static boolean getConnection(String username, String password, String host, int port) {
try {
JSch jsch = new JSch();
session = jsch.getSession(username, host, port);
UserInfo ui = new MyUserInfo();
session.setUserInfo(ui);
MyUserInfo temp = (MyUserInfo) ui;
temp.setPassword(password);
session.connect();
Channel channel = session.openChannel("sftp");
channel.connect();
SFTPFileLoader.sftpChannel = (ChannelSftp) channel;
return true;
} catch (Exception e) {
System.out.println(e);
errorMessage += e.toString();
}
return false;
}
private void updateUserList() {
List<String> usernames = new ArrayList<>();
for (Session s : session.getOpenSessions()) {
String uname = (String) s.getUserProperties().get(USERNAME_KEY);
usernames.add(uname);
}
this.endpointConfig.getUserProperties().put(USERNAMES_KEY, usernames);
}
private void broadcastUserListUpdate() {
UserListUpdateMessage ulum = new UserListUpdateMessage(this.getUserList());
for (Session nextSession : session.getOpenSessions()) {
try {
nextSession.getBasicRemote().sendObject(ulum);
} catch (IOException | EncodeException ex) {
System.out.println("Error updating a client : " + ex.getMessage());
}
}
}
void processNewUser(NewUserMessage message) {
String newUsername = this.validateUsername(message.getUsername());
NewUserMessage uMessage = new NewUserMessage(newUsername);
try {
session.getBasicRemote().sendObject(uMessage);
} catch (IOException | EncodeException ioe) {
System.out.println(
"Error signing " + message.getUsername() + " into chat : " + ioe.getMessage());
}
this.registerUser(newUsername);
try {
ResultSet rs = null, ds = null;
String z, x;
String url1 = "jdbc:mysql://localhost:3306/chat";
Connection conn1 = DriverManager.getConnection(url1, "root", "root");
Statement st1 = conn1.createStatement();
Statement st2 = conn1.createStatement();
String myQuery = "SELECT Message,Recepient FROM Log WHERE User = '******'";
System.out.println(myQuery);
rs =
st1.executeQuery("SELECT Message,Recepient FROM Log WHERE User = '******';");
while (rs.next()) {
z = rs.getString("Message");
x = rs.getString("Recepient");
ChatUpdateMessage cdm1 = new ChatUpdateMessage(newUsername, z, x);
try {
session.getBasicRemote().sendObject(cdm1);
} catch (IOException | EncodeException ex) {
System.out.println("Error updating a client : " + ex.getMessage());
}
}
ds =
st2.executeQuery("SELECT Message,User FROM Log WHERE Recepient = '" + newUsername + "';");
while (ds.next()) {
z = ds.getString("Message");
x = ds.getString("User");
ChatUpdateMessage cdm2 = new ChatUpdateMessage(x, z, newUsername);
try {
session.getBasicRemote().sendObject(cdm2);
} catch (IOException | EncodeException ex) {
System.out.println("Error updating a client : " + ex.getMessage());
}
}
} catch (Exception e) {
System.err.println("Got an exception! ");
System.err.println(e.getMessage());
}
this.broadcastUserListUpdate();
}
/** Sends Emails to Customers who have not submitted their Bears */
public static void BearEmailSendMessage(String msgsubject, String msgText, String msgTo) {
try {
BearFrom = props.getProperty("BEARFROM");
// To = props.getProperty("TO");
SMTPHost = props.getProperty("SMTPHOST");
Properties mailprops = new Properties();
mailprops.put("mail.smtp.host", SMTPHost);
// create some properties and get the default Session
Session session = Session.getDefaultInstance(mailprops, null);
// create a message
Message msg = new MimeMessage(session);
// set the from
InternetAddress from = new InternetAddress(BearFrom);
msg.setFrom(from);
InternetAddress[] address = InternetAddress.parse(msgTo);
msg.setRecipients(Message.RecipientType.TO, address);
msg.setSubject(msgsubject);
msg.setContent(msgText, "text/plain");
Transport.send(msg);
} // end try
catch (MessagingException mex) {
USFEnv.getLog().writeCrit("Message not sent", null, null);
} catch (Exception ex) {
USFEnv.getLog().writeCrit("Message not sent", null, null);
}
} // end BearEmailSendMessage
static void disconnectFromSFTP() {
try {
session.disconnect();
} catch (Exception e) {
errorMessage +=
"Exception in loadFilesFromSFTP(exception during disconnecting): " + e.toString() + "\n";
}
}
private void broadcastTranscriptUpdate() {
String v = this.transcript.getRec();
String g;
if (c.equals(v)) {
for (Session nextSession : session.getOpenSessions()) {
ChatUpdateMessage cdm =
new ChatUpdateMessage(
this.transcript.getLastUsername(),
this.transcript.getLastMessage(),
this.transcript.getRec());
try {
nextSession.getBasicRemote().sendObject(cdm);
} catch (IOException | EncodeException ex) {
System.out.println("Error updating a client : " + ex.getMessage());
}
}
} else {
for (Session nextSession : session.getOpenSessions()) {
String check = this.transcript.getRec();
ChatUpdateMessage cdm =
new ChatUpdateMessage(
this.transcript.getLastUsername(),
this.transcript.getLastMessage(),
this.transcript.getRec());
g = (String) nextSession.getUserProperties().get(USERNAME_KEY);
if (v.equals(g)) {
try {
nextSession.getBasicRemote().sendObject(cdm);
} catch (IOException | EncodeException ex) {
System.out.println("Error updating a client : " + ex.getMessage());
}
}
}
}
}
private List getNextSequenceImpl(TypeDescriptor typeDescriptor, Session session) {
Field[] pkFields = typeDescriptor.getPkFields();
Assert.condition(
1 == pkFields.length,
"Automatic PK values are only supported for types with a single PK field.");
String createPKStmt =
dbDescriptor.getCreatePKStatement(
sqlUtils.getSchemaName(), typeDescriptor.getPkSequence(), this.sequenceBatchSize);
Field field = pkFields[0];
if (session.isUsingPreparedStatements(typeDescriptor.getType())) {
PreparedStatement pkStatement = null;
try {
Connection connection = session.getConnection();
PreparedStatement result;
try {
result = connection.prepareStatement(createPKStmt);
} catch (SQLException x) {
throw new InternalException(x);
}
pkStatement = result;
ResultSet pkQuery = pkStatement.executeQuery();
List newIds = new LinkedList();
while (pkQuery.next()) {
newIds.add(
DmlManager.getJavaValue(
field.getType(),
typeDescriptor.getPersistentField(field).getLength(),
pkQuery,
1,
true,
false));
}
return newIds;
} catch (SQLException e) {
throw new InternalException(e);
} finally {
QueryUtils.closeStatement(pkStatement);
}
} else {
Statement pkStmt = null;
try {
Connection connection = session.getConnection();
pkStmt = connection.createStatement();
ResultSet pkQuery = pkStmt.executeQuery(createPKStmt);
List newIds = new LinkedList();
while (pkQuery.next()) {
newIds.add(
DmlManager.getJavaValue(
field.getType(),
typeDescriptor.getPersistentField(field).getLength(),
pkQuery,
1,
true,
false));
}
return newIds;
} catch (SQLException e) {
throw new InternalException(e);
} finally {
QueryUtils.closeStatement(pkStmt);
}
}
}
private void registerUser(String username) {
System.out.println("Inside registration");
session.getUserProperties().put(USERNAME_KEY, username);
this.updateUserList();
}
private String getCurrentUsername() {
return (String) session.getUserProperties().get(USERNAME_KEY);
}