mirror of
https://github.com/vanitasvitae/Smack.git
synced 2024-12-24 03:27:59 +01:00
Refactor Message Event (XEP-22) code to current design
This commit is contained in:
Florian Schmaus
parent
2a091debc1
commit
8cc2a76e7f
2 changed files with 69 additions and 90 deletions
|
|
@ -18,11 +18,15 @@
|
|||
package org.jivesoftware.smackx.xevent;
|
||||
|
||||
import java.lang.reflect.Method;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.WeakHashMap;
|
||||
import java.util.concurrent.CopyOnWriteArrayList;
|
||||
import java.util.logging.Level;
|
||||
import java.util.logging.Logger;
|
||||
|
||||
import org.jivesoftware.smack.Manager;
|
||||
import org.jivesoftware.smack.PacketListener;
|
||||
import org.jivesoftware.smack.SmackException.NotConnectedException;
|
||||
import org.jivesoftware.smack.XMPPConnection;
|
||||
|
|
@ -33,31 +37,66 @@ import org.jivesoftware.smack.packet.Packet;
|
|||
import org.jivesoftware.smackx.xevent.packet.MessageEvent;
|
||||
|
||||
/**
|
||||
*
|
||||
* Manages message events requests and notifications. A MessageEventManager provides a high
|
||||
* level access to request for notifications and send event notifications. It also provides
|
||||
* an easy way to hook up custom logic when requests or notifications are received.
|
||||
*
|
||||
* @author Gaston Dombiak
|
||||
* @see <a href="http://xmpp.org/extensions/xep-0022.html">XEP-22: Message Events</a>
|
||||
*/
|
||||
public class MessageEventManager {
|
||||
public class MessageEventManager extends Manager {
|
||||
private static final Logger LOGGER = Logger.getLogger(MessageEventManager.class.getName());
|
||||
|
||||
private List<MessageEventNotificationListener> messageEventNotificationListeners = new ArrayList<MessageEventNotificationListener>();
|
||||
private List<MessageEventRequestListener> messageEventRequestListeners = new ArrayList<MessageEventRequestListener>();
|
||||
private static final Map<XMPPConnection, MessageEventManager> INSTANCES = Collections
|
||||
.synchronizedMap(new WeakHashMap<XMPPConnection, MessageEventManager>());
|
||||
|
||||
private XMPPConnection con;
|
||||
private static final PacketFilter PACKET_FILTER = new PacketExtensionFilter(
|
||||
MessageEvent.ELEMENT, MessageEvent.NAMESPACE);
|
||||
|
||||
private PacketFilter packetFilter = new PacketExtensionFilter("x", "jabber:x:event");
|
||||
private PacketListener packetListener;
|
||||
private List<MessageEventNotificationListener> messageEventNotificationListeners = new CopyOnWriteArrayList<MessageEventNotificationListener>();
|
||||
private List<MessageEventRequestListener> messageEventRequestListeners = new CopyOnWriteArrayList<MessageEventRequestListener>();
|
||||
|
||||
public synchronized static MessageEventManager getInstanceFor(XMPPConnection connection) {
|
||||
MessageEventManager messageEventManager = INSTANCES.get(connection);
|
||||
if (messageEventManager == null) {
|
||||
messageEventManager = new MessageEventManager(connection);
|
||||
}
|
||||
return messageEventManager;
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a new message event manager.
|
||||
*
|
||||
* @param con a XMPPConnection to a XMPP server.
|
||||
*/
|
||||
public MessageEventManager(XMPPConnection con) {
|
||||
this.con = con;
|
||||
init();
|
||||
private MessageEventManager(XMPPConnection connection) {
|
||||
super(connection);
|
||||
// Listens for all message event packets and fire the proper message event listeners.
|
||||
connection.addPacketListener(new PacketListener() {
|
||||
public void processPacket(Packet packet) {
|
||||
Message message = (Message) packet;
|
||||
MessageEvent messageEvent =
|
||||
(MessageEvent) message.getExtension("x", "jabber:x:event");
|
||||
if (messageEvent.isMessageEventRequest()) {
|
||||
// Fire event for requests of message events
|
||||
for (String eventType : messageEvent.getEventTypes())
|
||||
fireMessageEventRequestListeners(
|
||||
message.getFrom(),
|
||||
message.getPacketID(),
|
||||
eventType.concat("NotificationRequested"));
|
||||
} else
|
||||
// Fire event for notifications of message events
|
||||
for (String eventType : messageEvent.getEventTypes())
|
||||
fireMessageEventNotificationListeners(
|
||||
message.getFrom(),
|
||||
messageEvent.getPacketID(),
|
||||
eventType.concat("Notification"));
|
||||
|
||||
};
|
||||
|
||||
}, PACKET_FILTER);
|
||||
INSTANCES.put(connection, this);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -90,11 +129,8 @@ public class MessageEventManager {
|
|||
* @param messageEventRequestListener a message event request listener.
