1 /* 2 * Copyright (c) 1997, 2011, 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.model; 27 28 import javax.xml.namespace.QName; 29 30 import com.sun.tools.internal.xjc.model.nav.NClass; 31 import com.sun.tools.internal.xjc.model.nav.NType; 32 import com.sun.xml.internal.bind.v2.model.core.AttributePropertyInfo; 33 import com.sun.xml.internal.bind.v2.model.core.PropertyKind; 34 import com.sun.xml.internal.xsom.XSComponent; 35 import com.sun.istack.internal.Nullable; 36 37 import org.xml.sax.Locator; 38 39 /** 40 * {@link AttributePropertyInfo} for the compiler. 41 * 42 * @author Kohsuke Kawaguchi 43 */ 44 public final class CAttributePropertyInfo extends CSingleTypePropertyInfo implements AttributePropertyInfo<NType,NClass> { 45 46 private final QName attName; 47 private final boolean isRequired; 48 49 /** 50 * @param type 51 * Represents the bound type of this attribute. 52 * @param typeName 53 * XML Schema type name of this attribute. Optional for other schema languages. 54 */ 55 public CAttributePropertyInfo(String name, XSComponent source, CCustomizations customizations, 56 Locator locator, QName attName, TypeUse type, @Nullable QName typeName, 57 boolean required ) { 58 super(name, type, typeName, source, customizations, locator); 59 isRequired = required; 60 this.attName = attName; 61 } 62 63 public boolean isRequired() { 64 return isRequired; 65 } 66 67 public QName getXmlName() { 68 return attName; 69 } 70 71 /** 72 * An optional attribute can never be unboxable, 73 * for we need null to represent the absence. 74 */ 75 public boolean isUnboxable() { 76 if(!isRequired) return false; 77 return super.isUnboxable(); 78 } 79 80 @Override 81 public boolean isOptionalPrimitive() { 82 return !isRequired && super.isUnboxable(); 83 } 84 85 public <V> V accept(CPropertyVisitor<V> visitor) { 86 return visitor.onAttribute(this); 87 } 88 89 public final PropertyKind kind() { 90 return PropertyKind.ATTRIBUTE; 91 } 92 }