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 javax.xml.namespace.QName;
040:
041: import com.sun.tools.xjc.model.nav.NClass;
042: import com.sun.tools.xjc.model.nav.NType;
043: import com.sun.xml.bind.v2.model.core.AttributePropertyInfo;
044: import com.sun.xml.bind.v2.model.core.PropertyKind;
045: import com.sun.xml.xsom.XSComponent;
046: import com.sun.istack.Nullable;
047:
048: import org.xml.sax.Locator;
049:
050: /**
051: * {@link AttributePropertyInfo} for the compiler.
052: *
053: * @author Kohsuke Kawaguchi
054: */
055: public final class CAttributePropertyInfo extends
056: CSingleTypePropertyInfo implements
057: AttributePropertyInfo<NType, NClass> {
058:
059: private final QName attName;
060: private final boolean isRequired;
061:
062: /**
063: * @param type
064: * Represents the bound type of this attribute.
065: * @param typeName
066: * XML Schema type name of this attribute. Optional for other schema languages.
067: */
068: public CAttributePropertyInfo(String name, XSComponent source,
069: CCustomizations customizations, Locator locator,
070: QName attName, TypeUse type, @Nullable
071: QName typeName, boolean required) {
072: super (name, type, typeName, source, customizations, locator);
073: isRequired = required;
074: this .attName = attName;
075: }
076:
077: public boolean isRequired() {
078: return isRequired;
079: }
080:
081: public QName getXmlName() {
082: return attName;
083: }
084:
085: /**
086: * An optional attribute can never be unboxable,
087: * for we need null to represent the absence.
088: */
089: public boolean isUnboxable() {
090: if (!isRequired)
091: return false;
092: return super .isUnboxable();
093: }
094:
095: @Override
096: public boolean isOptionalPrimitive() {
097: return !isRequired && super .isUnboxable();
098: }
099:
100: public <V> V accept(CPropertyVisitor<V> visitor) {
101: return visitor.onAttribute(this );
102: }
103:
104: public final PropertyKind kind() {
105: return PropertyKind.ATTRIBUTE;
106: }
107: }
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