import com.sun.tools.internal.ws.processor.util.IndentingWriter; //导入依赖的package包/类
private void generateHandlerChainFile(Element hChains, String name) {
    String hcName = getHandlerConfigFileName(name);

    File packageDir = DirectoryUtil.getOutputDirectoryFor(name, destDir);
    File hcFile = new File(packageDir, hcName);

    options.addGeneratedFile(hcFile);

    try {
        IndentingWriter p =
            new IndentingWriter(
                new OutputStreamWriter(new FileOutputStream(hcFile)));
        Transformer it = XmlUtil.newTransformer();

        it.setOutputProperty(OutputKeys.METHOD, "xml");
        it.setOutputProperty(OutputKeys.INDENT, "yes");
        it.setOutputProperty(
            "{http://xml.apache.org/xslt}indent-amount",
            "2");
        it.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        it.transform( new DOMSource(hChains), new StreamResult(p) );
        p.close();
    } catch (Exception e) {
        throw new GeneratorException(
                "generator.nestedGeneratorError",
                e);
    }
}