1 /*
   2  * Copyright (c) 1997, 2014, 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.generator.bean;
  27 
  28 
  29 import javax.xml.bind.JAXBElement;
  30 import javax.xml.namespace.QName;
  31 
  32 import com.sun.codemodel.internal.JClass;
  33 import com.sun.codemodel.internal.JCodeModel;
  34 import com.sun.codemodel.internal.JExpr;
  35 import com.sun.codemodel.internal.JExpression;
  36 import com.sun.codemodel.internal.JFieldVar;
  37 import com.sun.codemodel.internal.JInvocation;
  38 import com.sun.codemodel.internal.JMethod;
  39 import com.sun.codemodel.internal.JMod;
  40 import com.sun.codemodel.internal.JType;
  41 import com.sun.tools.internal.xjc.model.CElementInfo;
  42 import com.sun.tools.internal.xjc.model.Aspect;
  43 import com.sun.tools.internal.xjc.outline.ElementOutline;
  44 
  45 /**
  46  * {@link ElementOutline} implementation.
  47  *
  48  * @author Kohsuke Kawaguchi
  49  */
  50 final class ElementOutlineImpl extends ElementOutline {
  51     private final BeanGenerator parent;
  52 
  53     public BeanGenerator parent() {
  54         return parent;
  55     }
  56 
  57     /*package*/ ElementOutlineImpl(BeanGenerator parent, CElementInfo ei) {
  58         super(ei,
  59               parent.getClassFactory().createClass(
  60                       parent.getContainer( ei.parent, Aspect.EXPOSED ), ei.shortName(), ei.getLocator() ));
  61         this.parent = parent;
  62         parent.elements.put(ei,this);
  63 
  64         JCodeModel cm = parent.getCodeModel();
  65 
  66         implClass._extends(
  67             cm.ref(JAXBElement.class).narrow(
  68                 target.getContentInMemoryType().toType(parent,Aspect.EXPOSED).boxify()));
  69 
  70         if(ei.hasClass()) {
  71             JType implType = ei.getContentInMemoryType().toType(parent,Aspect.IMPLEMENTATION);
  72             JExpression declaredType = JExpr.cast(cm.ref(Class.class),implType.boxify().dotclass()); // why do we have to cast?
  73             JClass scope=null;
  74             if(ei.getScope()!=null)
  75                 scope = parent.getClazz(ei.getScope()).implRef;
  76             JExpression scopeClass = scope==null?JExpr._null():scope.dotclass();
  77             JFieldVar valField = implClass.field(JMod.PROTECTED|JMod.FINAL|JMod.STATIC,QName.class,"NAME",createQName(cm,ei.getElementName()));
  78 
  79             // take this opportunity to generate a constructor in the element class
  80             JMethod cons = implClass.constructor(JMod.PUBLIC);
  81             cons.body().invoke("super")
  82                 .arg(valField)
  83                 .arg(declaredType)
  84                 .arg(scopeClass)
  85                 .arg(cons.param(implType,"value"));
  86 
  87             // generate no-arg constructor in the element class (bug #391; section 5.6.2 in JAXB spec 2.1)
  88             JMethod noArgCons = implClass.constructor(JMod.PUBLIC);
  89             noArgCons.body().invoke("super")
  90                 .arg(valField)
  91                 .arg(declaredType)
  92                 .arg(scopeClass)
  93                 .arg(JExpr._null());
  94 
  95         }
  96     }
  97 
  98     /**
  99      * Generates an expression that evaluates to "new QName(...)"
 100      */
 101     private JInvocation createQName(JCodeModel codeModel,QName name) {
 102         return JExpr._new(codeModel.ref(QName.class)).arg(name.getNamespaceURI()).arg(name.getLocalPart());
 103     }
 104 }