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Code Issues Releases Wiki Activity

SMACK-279: The XMPPConnection extends the new abstract Connection class

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git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@11613 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Günther Niess 2010-02-09 11:55:56 +00:00 • committed by niess
parent 11a41e79ca
commit 127319a821
102 changed files with 1420 additions and 1194 deletions
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165
source/org/jivesoftware/smack/PacketWriter.java
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@ -20,13 +20,10 @@
package org.jivesoftware.smack;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.packet.Packet;
import java.io.IOException;
import java.io.Writer;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
@ -35,6 +32,9 @@ import java.util.concurrent.BlockingQueue;
* interceptors can be registered to dynamically modify packets before they're actually
* sent. Packet listeners can be registered to listen for all outgoing packets.
*
* @see Connection#addPacketInterceptor
* @see Connection#addPacketSendingListener
*
* @author Matt Tucker
*/
class PacketWriter {
@ -45,9 +45,6 @@ class PacketWriter {
private XMPPConnection connection;
private final BlockingQueue<Packet> queue;
private boolean done;
private final Map<PacketListener, ListenerWrapper> listeners =
new ConcurrentHashMap<PacketListener, ListenerWrapper>();
/**
* Timestamp when the last stanza was sent to the server. This information is used
@ -55,14 +52,6 @@ class PacketWriter {
*/
private long lastActive = System.currentTimeMillis();
/**
* List of PacketInterceptors that will be notified when a new packet is about to be
* sent to the server. These interceptors may modify the packet before it is being
* actually sent to the server.
*/
private final Map<PacketInterceptor, InterceptorWrapper> interceptors =
new ConcurrentHashMap<PacketInterceptor, InterceptorWrapper>();
/**
* Creates a new packet writer with the specified connection.
*
@ -100,7 +89,7 @@ class PacketWriter {
if (!done) {
// Invoke interceptors for the new packet that is about to be sent. Interceptors
// may modify the content of the packet.
processInterceptors(packet);
connection.firePacketInterceptors(packet);
try {
queue.put(packet);
@ -115,65 +104,10 @@ class PacketWriter {
// Process packet writer listeners. Note that we're using the sending
// thread so it's expected that listeners are fast.
processListeners(packet);
connection.firePacketSendingListeners(packet);
}
}
/**
* Registers a packet listener with this writer. The listener will be
* notified immediately after every packet this writer sends. A packet filter
* determines which packets will be delivered to the listener. Note that the thread
* that writes packets will be used to invoke the listeners. Therefore, each
* packet listener should complete all operations quickly or use a different
* thread for processing.
*
* @param packetListener the packet listener to notify of sent packets.
* @param packetFilter the packet filter to use.
*/
public void addPacketListener(PacketListener packetListener, PacketFilter packetFilter) {
listeners.put(packetListener, new ListenerWrapper(packetListener, packetFilter));
}
/**
* Removes a packet listener.
*
* @param packetListener the packet listener to remove.
*/
public void removePacketListener(PacketListener packetListener) {
listeners.remove(packetListener);
}
/**
* Returns the number of registered packet listeners.
*
* @return the count of packet listeners.
*/
public int getPacketListenerCount() {
return listeners.size();
}
/**
* Registers a packet interceptor with this writer. The interceptor will be
* notified of every packet that this writer is about to send. Interceptors
* may modify the packet to be sent. A packet filter determines which packets
* will be delivered to the interceptor.
*
* @param packetInterceptor the packet interceptor to notify of packets about to be sent.
* @param packetFilter the packet filter to use.
*/
public void addPacketInterceptor(PacketInterceptor packetInterceptor, PacketFilter packetFilter) {
interceptors.put(packetInterceptor, new InterceptorWrapper(packetInterceptor, packetFilter));
}
/**
* Removes a packet interceptor.
*
* @param packetInterceptor the packet interceptor to remove.
*/
public void removePacketInterceptor(PacketInterceptor packetInterceptor) {
interceptors.remove(packetInterceptor);
}
/**
* Starts the packet writer thread and opens a connection to the server. The
* packet writer will continue writing packets until {@link #shutdown} or an
@ -221,8 +155,8 @@ class PacketWriter {
* Cleans up all resources used by the packet writer.
*/
void cleanup() {
interceptors.clear();
listeners.clear();
connection.interceptors.clear();
connection.sendListeners.clear();
}
/**
@ -306,34 +240,6 @@ class PacketWriter {
}
}
/**
* Process listeners.
*
* @param packet the packet to process.
*/
private void processListeners(Packet packet) {
// Notify the listeners of the new sent packet
for (ListenerWrapper listenerWrapper : listeners.values()) {
listenerWrapper.notifyListener(packet);
}
}
/**
* Process interceptors. Interceptors may modify the packet that is about to be sent.
* Since the thread that requested to send the packet will invoke all interceptors, it
* is important that interceptors perform their work as soon as possible so that the
* thread does not remain blocked for a long period.
*
* @param packet the packet that is going to be sent to the server
*/
private void processInterceptors(Packet packet) {
if (packet != null) {
for (InterceptorWrapper interceptorWrapper : interceptors.values()) {
interceptorWrapper.notifyListener(packet);
}
}
}
/**
* Sends to the server a new stream element. This operation may be requested several times
* so we need to encapsulate the logic in one place. This message will be sent while doing
@ -344,7 +250,7 @@ class PacketWriter {
void openStream() throws IOException {
StringBuilder stream = new StringBuilder();
stream.append("<stream:stream");
stream.append(" to=\"").append(connection.serviceName).append("\"");
stream.append(" to=\"").append(connection.getServiceName()).append("\"");
stream.append(" xmlns=\"jabber:client\"");
stream.append(" xmlns:stream=\"http://etherx.jabber.org/streams\"");
stream.append(" version=\"1.0\">");
@ -352,61 +258,6 @@ class PacketWriter {
writer.flush();
}
/**
* A wrapper class to associate a packet filter with a listener.
*/
private static class ListenerWrapper {
private PacketListener packetListener;
private PacketFilter packetFilter;
public ListenerWrapper(PacketListener packetListener, PacketFilter packetFilter) {
this.packetListener = packetListener;
this.packetFilter = packetFilter;
}
public void notifyListener(Packet packet) {
if (packetFilter == null || packetFilter.accept(packet)) {
packetListener.processPacket(packet);
}
}
}
/**
* A wrapper class to associate a packet filter with an interceptor.
*/
private static class InterceptorWrapper {
private PacketInterceptor packetInterceptor;
private PacketFilter packetFilter;
public InterceptorWrapper(PacketInterceptor packetInterceptor, PacketFilter packetFilter)
{
this.packetInterceptor = packetInterceptor;
this.packetFilter = packetFilter;
}
public boolean equals(Object object) {
if (object == null) {
return false;
}
if (object instanceof InterceptorWrapper) {
return ((InterceptorWrapper) object).packetInterceptor
.equals(this.packetInterceptor);
}
else if (object instanceof PacketInterceptor) {
return object.equals(this.packetInterceptor);
}
return false;
}
public void notifyListener(Packet packet) {
if (packetFilter == null || packetFilter.accept(packet)) {
packetInterceptor.interceptPacket(packet);
}
}
}
/**
* A TimerTask that keeps connections to the server alive by sending a space
* character on an interval.