1/* 2 * Copyright (c) 1997, 2012, 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 26package com.sun.xml.internal.bind.v2.model.impl; 27 28import javax.xml.namespace.QName; 29 30import com.sun.xml.internal.bind.v2.model.core.NonElement; 31import com.sun.xml.internal.bind.v2.model.core.PropertyInfo; 32import com.sun.xml.internal.bind.v2.model.core.TypeRef; 33 34/** 35 * @author Kohsuke Kawaguchi 36 */ 37class TypeRefImpl<TypeT,ClassDeclT> implements TypeRef<TypeT,ClassDeclT> { 38 private final QName elementName; 39 private final TypeT type; 40 protected final ElementPropertyInfoImpl<TypeT,ClassDeclT,?,?> owner; 41 private NonElement<TypeT,ClassDeclT> ref; 42 private final boolean isNillable; 43 private String defaultValue; 44 45 public TypeRefImpl(ElementPropertyInfoImpl<TypeT, ClassDeclT, ?, ?> owner, QName elementName, TypeT type, boolean isNillable, String defaultValue) { 46 this.owner = owner; 47 this.elementName = elementName; 48 this.type = type; 49 this.isNillable = isNillable; 50 this.defaultValue = defaultValue; 51 assert owner!=null; 52 assert elementName!=null; 53 assert type!=null; 54 } 55 56 public NonElement<TypeT,ClassDeclT> getTarget() { 57 if(ref==null) 58 calcRef(); 59 return ref; 60 } 61 62 public QName getTagName() { 63 return elementName; 64 } 65 66 public boolean isNillable() { 67 return isNillable; 68 } 69 70 public String getDefaultValue() { 71 return defaultValue; 72 } 73 74 protected void link() { 75 // if we have'nt computed the ref yet, do so now. 76 calcRef(); 77 } 78 79 private void calcRef() { 80 // we can't do this eagerly because of a cyclic dependency 81 ref = owner.parent.builder.getTypeInfo(type,owner); 82 assert ref!=null; 83 } 84 85 public PropertyInfo<TypeT,ClassDeclT> getSource() { 86 return owner; 87 } 88} 89