/**
* Retrieves default values from xml.
*
* @param list the configuration list
*/
private static void parseDefaults(NodeList list) {
for (int i = 0; i < list.getLength(); ++i) {
NamedNodeMap mapping = list.item(i).getAttributes();
String attribute = mapping.getNamedItem("attribute").getNodeValue();
String value = mapping.getNamedItem("value").getNodeValue();
try {
Default field = Default.fromString(attribute);
DEFAULTS.put(field, value);
} catch (IllegalArgumentException exc) {
logger.warn("Unrecognized default attribute: " + attribute);
}
}
}
/**
* Populates LOCALES list with contents of xml.
*
* @param list the configuration list
*/
private static void parseLocales(NodeList list) {
for (int i = 0; i < list.getLength(); ++i) {
Node node = list.item(i);
NamedNodeMap attributes = node.getAttributes();
String label = ((Attr) attributes.getNamedItem("label")).getValue();
String code = ((Attr) attributes.getNamedItem("isoCode")).getValue();
String dictLocation = ((Attr) attributes.getNamedItem("dictionaryUrl")).getValue();
try {
LOCALES.add(new Locale(label, code, new URL(dictLocation)));
} catch (MalformedURLException exc) {
logger.warn(
"Unable to parse dictionary location of " + label + " (" + dictLocation + ")", exc);
}
}
}
static {
try {
URL url = SpellCheckActivator.bundleContext.getBundle().getResource(RESOURCE_LOC);
InputStream stream = url.openStream();
if (stream == null) throw new IOException();
// strict parsing options
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setValidating(false);
factory.setIgnoringComments(true);
factory.setIgnoringElementContentWhitespace(true);
// parses configuration xml
/*-
* Warning: Felix is unable to import the com.sun.rowset.internal
* package, meaning this can't use the XmlErrorHandler. This causes
* a warning and a default handler to be attached. Otherwise this
* should have: builder.setErrorHandler(new XmlErrorHandler());
*/
DocumentBuilder builder = factory.newDocumentBuilder();
Document doc = builder.parse(stream);
// iterates over nodes, parsing contents
Node root = doc.getChildNodes().item(1);
NodeList categories = root.getChildNodes();
for (int i = 0; i < categories.getLength(); ++i) {
Node node = categories.item(i);
if (node.getNodeName().equals(NODE_DEFAULTS)) {
parseDefaults(node.getChildNodes());
} else if (node.getNodeName().equals(NODE_LOCALES)) {
parseLocales(node.getChildNodes());
} else {
logger.warn("Unrecognized category: " + node.getNodeName());
}
}
} catch (IOException exc) {
logger.error("Unable to load spell checker parameters", exc);
} catch (SAXException exc) {
logger.error("Unable to parse spell checker parameters", exc);
} catch (ParserConfigurationException exc) {
logger.error("Unable to parse spell checker parameters", exc);
}
}