/**
* Remove records telling what entity caps node a contact has.
*
* @param contact the contact
*/
public void removeContactCapsNode(Contact contact) {
Caps caps = null;
String lastRemovedJid = null;
Iterator<String> iter = userCaps.keySet().iterator();
while (iter.hasNext()) {
String jid = iter.next();
if (StringUtils.parseBareAddress(jid).equals(contact.getAddress())) {
caps = userCaps.get(jid);
lastRemovedJid = jid;
iter.remove();
}
}
// fire only for the last one, at the end the event out
// of the protocol will be one and for the contact
if (caps != null) {
UserCapsNodeListener[] listeners;
synchronized (userCapsNodeListeners) {
listeners = userCapsNodeListeners.toArray(NO_USER_CAPS_NODE_LISTENERS);
}
if (listeners.length != 0) {
String nodeVer = caps.getNodeVer();
for (UserCapsNodeListener listener : listeners)
listener.userCapsNodeRemoved(lastRemovedJid, nodeVer, false);
}
}
}
/**
* Add a record telling what entity caps node a user has.
*
* @param user the user (Full JID)
* @param node the node (of the caps packet extension)
* @param hash the hashing algorithm used to calculate <tt>ver</tt>
* @param ver the version (of the caps packet extension)
* @param ext the ext (of the caps packet extension)
* @param online indicates if the user is online
*/
private void addUserCapsNode(
String user, String node, String hash, String ver, String ext, boolean online) {
if ((user != null) && (node != null) && (hash != null) && (ver != null)) {
Caps caps = userCaps.get(user);
if ((caps == null)
|| !caps.node.equals(node)
|| !caps.hash.equals(hash)
|| !caps.ver.equals(ver)) {
caps = new Caps(node, hash, ver, ext);
userCaps.put(user, caps);
} else return;
// Fire userCapsNodeAdded.
UserCapsNodeListener[] listeners;
synchronized (userCapsNodeListeners) {
listeners = userCapsNodeListeners.toArray(NO_USER_CAPS_NODE_LISTENERS);
}
if (listeners.length != 0) {
String nodeVer = caps.getNodeVer();
for (UserCapsNodeListener listener : listeners)
listener.userCapsNodeAdded(user, nodeVer, online);
}
}
}
/**
* Add {@link DiscoverInfo} to our caps database.
*
* <p><b>Warning</b>: The specified <tt>DiscoverInfo</tt> is trusted to be valid with respect to
* the specified <tt>Caps</tt> for performance reasons because the <tt>DiscoverInfo</tt> should
* have already been validated in order to be used elsewhere anyway.
*
* @param caps the <tt>Caps<tt/> i.e. the node, the hash and the ver for which a
* <tt>DiscoverInfo</tt> is to be added to our caps database.
* @param info {@link DiscoverInfo} for the specified <tt>Caps</tt>.
*/
public static void addDiscoverInfoByCaps(Caps caps, DiscoverInfo info) {
cleanupDiscoverInfo(info);
/*
* DiscoverInfo carries the node we're now associating it with a
* specific node so we'd better keep them in sync.
*/
info.setNode(caps.getNodeVer());
synchronized (caps2discoverInfo) {
DiscoverInfo oldInfo = caps2discoverInfo.put(caps, info);
/*
* If the specified info is a new association for the specified
* node, remember it across application instances in order to not
* query for it over the network.
*/
if ((oldInfo == null) || !oldInfo.equals(info)) {
String xml = info.getChildElementXML();
if ((xml != null) && (xml.length() != 0)) {
getConfigService().setProperty(getCapsPropertyName(caps), xml);
}
}
}
}
/**
* Maps the specified <tt>address</tt> to <tt>jid</tt>. The point of this method is to allow us to
* send all messages destined to the contact with the specified <tt>address</tt> to the
* <tt>jid</tt> that they last contacted us from.
*
* @param threadID the threadID of conversation.
* @param jid the jid (i.e. address/resource) that the contact with the specified <tt>address</tt>
* last contacted us from.
*/
private void putJidForAddress(String jid, String threadID) {
synchronized (jids) {
purgeOldJids();
StoredThreadID ta = jids.get(jid);
if (ta == null) {
ta = new StoredThreadID();
jids.put(jid, ta);
}
recentJIDForAddress.put(StringUtils.parseBareAddress(jid), jid);
ta.lastUpdatedTime = System.currentTimeMillis();
ta.threadID = threadID;
}
}
/**
* Returns the last jid that the party with the specified <tt>address</tt> contacted us from or
* <tt>null</tt>(or bare jid) if we don't have a jid for the specified <tt>address</tt> yet. The
* method would also purge all entries that haven't seen any activity (i.e. no one has tried to
* get or remap it) for a delay longer than <tt>JID_INACTIVITY_TIMEOUT</tt>.
*
* @param jid the <tt>jid</tt> that we'd like to obtain a threadID for.
* @return the last jid that the party with the specified <tt>address</tt> contacted us from or
* <tt>null</tt> if we don't have a jid for the specified <tt>address</tt> yet.
