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 
  26 package com.sun.xml.internal.bind.v2.model.impl;
  27 
  28 import javax.xml.bind.annotation.XmlElementWrapper;
  29 import javax.xml.namespace.QName;
  30 
  31 import com.sun.xml.internal.bind.v2.runtime.IllegalAnnotationException;
  32 
  33 /**
  34  * Common part of {@link ElementPropertyInfoImpl} and {@link ReferencePropertyInfoImpl}.
  35  *
  36  * @author Kohsuke Kawaguchi
  37  */
  38 abstract class ERPropertyInfoImpl<TypeT,ClassDeclT,FieldT,MethodT>
  39     extends PropertyInfoImpl<TypeT,ClassDeclT,FieldT,MethodT> {
  40 
  41     public ERPropertyInfoImpl(ClassInfoImpl<TypeT, ClassDeclT, FieldT, MethodT> classInfo, PropertySeed<TypeT, ClassDeclT, FieldT, MethodT> propertySeed) {
  42         super(classInfo, propertySeed);
  43 
  44         XmlElementWrapper e = seed.readAnnotation(XmlElementWrapper.class);
  45 
  46         boolean nil = false;
  47         boolean required = false;
  48         if(!isCollection()) {
  49             xmlName = null;
  50             if(e!=null)
  51                 classInfo.builder.reportError(new IllegalAnnotationException(
  52                     Messages.XML_ELEMENT_WRAPPER_ON_NON_COLLECTION.format(
  53                         nav().getClassName(parent.getClazz())+'.'+seed.getName()),
  54                     e
  55                 ));
  56         } else {
  57             if(e!=null) {
  58                 xmlName = calcXmlName(e);
  59                 nil = e.nillable();
  60                 required = e.required();
  61             } else
  62                 xmlName = null;
  63         }
  64 
  65         wrapperNillable = nil;
  66         wrapperRequired = required;
  67     }
  68 
  69     private final QName xmlName;
  70 
  71     /**
  72      * True if the wrapper tag name is nillable.
  73      */
  74     private final boolean wrapperNillable;
  75 
  76     /**
  77      * True if the wrapper tag is required.
  78      */
  79     private final boolean wrapperRequired;
  80 
  81     /**
  82      * Gets the wrapper element name.
  83      */
  84     public final QName getXmlName() {
  85         return xmlName;
  86     }
  87 
  88     public final boolean isCollectionNillable() {
  89         return wrapperNillable;
  90     }
  91 
  92     public final boolean isCollectionRequired() {
  93         return wrapperRequired;
  94     }
  95 }