/**
* This activity implement the participants interface.
*
* @author Michele Izzo - Telecomitalia
*/
public class ParticipantsActivity extends ListActivity {
private Logger logger = Logger.getJADELogger(this.getClass().getName());
private MyReceiver myReceiver;
private String nickname;
private ChatClientInterface chatClientInterface;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Bundle extras = getIntent().getExtras();
if (extras != null) {
nickname = extras.getString("nickname");
}
try {
chatClientInterface =
MicroRuntime.getAgent(nickname).getO2AInterface(ChatClientInterface.class);
} catch (StaleProxyException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ControllerException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
myReceiver = new MyReceiver();
IntentFilter refreshParticipantsFilter = new IntentFilter();
refreshParticipantsFilter.addAction("jade.demo.chat.REFRESH_PARTICIPANTS");
registerReceiver(myReceiver, refreshParticipantsFilter);
setContentView(R.layout.participants);
setListAdapter(
new ArrayAdapter<String>(
this, R.layout.participant, chatClientInterface.getParticipantNames()));
ListView listView = getListView();
listView.setTextFilterEnabled(true);
listView.setOnItemClickListener(listViewtListener);
}
private OnItemClickListener listViewtListener =
new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
// TODO: A partecipant was picked. Send a private message.
finish();
}
};
@Override
protected void onDestroy() {
super.onDestroy();
unregisterReceiver(myReceiver);
logger.log(Level.INFO, "Destroy activity!");
}
private class MyReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
logger.log(Level.INFO, "Received intent " + action);
if (action.equalsIgnoreCase("jade.demo.chat.REFRESH_PARTICIPANTS")) {
setListAdapter(
new ArrayAdapter<String>(
ParticipantsActivity.this,
R.layout.participant,
chatClientInterface.getParticipantNames()));
}
}
}
}
/**
* This class is used to start up the JADE runtime as a split (front-end) container. Though JADE
* supports split containers on all Java editions, the split container deployment is better suited
* for small, resource constrained devices (MIDP and PJava).
*
* @author Giovanni Caire - TILAB
*/
public class MicroRuntime {
/**
* The configuration property key that maps to the list of agents that have to be activated at
* boostrap.
*/
public static final String AGENTS_KEY = "agents";
/** The configuration property key that maps to the list of services that have to be installed. */
public static final String SERVICES_KEY = "services";
/**
* The key to retrieve the owner of the starting container. This information is the base for using
* a split container in a JADE platform with some form of security as it is automatically
* propagated to the back-end. For instance to connect a split-container to a platform using
* JADE-S Front-End: In the startup peroperties specify - owner = <username>:<password> Back-End:
* In the leap property file of the JICPMediatorManager that will host the BackEnd specify -
* services = ....<security services>... - jade_security_authentication_logincallback = cmdline
*/
public static final String OWNER_KEY = "owner";
/** The configuration property key that maps to the host where to connect to the JADE mediator. */
public static final String HOST_KEY = "host";
/** The configuration property key that maps to the port where to connect to the JADE mediator. */
public static final String PORT_KEY = "port";
/**
* The configuration property key that maps to the protocol that must be used to connect to the
* JADE mediator. Possible values are: <code>socket, ssl, http, https</code>
*/
public static final String PROTO_KEY = "proto";
/**
* The configuration property key that specifies how much time by default a command that is being
* delivered during a temporary disconnection must be stored waiting for the FE to reconnect.
* After that time the command fails (in case of a message delivery command, a FAILURE is sent
* back to the sender).<br>
* 0 means store and forward disabled -1 means infinite timeout
*/
public static final String DEFAULT_SF_TIMEOUT_KEY = "default-sf-timeout";
public static final String REMOTE_CONFIG_HOST_KEY = "remote-config-host";
public static final String REMOTE_CONFIG_PORT_KEY = "remote-config-port";
public static final String SOCKET_PROTOCOL = "socket";
public static final String SSL_PROTOCOL = "ssl";
public static final String HTTP_PROTOCOL = "http";
public static final String HTTPS_PROTOCOL = "https";
// #APIDOC_EXCLUDE_BEGIN
public static final String CONN_MGR_CLASS_KEY = "connection-manager";
public static final String CONTAINER_NAME_KEY = "container-name";
public static final String PLATFORM_KEY = "platform-id";
public static final String PLATFORM_ADDRESSES_KEY = "addresses";
public static final String BE_REQUIRED_SERVICES_KEY = "be-required-services";
public static final String JVM_KEY = "jvm";
public static final String J2SE = "j2se";
public static final String PJAVA = "pjava";
public static final String MIDP = "midp";
// #APIDOC_EXCLUDE_END
// #J2ME_EXCLUDE_BEGIN
private static Logger logger = Logger.getJADELogger(MicroRuntime.class.getName());
// #J2ME_EXCLUDE_END
/*#J2ME_INCLUDE_BEGIN
private static Logger logger = Logger.getJADELogger("jade.core.MicroRuntime");
#J2ME_INCLUDE_END*/
private static Runnable terminator;
private static FrontEndContainer myFrontEnd;
private static boolean terminated;
/**
* Start up the JADE runtime. This method launches a JADE Front End container. Since JADE supports
* only one container in the split-container deployment, if a Front End is already running this
* method does nothing.
