mirror of
https://github.com/vanitasvitae/Smack.git
synced 2024-11-30 07:52:06 +01:00
8d07e07379
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@10453 b35dd754-fafc-0310-a699-88a17e54d16e
725 lines
29 KiB
Java
Executable file
725 lines
29 KiB
Java
Executable file
/**
|
|
* $RCSfile$
|
|
* $Revision: $
|
|
* $Date: $
|
|
*
|
|
* Copyright 2005-2007 Jive Software.
|
|
*
|
|
* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package org.jivesoftware.smackx.commands;
|
|
|
|
import org.jivesoftware.smack.*;
|
|
import org.jivesoftware.smack.filter.PacketFilter;
|
|
import org.jivesoftware.smack.filter.PacketTypeFilter;
|
|
import org.jivesoftware.smack.packet.IQ;
|
|
import org.jivesoftware.smack.packet.Packet;
|
|
import org.jivesoftware.smack.packet.XMPPError;
|
|
import org.jivesoftware.smack.util.StringUtils;
|
|
import org.jivesoftware.smackx.Form;
|
|
import org.jivesoftware.smackx.NodeInformationProvider;
|
|
import org.jivesoftware.smackx.ServiceDiscoveryManager;
|
|
import org.jivesoftware.smackx.commands.AdHocCommand.Action;
|
|
import org.jivesoftware.smackx.commands.AdHocCommand.Status;
|
|
import org.jivesoftware.smackx.packet.AdHocCommandData;
|
|
import org.jivesoftware.smackx.packet.DiscoverInfo;
|
|
import org.jivesoftware.smackx.packet.DiscoverInfo.Identity;
|
|
import org.jivesoftware.smackx.packet.DiscoverItems;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.Collection;
|
|
import java.util.List;
|
|
import java.util.Map;
|
|
import java.util.concurrent.ConcurrentHashMap;
|
|
|
|
/**
|
|
* An AdHocCommandManager is responsible for keeping the list of available
|
|
* commands offered by a service and for processing commands requests.
|
|
* Typically, instances of this class are private to the service offering ad-hoc
|
|
* commands.
|
|
*
|
|
* @author Gabriel Guardincerri
|
|
*/
|
|
|
|
public class AdHocCommandManager {
|
|
|
|
private final static String discoNamespace = "http://jabber.org/protocol/commands";
|
|
|
|
private final static String discoNode = discoNamespace;
|
|
|
|
/**
|
|
* The session time out in seconds.
|
|
*/
|
|
public static int SESSION_TIMEOUT = 2 * 60;
|
|
|
|
/**
|
|
* Map a XMPPConnection with it AdHocCommandManager. This map have a pair
|
|
* key-value for every active connection.
|
|
*/
|
|
private static Map<XMPPConnection, AdHocCommandManager> instances = new ConcurrentHashMap<XMPPConnection, AdHocCommandManager>();
|
|
|
|
private static Thread sessionsSweeper;
|
|
|
|
/**
|
|
* The XMPPConnection that this instances of AdHocCommandManager manages
|
|
*/
|
|
private XMPPConnection connection;
|
|
|
|
/**
|
|
* Map a command node with its AdHocCommandInfo. Note: Key=command node,
|
|
* Value=command. Command node matches the node attribute sent by command
|
|
* requesters.
|
|
*/
|
|
private Map<String, AdHocCommandInfo> commands = new ConcurrentHashMap<String, AdHocCommandInfo>();
|
|
|
|
/**
|
|
* Map a command session ID with the instance LocalCommand. The LocalCommand
|
|
* is the an objects that has all the information of the current state of
|
|
* the command execution. Note: Key=session ID, Value=LocalCommand. Session
|
|
* ID matches the sessionid attribute sent by command responders.
|
|
*/
|
|
private Map<String, LocalCommand> executingCommands = new ConcurrentHashMap<String, LocalCommand>();
|
|
|
|
/**
|
|
* Register the listener for all the connection creations. When a new
|
|
* connection is created a new AdHocCommandManager is also created and
|
|
* related to that connection.
