XmlUtilities.java 文件源码

/**
 * Pretty print XML Node
 * @param node
 * @return
 * @throws XmlUtilitiesException
 */
public String xmlNodeToString( Node node ) throws XmlUtilitiesException {

    StringWriter sw = new StringWriter();
    try {
        Transformer transformer = TransformerFactory.newInstance().newTransformer();
        transformer.setOutputProperty(OutputPropertiesFactory.S_KEY_INDENT_AMOUNT, "4");
        transformer.setOutputProperty(OutputPropertiesFactory.S_KEY_LINE_SEPARATOR, "\n");
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        transformer.transform(new DOMSource(node), new StreamResult(sw));
    } catch (TransformerException te) {
        throw new XmlUtilitiesException("Error transforming XML node to String", te);
    }
    return sw.toString().trim();
}