public ClientThread(Socket socket, History history, Users users) throws IOException {
logger.warn("New client is trying to connect to the chat...");
logger.info("Assigning a socket to a new client...");
this.s = socket;
logger.info("Getting the input stream...");
in = new DataInputStream(s.getInputStream());
logger.info("Getting the output stream...");
out = new DataOutputStream(s.getOutputStream());
this.users = users;
users.addObserver(this);
this.history = history;
start();
logger.warn("Connection with new user is established.");
}
public void run() {
try {
prepareClient();
logger.info("Starting normal session with " + getClientName());
while (true) {
this.receive();
}
} catch (IOException ioe) {
logger.warn("Client " + this + " has been disconnected.");
this.setDisabled(true);
users.remove(this);
} finally {
try {
if (s != null && !s.isClosed()) {
s.close();
logger.warn("Socket with " + this + " has been closed.");
}
} catch (IOException ioe) {
logger.error("Socket has not been closed.", ioe);
}
}
}
/**
* 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);
}
}