/** * $RCSfile$ * $Revision$ * $Date$ * * Copyright (C) 2002-2003 Jive Software. All rights reserved. * ==================================================================== * The Jive Software License (based on Apache Software License, Version 1.1) * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by * Jive Software (http://www.jivesoftware.com)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Smack" and "Jive Software" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please * contact webmaster@jivesoftware.com. * * 5. Products derived from this software may not be called "Smack", * nor may "Smack" appear in their name, without prior written * permission of Jive Software. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== */ package org.jivesoftware.smack; import org.jivesoftware.smack.packet.*; import org.jivesoftware.smack.filter.*; import org.jivesoftware.smack.util.StringUtils; import javax.swing.*; import java.net.*; import java.io.*; import java.awt.*; import java.awt.datatransfer.Clipboard; import java.awt.datatransfer.StringSelection; import java.awt.event.*; /** * Creates a connection to a XMPP server. A simple use of this API might * look like the following: * 
 * // Create a connection to the jivesoftware.com XMPP server.
 * XMPPConnection con = new XMPPConnection("jivesoftware.com");
 * // Most servers require you to login before performing other tasks.
 * con.login("jsmith", "mypass");
 * // Start a new conversation with John Doe and send him a message.
 * Chat chat = con.createChat("jdoe@jabber.org");
 * chat.sendMessage("Hey, how's it going?");
 *
* * @author Matt Tucker */ public class XMPPConnection { private static final String NEWLINE = "\n"; /** * Value that indicates whether debugging is enabled. When enabled, a debug * window will apear for each new connection that will contain the following * information: * * Debugging can be enabled by setting this field to true, or by setting the Java system * property smack.debugEnabled to true. The system property can be set on the * command line such as "java SomeApp -Dsmack.debugEnabled=true". */ public static boolean DEBUG_ENABLED = false; static { // Use try block since we may not have permission to get a system // property (for example, when an applet). try { DEBUG_ENABLED = Boolean.getBoolean("smack.debugEnabled"); } catch (Exception e) { } } private JFrame debugFrame = null; protected String host; protected int port; protected Socket socket; String connectionID; private String user = null; private boolean connected = false; private boolean authenticated = false; private boolean anonymous = false; private PacketWriter packetWriter; private PacketReader packetReader; Roster roster = null; private AccountManager accountManager = null; Writer writer; Reader reader; /** * Constructor for use by classes extending this one. */ protected XMPPConnection() { } /** * Creates a new connection to the specified XMPP server. The default port of 5222 will * be used. * * @param host the name of the XMPP server to connect to; e.g. jivesoftware.com. * @throws XMPPException if an error occurs while trying to establish a connection. */ public XMPPConnection(String host) throws XMPPException { this(host, 5222); } /** * Creates a new connection to the to the specified XMPP server on the given port. * * @param host the name of the XMPP server to connect to; e.g. jivesoftware.com. * @param port the port on the server that should be used; e.g. 5222. * @throws XMPPException if an error occurs while trying to establish a connection. */ public XMPPConnection(String host, int port) throws XMPPException { this.host = host; this.port = port; try { this.socket = new Socket(host, port); } catch (UnknownHostException uhe) { throw new XMPPException("Could not connect to " + host + ":" + port + ".", uhe); } catch (IOException ioe) { throw new XMPPException("XMPPError connecting to " + host + ":" + port + ".", ioe); } init(); } /** * Returns the connection ID for this connection, which is the value set by the server * when opening a XMPP stream. If the server does not set a connection ID, this value * will be null. * * @return the ID of this connection returned from the XMPP server. */ public String getConnectionID() { return connectionID; } /** * Returns the host name of the XMPP server for this connection. * * @return the host name of the XMPP server. */ public String getHost() { return host; } /** * Returns the port number of the XMPP server for this connection. The default port * for normal connections is 5222. The default port for SSL connections is 5223. * * @return the port number of the XMPP server. */ public int getPort() { return port; } /** * Returns the full XMPP address of the user that is logged in to the connection or * null if not logged in yet. An XMPP address is in the form * username@server/resource. * * @return the full XMPP address of the user logged in. */ public String getUser() { if (!isAuthenticated()) { return null; } return user; } /** * Logs in to the server using the strongest authentication mode supported by * the server, then set our presence to available. If more than five seconds * elapses in each step of the authentication process without a response from * the server, or if an error