|
|
*/
|
|
static {
|
|
XMPPConnection
|
|
.addConnectionCreationListener(new ConnectionCreationListener() {
|
|
public void connectionCreated(XMPPConnection connection) {
|
|
new AdHocCommandManager(connection);
|
|
}
|
|
});
|
|
}
|
|
|
|
private AdHocCommandManager(XMPPConnection connection) {
|
|
super();
|
|
this.connection = connection;
|
|
init();
|
|
}
|
|
|
|
/**
|
|
* Returns the <code>AdHocCommandManager</code> related to the
|
|
* <code>connection</code>.
|
|
*
|
|
* @param connection
|
|
* @return
|
|
*/
|
|
public static AdHocCommandManager getAddHocCommandsManager(
|
|
XMPPConnection connection) {
|
|
return instances.get(connection);
|
|
}
|
|
|
|
/**
|
|
* <li>Adds listeners to the connection</li>
|
|
* <li>Registers the ad-hoc command feature to the ServiceDiscoveryManager</li>
|
|
* <li>Registers the items of the feature</li>
|
|
* <li>Adds packet listeners to handle execution requests</li>
|
|
* <li>Creates and start the session sweeper</li>
|
|
*
|
|
*/
|
|
private void init() {
|
|
// Register the new instance and associate it with the connection
|
|
instances.put(connection, this);
|
|
|
|
// Add a listener to the connection that removes the registered instance
|
|
// when the connection is closed
|
|
connection.addConnectionListener(new ConnectionListener() {
|
|
public void connectionClosed() {
|
|
// Unregister this instance since the connection has been closed
|
|
instances.remove(connection);
|
|
}
|
|
|
|
public void connectionClosedOnError(Exception e) {
|
|
// Unregister this instance since the connection has been closed
|
|
instances.remove(connection);
|
|
}
|
|
|
|
public void reconnectionSuccessful() {
|
|
// Register this instance since the connection has been
|
|
// reestablished
|
|
instances.put(connection, AdHocCommandManager.this);
|
|
}
|
|
|
|
public void reconnectingIn(int seconds) {
|
|
// Nothing to do
|
|
}
|
|
|
|
public void reconnectionFailed(Exception e) {
|
|
// Nothing to do
|
|
}
|
|
});
|
|
|
|
// Add the feature to the service discovery manage to show that this
|
|
// connection supports the AdHoc-Commands protocol.
|
|
// This information will be used when another client tries to
|
|
// discover whether this client supports AdHoc-Commands or not.
|
|
ServiceDiscoveryManager.getInstanceFor(connection).addFeature(
|
|
discoNamespace);
|
|
|
|
// Set the NodeInformationProvider that will provide information about
|
|
// which AdHoc-Commands are registered, whenever a disco request is
|
|
// received
|
|
ServiceDiscoveryManager.getInstanceFor(connection)
|
|
.setNodeInformationProvider(discoNode,
|
|
new NodeInformationProvider() {
|
|
public List<DiscoverItems.Item> getNodeItems() {
|
|
AdHocCommandManager adHocCommandManager = AdHocCommandManager
|
|
.getAddHocCommandsManager(connection);
|
|
List<DiscoverItems.Item> answer = new ArrayList<DiscoverItems.Item>();
|
|
|
|
Collection<AdHocCommandInfo> commandsList = adHocCommandManager
|
|
.getRegisteredCommands(connection);
|
|
|
|
for (AdHocCommandInfo info : commandsList) {
|
|
DiscoverItems.Item item = new DiscoverItems.Item(
|
|
info.getOwnerJID());
|
|
item.setName(info.getName());
|
|
item.setNode(info.getNode());
|
|
answer.add(item);
|
|
}
|
|
|
|
return answer;
|
|
}
|
|
|
|
public List<String> getNodeFeatures() {
|
|
return null;
|
|
}
|
|
|
|
public List<Identity> getNodeIdentities() {
|
|
return null;
|
|
}
|
|
});
|
|
|
|
// The packet listener and the filter for processing some AdHoc Commands
|
|
// Packets
|
|
PacketListener listener = new PacketListener() {
|
|
public void processPacket(Packet packet) {
|
|
AdHocCommandData requestData = (AdHocCommandData) packet;
|
|
processAdHocCommand(requestData);
|
|
}
|
|
};
|
|
|
|
PacketFilter filter = new PacketTypeFilter(AdHocCommandData.class);
|
|
connection.addPacketListener(listener, filter);
|
|
|
|
sessionsSweeper = new Thread(new Runnable() {
|
|
public void run() {
|
|
while (true) {
|
|
for (String sessionId : executingCommands.keySet()) {
|
|
LocalCommand command = executingCommands.get(sessionId);
|
|
// Since the command could be removed in the meanwhile
|
|
// of getting the key and getting the value - by a
|
|
// processed packet. We must check if it still in the
|
|
// map.
