1 /*
   2  * Copyright (c) 2002, 2013, 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 org.openjdk.buildtools.generatenimbus;
  27 
  28 import javax.xml.stream.XMLStreamException;
  29 import javax.xml.stream.XMLStreamReader;
  30 import java.util.ArrayList;
  31 import java.util.List;
  32 
  33 class Layer {
  34     /** List of shapes in this layer, first shape is painted on top */
  35     private List<Shape> shapes = new ArrayList<Shape>();
  36 
  37     Layer(XMLStreamReader reader) throws XMLStreamException {
  38         while (reader.hasNext()) {
  39             int eventType = reader.next();
  40             switch (eventType) {
  41                 case XMLStreamReader.START_ELEMENT:
  42                     switch (reader.getLocalName()) {
  43                         case "shapes":
  44                             shapes = new ArrayList<>();
  45                             break;
  46                         case "ellipse":
  47                             shapes.add(new Ellipse(reader));
  48                             break;
  49                         case "path":
  50                             shapes.add(new Path(reader));
  51                             break;
  52                         case "rectangle":
  53                             shapes.add(new Rectangle(reader));
  54                             break;
  55                     }
  56                     break;
  57                 case XMLStreamReader.END_ELEMENT:
  58                     switch (reader.getLocalName()) {
  59                         case "layer":
  60                             return;
  61                     }
  62                     break;
  63             }
  64         }
  65     }
  66 
  67     public List<Shape> getShapes() { return shapes; }
  68 
  69     public boolean isEmpty() {
  70         return shapes.isEmpty();
  71     }
  72 }