occurs, a XMPPException will be thrown. * * @param username the username. * @param password the password. * @throws XMPPException if an error occurs. */ public void login(String username, String password) throws XMPPException { login(username, password, "Smack"); } /** * Logs in to the server using the strongest authentication mode supported by * the server, then set our presence to available. If more than five seconds * elapses in each step of the authentication process without a response from * the server, or if an error occurs, a XMPPException will be thrown. * * @param username the username. * @param password the password. * @param resource the resource. * @throws XMPPException if an error occurs. * @throws IllegalStateException if not connected to the server, or already logged in * to the serrver. */ public synchronized void login(String username, String password, String resource) throws XMPPException { if (!isConnected()) { throw new IllegalStateException("Not connected to server."); } if (authenticated) { throw new IllegalStateException("Already logged in to server."); } // If we send an authentication packet in "get" mode with just the username, // the server will return the list of authentication protocols it supports. Authentication discoveryAuth = new Authentication(); discoveryAuth.setType(IQ.Type.GET); discoveryAuth.setUsername(username); PacketCollector collector = packetReader.createPacketCollector( new PacketIDFilter(discoveryAuth.getPacketID())); // Send the packet packetWriter.sendPacket(discoveryAuth); // Wait up to five seconds for a response from the server. IQ response = (IQ)collector.nextResult(5000); if (response == null) { throw new XMPPException("No response from the server."); } // If the server replied with an error, throw an exception. else if (response.getType() == IQ.Type.ERROR) { throw new XMPPException(response.getError()); } // Otherwise, no error so continue processing. Authentication authTypes = (Authentication)response; collector.cancel(); // Now, create the authentication packet we'll send to the server. Authentication auth = new Authentication(); auth.setUsername(username); // Figure out if we should use digest or plain text authentication. if (authTypes.getDigest() != null) { auth.setDigest(connectionID, password); } else if (authTypes.getPassword() != null) { auth.setPassword(password); } else { throw new XMPPException("Server does not support compatible authentication mechanism."); } auth.setResource(resource); collector = packetReader.createPacketCollector( new PacketIDFilter(auth.getPacketID())); // Send the packet. packetWriter.sendPacket(auth); // Wait up to five seconds for a response from the server. response = (IQ)collector.nextResult(5000); if (response == null) { throw new XMPPException("Authentication failed."); } else if (response.getType() == IQ.Type.ERROR) { throw new XMPPException(response.getError()); } // Set the user. if (response.getTo() != null) { this.user = response.getTo(); } else { Authentication authResponse = (Authentication)response; this.user = authResponse.getUsername() + "@" + this.host; if (authResponse.getResource() != null) { this.user += "/" + authResponse.getResource(); } } // We're done with the collector, so explicitly cancel it. collector.cancel(); // Create the roster. this.roster = new Roster(this); roster.reload(); // Set presence to online. packetWriter.sendPacket(new Presence(Presence.Type.AVAILABLE)); // Indicate that we're now authenticated. authenticated = true; anonymous = false; // If debugging is enabled, change the the debug window title to include the // name we are now logged-in as. if (DEBUG_ENABLED) { String title = "Smack Debug Window -- " + username + "@" + getHost() + ":" + getPort(); if (resource != null) { title += "/" + resource; } debugFrame.setTitle(title); } } /** * Logs in to the server anonymously. Very few servers are configured to support anonymous * authentication, so it's fairly likely logging in anonymously will fail. If anonymous login * does succeed, your XMPP address will likely be in the form "server/123ABC" (where "123ABC" is a * random value generated by the server). * * @throws XMPPException if an error occurs or anonymous logins are not supported by the server. * @throws IllegalStateException if not connected to the server, or already logged in * to the serrver. */ public synchronized void loginAnonymously() throws XMPPException { if (!isConnected()) { throw new IllegalStateException("Not connected to server."); } if (authenticated) { throw new IllegalStateException("Already logged in to server."); } // Create the authentication packet we'll send to the server. Authentication auth = new Authentication(); PacketCollector collector = packetReader.createPacketCollector( new PacketIDFilter(auth.getPacketID())); // Send the packet. packetWriter.sendPacket(auth); // Wait up to five seconds for a response from the server. IQ response = (IQ)collector.nextResult(5000); if (response == null) { throw new XMPPException("Anonymous login failed."); } else if (response.getType() == IQ.Type.ERROR) { throw new XMPPException(response.getError()); } // Set the user value. if (response.getTo() != null) { this.user = response.getTo(); } else { this.user = this.host + "/" + ((Authentication)response).getResource(); } // We're done with the collector, so explicitly cancel it. collector.cancel(); // Anonymous users can't have a roster. roster = null; // Set presence to online. packetWriter.sendPacket(new Presence(Presence.Type.AVAILABLE)); // Indicate that we're now authenticated. authenticated = true; anonymous = true; // If debugging is enabled, change the the debug window title to include the // name we are now logged-in as. if (DEBUG_ENABLED) { String title = "Smack Debug Window -- " + getHost() + ":" + getPort(); title += "/" + StringUtils.parseResource(user); debugFrame.setTitle(title); } } /** * Returns the roster for the user logged into the server. If the user has not yet * logged into the server (or if the user is logged in anonymously), this method will return * null. * * @return the user's roster, or null if the user has not logged in yet. */ public Roster getRoster() { if (roster == null) { return null; } // If this is the first time the user has asked for the roster after calling // login, we want to wait up to 2 seconds for the server to send back the // user's roster. This behavior shields API users from having to worry about the // fact that roster operations are asynchronous, although they'll still have to // listen for changes to the roster. Note: because of this waiting logic, internal // Smack code should be wary about calling the getRoster method, and may need to // access the roster object directly. int elapsed = 0; while (!roster.rosterInitialized && elapsed <= 2000) { try { Thread.sleep(500); } catch (Exception e) { } elapsed += 500; } return roster; } /** * Returns an account manager instance for this connection. * * @return an account manager for this connection. */ public synchronized AccountManager getAccountManager() { if (accountManager == null) { accountManager = new AccountManager(this); } return accountManager; } /** * Creates a new chat with the specified participant. The participant should * be a valid XMPP user such as jdoe@jivesoftware.com or * jdoe@jivesoftware.com/work. * * @param participant the person to start the conversation with. * @return a new Chat object. */ public Chat createChat(String participant) { if (!isConnected()) { throw new IllegalStateException("Not connected to server."); } return new Chat(this, participant); } /** * Creates a new group chat connected to the specified room. The room name * should be a valid conference id, such as chatroom@jivesoftware.com. * * @param room the name of the room. * @return a new GroupChat object. */ public GroupChat createGroupChat(String room) { if (!isConnected()) { throw new IllegalStateException("Not connected to server."); } return new GroupChat(this, room); } /** * Returns true if currently connected to the XMPP server. * * @return true if connected. */ public boolean isConnected() { return connected; } /** * Returns true if currently authenticated by successfully calling the login method. * * @return true if authenticated. */ public boolean isAuthenticated() { return authenticated; } /** * Returns true if currently authenticated anonymously. * * @return true if authenticated anonymously. */ public boolean isAnonymous() { return anonymous; } /** * Closes the connection by setting presence to unavailable then closing the stream to * the XMPP server. Once a connection has been closed, it cannot be re-opened. */ public void close() { // Set presence to offline. packetWriter.sendPacket(new Presence(Presence.Type.UNAVAILABLE)); packetReader.shutdown(); packetWriter.shutdown(); // Wait 150 ms for processes to clean-up, then shutdown. try { Thread.sleep(150); } catch (Exception e) { } try { socket.close(); } catch (Exception e) { } authenticated = false; connected = false; } /** * Sends the specified packet to the server. * * @param packet the packet to send. */ public void sendPacket(Packet packet) { if (!isConnected()) { throw new IllegalStateException("Not connected to server."); } packetWriter.sendPacket(packet); } /** * Registers a packet listener with this connection. A packet filter determines * which packets will be delivered to the listener. * * @param packetListener the packet listener to notify of new packets. * @param packetFilter the packet filter to use. */ public void addPacketListener(PacketListener packetListener, PacketFilter packetFilter) { if (!isConnected()) { throw new IllegalStateException("Not connected to server."); } packetReader.addPacketListener(packetListener, packetFilter); } /** * Removes a packet listener from this connection. * * @param packetListener the packet listener to remove. */ public void removePacketListener(PacketListener packetListener) { packetReader.removePacketListener(packetListener); } /** * Creates a new packet collector for this connection. A packet filter determines * which packets will be accumulated by the collector. * * @param packetFilter the packet filter to use. * @return a new packet collector. */ public PacketCollector createPacketCollector(PacketFilter packetFilter) { return packetReader.createPacketCollector(packetFilter); } /** * Adds a connection listener to this connection that will be notified when * the connection closes or fails. * * @param connectionListener a