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Java > Open Source Codes > org > apache > cayenne > access > types > SubclassTypeFactory


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19 package org.apache.cayenne.access.types;
20
21 import org.apache.cayenne.util.Util;
22
23 /**
24  * A {@link ExtendedTypeFactory} that makes a {@link ExtendedType} usable for subclasses
25  * of the className in the {@link ExtendedType}.
26  *
27  * @since 3.0
28  * @author halset
29  */
30 class SubclassTypeFactory implements ExtendedTypeFactory {
31
32     private ExtendedType type;
33     private Class JavaDoc javaClass;
34
35     SubclassTypeFactory(ExtendedType type) {
36         this.type = type;
37
38         try {
39             javaClass = Util.getJavaClass(type.getClassName());
40
41             // some classes that should not be handled here..
42 if (javaClass.isArray()
43                     || javaClass.equals(Object JavaDoc.class)
44                     || javaClass.isPrimitive()) {
45                 javaClass = null;
46             }
47         }
48         catch (ClassNotFoundException JavaDoc e) {
49             // ignore.
50 }
51     }
52
53     public ExtendedType getType(Class JavaDoc objectClass) {
54
55         if ((javaClass != null) && javaClass.isAssignableFrom(objectClass)) {
56             return type;
57         }
58
59         return null;
60     }
61
62 }
63
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