001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common Development
008: * and Distribution License("CDDL") (collectively, the "License"). You
009: * may not use this file except in compliance with the License. You can obtain
010: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
012: * language governing permissions and limitations under the License.
013: *
014: * When distributing the software, include this License Header Notice in each
015: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016: * Sun designates this particular file as subject to the "Classpath" exception
017: * as provided by Sun in the GPL Version 2 section of the License file that
018: * accompanied this code. If applicable, add the following below the License
019: * Header, with the fields enclosed by brackets [] replaced by your own
020: * identifying information: "Portions Copyrighted [year]
021: * [name of copyright owner]"
022: *
023: * Contributor(s):
024: *
025: * If you wish your version of this file to be governed by only the CDDL or
026: * only the GPL Version 2, indicate your decision by adding "[Contributor]
027: * elects to include this software in this distribution under the [CDDL or GPL
028: * Version 2] license." If you don't indicate a single choice of license, a
029: * recipient has the option to distribute your version of this file under
030: * either the CDDL, the GPL Version 2 or to extend the choice of license to
031: * its licensees as provided above. However, if you add GPL Version 2 code
032: * and therefore, elected the GPL Version 2 license, then the option applies
033: * only if the new code is made subject to such option by the copyright
034: * holder.
035: */
036:
037: package com.sun.tools.xjc.api.impl.s2j;
038:
039: import javax.xml.bind.JAXBElement;
040: import javax.xml.namespace.QName;
041:
042: import com.sun.tools.xjc.outline.FieldOutline;
043: import com.sun.tools.xjc.outline.ClassOutline;
044: import com.sun.tools.xjc.outline.FieldAccessor;
045: import com.sun.tools.xjc.outline.Aspect;
046: import com.sun.tools.xjc.outline.Outline;
047: import com.sun.tools.xjc.model.CPropertyInfo;
048: import com.sun.tools.xjc.model.CElementInfo;
049: import com.sun.tools.xjc.model.CReferencePropertyInfo;
050: import com.sun.codemodel.JType;
051: import com.sun.codemodel.JExpression;
052: import com.sun.codemodel.JBlock;
053: import com.sun.codemodel.JVar;
054: import com.sun.codemodel.JConditional;
055: import com.sun.codemodel.JExpr;
056: import com.sun.codemodel.JCodeModel;
057: import com.sun.codemodel.JInvocation;
058:
059: /**
060: * {@link FieldOutline} that wraps another {@link FieldOutline}
061: * and allows JAX-WS to access values without using about
062: * {@link JAXBElement}.
063: *
064: * <p>
065: * That means if a value is requested, we unwrap JAXBElement
066: * and give it to them. If a value is set, we wrap that into
067: * JAXBElement, etc.
068: *
069: * <p>
070: * This can be used only with {@link CReferencePropertyInfo}
071: * (or else it won't be {@link JAXBElement),
072: * with one {@link CElementInfo} (or else we can't infer the tag name.)
073: *
074: * @author Kohsuke Kawaguchi
075: */
076: abstract class ElementAdapter implements FieldOutline {
077: protected final FieldOutline core;
078:
079: /**
080: * The only one {@link CElementInfo} that can be in the property.
081: */
082: protected final CElementInfo ei;
083:
084: public ElementAdapter(FieldOutline core, CElementInfo ei) {
085: this .core = core;
086: this .ei = ei;
087: }
088:
089: public ClassOutline parent() {
090: return core.parent();
091: }
092:
093: public CPropertyInfo getPropertyInfo() {
094: return core.getPropertyInfo();
095: }
096:
097: protected final Outline outline() {
098: return core.parent().parent();
099: }
100:
101: protected final JCodeModel codeModel() {
102: return outline().getCodeModel();
103: }
104:
105: protected abstract class FieldAccessorImpl implements FieldAccessor {
106: final FieldAccessor acc;
107:
108: public FieldAccessorImpl(JExpression target) {
109: acc = core.create(target);
110: }
111:
112: public void unsetValues(JBlock body) {
113: acc.unsetValues(body);
114: }
115:
116: public JExpression hasSetValue() {
117: return acc.hasSetValue();
118: }
119:
120: public FieldOutline owner() {
121: return ElementAdapter.this ;
122: }
123:
124: public CPropertyInfo getPropertyInfo() {
125: return core.getPropertyInfo();
126: }
127:
128: /**
129: * Wraps a type value into a {@link JAXBElement}.
130: */
131: protected final JInvocation createJAXBElement(JExpression $var) {
132: JCodeModel cm = codeModel();
133:
134: return JExpr._new(cm.ref(JAXBElement.class)).arg(
135: JExpr._new(cm.ref(QName.class)).arg(
136: ei.getElementName().getNamespaceURI()).arg(
137: ei.getElementName().getLocalPart())).arg(
138: getRawType().boxify().erasure().dotclass()).arg(
139: $var);
140: }
141: }
142: }
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