connection listener. */ public void addConnectionListener(ConnectionListener connectionListener) { if (connectionListener == null) { return; } synchronized (packetReader.connectionListeners) { if (!packetReader.connectionListeners.contains(connectionListener)) { packetReader.connectionListeners.add(connectionListener); } } } /** * Removes a connection listener from this connection. * * @param connectionListener a connection listener. */ public void removeConnectionListener(ConnectionListener connectionListener) { synchronized (packetReader.connectionListeners) { packetReader.connectionListeners.remove(connectionListener); } } /** * Initializes the connection by creating a packet reader and writer and opening a * XMPP stream to the server. * * @throws XMPPException if establishing a connection to the server fails. */ void init() throws XMPPException { try { reader = new BufferedReader(new InputStreamReader(socket.getInputStream(), "UTF-8")); writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "UTF-8")); } catch (IOException ioe) { throw new XMPPException("XMPPError establishing connection with server.", ioe); } // If debugging is enabled, we open a window and write out all network traffic. // The method that creates the debug GUI returns PacketListener that we must add // after the packet reader and writer are created. PacketListener debugListener = null; if (DEBUG_ENABLED) { debugListener = createDebug(); } packetWriter = new PacketWriter(this); packetReader = new PacketReader(this); // If debugging is enabled, we should start the thread that will listen for // all packets and then log them. if (DEBUG_ENABLED) { packetReader.addPacketListener(debugListener, null); } // Start the packet writer. This will open a XMPP stream to the server packetWriter.startup(); // Start the packet reader. The startup() method will block until we // get an opening stream packet back from server. packetReader.startup(); // Make note of the fact that we're now connected. connected = true; } /** * Creates the debug process, which is a GUI window that displays XML traffic. * This method must be called before the packet reader and writer are created because * it wraps the reader and writer objects with special logging implementations. * The method returns a PacketListner that must be added after the packet reader is * created. * * @return a PacketListener used by the debugging process that must be added after the packet * reader is created. */ private PacketListener createDebug() { // Use the native look and feel. try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (Exception e) { e.printStackTrace(); } debugFrame = new JFrame("Smack Debug Window -- " + getHost() + ":" + getPort()); // We'll arrange the UI into four tabs. The first tab contains all data, the second // client generated XML, the third server generated XML, and the fourth is packet // data from the server as seen by Smack. JTabbedPane tabbedPane = new JTabbedPane(); JPanel allPane = new JPanel(); allPane.setLayout(new GridLayout(3, 1)); tabbedPane.add("All", allPane); // Create UI elements for client generated XML traffic. final JTextArea sentText1 = new JTextArea(); final JTextArea sentText2 = new JTextArea(); sentText1.setEditable(false); sentText2.setEditable(false); sentText1.setForeground(new Color(112, 3, 3)); sentText2.setForeground(new Color(112, 3, 3)); allPane.add(new JScrollPane(sentText1)); tabbedPane.add("Sent", new JScrollPane(sentText2)); // Add pop-up menu. JPopupMenu menu = new JPopupMenu(); JMenuItem menuItem1 = new JMenuItem("Copy"); menuItem1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { // Get the clipboard Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard(); // Set the sent text as the new content of the clipboard clipboard.setContents(new StringSelection(sentText1.getText()), null); } }); JMenuItem menuItem2 = new JMenuItem("Clear"); menuItem2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { sentText1.setText(""); sentText2.setText(""); } }); // Add listener to the text area so the popup menu can come up. MouseListener popupListener = new PopupListener(menu); sentText1.addMouseListener(popupListener); sentText2.addMouseListener(popupListener); menu.add(menuItem1); menu.add(menuItem2); // Create UI elements for server generated XML traffic. final JTextArea receivedText1 = new JTextArea(); final JTextArea receivedText2 = new JTextArea(); receivedText1.setEditable(false); receivedText2.setEditable(false); receivedText1.setForeground(new Color(6, 76, 133)); receivedText2.setForeground(new Color(6, 76, 133)); allPane.add(new JScrollPane(receivedText1)); tabbedPane.add("Received", new JScrollPane(receivedText2)); // Add pop-up menu. menu = new JPopupMenu(); menuItem1 = new JMenuItem("Copy"); menuItem1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { // Get the clipboard Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard(); // Set the sent text as the new content of the clipboard clipboard.setContents(new StringSelection(receivedText1.getText()), null); } }); menuItem2 = new JMenuItem("Clear"); menuItem2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { receivedText1.setText(""); receivedText2.setText(""); } }); // Add listener to the text area so the popup menu