1 /* 2 * Copyright (c) 1997, 2014, 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.Outline; 35 import com.sun.tools.internal.xjc.model.CPropertyInfo; 36 import com.sun.tools.internal.xjc.model.CElementInfo; 37 import com.sun.tools.internal.xjc.model.CReferencePropertyInfo; 38 import com.sun.codemodel.internal.JExpression; 39 import com.sun.codemodel.internal.JBlock; 40 import com.sun.codemodel.internal.JExpr; 41 import com.sun.codemodel.internal.JCodeModel; 42 import com.sun.codemodel.internal.JInvocation; 43 44 /** 45 * {@link FieldOutline} that wraps another {@link FieldOutline} 46 * and allows JAX-WS to access values without using about 47 * {@link JAXBElement}. 48 * 49 * <p> 50 * That means if a value is requested, we unwrap JAXBElement 51 * and give it to them. If a value is set, we wrap that into 52 * JAXBElement, etc. 53 * 54 * <p> 55 * This can be used only with {@link CReferencePropertyInfo} 56 * (or else it won't be {@link JAXBElement), 57 * with one {@link CElementInfo} (or else we can't infer the tag name.) 58 * 59 * @author Kohsuke Kawaguchi 60 */ 61 abstract class ElementAdapter implements FieldOutline { 62 protected final FieldOutline core; 63 64 /** 65 * The only one {@link CElementInfo} that can be in the property. 66 */ 67 protected final CElementInfo ei; 68 69 public ElementAdapter(FieldOutline core, CElementInfo ei) { 70 this.core = core; 71 this.ei = ei; 72 } 73 74 public ClassOutline parent() { 75 return core.parent(); 76 } 77 78 public CPropertyInfo getPropertyInfo() { 79 return core.getPropertyInfo(); 80 } 81 82 protected final Outline outline() { 83 return core.parent().parent(); 84 } 85 86 protected final JCodeModel codeModel() { 87 return outline().getCodeModel(); 88 } 89 90 protected abstract class FieldAccessorImpl implements FieldAccessor { 91 final FieldAccessor acc; 92 93 public FieldAccessorImpl(JExpression target) { 94 acc = core.create(target); 95 } 96 97 public void unsetValues(JBlock body) { 98 acc.unsetValues(body); 99 } 100 101 public JExpression hasSetValue() { 102 return acc.hasSetValue(); 103 } 104 105 public FieldOutline owner() { 106 return ElementAdapter.this; 107 } 108 109 public CPropertyInfo getPropertyInfo() { 110 return core.getPropertyInfo(); 111 } 112 113 /** 114 * Wraps a type value into a {@link JAXBElement}. 115 */ 116 protected final JInvocation createJAXBElement(JExpression $var) { 117 JCodeModel cm = codeModel(); 118 119 return JExpr._new(cm.ref(JAXBElement.class)) 120 .arg(JExpr._new(cm.ref(QName.class)) 121 .arg(ei.getElementName().getNamespaceURI()) 122 .arg(ei.getElementName().getLocalPart())) 123 .arg(getRawType().boxify().erasure().dotclass()) 124 .arg($var); 125 } 126 } 127 }