/**
* Creates a table by parsing XML.
*
* @param doc document to parse
* @return parsed table
* @throws ChimpException if the table could not be parsed
*/
public SecureItemTable createTable(Document doc) throws ChimpException {
SecureItemTable table = new SecureItemTable();
NodeList nl = doc.getElementsByTagName("secure-item");
for (int i = 0; i < nl.getLength(); i++) {
Element el = (Element) nl.item(i);
SecureItemBuilder b = new SecureItemBuilder(el);
table.put(b.build());
}
table.setDirty(false);
return table;
}
public void write(SecureItemTable tbl, char[] password) throws IOException {
OutputStream os = new FileOutputStream(file);
OutputStream xmlout;
if (password.length == 0) {
xmlout = os;
os = null;
} else {
PBEKeySpec keyspec = new PBEKeySpec(password);
Cipher c;
try {
SecretKeyFactory fac = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
SecretKey key = fac.generateSecret(keyspec);
c = Cipher.getInstance("PBEWithMD5AndDES");
c.init(Cipher.ENCRYPT_MODE, key, pbeSpec);
} catch (java.security.GeneralSecurityException exc) {
os.close();
IOException ioe = new IOException("Security exception during write");
ioe.initCause(exc);
throw ioe;
}
CipherOutputStream out = new CipherOutputStream(os, c);
xmlout = out;
}
try {
TransformerFactory tf = TransformerFactory.newInstance();
Transformer t = tf.newTransformer();
DOMSource src = new DOMSource(tbl.getDocument());
StringWriter writer = new StringWriter();
StreamResult sr = new StreamResult(writer);
t.transform(src, sr);
OutputStreamWriter osw = new OutputStreamWriter(xmlout, StandardCharsets.UTF_8);
osw.write(writer.toString());
osw.close();
} catch (Exception exc) {
IOException ioe = new IOException("Unable to serialize XML");
ioe.initCause(exc);
throw ioe;
} finally {
xmlout.close();
if (os != null) os.close();
}
tbl.setDirty(false);
return;
}