|
|
if (command != null) {
|
|
long creationStamp = command.getCreationStamp();
|
|
// Check if the Session data has expired (default is
|
|
// 10 minutes)
|
|
// To remove it from the session list it waits for
|
|
// the double of the of time out time. This is to
|
|
// let
|
|
// the requester know why his execution request is
|
|
// not accepted. If the session is removed just
|
|
// after the time out, then whe the user request to
|
|
// continue the execution he will recieved an
|
|
// invalid session error and not a time out error.
|
|
if (System.currentTimeMillis() - creationStamp > SESSION_TIMEOUT * 1000 * 2) {
|
|
// Remove the expired session
|
|
executingCommands.remove(sessionId);
|
|
}
|
|
}
|
|
}
|
|
try {
|
|
Thread.sleep(1000);
|
|
} catch (InterruptedException ie) {
|
|
}
|
|
}
|
|
}
|
|
|
|
});
|
|
sessionsSweeper.start();
|
|
}
|
|
|
|
/**
|
|
* Process the AdHoc-Command packet that request the execution of some
|
|
* action of a command. If this is the first request, this method checks,
|
|
* before executing the command, if:
|
|
* <li>The requested command exists</li>
|
|
* <li>The requester has permissions to execute it</li>
|
|
* <li>The command has more than one stage, if so, it saves the command and
|
|
* session ID for further use</li>
|
|
*
|
|
* <br>
|
|
* <br>
|
|
* If this is not the first request, this method checks, before executing
|
|
* the command, if:
|
|
* <li>The session ID of the request was stored</li>
|
|
* <li>The session life do not exceed the time out</li>
|
|
* <li>The action to execute is one of the available actions</li>
|
|
*
|
|
* @param requestData
|
|
* the packet to process.
|
|
*/
|
|
private void processAdHocCommand(AdHocCommandData requestData) {
|
|
// Only process requests of type SET
|
|
if (requestData.getType() != IQ.Type.SET) {
|
|
return;
|
|
}
|
|
|
|
// Creates the response with the corresponding data
|
|
AdHocCommandData response = new AdHocCommandData();
|
|
response.setTo(requestData.getFrom());
|
|
response.setPacketID(requestData.getPacketID());
|
|
response.setNode(requestData.getNode());
|
|
response.setId(requestData.getTo());
|
|
|
|
String sessionId = requestData.getSessionID();
|
|
String commandNode = requestData.getNode();
|
|
|
|
if (sessionId == null) {
|
|
// A new execution request has been received. Check that the
|
|
// command exists
|
|
if (!commands.containsKey(commandNode)) {
|
|
// Requested command does not exist so return
|
|
// item_not_found error.
|
|
respondError(response, XMPPError.Condition.item_not_found);
|
|
return;
|
|
}
|
|
|
|
// Create new session ID
|
|
sessionId = StringUtils.randomString(15);
|
|
|
|
try {
|
|
// Create a new instance of the command with the
|
|
// corresponding sessioid
|
|
LocalCommand command = newInstanceOfCmd(commandNode, sessionId);
|
|
|
|
response.setType(IQ.Type.RESULT);
|
|
command.setData(response);
|
|
|
|
// Check that the requester has enough permission.
