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.model;
  27 
  28 import javax.xml.namespace.QName;
  29 
  30 import com.sun.codemodel.internal.JClass;
  31 import com.sun.tools.internal.xjc.model.nav.NClass;
  32 import com.sun.tools.internal.xjc.model.nav.NType;
  33 import com.sun.tools.internal.xjc.outline.Aspect;
  34 import com.sun.tools.internal.xjc.outline.Outline;
  35 import com.sun.tools.internal.xjc.reader.xmlschema.bindinfo.BIClass;
  36 import com.sun.tools.internal.xjc.reader.xmlschema.bindinfo.BIEnum;
  37 import com.sun.xml.internal.xsom.XSComponent;
  38 
  39 /**
  40  * Reference to an existing class.
  41  *
  42  * @author Kohsuke Kawaguchi
  43  */
  44 public final class CClassRef extends AbstractCElement implements NClass, CClass {
  45 
  46     private final String fullyQualifiedClassName;
  47 
  48     /**
  49      * Cached for both performance and single identity.
  50      */
  51     private JClass clazz;
  52 
  53     /**
  54      *
  55      * @param decl
  56      *      The {@link BIClass} declaration that has {@link BIClass#getExistingClassRef()}
  57      */
  58     public CClassRef(Model model, XSComponent source, BIClass decl, CCustomizations customizations) {
  59         super(model, source, decl.getLocation(), customizations);
  60         fullyQualifiedClassName = decl.getExistingClassRef();
  61         assert fullyQualifiedClassName!=null;
  62     }
  63 
  64     /**
  65      *
  66      * @param decl
  67      *      The {@link BIClass} declaration that has {@link BIEnum#ref}
  68      */
  69     public CClassRef(Model model, XSComponent source, BIEnum decl, CCustomizations customizations) {
  70         super(model, source, decl.getLocation(), customizations);
  71         fullyQualifiedClassName = decl.ref;
  72         assert fullyQualifiedClassName!=null;
  73     }
  74 
  75     public void setAbstract() {
  76         // assume that the referenced class is marked as abstract to begin with.
  77     }
  78 
  79     public boolean isAbstract() {
  80         // no way to find out for sure
  81         return false;
  82     }
  83 
  84     public NType getType() {
  85         return this;
  86     }
  87 
  88     public JClass toType(Outline o, Aspect aspect) {
  89         if(clazz==null)
  90             clazz = o.getCodeModel().ref(fullyQualifiedClassName);
  91         return clazz;
  92     }
  93 
  94     public String fullName() {
  95         return fullyQualifiedClassName;
  96     }
  97 
  98     public QName getTypeName() {
  99         return null;
 100     }
 101 
 102     /**
 103      * Guaranteed to return this.
 104      */
 105     @Deprecated
 106     public CNonElement getInfo() {
 107         return this;
 108     }
 109 
 110 // are these going to bite us?
 111 //    we can compute some of them, but not all.
 112 
 113     public CElement getSubstitutionHead() {
 114         return null;
 115     }
 116 
 117     public CClassInfo getScope() {
 118         return null;
 119     }
 120 
 121     public QName getElementName() {
 122         return null;
 123     }
 124 
 125     public boolean isBoxedType() {
 126         return false;
 127     }
 128 
 129     public boolean isSimpleType() {
 130         return false;
 131     }
 132 
 133 
 134 }