/**
* Pretty prints the given node
*
* @param node the node, usually a document, to be printed
* @param prefs the formatting preferences
* @param style the formatting style to use
* @param lineSeparator the line separator to use, or null to use the default
* @param endWithNewline if true, ensure that the printed output ends with a newline
* @return a formatted string
*/
@NonNull
public static String prettyPrint(
@NonNull Node node,
@NonNull XmlFormatPreferences prefs,
@NonNull XmlFormatStyle style,
@Nullable String lineSeparator,
boolean endWithNewline) {
XmlPrettyPrinter printer = new XmlPrettyPrinter(prefs, style, lineSeparator);
printer.setEndWithNewline(endWithNewline);
StringBuilder sb = new StringBuilder(1000);
printer.prettyPrint(-1, node, null, null, sb, false /*openTagOnly*/);
String xml = sb.toString();
if (node.getNodeType() == Node.DOCUMENT_NODE && !xml.startsWith("<?")) { // $NON-NLS-1$
xml = XML_PROLOG + xml;
}
return xml;
}
/**
* Pretty-prints the given XML document, which must be well-formed. If it is not, the original
* unformatted XML document is returned
*
* @param xml the XML content to format
* @param prefs the preferences to format with
* @param style the style to format with
* @param lineSeparator the line separator to use, such as "\n" (can be null, in which case the
* system default is looked up via the line.separator property)
* @return the formatted document (or if a parsing error occurred, returns the unformatted
* document)
*/
@NonNull
public static String prettyPrint(
@NonNull String xml,
@NonNull XmlFormatPreferences prefs,
@NonNull XmlFormatStyle style,
@Nullable String lineSeparator) {
Document document = XmlUtils.parseDocumentSilently(xml, true);
if (document != null) {
XmlPrettyPrinter printer = new XmlPrettyPrinter(prefs, style, lineSeparator);
printer.setEndWithNewline(xml.endsWith(printer.getLineSeparator()));
StringBuilder sb = new StringBuilder(3 * xml.length() / 2);
printer.prettyPrint(-1, document, null, null, sb, false /*openTagOnly*/);
return sb.toString();
} else {
// Parser error: just return the unformatted content
return xml;
}
}
