/* * 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 java.io.IOException; import org.mapsforge.map.graphics.Bitmap; import org.mapsforge.map.rendertheme.GraphicAdapter; import org.mapsforge.map.rendertheme.XmlUtils; import org.xml.sax.Attributes; import org.xml.sax.SAXException; /** * A builder for {@link Symbol} instances. */ public class SymbolBuilder { static final String SRC = "src"; Bitmap bitmap; public SymbolBuilder(GraphicAdapter graphicAdapter, String elementName, Attributes attributes, String relativePathPrefix) throws IOException, SAXException { extractValues(graphicAdapter, elementName, attributes, relativePathPrefix); } /** * @return a new {@code Symbol} instance. */ public Symbol build() { return new Symbol(this); } private void extractValues(GraphicAdapter graphicAdapter, String elementName, Attributes attributes, String relativePathPrefix) throws IOException, SAXException { for (int i = 0; i < attributes.getLength(); ++i) { String name = attributes.getQName(i); String value = attributes.getValue(i); if (SRC.equals(name)) { this.bitmap = XmlUtils.createBitmap(graphicAdapter, relativePathPrefix, value); } else { throw XmlUtils.createSAXException(elementName, name, value, i); } } XmlUtils.checkMandatoryAttribute(elementName, SRC, this.bitmap); } }