XmlUtilities.java 文件源码

/**
 * Saves the xml, contained by the specified input with the custom indentation.
 * If the input is the result of jaxb marshalling, make sure to set
 * Marshaller.JAXB_FORMATTED_OUTPUT to false in order for this method to work
 * properly.
 * 
 * @param input
 * @param fos
 * @param indentation
 */
public static void saveWithCustomIndetation(ByteArrayInputStream input, FileOutputStream fos, int indentation) {
  try {
    Transformer transformer = SAXTransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty(OutputKeys.DOCTYPE_PUBLIC, "yes");
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", String.valueOf(indentation));
    Source xmlSource = new SAXSource(new org.xml.sax.InputSource(input));
    StreamResult res = new StreamResult(fos);
    transformer.transform(xmlSource, res);
    fos.flush();
    fos.close();
  } catch (TransformerFactoryConfigurationError | TransformerException | IOException e) {
    log.log(Level.SEVERE, e.getMessage(), e);
  }
}