01: /*
02: * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun in the LICENSE file that accompanied this code.
10: *
11: * This code is distributed in the hope that it will be useful, but WITHOUT
12: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14: * version 2 for more details (a copy is included in the LICENSE file that
15: * accompanied this code).
16: *
17: * You should have received a copy of the GNU General Public License version
18: * 2 along with this work; if not, write to the Free Software Foundation,
19: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20: *
21: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package com.sun.xml.internal.bind.v2.model.core;
27:
28: import javax.xml.bind.annotation.adapters.XmlAdapter;
29: import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
30:
31: import com.sun.xml.internal.bind.v2.model.annotation.AnnotationReader;
32: import com.sun.xml.internal.bind.v2.model.nav.Navigator;
33:
34: /**
35: * {@link Adapter} that wraps {@link XmlJavaTypeAdapter}.
36: *
37: * @author Kohsuke Kawaguchi
38: */
39: public class Adapter<TypeT, ClassDeclT> {
40: /**
41: * The adapter class. Always non-null.
42: *
43: * A class that derives from {@link javax.xml.bind.annotation.adapters.XmlAdapter}.
44: */
45: public final ClassDeclT adapterType;
46:
47: /**
48: * The type that the JAXB can handle natively.
49: * The <tt>Default</tt> parameter of <tt>XmlAdapter<Default,Custom></tt>.
50: *
51: * Always non-null.
52: */
53: public final TypeT defaultType;
54:
55: /**
56: * The type that is stored in memory.
57: * The <tt>Custom</tt> parameter of <tt>XmlAdapter<Default,Custom></tt>.
58: */
59: public final TypeT customType;
60:
61: public Adapter(XmlJavaTypeAdapter spec,
62: AnnotationReader<TypeT, ClassDeclT, ?, ?> reader,
63: Navigator<TypeT, ClassDeclT, ?, ?> nav) {
64:
65: this (nav.asDecl(reader.getClassValue(spec, "value")), nav);
66: }
67:
68: public Adapter(ClassDeclT adapterType,
69: Navigator<TypeT, ClassDeclT, ?, ?> nav) {
70: this .adapterType = adapterType;
71: TypeT baseClass = nav.getBaseClass(nav.use(adapterType), nav
72: .asDecl(XmlAdapter.class));
73:
74: // because the parameterization of XmlJavaTypeAdapter requires that the class derives from XmlAdapter.
75: assert baseClass != null;
76:
77: if (nav.isParameterizedType(baseClass))
78: defaultType = nav.getTypeArgument(baseClass, 0);
79: else
80: defaultType = nav.ref(Object.class);
81:
82: if (nav.isParameterizedType(baseClass))
83: customType = nav.getTypeArgument(baseClass, 1);
84: else
85: customType = nav.ref(Object.class);
86: }
87: }
|