/*

 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package build.tools.generatenimbus;

import javax.xml.stream.XMLStreamException;

import javax.xml.stream.XMLStreamReader;

import java.util.ArrayList;

import java.util.List;

class Layer {

    /** List of shapes in this layer, first shape is painted on top */

    private List<Shape> shapes = new ArrayList<Shape>();

    Layer(XMLStreamReader reader) throws XMLStreamException {

        while (reader.hasNext()) {

            int eventType = reader.next();

            switch (eventType) {

                case XMLStreamReader.START_ELEMENT:

                    switch (reader.getLocalName()) {

                        case "shapes":

                            shapes = new ArrayList<>();

                            break;

                        case "ellipse":

                            shapes.add(new Ellipse(reader));

                            break;

                        case "path":

                            shapes.add(new Path(reader));

                            break;

                        case "rectangle":

                            shapes.add(new Rectangle(reader));

                            break;

                    }

                    break;

                case XMLStreamReader.END_ELEMENT:

                    switch (reader.getLocalName()) {

                        case "layer":

                            return;

                    }

                    break;

            }

        }

    }

    public List<Shape> getShapes() { return shapes; }

    public boolean isEmpty() {

        return shapes.isEmpty();

    }

}