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.tools.internal.xjc.api.impl.s2j; 27 28 import javax.xml.bind.JAXBElement; 29 import javax.xml.namespace.QName; 30 31 import com.sun.tools.internal.xjc.outline.FieldOutline; 32 import com.sun.tools.internal.xjc.outline.ClassOutline; 33 import com.sun.tools.internal.xjc.outline.FieldAccessor; 34 import com.sun.tools.internal.xjc.outline.Aspect; 35 import com.sun.tools.internal.xjc.outline.Outline; 36 import com.sun.tools.internal.xjc.model.CPropertyInfo; 37 import com.sun.tools.internal.xjc.model.CElementInfo; 38 import com.sun.tools.internal.xjc.model.CReferencePropertyInfo; 39 import com.sun.codemodel.internal.JType; 40 import com.sun.codemodel.internal.JExpression; 41 import com.sun.codemodel.internal.JBlock; 42 import com.sun.codemodel.internal.JVar; 43 import com.sun.codemodel.internal.JConditional; 44 import com.sun.codemodel.internal.JExpr; 45 import com.sun.codemodel.internal.JCodeModel; 46 import com.sun.codemodel.internal.JInvocation; 47 48 /** 49 * {@link FieldOutline} that wraps another {@link FieldOutline} 50 * and allows JAX-WS to access values without using about 51 * {@link JAXBElement}. 52 * 53 * <p> 54 * That means if a value is requested, we unwrap JAXBElement 55 * and give it to them. If a value is set, we wrap that into 56 * JAXBElement, etc. 57 * 58 * <p> 59 * This can be used only with {@link CReferencePropertyInfo} 60 * (or else it won't be {@link JAXBElement), 61 * with one {@link CElementInfo} (or else we can't infer the tag name.) 62 * 63 * @author Kohsuke Kawaguchi 64 */ 65 abstract class ElementAdapter implements FieldOutline { 66 protected final FieldOutline core; 67 68 /** 69 * The only one {@link CElementInfo} that can be in the property. 70 */ 71 protected final CElementInfo ei; 72 73 public ElementAdapter(FieldOutline core, CElementInfo ei) { 74 this.core = core; 75 this.ei = ei; 76 } 77 78 public ClassOutline parent() { 79 return core.parent(); 80 } 81 82 public CPropertyInfo getPropertyInfo() { 83 return core.getPropertyInfo(); 84 } 85 86 protected final Outline outline() { 87 return core.parent().parent(); 88 } 89 90 protected final JCodeModel codeModel() { 91 return outline().getCodeModel(); 92 } 93 94 protected abstract class FieldAccessorImpl implements FieldAccessor { 95 final FieldAccessor acc; 96 97 public FieldAccessorImpl(JExpression target) { 98 acc = core.create(target); 99 } 100 101 public void unsetValues(JBlock body) { 102 acc.unsetValues(body); 103 } 104 105 public JExpression hasSetValue() { 106 return acc.hasSetValue(); 107 } 108 109 public FieldOutline owner() { 110 return ElementAdapter.this; 111 } 112 113 public CPropertyInfo getPropertyInfo() { 114 return core.getPropertyInfo(); 115 } 116 117 /** 118 * Wraps a type value into a {@link JAXBElement}. 119 */ 120 protected final JInvocation createJAXBElement(JExpression $var) { 121 JCodeModel cm = codeModel(); 122 123 return JExpr._new(cm.ref(JAXBElement.class)) 124 .arg(JExpr._new(cm.ref(QName.class)) 125 .arg(ei.getElementName().getNamespaceURI()) 126 .arg(ei.getElementName().getLocalPart())) 127 .arg(getRawType().boxify().erasure().dotclass()) 128 .arg($var); 129 } 130 } 131 }