DatasetReader.java 文件源码

/**
 * Reads a {@link PieDataset} from a stream.
 *
 * @param in  the input stream.
 *
 * @return A dataset.
 *
 * @throws IOException if there is an I/O error.
 */
public static PieDataset readPieDatasetFromXML(InputStream in) 
    throws IOException {

    PieDataset result = null;
    SAXParserFactory factory = SAXParserFactory.newInstance();
    try {
        SAXParser parser = factory.newSAXParser();
        PieDatasetHandler handler = new PieDatasetHandler();
        parser.parse(in, handler);
        result = handler.getDataset();
    }
    catch (SAXException e) {
        System.out.println(e.getMessage());
    }
    catch (ParserConfigurationException e2) {
        System.out.println(e2.getMessage());
    }
    return result;

}