|
||||
*/
|
||||
public void addMessageEventRequestListener(MessageEventRequestListener messageEventRequestListener) {
|
||||
synchronized (messageEventRequestListeners) {
|
||||
if (!messageEventRequestListeners.contains(messageEventRequestListener)) {
|
||||
messageEventRequestListeners.add(messageEventRequestListener);
|
||||
}
|
||||
}
|
||||
messageEventRequestListeners.add(messageEventRequestListener);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -104,9 +140,7 @@ public class MessageEventManager {
|
|||
* @param messageEventRequestListener a message event request listener.
|
||||
*/
|
||||
public void removeMessageEventRequestListener(MessageEventRequestListener messageEventRequestListener) {
|
||||
synchronized (messageEventRequestListeners) {
|
||||
messageEventRequestListeners.remove(messageEventRequestListener);
|
||||
}
|
||||
messageEventRequestListeners.remove(messageEventRequestListener);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -116,11 +150,7 @@ public class MessageEventManager {
|
|||
* @param messageEventNotificationListener a message event notification listener.
|
||||
*/
|
||||
public void addMessageEventNotificationListener(MessageEventNotificationListener messageEventNotificationListener) {
|
||||
synchronized (messageEventNotificationListeners) {
|
||||
if (!messageEventNotificationListeners.contains(messageEventNotificationListener)) {
|
||||
messageEventNotificationListeners.add(messageEventNotificationListener);
|
||||
}
|
||||
}
|
||||
messageEventNotificationListeners.add(messageEventNotificationListener);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -130,9 +160,7 @@ public class MessageEventManager {
|
|||
* @param messageEventNotificationListener a message event notification listener.
|
||||
*/
|
||||
public void removeMessageEventNotificationListener(MessageEventNotificationListener messageEventNotificationListener) {
|
||||
synchronized (messageEventNotificationListeners) {
|
||||
messageEventNotificationListeners.remove(messageEventNotificationListener);
|
||||
}
|
||||
messageEventNotificationListeners.remove(messageEventNotificationListener);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -142,19 +170,13 @@ public class MessageEventManager {
|
|||
String from,
|
||||
String packetID,
|
||||
String methodName) {
|
||||
MessageEventRequestListener[] listeners = null;
|
||||
Method method;
|
||||
synchronized (messageEventRequestListeners) {
|
||||
listeners = new MessageEventRequestListener[messageEventRequestListeners.size()];
|
||||
messageEventRequestListeners.toArray(listeners);
|
||||
}
|
||||
try {
|
||||
method =
|
||||
Method method =
|
||||
MessageEventRequestListener.class.getDeclaredMethod(
|
||||
methodName,
|
||||
new Class[] { String.class, String.class, MessageEventManager.class });
|
||||
for (int i = 0; i < listeners.length; i++) {
|
||||
method.invoke(listeners[i], new Object[] { from, packetID, this });
|
||||
for (MessageEventRequestListener listener : messageEventRequestListeners) {
|
||||
method.invoke(listener, new Object[] { from, packetID, this });
|
||||
}
|
||||
} catch (Exception e) {
|
||||
LOGGER.log(Level.SEVERE, "Error while invoking MessageEventRequestListener", e);
|
||||
|
|
@ -168,54 +190,19 @@ public class MessageEventManager {
|
|||
String from,
|
||||
String packetID,
|
||||
String methodName) {
|
||||
MessageEventNotificationListener[] listeners = null;
|
||||
Method method;
|
||||
synchronized (messageEventNotificationListeners) {
|
||||
listeners =
|
||||
new MessageEventNotificationListener[messageEventNotificationListeners.size()];
|
||||
messageEventNotificationListeners.toArray(listeners);
|
||||
}
|
||||
try {
|
||||
method =
|
||||
Method method =
|
||||
MessageEventNotificationListener.class.getDeclaredMethod(
|
||||
methodName,
|
||||
new Class[] { String.class, String.class });
|
||||
for (int i = 0; i < listeners.length; i++) {
|
||||
method.invoke(listeners[i], new Object[] { from, packetID });
|
||||
for (MessageEventNotificationListener listener : messageEventNotificationListeners) {
|
||||
method.invoke(listener, new Object[] { from, packetID });
|
||||
}
|
||||
} catch (Exception e) {
|
||||
LOGGER.log(Level.SEVERE, "Error while invoking MessageEventNotificationListener", e);
|
||||
}
|
||||
}
|
||||
|
||||
private void init() {
|
||||
// Listens for all message event packets and fire the proper message event listeners.
