1 /* 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * 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 62 Adapter( XmlJavaTypeAdapter spec, AnnotationReader<TypeT,ClassDeclT,?,?> reader, Navigator<TypeT,ClassDeclT,?,?> nav)63 public Adapter( 64 XmlJavaTypeAdapter spec, 65 AnnotationReader<TypeT,ClassDeclT,?,?> reader, 66 Navigator<TypeT,ClassDeclT,?,?> nav) { 67 68 this( nav.asDecl(reader.getClassValue(spec,"value")), nav ); 69 } 70 Adapter(ClassDeclT adapterType,Navigator<TypeT,ClassDeclT,?,?> nav)71 public Adapter(ClassDeclT adapterType,Navigator<TypeT,ClassDeclT,?,?> nav) { 72 this.adapterType = adapterType; 73 TypeT baseClass = nav.getBaseClass(nav.use(adapterType), nav.asDecl(XmlAdapter.class)); 74 75 // because the parameterization of XmlJavaTypeAdapter requires that the class derives from XmlAdapter. 76 assert baseClass!=null; 77 78 if(nav.isParameterizedType(baseClass)) 79 defaultType = nav.getTypeArgument(baseClass,0); 80 else 81 defaultType = nav.ref(Object.class); 82 83 if(nav.isParameterizedType(baseClass)) 84 customType = nav.getTypeArgument(baseClass,1); 85 else 86 customType = nav.ref(Object.class); 87 } 88 } 89