/* * Copyright 2010, 2011, 2012 mapsforge.org * * This program is free software: you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License as published by the Free Software * Foundation, either version 3 of the License, or (at your option) any later version. * * This program 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License along with * this program. If not, see <http://www.gnu.org/licenses/>. */ package org.mapsforge.map.rendertheme.renderinstruction; import org.mapsforge.map.graphics.Paint; import org.mapsforge.map.graphics.Style; import org.mapsforge.map.rendertheme.GraphicAdapter; import org.mapsforge.map.rendertheme.GraphicAdapter.Color; import org.mapsforge.map.rendertheme.XmlUtils; import org.xml.sax.Attributes; import org.xml.sax.SAXException; /** * A builder for {@link Circle} instances. */ public class CircleBuilder { static final String FILL = "fill"; static final String RADIUS = "radius"; static final String SCALE_RADIUS = "scale-radius"; static final String STROKE = "stroke"; static final String STROKE_WIDTH = "stroke-width"; final Paint fill; final int level; Float radius; boolean scaleRadius; final Paint stroke; float strokeWidth; public CircleBuilder(GraphicAdapter graphicAdapter, String elementName, Attributes attributes, int level) throws SAXException { this.level = level; this.fill = graphicAdapter.getPaint(); this.fill.setColor(graphicAdapter.getColor(Color.TRANSPARENT)); this.fill.setStyle(Style.FILL); this.stroke = graphicAdapter.getPaint(); this.stroke.setColor(graphicAdapter.getColor(Color.TRANSPARENT)); this.stroke.setStyle(Style.STROKE); extractValues(graphicAdapter, elementName, attributes); } /** * @return a new {@code Circle} instance. */ public Circle build() { return new Circle(this); } private void extractValues(GraphicAdapter graphicAdapter, String elementName, Attributes attributes) throws SAXException { for (int i = 0; i < attributes.getLength(); ++i) { String name = attributes.getQName(i); String value = attributes.getValue(i); if (RADIUS.equals(name)) { this.radius = Float.valueOf(XmlUtils.parseNonNegativeFloat(name, value)); } else if (SCALE_RADIUS.equals(name)) { this.scaleRadius = Boolean.parseBoolean(value); } else if (FILL.equals(name)) { this.fill.setColor(graphicAdapter.parseColor(value)); } else if (STROKE.equals(name)) { this.stroke.setColor(graphicAdapter.parseColor(value)); } else if (STROKE_WIDTH.equals(name)) { this.strokeWidth = XmlUtils.parseNonNegativeFloat(name, value); } else { throw XmlUtils.createSAXException(elementName, name, value, i); } } XmlUtils.checkMandatoryAttribute(elementName, RADIUS, this.radius); } }