|
||||
packetListener = new PacketListener() {
|
||||
public void processPacket(Packet packet) {
|
||||
Message message = (Message) packet;
|
||||
MessageEvent messageEvent =
|
||||
(MessageEvent) message.getExtension("x", "jabber:x:event");
|
||||
if (messageEvent.isMessageEventRequest()) {
|
||||
// Fire event for requests of message events
|
||||
for (String eventType : messageEvent.getEventTypes())
|
||||
fireMessageEventRequestListeners(
|
||||
message.getFrom(),
|
||||
message.getPacketID(),
|
||||
eventType.concat("NotificationRequested"));
|
||||
} else
|
||||
// Fire event for notifications of message events
|
||||
for (String eventType : messageEvent.getEventTypes())
|
||||
fireMessageEventNotificationListeners(
|
||||
message.getFrom(),
|
||||
messageEvent.getPacketID(),
|
||||
eventType.concat("Notification"));
|
||||
|
||||
};
|
||||
|
||||
};
|
||||
con.addPacketListener(packetListener, packetFilter);
|
||||
}
|
||||
|
||||
/**
|
||||
* Sends the notification that the message was delivered to the sender of the original message
|
||||
*
|
||||
|
|
@ -232,7 +219,7 @@ public class MessageEventManager {
|
|||
messageEvent.setPacketID(packetID);
|
||||
msg.addExtension(messageEvent);
|
||||
// Send the packet
|
||||
con.sendPacket(msg);
|
||||
connection().sendPacket(msg);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -251,7 +238,7 @@ public class MessageEventManager {
|
|||
messageEvent.setPacketID(packetID);
|
||||
msg.addExtension(messageEvent);
|
||||
// Send the packet
|
||||
con.sendPacket(msg);
|
||||
connection().sendPacket(msg);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -270,7 +257,7 @@ public class MessageEventManager {
|
|||
messageEvent.setPacketID(packetID);
|
||||
msg.addExtension(messageEvent);
|
||||
// Send the packet
|
||||
con.sendPacket(msg);
|
||||
connection().sendPacket(msg);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -289,17 +276,6 @@ public class MessageEventManager {
|
|||
messageEvent.setPacketID(packetID);
|
||||
msg.addExtension(messageEvent);
|
||||
// Send the packet
|
||||
con.sendPacket(msg);
|
||||
}
|
||||
|
||||
public void destroy() {
|
||||
if (con != null) {
|
||||
con.removePacketListener(packetListener);
|
||||
}
|
||||
}
|
||||
|
||||
protected void finalize() throws Throwable {
|
||||
destroy();
|
||||
super.finalize();
|
||||
connection().sendPacket(msg);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -55,6 +55,9 @@ import java.util.List;
|
|||
*/
|
||||
public class MessageEvent implements PacketExtension {
|
||||
|
||||
public static final String NAMESPACE = "jabber:x:event";
|
||||
public static final String ELEMENT = "x";
|
||||
|
||||
public static final String OFFLINE = "offline";
|
||||
public static final String COMPOSING = "composing";
|
||||
public static final String DISPLAYED = "displayed";
|
||||
|
|
@ -76,7 +79,7 @@ public class MessageEvent implements PacketExtension {
|
|||
* @return the XML element name of the packet extension.
|
||||
*/
|
||||
public String getElementName() {
|
||||
return "x";
|
||||
return ELEMENT;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -86,7 +89,7 @@ public class MessageEvent implements PacketExtension {
|
|||
* @return the XML namespace of the packet extension.
|
||||
*/
|
||||
public String getNamespace() {
|
||||
return "jabber:x:event";
|
||||
return NAMESPACE;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
|
|||
Loading…
Reference in a new issue