1 /*
2 * Copyright (c) 1997, 2010, 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 java.util.ArrayList;
29 import java.util.Collection;
30 import java.util.List;
31
32 import javax.xml.namespace.QName;
33
34 import com.sun.tools.internal.xjc.api.Mapping;
35 import com.sun.tools.internal.xjc.api.Property;
36 import com.sun.tools.internal.xjc.model.CClassInfo;
37 import com.sun.tools.internal.xjc.model.CElement;
38 import com.sun.tools.internal.xjc.model.CElementInfo;
39 import com.sun.tools.internal.xjc.model.CElementPropertyInfo;
40 import com.sun.tools.internal.xjc.model.CPropertyInfo;
41 import com.sun.tools.internal.xjc.model.CReferencePropertyInfo;
42 import com.sun.tools.internal.xjc.model.CTypeRef;
43 import com.sun.xml.internal.bind.v2.model.core.ClassInfo;
44 import com.sun.xml.internal.bind.v2.model.core.ReferencePropertyInfo;
45
46 import com.sun.xml.internal.xsom.XSComplexType;
47 import com.sun.xml.internal.xsom.XSComponent;
48 import com.sun.xml.internal.xsom.XSContentType;
49 import com.sun.xml.internal.xsom.XSModelGroup;
50 import com.sun.xml.internal.xsom.XSParticle;
51 import com.sun.xml.internal.xsom.XSTerm;
52
53 /**
54 * Partial common implementation between {@link ElementMappingImpl} and {@link BeanMappingImpl}
55 *
56 * @author Kohsuke Kawaguchi
57 */
58 abstract class AbstractMappingImpl<InfoT extends CElement> implements Mapping {
59
60 protected final JAXBModelImpl parent;
61 protected final InfoT clazz;
62 /**
63 * Lazily computed.
64 *
65 * @see #getWrapperStyleDrilldown()
66 */
67 private List<Property> drilldown = null;
68 private boolean drilldownComputed = false;
69
70 protected AbstractMappingImpl(JAXBModelImpl parent, InfoT clazz) {
71 this.parent = parent;
72 this.clazz = clazz;
73 }
74
75 public final QName getElement() {
76 return clazz.getElementName();
77 }
78
79 public final String getClazz() {
80 return clazz.getType().fullName();
81 }
82
83 public final List<? extends Property> getWrapperStyleDrilldown() {
84 if (!drilldownComputed) {
85 drilldownComputed = true;
86 drilldown = calcDrilldown();
87 }
88 return drilldown;
89 }
90
91 protected abstract List<Property> calcDrilldown();
92
93 /**
94 * Derived classes can use this method to implement {@link #calcDrilldown}.
95 */
96 protected List<Property> buildDrilldown(CClassInfo typeBean) {
97 //JAXWS 2.1 spec 2.3.1.2:
98 //Wrapper style if the wrapper elements only contain child elements,
99 //they must not contain xsd:choice
100 if (containingChoice(typeBean)) {
101 return null;
102 }
103
104 List<Property> result;
105
106 CClassInfo bc = typeBean.getBaseClass();
107 if (bc != null) {
108 result = buildDrilldown(bc);
109 if (result == null) {
110 return null; // aborted
111 }
112 } else {
113 result = new ArrayList<Property>();
114 }
115
116 for (CPropertyInfo p : typeBean.getProperties()) {
117 if (p instanceof CElementPropertyInfo) {
118 CElementPropertyInfo ep = (CElementPropertyInfo) p;
119 // wrong. A+,B,C is eligible for drill-down.
120 // if(ep.isCollection())
121 // // content model like A+,B,C is not eligible
122 // return null;
123
124 List<? extends CTypeRef> ref = ep.getTypes();
125 if (ref.size() != 1) {// content model like (A|B),C is not eligible
126 return null;
127 }
128
129 result.add(createPropertyImpl(ep, ref.get(0).getTagName()));
130 } else if (p instanceof ReferencePropertyInfo) {
131 CReferencePropertyInfo rp = (CReferencePropertyInfo) p;
132
133 Collection<CElement> elements = rp.getElements();
134 if (elements.size() != 1) {
135 return null;
136 }
137
138 CElement ref = elements.iterator().next();
139 if (ref instanceof ClassInfo) {
140 result.add(createPropertyImpl(rp, ref.getElementName()));
141 } else {
142 CElementInfo eref = (CElementInfo) ref;
143 if (!eref.getSubstitutionMembers().isEmpty()) {
144 return null; // elements with a substitution group isn't qualified for the wrapper style
145 }
146 // JAX-WS doesn't want to see JAXBElement, so we have to hide it for them.
147 ElementAdapter fr;
148 if (rp.isCollection()) {
149 fr = new ElementCollectionAdapter(parent.outline.getField(rp), eref);
150 } else {
151 fr = new ElementSingleAdapter(parent.outline.getField(rp), eref);
152 }
153
154 result.add(new PropertyImpl(this,
155 fr, eref.getElementName()));
156 }
157 } else {// to be eligible for the wrapper style, only elements are allowed.
158 // according to the JAX-RPC spec 2.3.1.2, element refs are disallowed
159 return null;
160 }
161
162 }
163
164 return result;
165 }
166
167 private boolean containingChoice(CClassInfo typeBean) {
168 XSComponent component = typeBean.getSchemaComponent();
169 if (component instanceof XSComplexType) {
170 XSContentType contentType = ((XSComplexType) component).getContentType();
171 XSParticle particle = contentType.asParticle();
172 if (particle != null) {
173 XSTerm term = particle.getTerm();
174 XSModelGroup modelGroup = term.asModelGroup();
175 if (modelGroup != null) {
176 return (modelGroup.getCompositor() == XSModelGroup.Compositor.CHOICE);
177 }
178 }
179 }
180
181 return false;
182 }
183
184 private Property createPropertyImpl(CPropertyInfo p, QName tagName) {
185 return new PropertyImpl(this,
186 parent.outline.getField(p), tagName);
187 }
188 }