this.html = html;
// create an instance of HtmlCleaner
cleaner = new HtmlCleaner();
// take default cleaner properties
CleanerProperties props = cleaner.getProperties();
// customize cleaner's behaviour with property setters
// props.setXXX(...);
props.setOmitXmlDeclaration(true);
props.setOmitHtmlEnvelope(true);
// Clean HTML taken from simple string, file, URL, input stream,
// input source or reader. Result is root node of created
// tree-like structure. Single cleaner instance may be safely used
// multiple times.