*
* @param p A property bag, containing name-value pairs used to configure the container during
* boot.
* @param r A <code>Runnable</code> object, whose <code>run()</code> method will be executed just
* after container termination.
*/
public static void startJADE(Properties p, Runnable r) {
if (myFrontEnd == null) {
terminator = r;
terminated = false;
myFrontEnd = new FrontEndContainer();
myFrontEnd.start(p);
if (terminated) {
myFrontEnd = null;
}
}
}
/**
* Shut down the JADE runtime. This method stops the JADE Front End container currently running in
* this JVM, if one such container exists.
*/
public static void stopJADE() {
if (myFrontEnd != null) {
try {
// Self-initiated shutdown
myFrontEnd.exit(true);
} catch (IMTPException imtpe) {
// Should never happen as this is a local call
imtpe.printStackTrace();
}
}
}
/**
* Tells whether a JADE Front End container is currently running within this JVM.
*
* @return If the JADE runtime is currently running, <code>true</code> is returned. Otherwise, the
* method returns <code>false</code>.
*/
public static boolean isRunning() {
return myFrontEnd != null;
}
public static String getContainerName() {
if (myFrontEnd != null) {
Location cid = myFrontEnd.here();
if (cid != null) {
return cid.getName();
}
}
return null;
}
/**
* Start a new agent. This method starts a new agent within the active Front End container.
*
* @param name The local name (i.e. without the platform ID) of the agent to create.
* @param className The fully qualified name of the class implementing the agent to start.
* @param args The creation arguments for the agent.
* @throws Exception If the underlying agent creation process fails.
*/
public static void startAgent(String name, String className, String[] args) throws Exception {
if (myFrontEnd != null) {
try {
myFrontEnd.createAgent(name, className, args);
} catch (IMTPException imtpe) {
// This is a local call --> an IMTPxception always wrap some other exception
throw (Exception) imtpe.getNested();
}
}
}
/**
* Start a new agent. This method starts a new agent within the active Front End container.
*
* @param name The local name (i.e. without the platform ID) of the agent to create.
* @param className The fully qualified name of the class implementing the agent to start.
* @param args The creation arguments for the agent.
* @throws Exception If the underlying agent creation process fails.
*/
public static void startAgent(String name, String className, Object[] args) throws Exception {
if (myFrontEnd != null) {
try {
myFrontEnd.createAgent(name, className, args);
} catch (IMTPException imtpe) {
// This is a local call --> an IMTPxception always wrap some other exception
throw (Exception) imtpe.getNested();
}
}
}
/**
* Kill an agent. This method terminates an agent running within the active Front End container.
*
* @param name The local name (i.e. without the platform ID) of the agent to kill.
* @throws NotFoundException If no agent with the given local name are running within the active
* Front End.
*/
public static void killAgent(String name) throws NotFoundException {
if (myFrontEnd != null) {
try {
myFrontEnd.killAgent(name);
} catch (IMTPException imtpe) {
// Should never happen as this is a local call
imtpe.printStackTrace();
}
}
}
// #MIDP_EXCLUDE_BEGIN
/**
* Get agent proxy to local agent given its name. <br>
* <b>NOT available in MIDP</b> <br>
*
* @param localAgentName The short local name of the desired agent.
* @throws ControllerException If any problems occur obtaining this proxy.
*/
public static AgentController getAgent(String localName) throws ControllerException {
if (myFrontEnd == null) {
throw new ControllerException("FrontEndContainer not found");
}
// Check that the agent exists
jade.core.Agent instance = myFrontEnd.getLocalAgent(localName);
if (instance == null) {
throw new ControllerException("Agent " + localName + " not found.");
}
return new MicroAgentControllerImpl(localName, myFrontEnd);
}
/**
* Add a listener that will be notified about Front-End relevant events such as BORN_AGENT and
* DEAD_AGENT <br>
* <b>NOT available in MIDP</b> <br>
*
* @param l The listener that will be notified about Front-End relevant events
*/
public static void addListener(FEListener l) {
if (myFrontEnd != null) {
myFrontEnd.addListener(l);
}
}
/**
* Remove a listener to Front-End relevant events BORN_AGENT and DEAD_AGENT <br>
* <b>NOT available in MIDP</b> <br>
*
* @param l The listener to be removed
*/
public static void removeListener(FEListener l) {
if (myFrontEnd != null) {
myFrontEnd.removeListener(l);
}
}
// #MIDP_EXCLUDE_END
/**
* Disconnect this front-end container from the platform. That is, though the local front-end
* container and its agent(s) remain active, the back-end is shut down and, of course, the FE-2-BE
* connection is closed --> Therefore the rest of the platform does not see the local container
* and its agent(s) anymore. The local container automatically re-connects to the platform (and
* local agents are registered with the AMS again) as soon as a message to a remote agent is sent.
