private static void extract(InputStream in) throws Exception {
PDDocument document = null;
try {
PDFParser parser = new PDFParser(in);
parser.parse();
document = parser.getPDDocument();
if (document.isEncrypted()) {
System.err.println("Document is Encrypted!");
}
PDDocumentCatalog cat = document.getDocumentCatalog();
PDMetadata metadata = cat.getMetadata();
if (metadata != null) {
// System.out.println(metadata.getStream().getStreamTokens());
// Levantamos la MetaData
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(metadata.createInputStream());
// Buscamos el tag de SEmployee y el Element -> CUIT
NodeList nList = doc.getElementsByTagName("foaf:SEmployee");
Element elem = (Element) nList.item(0);
String cuit = elem.getElementsByTagName("foaf:cuit").item(0).getTextContent();
System.out.println(cuit);
System.out.println("---");
System.out.println(metadata.getInputStreamAsString());
}
} catch (Exception err) {
throw err;
} finally {
if (document != null)
try {
document.close();
} catch (Throwable err2) {
}
}
}
