diff --git a/source/org/jivesoftware/smack/ConnectionListener.java b/source/org/jivesoftware/smack/ConnectionListener.java new file mode 100644 index 000000000..a2a555feb --- /dev/null +++ b/source/org/jivesoftware/smack/ConnectionListener.java @@ -0,0 +1,77 @@ +/** + * $RCSfile$ + * $Revision$ + * $Date$ + * + * 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; + +/** + * Interface that allows for implementing classes to listen for connection closing + * events. Listeners are reigstered with XMPPConnection objects. + * + * @see XMPPConnection#addConnectionListener + * @see XMPPConnection#removeConnectionListener + * + * @author Matt Tucker + */ +public interface ConnectionListener { + + /** + * Notification that the connection was closed normally. + */ + public void connectionClosed(); + + /** + * Notification that the connection was closed due to an exception. + * + * @param e the exception. + */ + public void connectionClosedOnError(Exception e); +} \ No newline at end of file diff --git a/source/org/jivesoftware/smack/PacketReader.java b/source/org/jivesoftware/smack/PacketReader.java index 295bd20e8..fb301df69 100644 --- a/source/org/jivesoftware/smack/PacketReader.java +++ b/source/org/jivesoftware/smack/PacketReader.java @@ -90,6 +90,7 @@ class PacketReader { private boolean done = false; protected List collectors = new ArrayList(); private List listeners = new ArrayList(); + protected List connectionListeners = new ArrayList(); private String connectionID = null; private Object connectionIDLock = new Object(); @@ -271,17 +272,29 @@ class PacketReader { else if (eventType == XmlPullParser.END_TAG) { if (parser.getName().equals("stream")) { connection.close(); + done = true; } } eventType = parser.next(); } while (eventType != XmlPullParser.END_DOCUMENT && !done); + synchronized (connectionListeners) { + for (Iterator i=connectionListeners.iterator(); i.hasNext(); ) { + ConnectionListener listener = (ConnectionListener)i.next(); + listener.connectionClosed(); + } + } } catch (Exception e) { if (!done) { - // An exception occurred while parsing. Print the error an close the - // connection. - e.printStackTrace(); + // An exception occurred while parsing. Notify connection listeners of + // the error and close the connection. connection.close(); + synchronized (connectionListeners) { + for (Iterator i=connectionListeners.iterator(); i.hasNext(); ) { + ConnectionListener listener = (ConnectionListener)i.next(); + listener.connectionClosedOnError(e); + } + } } } } diff --git a/source/org/jivesoftware/smack/XMPPConnection.java b/source/org/jivesoftware/smack/XMPPConnection.java index fc2d20eb1..80b41edf8 100644 --- a/source/org/jivesoftware/smack/XMPPConnection.java +++ b/source/org/jivesoftware/smack/XMPPConnection.java @@ -485,6 +485,34 @@ public class XMPPConnection { 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.