1 /*
   2  * Copyright (c) 1997, 2015, 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.reader.dtd.bindinfo;
  27 
  28 import java.util.ArrayList;
  29 
  30 import com.sun.tools.internal.xjc.generator.bean.field.FieldRenderer;
  31 import com.sun.tools.internal.xjc.generator.bean.field.FieldRendererFactory;
  32 
  33 import org.w3c.dom.Attr;
  34 import org.w3c.dom.Element;
  35 
  36 /** {@code <attribute>} declaration in the binding file. */
  37 public class BIAttribute
  38 {
  39     /**
  40      * Wraps a given {@code <attribute>} element.
  41      * <p>
  42      * Should be created only from {@link BIElement}.
  43      */
  44     BIAttribute( BIElement _parent, Element _e ) {
  45         this.parent = _parent;
  46         this.element = _e;
  47     }
  48 
  49     private final BIElement parent;
  50     private final Element element;
  51 
  52     /** Gets the name of this attribute-property declaration. */
  53     public final String name() {
  54         return element.getAttribute("name");
  55     }
  56 
  57 
  58     /**
  59      * Gets the conversion method for this attribute, if any.
  60      *
  61      * @return
  62      *        If the convert attribute is not specified, this
  63      *        method returns null.
  64      */
  65     public BIConversion getConversion() {
  66         if (element.getAttributeNode("convert") == null)
  67             return null;
  68 
  69         String cnv = element.getAttribute("convert");
  70         return parent.conversion(cnv);
  71     }
  72 
  73     /**
  74      * Gets the realization of this particle, if any.
  75      *
  76      * @return
  77      *      null if the "collection" attribute was not specified.
  78      */
  79     public final FieldRenderer getRealization() {
  80         Attr a = element.getAttributeNode("collection");
  81         if(a==null)     return null;
  82 
  83         String v = element.getAttribute("collection").trim();
  84 
  85         FieldRendererFactory frf = parent.parent.model.options.getFieldRendererFactory();
  86         if(v.equals("array"))   return frf.getArray();
  87         if(v.equals("list"))
  88             return frf.getList(
  89                 parent.parent.codeModel.ref(ArrayList.class));
  90 
  91         // the correctness of the attribute value must be
  92         // checked by the validator.
  93         throw new InternalError("unexpected collection value: "+v);
  94     }
  95 
  96     /**
  97      * Gets the property name for this attribute.
  98      *
  99      * @return
 100      *      always a non-null, valid string.
 101      */
 102     public final String getPropertyName() {
 103         String r = DOMUtil.getAttribute(element,"property");
 104         if(r!=null)     return r;
 105         else            return name();
 106     }
 107 }
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