*/
public static void detach() {
if (myFrontEnd != null) {
myFrontEnd.detach();
}
}
// #APIDOC_EXCLUDE_BEGIN
public static void notifyFailureToSender(ACLMessage msg, String sender, String error) {
if (myFrontEnd != null) {
// Send back a failure message
try {
Iterator it = msg.getAllReceiver();
while (it.hasNext()) {
AID receiver = (AID) it.next();
// If this receiver is local, the message has certainly been delivered
// successfully --> Do not send any FAILURE back for this receiver
if (myFrontEnd.getLocalAgent(receiver.getLocalName()) == null) {
ACLMessage failure = msg.createReply();
failure.setPerformative(ACLMessage.FAILURE);
failure.setSender(myFrontEnd.getAMS());
failure.setLanguage(FIPANames.ContentLanguage.FIPA_SL);
String content = "( (action " + sender;
content = content + " (ACLMessage) ) (MTS-error " + receiver + " \"" + error + "\") )";
failure.setContent(content);
myFrontEnd.messageIn(failure, sender);
}
}
} catch (Exception e1) {
logger.log(Logger.SEVERE, "Error delivering FAILURE message.", e1);
}
}
}
// #APIDOC_EXCLUDE_END
/** Activate the Java environment terminator when the JADE runtime has stopped. */
static void handleTermination(boolean self) {
terminated = true;
myFrontEnd = null;
Thread t = null;
if (self) {
t = new Thread(terminator);
} else {
// If the termination was activated from remote, then let
// the current thread complete before closing down everything
final Thread current = Thread.currentThread();
t =
new Thread(
new Runnable() {
public void run() {
try {
current.join();
} catch (InterruptedException ie) {
logger.log(Logger.SEVERE, "Interrupted in join");
}
if (terminator != null) {
terminator.run();
}
}
});
}
t.start();
}
}
public class ParticipantsActivity extends ListActivity {
private Logger logger = Logger.getJADELogger(this.getClass().getName());
private MyReceiver myReceiver;
private String nickname;
private ChatClientInterface chatClientInterface;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Bundle extras = getIntent().getExtras();
if (extras != null) {
nickname = extras.getString("nickname");
}
try {
chatClientInterface =
MicroRuntime.getAgent(nickname).getO2AInterface(ChatClientInterface.class);
} catch (StaleProxyException e) {
e.printStackTrace();
} catch (ControllerException e) {
e.printStackTrace();
}
myReceiver = new MyReceiver();
IntentFilter refreshParticipantsFilter = new IntentFilter();
refreshParticipantsFilter.addAction("jade.demo.chat.REFRESH_PARTICIPANTS");
registerReceiver(myReceiver, refreshParticipantsFilter);
setContentView(R.layout.participants);
setListAdapter(
new ArrayAdapter<String>(
this,
R.layout.participant,
chatClientInterface.getParticipantNames(getContentResolver())));
ListView listView = getListView();
listView.setTextFilterEnabled(true);
listView.setOnItemClickListener(listViewtListener);
}
private OnItemClickListener listViewtListener =
new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
final String participant =
chatClientInterface.getParticipantNames(getContentResolver())[position];
if (participant.charAt(participant.length() - 2) == 'N') {
new AlertDialog.Builder(ParticipantsActivity.this)
.setTitle("Create Contact")
.setMessage(
"Create contact for "
+ participant.substring(0, participant.length() - 4)
+ " ?")
.setPositiveButton(
android.R.string.yes,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
addContact(participant.substring(0, participant.length() - 4));
Context context = getApplicationContext();
CharSequence text = "Contact created!";
int duration = Toast.LENGTH_SHORT;
Toast toast = Toast.makeText(context, text, duration);
toast.show();
finish();
}
})
.setNegativeButton(
android.R.string.no,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
finish();
}
})
.setIcon(android.R.drawable.ic_dialog_alert)
.show();
} else {
finish();
}
}
};
private void addContact(String participant) {
String DisplayName = participant;
ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>();
ops.add(
ContentProviderOperation.newInsert(ContactsContract.RawContacts.CONTENT_URI)
.withValue(ContactsContract.RawContacts.ACCOUNT_TYPE, null)
.withValue(ContactsContract.RawContacts.ACCOUNT_NAME, null)
.build());
if (DisplayName != null) {
ops.add(
ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI)
.withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, 0)
.withValue(
ContactsContract.Data.MIMETYPE,
ContactsContract.CommonDataKinds.StructuredName.CONTENT_ITEM_TYPE)
.withValue(ContactsContract.CommonDataKinds.StructuredName.DISPLAY_NAME, DisplayName)
.build());
}
try {
getContentResolver().applyBatch(ContactsContract.AUTHORITY, ops);
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
unregisterReceiver(myReceiver);
logger.log(Level.INFO, "Destroy activity!");
}
private class MyReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
logger.log(Level.INFO, "Received intent " + action);
if (action.equalsIgnoreCase("jade.demo.chat.REFRESH_PARTICIPANTS")) {
setListAdapter(
new ArrayAdapter<String>(
ParticipantsActivity.this,
R.layout.participant,
chatClientInterface.getParticipantNames(getContentResolver())));
}
}
}
}