fromStringMethod == null)
84       {
85          try
86          {
87             fromStringMethod = javaType.getMethod("fromString",
88                     new Class JavaDoc[]{java.lang.String JavaDoc.class});
89          }
90          catch (Exception JavaDoc e)
91          {
92             throw new IntrospectionException JavaDoc(e.toString());
93          }
94       }
95       return fromStringMethod.invoke(null, new Object JavaDoc[]{source});
96    }
97 }
98
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