aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.tools.internal.xjc.model;
aoqi@0: 
aoqi@0: import javax.xml.namespace.QName;
aoqi@0: 
aoqi@0: import com.sun.tools.internal.xjc.model.nav.NClass;
aoqi@0: import com.sun.tools.internal.xjc.model.nav.NType;
aoqi@0: import com.sun.xml.internal.bind.v2.model.core.AttributePropertyInfo;
aoqi@0: import com.sun.xml.internal.bind.v2.model.core.PropertyKind;
aoqi@0: import com.sun.xml.internal.xsom.XSComponent;
aoqi@0: import com.sun.istack.internal.Nullable;
aoqi@0: 
aoqi@0: import org.xml.sax.Locator;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * {@link AttributePropertyInfo} for the compiler.
aoqi@0:  *
aoqi@0:  * @author Kohsuke Kawaguchi
aoqi@0:  */
aoqi@0: public final class CAttributePropertyInfo extends CSingleTypePropertyInfo implements AttributePropertyInfo<NType,NClass> {
aoqi@0: 
aoqi@0:     private final QName attName;
aoqi@0:     private final boolean isRequired;
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * @param type
aoqi@0:      *      Represents the bound type of this attribute.
aoqi@0:      * @param typeName
aoqi@0:      *      XML Schema type name of this attribute. Optional for other schema languages.
aoqi@0:      */
aoqi@0:     public CAttributePropertyInfo(String name, XSComponent source, CCustomizations customizations,
aoqi@0:                                   Locator locator, QName attName, TypeUse type, @Nullable QName typeName,
aoqi@0:                                   boolean required ) {
aoqi@0:         super(name, type, typeName, source, customizations, locator);
aoqi@0:         isRequired = required;
aoqi@0:         this.attName = attName;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean isRequired() {
aoqi@0:         return isRequired;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public QName getXmlName() {
aoqi@0:         return attName;
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * An optional attribute can never be unboxable,
aoqi@0:      * for we need null to represent the absence.
aoqi@0:      */
aoqi@0:     public boolean isUnboxable() {
aoqi@0:         if(!isRequired) return false;
aoqi@0:         return super.isUnboxable();
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public boolean isOptionalPrimitive() {
aoqi@0:         return !isRequired && super.isUnboxable();
aoqi@0:     }
aoqi@0: 
aoqi@0:     public <V> V accept(CPropertyVisitor<V> visitor) {
aoqi@0:         return visitor.onAttribute(this);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public final PropertyKind kind() {
aoqi@0:         return  PropertyKind.ATTRIBUTE;
aoqi@0:     }
aoqi@0: }