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.model;
038:
039: import java.util.Collection;
040: import java.util.HashSet;
041: import java.util.Set;
042: import java.util.Map;
043:
044: import javax.activation.MimeType;
045: import javax.xml.bind.annotation.W3CDomHandler;
046: import javax.xml.namespace.QName;
047:
048: import com.sun.tools.xjc.model.nav.NClass;
049: import com.sun.tools.xjc.model.nav.NType;
050: import com.sun.tools.xjc.model.nav.NavigatorImpl;
051: import com.sun.xml.bind.v2.model.core.ID;
052: import com.sun.xml.bind.v2.model.core.PropertyKind;
053: import com.sun.xml.bind.v2.model.core.ReferencePropertyInfo;
054: import com.sun.xml.bind.v2.model.core.WildcardMode;
055: import com.sun.xml.xsom.XSComponent;
056:
057: import org.xml.sax.Locator;
058:
059: /**
060: * {@link ReferencePropertyInfo} for the compiler.
061: *
062: * @author Kohsuke Kawaguchi
063: */
064: public final class CReferencePropertyInfo extends CPropertyInfo
065: implements ReferencePropertyInfo<NType, NClass> {
066:
067: /**
068: * List of referenced elements.
069: */
070: private final Set<CElement> elements = new HashSet<CElement>();
071:
072: private final boolean isMixed;
073: private WildcardMode wildcard;
074:
075: public CReferencePropertyInfo(String name, boolean collection,
076: boolean isMixed, XSComponent source,
077: CCustomizations customizations, Locator locator) {
078: super (name, collection || isMixed, source, customizations,
079: locator);
080: this .isMixed = isMixed;
081: }
082:
083: public Set<? extends CTypeInfo> ref() {
084: // if(wildcard==null && !isMixed())
085: // return getElements();
086:
087: // ugly hack to get the signature right for substitution groups
088: // when a class is generated for elements,they don't form a nice type hierarchy,
089: // so the Java types of the substitution members need to be taken into account
090: // when computing the signature
091:
092: final class RefList extends HashSet<CTypeInfo> {
093: RefList() {
094: super (elements.size());
095: addAll(elements);
096: }
097:
098: @Override
099: public boolean addAll(Collection<? extends CTypeInfo> col) {
100: boolean r = false;
101: for (CTypeInfo e : col) {
102: if (e instanceof CElementInfo) {
103: // UGLY. element substitution is implemented in a way that
104: // the derived elements are not assignable to base elements.
105: // so when we compute the signature, we have to take derived types
106: // into account
107: r |= addAll(((CElementInfo) e)
108: .getSubstitutionMembers());
109: }
110: r |= add(e);
111: }
112: return r;
113: }
114: }
115:
116: RefList r = new RefList();
117: if (wildcard != null) {
118: if (wildcard.allowDom)
119: r.add(CWildcardTypeInfo.INSTANCE);
120: if (wildcard.allowTypedObject)
121: // we aren't really adding an AnyType.
122: // this is a kind of hack to generate Object as a signature
123: r.add(CBuiltinLeafInfo.ANYTYPE);
124: }
125: if (isMixed())
126: r.add(CBuiltinLeafInfo.STRING);
127:
128: return r;
129: }
130:
131: public Set<CElement> getElements() {
132: return elements;
133: }
134:
135: public boolean isMixed() {
136: return isMixed;
137: }
138:
139: /**
140: * We'll never use a wrapper element in XJC. Always return null.
141: */
142: @Deprecated
143: public QName getXmlName() {
144: return null;
145: }
146:
147: /**
148: * Reference properties refer to elements, and none of the Java primitive type
149: * maps to an element. Thus a reference property is always unboxable.
150: */
151: @Override
152: public boolean isUnboxable() {
153: return false;
154: }
155:
156: // the same as above
157: @Override
158: public boolean isOptionalPrimitive() {
159: return false;
160: }
161:
162: public <V> V accept(CPropertyVisitor<V> visitor) {
163: return visitor.onReference(this );
164: }
165:
166: public CAdapter getAdapter() {
167: return null;
168: }
169:
170: public final PropertyKind kind() {
171: return PropertyKind.REFERENCE;
172: }
173:
174: /**
175: * A reference property can never be ID/IDREF because they always point to
176: * other element classes.
177: */
178: public ID id() {
179: return ID.NONE;
180: }
181:
182: public WildcardMode getWildcard() {
183: return wildcard;
184: }
185:
186: public void setWildcard(WildcardMode mode) {
187: this .wildcard = mode;
188: }
189:
190: public NClass getDOMHandler() {
191: // TODO: support other DOM handlers
192: if (getWildcard() != null)
193: return NavigatorImpl.create(W3CDomHandler.class);
194: else
195: return null;
196: }
197:
198: public MimeType getExpectedMimeType() {
199: return null;
200: }
201:
202: public boolean isCollectionNillable() {
203: // in XJC, we never recognize a nillable collection pattern, so this is always false.
204: return false;
205: }
206:
207: public boolean isCollectionRequired() {
208: // in XJC, we never recognize a nillable collection pattern, so this is always false.
209: return false;
210: }
211:
212: // reference property cannot have a type.
213: public QName getSchemaType() {
214: return null;
215: }
216:
217: @Override
218: public QName collectElementNames(Map<QName, CPropertyInfo> table) {
219: for (CElement e : elements) {
220: QName n = e.getElementName();
221: if (table.containsKey(n))
222: return n;
223: table.put(n, this);
224: }
225: return null;
226: }
227: }
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