|
|
// Answer forbidden error if requester permissions are not
|
|
// enough to execute the requested command
|
|
if (!command.hasPermission(requestData.getFrom())) {
|
|
respondError(response, XMPPError.Condition.forbidden);
|
|
return;
|
|
}
|
|
|
|
Action action = requestData.getAction();
|
|
|
|
// If the action is unknown then respond an error.
|
|
if (action != null && action.equals(Action.unknown)) {
|
|
respondError(response, XMPPError.Condition.bad_request,
|
|
AdHocCommand.SpecificErrorCondition.malformedAction);
|
|
return;
|
|
}
|
|
|
|
// If the action is not execute, then it is an invalid action.
|
|
if (action != null && !action.equals(Action.execute)) {
|
|
respondError(response, XMPPError.Condition.bad_request,
|
|
AdHocCommand.SpecificErrorCondition.badAction);
|
|
return;
|
|
}
|
|
|
|
// Increase the state number, so the command knows in witch
|
|
// stage it is
|
|
command.increaseStage();
|
|
// Executes the command
|
|
command.execute();
|
|
|
|
if (command.isLastStage()) {
|
|
// If there is only one stage then the command is completed
|
|
response.setStatus(Status.completed);
|
|
} else {
|
|
// Else it is still executing, and is registered to be
|
|
// available for the next call
|
|
response.setStatus(Status.executing);
|
|
executingCommands.put(sessionId, command);
|
|
}
|
|
|
|
// Sends the response packet
|
|
connection.sendPacket(response);
|
|
|
|
} catch (XMPPException e) {
|
|
// If there is an exception caused by the next, complete,
|
|
// prev or cancel method, then that error is returned to the
|
|
// requester.
|
|
XMPPError error = e.getXMPPError();
|
|
|
|
// If the error type is cancel, then the execution is
|
|
// canceled therefore the status must show that, and the
|
|
// command be removed from the executing list.
|
|
if (XMPPError.Type.CANCEL.equals(error.getType())) {
|
|
response.setStatus(Status.canceled);
|
|
executingCommands.remove(sessionId);
|
|
}
|
|
respondError(response, error);
|
|
e.printStackTrace();
|
|
}
|
|
} else {
|
|
LocalCommand command = executingCommands.get(sessionId);
|
|
|
|
// Check that a command exists for the specified sessionID
|
|
// This also handles if the command was removed in the meanwhile
|
|
// of getting the key and the value of the map.
|
|
if (command == null) {
|
|
respondError(response, XMPPError.Condition.bad_request,
|
|
AdHocCommand.SpecificErrorCondition.badSessionid);
|
|
return;
|
|
}
|
|
|
|
// Check if the Session data has expired (default is 10 minutes)
|
|
long creationStamp = command.getCreationStamp();
|
|
if (System.currentTimeMillis() - creationStamp > SESSION_TIMEOUT * 1000) {
|
|
// Remove the expired session
|
|
executingCommands.remove(sessionId);
|
|
|
|
// Answer a not_allowed error (session-expired)
|
|
respondError(response, XMPPError.Condition.not_allowed,
|
|
AdHocCommand.SpecificErrorCondition.sessionExpired);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Since the requester could send two requests for the same
|
|
* executing command i.e. the same session id, all the execution of
|
|
* the action must be synchronized to avoid inconsistencies.