*/
String getThreadIDForAddress(String jid) {
synchronized (jids) {
purgeOldJids();
StoredThreadID ta = jids.get(jid);
if (ta == null) return null;
ta.lastUpdatedTime = System.currentTimeMillis();
return ta.threadID;
}
}
/**
* Remove from our <tt>jids</tt> map all entries that have not seen any activity (i.e. neither
* outgoing nor incoming messags) for more than JID_INACTIVITY_TIMEOUT. Note that this method is
* not synchronous and that it is only meant for use by the {@link #getThreadIDForAddress(String)}
* and {@link #putJidForAddress(String, String)}
*/
private void purgeOldJids() {
long currentTime = System.currentTimeMillis();
Iterator<Map.Entry<String, StoredThreadID>> entries = jids.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry<String, StoredThreadID> entry = entries.next();
StoredThreadID target = entry.getValue();
if (currentTime - target.lastUpdatedTime > JID_INACTIVITY_TIMEOUT) entries.remove();
}
}
/**
* Determines whether the protocol supports the supplied content type for the given contact.
*
* @param contentType the type we want to check
* @param contact contact which is checked for supported contentType
* @return <tt>true</tt> if the contact supports it and <tt>false</tt> otherwise.
*/
@Override
public boolean isContentTypeSupported(String contentType, Contact contact) {
// by default we support default mime type, for other mimetypes
// method must be overriden
if (contentType.equals(DEFAULT_MIME_TYPE)) return true;
else if (contentType.equals(HTML_MIME_TYPE)) {
String toJID = recentJIDForAddress.get(contact.getAddress());
if (toJID == null) toJID = contact.getAddress();
return jabberProvider.isFeatureListSupported(toJID, HTML_NAMESPACE);
}
return false;
}
/**
* Remove a record telling what entity caps node a user has.
*
* @param user the user (Full JID)
*/
public void removeUserCapsNode(String user) {
Caps caps = userCaps.remove(user);
// Fire userCapsNodeRemoved.
if (caps != null) {
UserCapsNodeListener[] listeners;
synchronized (userCapsNodeListeners) {
listeners = userCapsNodeListeners.toArray(NO_USER_CAPS_NODE_LISTENERS);
}
if (listeners.length != 0) {
String nodeVer = caps.getNodeVer();
for (UserCapsNodeListener listener : listeners)
listener.userCapsNodeRemoved(user, nodeVer, false);
}
}
}
public String getRecentJIDForAddress(String address) {
return recentJIDForAddress.get(address);
}
/**
* Retrieve DiscoverInfo for a specific node.
*
* @param caps the <tt>Caps</tt> i.e. the node, the hash and the ver
* @return The corresponding DiscoverInfo or null if none is known.
*/
public static DiscoverInfo getDiscoverInfoByCaps(Caps caps) {
synchronized (caps2discoverInfo) {
DiscoverInfo discoverInfo = caps2discoverInfo.get(caps);
/*
* If we don't have the discoverInfo in the runtime cache yet, we
* may have it remembered in a previous application instance.
*/
if (discoverInfo == null) {
ConfigurationService configurationService = getConfigService();
String capsPropertyName = getCapsPropertyName(caps);
String xml = configurationService.getString(capsPropertyName);
if ((xml != null) && (xml.length() != 0)) {
IQProvider discoverInfoProvider =
(IQProvider)
ProviderManager.getInstance()
.getIQProvider("query", "http://jabber.org/protocol/disco#info");
if (discoverInfoProvider != null) {
XmlPullParser parser = new MXParser();
try {
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
parser.setInput(new StringReader(xml));
// Start the parser.
parser.next();
} catch (XmlPullParserException xppex) {
parser = null;
} catch (IOException ioex) {
parser = null;
}
if (parser != null) {
try {
discoverInfo = (DiscoverInfo) discoverInfoProvider.parseIQ(parser);
} catch (Exception ex) {
}
if (discoverInfo != null) {
if (caps.isValid(discoverInfo)) caps2discoverInfo.put(caps, discoverInfo);
else {
logger.error(
"Invalid DiscoverInfo for " + caps.getNodeVer() + ": " + discoverInfo);
/*
* The discoverInfo doesn't seem valid
* according to the caps which means that we
* must have stored invalid information.
* Delete the invalid information in order
* to not try to validate it again.
*/
configurationService.removeProperty(capsPropertyName);
}
}
}
}
}
}
return discoverInfo;
}
}
/**
* Get the discover info given a user name. The discover info is returned if the user has a
* node#ver associated with it and the node#ver has a discover info associated with it.
*
* @param user user name (Full JID)
* @return the discovered info
*/
public DiscoverInfo getDiscoverInfoByUser(String user) {
Caps caps = userCaps.get(user);
return (caps == null) ? null : getDiscoverInfoByCaps(caps);
}
/**
* Gets the <tt>Caps</tt> i.e. the node, the hash and the ver of a user.
*
* @param user the user (Full JID)
* @return the <tt>Caps</tt> i.e. the node, the hash and the ver of <tt>user</tt>
*/
public Caps getCapsByUser(String user) {
return userCaps.get(user);
}