01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common Development
08: * and Distribution License("CDDL") (collectively, the "License"). You
09: * may not use this file except in compliance with the License. You can obtain
10: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
11: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
12: * language governing permissions and limitations under the License.
13: *
14: * When distributing the software, include this License Header Notice in each
15: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
16: * Sun designates this particular file as subject to the "Classpath" exception
17: * as provided by Sun in the GPL Version 2 section of the License file that
18: * accompanied this code. If applicable, add the following below the License
19: * Header, with the fields enclosed by brackets [] replaced by your own
20: * identifying information: "Portions Copyrighted [year]
21: * [name of copyright owner]"
22: *
23: * Contributor(s):
24: *
25: * If you wish your version of this file to be governed by only the CDDL or
26: * only the GPL Version 2, indicate your decision by adding "[Contributor]
27: * elects to include this software in this distribution under the [CDDL or GPL
28: * Version 2] license." If you don't indicate a single choice of license, a
29: * recipient has the option to distribute your version of this file under
30: * either the CDDL, the GPL Version 2 or to extend the choice of license to
31: * its licensees as provided above. However, if you add GPL Version 2 code
32: * and therefore, elected the GPL Version 2 license, then the option applies
33: * only if the new code is made subject to such option by the copyright
34: * holder.
35: */
36:
37: package com.sun.xml.bind.v2.model.core;
38:
39: import javax.xml.bind.annotation.adapters.XmlAdapter;
40: import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
41:
42: import com.sun.xml.bind.v2.model.annotation.AnnotationReader;
43: import com.sun.xml.bind.v2.model.nav.Navigator;
44:
45: /**
46: * {@link Adapter} that wraps {@link XmlJavaTypeAdapter}.
47: *
48: * @author Kohsuke Kawaguchi
49: */
50: public class Adapter<TypeT, ClassDeclT> {
51: /**
52: * The adapter class. Always non-null.
53: *
54: * A class that derives from {@link javax.xml.bind.annotation.adapters.XmlAdapter}.
55: */
56: public final ClassDeclT adapterType;
57:
58: /**
59: * The type that the JAXB can handle natively.
60: * The <tt>Default</tt> parameter of <tt>XmlAdapter<Default,Custom></tt>.
61: *
62: * Always non-null.
63: */
64: public final TypeT defaultType;
65:
66: /**
67: * The type that is stored in memory.
68: * The <tt>Custom</tt> parameter of <tt>XmlAdapter<Default,Custom></tt>.
69: */
70: public final TypeT customType;
71:
72: public Adapter(XmlJavaTypeAdapter spec,
73: AnnotationReader<TypeT, ClassDeclT, ?, ?> reader,
74: Navigator<TypeT, ClassDeclT, ?, ?> nav) {
75:
76: this (nav.asDecl(reader.getClassValue(spec, "value")), nav);
77: }
78:
79: public Adapter(ClassDeclT adapterType,
80: Navigator<TypeT, ClassDeclT, ?, ?> nav) {
81: this .adapterType = adapterType;
82: TypeT baseClass = nav.getBaseClass(nav.use(adapterType), nav
83: .asDecl(XmlAdapter.class));
84:
85: // because the parameterization of XmlJavaTypeAdapter requires that the class derives from XmlAdapter.
86: assert baseClass != null;
87:
88: if (nav.isParameterizedType(baseClass))
89: defaultType = nav.getTypeArgument(baseClass, 0);
90: else
91: defaultType = nav.ref(Object.class);
92:
93: if (nav.isParameterizedType(baseClass))
94: customType = nav.getTypeArgument(baseClass, 1);
95: else
96: customType = nav.ref(Object.class);
97: }
98: }
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