can come up. popupListener = new PopupListener(menu); receivedText1.addMouseListener(popupListener); receivedText2.addMouseListener(popupListener); menu.add(menuItem1); menu.add(menuItem2); // Create UI elements for interpreted XML traffic. final JTextArea interpretedText1 = new JTextArea(); final JTextArea interpretedText2 = new JTextArea(); interpretedText1.setEditable(false); interpretedText2.setEditable(false); interpretedText1.setForeground(new Color(1, 94, 35)); interpretedText2.setForeground(new Color(1, 94, 35)); allPane.add(new JScrollPane(interpretedText1)); tabbedPane.add("Interpreted", new JScrollPane(interpretedText2)); // Add pop-up menu. menu = new JPopupMenu(); menuItem1 = new JMenuItem("Copy"); menuItem1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { // Get the clipboard Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard(); // Set the sent text as the new content of the clipboard clipboard.setContents(new StringSelection(interpretedText1.getText()), null); } }); menuItem2 = new JMenuItem("Clear"); menuItem2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { interpretedText1.setText(""); interpretedText2.setText(""); } }); // Add listener to the text area so the popup menu can come up. popupListener = new PopupListener(menu); interpretedText1.addMouseListener(popupListener); interpretedText2.addMouseListener(popupListener); menu.add(menuItem1); menu.add(menuItem2); debugFrame.getContentPane().add(tabbedPane); debugFrame.setSize(550, 400); debugFrame.setVisible(true); // Create a special Reader that wraps the main Reader and logs data to the GUI. Reader debugReader = new Reader() { Reader myReader = reader; public int read(char cbuf[], int off, int len) throws IOException { int count = myReader.read(cbuf, off, len); if (count > 0) { String str = new String(cbuf, off, count); int index = str.lastIndexOf(">"); if (index != -1) { receivedText1.append(str.substring(0, index+1)); receivedText2.append(str.substring(0, index+1)); receivedText1.append(NEWLINE); receivedText2.append(NEWLINE); if (str.length() > index) { receivedText1.append(str.substring(index+1)); receivedText2.append(str.substring(index+1)); } } else { receivedText1.append(str); receivedText2.append(str); } } return count; } public void close() throws IOException { myReader.close(); } public int read() throws IOException { return myReader.read(); } public int read(char cbuf[]) throws IOException { return myReader.read(cbuf); } public long skip(long n) throws IOException { return myReader.skip(n); } public boolean ready() throws IOException { return myReader.ready(); } public boolean markSupported() { return myReader.markSupported(); } public void mark(int readAheadLimit) throws IOException { myReader.mark(readAheadLimit); } public void reset() throws IOException { myReader.reset(); } }; // Create a special Writer that wraps the main Writer and logs data to the GUI. Writer debugWriter = new Writer() { Writer myWriter = writer; public void write(char cbuf[], int off, int len) throws IOException { myWriter.write(cbuf, off, len); String str = new String(cbuf, off, len); sentText1.append(str); sentText2.append(str); if (str.endsWith(">")) { sentText1.append(NEWLINE); sentText2.append(NEWLINE); } } public void flush() throws IOException { myWriter.flush(); } public void close() throws IOException { myWriter.close(); } public void write(int c) throws IOException { myWriter.write(c); } public void write(char cbuf[]) throws IOException { myWriter.write(cbuf); String str = new String(cbuf); sentText1.append(str); sentText2.append(str); if (str.endsWith(">")) { sentText1.append(NEWLINE); sentText2.append(NEWLINE); } } public void write(String str) throws IOException { myWriter.write(str); sentText1.append(str); sentText2.append(str); if (str.endsWith(">")) { sentText1.append(NEWLINE); sentText2.append(NEWLINE); } } public void write(String str, int off, int len) throws IOException { myWriter.write(str, off, len); str = str.substring(off, off + len); sentText1.append(str); sentText2.append(str); if (str.endsWith(">")) { sentText1.append(NEWLINE); sentText2.append(NEWLINE); } } }; // Assign the reader/writer objects to use the debug versions. The packet reader // and writer will use the debug versions when they are created. reader = debugReader; writer = debugWriter; // Create a thread that will listen for all incoming packets and write them to // the GUI. This is what we call "interpreted" packet data, since it's the packet // data as Smack sees it and not as it's coming in as raw XML. PacketListener debugListener = new PacketListener() { public void processPacket(Packet packet) { interpretedText1.append(packet.toXML()); interpretedText2.append(packet.toXML()); interpretedText1.append(NEWLINE); interpretedText2.append(NEWLINE); } }; return debugListener; } /** * Listens for debug window popup dialog events. */ private class PopupListener extends MouseAdapter { JPopupMenu popup; PopupListener(JPopupMenu popupMenu) { popup = popupMenu; } public void mousePressed(MouseEvent e) { maybeShowPopup(e); } public void mouseReleased(MouseEvent e) { maybeShowPopup(e); } private void maybeShowPopup(MouseEvent e) { if (e.isPopupTrigger()) { popup.show(e.getComponent(), e.getX(), e.getY()); } } } }