public void markMessageAsRemovedOrRecovered(String id) {
Message message = new Message();
message.setId(id);
message.setMessageCode(Message.REMOVED_MESSAGE_CODE);
data.add(message);
saveMessagesToJsonFile(MESSAGES_EXTERNAL_STORAGE);
}
public Message editMessage(String id, String updatedText) {
Message message = new Message();
message.setId(id);
message.setText(updatedText);
message.setMessageCode(Message.EDITED_MESSAGE_CODE);
data.add(message);
saveMessagesToJsonFile(MESSAGES_EXTERNAL_STORAGE);
return message;
}
public void sendMessage(Message message, IP remoteAddress, int remotePort) throws IOException {
message.setId(JGN.getUniqueLong());
if (message instanceof CertifiedMessage) {
getMessageCertifier().enqueue((CertifiedMessage) message, remoteAddress, remotePort);
}
if (message instanceof OrderedMessage) {
if (((OrderedMessage) message).getOrderId() == -1) {
((OrderedMessage) message)
.setOrderId(OrderedMessage.createUniqueId(((OrderedMessage) message).getOrderGroup()));
}
}
resendMessage(message, remoteAddress, remotePort);
}
public static Message parse(String text) throws IOException {
JsonNode json = mapper.readTree(text);
// TODO parse different kind of messages
Message message = new Message();
message.setChannel(ChannelType.RSS);
message.setContent(getField(json, "message"));
message.setFrom(getField(json, "from"));
message.setTo(getField(json, "to"));
message.setId(getField(json, "id"));
message.setEvent(EventType.NEW); // TODO support voice ...
return message;
}
public ArrayList<Message> getProjectMessages(int projectId)
throws java.rmi.RemoteException, SQLException {
ResultSet result =
connection
.createStatement()
.executeQuery(
"select messages.id, subject, question, response, users.username from messages inner join users on fromUserId = users.id where projectId = "
+ projectId);
ArrayList<Message> messages = new ArrayList<Message>();
while (result.next()) {
String subject = result.getString(2);
String question = result.getString(3);
String response = result.getString(4);
Message m = new Message(subject, question, response);
m.setFromUserUsername(result.getString(5));
m.setId(result.getInt(1));
messages.add(m);
}
System.out.println("Get Project Messages executed");
return messages;
}
public static void main(String[] args) {
try {
// connect to mongoDB, ip and port number
Mongo mongo = new Mongo("127.0.0.1", 27017);
// get database from MongoDB,
// if database doesn't exists, mongoDB will create it automatically
DB db = mongo.getDB("yourdb");
// Getting A List Of Collections
Set<String> collections = db.getCollectionNames();
for (String s : collections) {
System.out.println(s);
}
// Get collection from MongoDB, database named "yourDB"
// if collection doesn't exists, mongoDB will create it automatically
DBCollection collection = db.getCollection("yourCollection");
// create a document to store key and value
DBObject document = new BasicDBObject();
document.put("id", 1001);
document.put("msg", "hello world mongoDB in Java");
// save it into collection named "yourCollection"
collection.insert(document);
// search query
DBObject searchQuery = new BasicDBObject();
searchQuery.put("id", 1001);
// query it
DBCursor cursor = collection.find(searchQuery);
// loop over the cursor and display the retrieved result
while (cursor.hasNext()) {
System.out.println("Our collection after putting document here: " + cursor.next());
}
// Counting Documents in Collection
System.out.println("Elements in collection " + collection.getCount());
// update document (just replase exist - it is normal practise)
DBObject updatedDocument = new BasicDBObject();
updatedDocument.put("id", 1001);
updatedDocument.put("msg", "hello world mongoDB in Java updated");
collection.update(new BasicDBObject().append("id", 1001), updatedDocument);
// query it
DBCursor cursorAfterUpdate = collection.find(searchQuery);
// loop over the cursor and display the retrieved result
while (cursorAfterUpdate.hasNext()) {
System.out.println("Our collection after update: " + cursorAfterUpdate.next());
}
// Counting Documents in Collection
System.out.println("Elements in collection " + collection.getCount());
// Map to object
Message message = new Message();
message.setId((Integer) document.get("id"));
message.setMessage((String) document.get("msg"));
System.out.println("Id putted in object: " + message.getId());
System.out.println("Message putted in object: " + message.getMessage());
// Remove document from collection
DBObject doc = collection.findOne(); // get first document
collection.remove(doc);
// query it
DBCursor cursorAfterDelete = collection.find(searchQuery);
// loop over the cursor and display the retrieved result
while (cursorAfterDelete.hasNext()) {
System.out.println("Our collection after delete: " + cursorAfterDelete.next());
}
// Counting Documents in Collection
System.out.println("Elements in collection " + collection.getCount());
// Close connection to db
mongo.close();
System.out.println("Done");
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (MongoException e) {
e.printStackTrace();
}
}
