ParticleIO.java 文件源码

/**
 * Save a single emitter to the XML file
 * 
 * @param out
 *            The location to which we should save
 * @param emitter
 *            The emitter to store to the XML file
 * @throws IOException
 *             Indicates a failure to write or encode the XML
 */
public static void saveEmitter(OutputStream out, ConfigurableEmitter emitter)
        throws IOException {
    try {
        DocumentBuilder builder = DocumentBuilderFactory.newInstance()
                .newDocumentBuilder();
        Document document = builder.newDocument();

        document.appendChild(emitterToElement(document, emitter));
        Result result = new StreamResult(new OutputStreamWriter(out,
                "utf-8"));
        DOMSource source = new DOMSource(document);

        TransformerFactory factory = TransformerFactory.newInstance();
        Transformer xformer = factory.newTransformer();
        xformer.setOutputProperty(OutputKeys.INDENT, "yes");

        xformer.transform(source, result);
    } catch (Exception e) {
        Log.error(e);
        throw new IOException("Failed to save emitter");
    }
}