@Override
public List<DiscoverItems.Item> getNodeItems() {
List<DiscoverItems.Item> items = new ArrayList<DiscoverItems.Item>();
synchronized (mServices) {
// services offered by this agent
for (MobilisService service : mServices) {
try {
DiscoverItems.Item item = service.getDiscoverItem();
if (item != null) {
items.add(item);
}
} catch (Exception e) {
}
}
}
return items;
}
/**
* Deletes the session agent account, frees all resources and disconnects the XMPP connection.
*
* @throws org.jivesoftware.smack.XMPPException
*/
public void shutdown() throws XMPPException {
ServiceDiscoveryManager sdm = ServiceDiscoveryManager.getInstanceFor(mConnection);
// ServiceDiscovery (feature) http://rn.inf.tu-dresden.de/mobilis
try {
sdm.removeFeature(MobilisManager.discoNamespace);
} catch (Exception e) {
MobilisManager.getLogger().warning("Problem with ServiceDiscoveryManager: " + e.getMessage());
}
// ServiceDiscovery (info+items) http://rn.inf.tu-dresden.de/mobilis#services
try {
sdm.removeNodeInformationProvider(MobilisManager.discoServicesNode);
} catch (Exception e) {
MobilisManager.getLogger()
.warning(
"Problem with NodeInformationProvider: "
+ MobilisManager.discoServicesNode
+ " ("
+ getIdent()
+ ") "
+ e.getMessage());
}
for (MobilisService service : mServices) {
try {
sdm.removeNodeInformationProvider(service.getNode());
service.shutdown();
} catch (Exception e) {
// TODO Auto-generated catch block
}
}
if ((mConnection != null) && mConnection.isConnected()) {
mConnection.removeConnectionListener(this);
mConnection.disconnect();
}
mConnection = null;
// logging
MobilisManager.getLogger().info("Mobilis Agent (" + getIdent() + ") shut down.");
}
public void unregisterService(MobilisService service) {
synchronized (mServices) {
mServices.remove(service);
}
// logging
MobilisManager.getLogger()
.config(
"Mobilis Service ("
+ service.getIdent()
+ ") unregistered at Mobilis Agent ("
+ getIdent()
+ ").");
}
public void startup() throws XMPPException {
String host;
Integer port;
String service;
synchronized (mDefaultSettings) {
host = (String) mDefaultSettings.get("host");
port = Integer.parseInt((String) mDefaultSettings.get("port"));
service = (String) mDefaultSettings.get("service");
}
ConnectionConfiguration connConfig = new ConnectionConfiguration(host, port, service);
mConnection = new XMPPConnection(connConfig);
mConnection.connect();
String password = null;
String resource = null;
synchronized (mDefaultSettings) {
mJid = mDefaultSettings.get("username") + "@" + mDefaultSettings.get("service");
password = (String) mDefaultSettings.get("password");
resource = (String) mDefaultSettings.get("resource");
}
mConnection.login(mJid, password, resource);
mConnection.addConnectionListener(this);
ServiceDiscoveryManager sdm = ServiceDiscoveryManager.getInstanceFor(mConnection);
// Set on every established connection that this client supports the Mobilis
// protocol. This information will be used when another client tries to
// discover whether this client supports Mobilis or not.
try {
sdm.addFeature(MobilisManager.discoNamespace);
} catch (Exception e) {
MobilisManager.getLogger().warning("Problem with ServiceDiscoveryManager: " + e.getMessage());
}
synchronized (mServices) {
for (MobilisService ms : mServices) {
try {
ms.startup();
sdm.setNodeInformationProvider(ms.getNode(), ms);
} catch (Exception e) {
MobilisManager.getLogger()
.warning(
"Couldn't startup Mobilis Service ("
+ ms.getIdent()
+ ") because of "
+ e.getClass().getName()
+ ": "
+ e.getMessage());
}
}
}
// Set the NodeInformationProvider that will provide information about the
// offered services whenever a disco request is received
try {
sdm.setNodeInformationProvider(MobilisManager.discoServicesNode, this);
} catch (Exception e) {
MobilisManager.getLogger()
.warning(
"Problem with NodeInformationProvider: "
+ MobilisManager.discoServicesNode
+ " ("
+ getIdent()
+ ") "
+ e.getMessage());
}
// try {
// String entityID = mJid;
// DiscoverItems discoverItems = new DiscoverItems();
// Item item = new Item(entityID);
// item.setAction(Item.UPDATE_ACTION);
// item.setName("Mobilis Agent");
// item.setNode(null);
// discoverItems.addItem(item);
// sdm.publishItems(entityID, discoverItems);
// } catch (Exception e) {
// MobilisManager.getLogger().warning("Problem with ServiceDiscoveryManager: " +
// e.getMessage());
// }
// logging
MobilisManager.getLogger().info("Mobilis Agent (" + getIdent() + ") started up.");
}