1   /*   Copyright 2004 The Apache Software Foundation
    2    *
    3    *   Licensed under the Apache License, Version 2.0 (the "License");
    4    *   you may not use this file except in compliance with the License.
    5    *   You may obtain a copy of the License at
    6    *
    7    *       http://www.apache.org/licenses/LICENSE-2.0
    8    *
    9    *   Unless required by applicable law or agreed to in writing, software
   10    *   distributed under the License is distributed on an "AS IS" BASIS,
   11    *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   12    *   See the License for the specific language governing permissions and
   13    *  limitations under the License.
   14    */
   15   package org.apache.xmlbeans.samples.abstracttypes;
   16   
   17   import abstractFigures;
   18   import figures;
   19   import org.apache.xmlbeans.XmlObject;
   20   import org.apache.xmlbeans.XmlOptions;
   21   
   22   /**
   23    * Test class that builds a document using type substitution
   24    */
   25   public class AbstractTypes
   26   {
   27       public static void main(String[] args)
   28       {
   29           buildDocument(true);
   30       }
   31   
   32       public static XmlObject buildDocument(boolean enableOutput)
   33       {
   34           XmlOptions opt = (new XmlOptions()).setSavePrettyPrint();
   35   
   36           // Build a new document
   37           RootDocument doc = RootDocument.Factory.newInstance();
   38           RootDocument.Root figures = doc.addNewRoot();
   39           if (enableOutput)
   40               System.out.println("Empty document:\n" + doc.xmlText(opt) + "\n");
   41   
   42           // Add abstract figures
   43           Shape s1 = figures.addNewFigure();
   44           s1.setId("001");
   45           Shape s2 = figures.addNewFigure();
   46           s2.setId("002");
   47           // Document contains two shapes now
   48           // Because the shape is abstract, the document will not yet be valid
   49           if (enableOutput)
   50           {
   51               System.out.println("Document containing the abstract types:\n" + doc.xmlText(opt));
   52               System.out.println("Valid = " + doc.validate() + "\n");
   53           }
   54   
   55           // Change the abstract figures to concrete ones
   56           Circle circle = (Circle) s1.changeType(Circle.type);
   57           circle.setRadius(10.0);
   58           Square square = (Square) s2.changeType(Square.type);
   59           square.setSide(20.0);
   60           // Document contains two concrete shapes and is valid
   61           if (enableOutput)
   62           {
   63               System.out.println("Final document:\n" + doc.xmlText(opt));
   64               System.out.println("Vald = " + doc.validate());
   65           }
   66   
   67           return doc;
   68       }
   69   }