|
|
*/
|
|
synchronized (command) {
|
|
Action action = requestData.getAction();
|
|
|
|
// If the action is unknown the respond an error
|
|
if (action != null && action.equals(Action.unknown)) {
|
|
respondError(response, XMPPError.Condition.bad_request,
|
|
AdHocCommand.SpecificErrorCondition.malformedAction);
|
|
return;
|
|
}
|
|
|
|
// If the user didn't specify an action or specify the execute
|
|
// action then follow the actual default execute action
|
|
if (action == null || Action.execute.equals(action)) {
|
|
action = command.getExecuteAction();
|
|
}
|
|
|
|
// Check that the specified action was previously
|
|
// offered
|
|
if (!command.isValidAction(action)) {
|
|
respondError(response, XMPPError.Condition.bad_request,
|
|
AdHocCommand.SpecificErrorCondition.badAction);
|
|
return;
|
|
}
|
|
|
|
try {
|
|
// TODO Check that all the requierd fields of the form are
|
|
// filled, if not throw an exception. This will simplify the
|
|
// construction of new commands
|
|
|
|
// Since all errors were passed, the response is now a
|
|
// result
|
|
response.setType(IQ.Type.RESULT);
|
|
|
|
// Set the new data to the command.
|
|
command.setData(response);
|
|
|
|
if (Action.next.equals(action)) {
|
|
command.increaseStage();
|
|
command.next(new Form(requestData.getForm()));
|
|
if (command.isLastStage()) {
|
|
// If it is the last stage then the command is
|
|
// completed
|
|
response.setStatus(Status.completed);
|
|
} else {
|
|
// Otherwise it is still executing
|
|
response.setStatus(Status.executing);
|
|
}
|
|
} else if (Action.complete.equals(action)) {
|
|
command.increaseStage();
|
|
command.complete(new Form(requestData.getForm()));
|
|
response.setStatus(Status.completed);
|
|
// Remove the completed session
|
|
executingCommands.remove(sessionId);
|
|
} else if (Action.prev.equals(action)) {
|
|
command.decreaseStage();
|
|
command.prev();
|
|
} else if (Action.cancel.equals(action)) {
|
|
command.cancel();
|
|
response.setStatus(Status.canceled);
|
|
// Remove the canceled session
|
|
executingCommands.remove(sessionId);
|
|
}
|
|
|
|
connection.sendPacket(response);
|
|
} catch (XMPPException e) {
|
|
// If there is an exception caused by the next, complete,
|
|
// prev or cancel method, then that error is returned to the
|
|
// requester.
|
|
XMPPError error = e.getXMPPError();
|
|
|
|
// If the error type is cancel, then the execution is
|
|
// canceled therefore the status must show that, and the
|
|
// command be removed from the executing list.
|
|
if (XMPPError.Type.CANCEL.equals(error.getType())) {
|
|
response.setStatus(Status.canceled);
|
|
executingCommands.remove(sessionId);
|
|
}
|
|
respondError(response, error);
|
|
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Responds an error with an specific condition.
|
|
*
|
|
* @param response
|
|
* the response to send
|
|
* @param condition
|
|
* the condition of the error
|
|
*/
|
|
private void respondError(AdHocCommandData response,
|
|
XMPPError.Condition condition) {
|
|
respondError(response, new XMPPError(condition));
|
|
}
|
|
|
|
/**
|
|
* Responds an error with an specific condition.
|
|
*
|
|
* @param response
|
|
* the response to send
|
|
* @param condition
|
|
* the condition of the error
|
|
*/
|
|
private void respondError(AdHocCommandData response,
|
|
XMPPError.Condition condition,
|
|
AdHocCommand.SpecificErrorCondition specificCondition) {
|
|
XMPPError error = new XMPPError(condition);
|
|
error
|
|
.addExtension(new AdHocCommandData.SpecificError(
|
|
specificCondition));
|
|
respondError(response, error);
|
|
}
|
|
|
|
/**
|
|
* Responds an error with an specific error.
|
|
*
|
|
* @param response
|
|
* the response to send
|
|
* @param condition
|
|
* the condition of the error
|
|
*/
|
|
private void respondError(AdHocCommandData response, XMPPError error) {
|
|
response.setType(IQ.Type.ERROR);
|
|
response.setError(error);
|
|
connection.sendPacket(response);
|
|
}
|
|
|
|
/**
|
|
* Creates a new instance of a command to be used by a new execution request
|
|
*
|
|
* @param commandNode
|
|
* the command node that identifies it.
|
|
* @param sessionID
|
|
* the session id of this execution.
|
|
* @return the command instance to execute.
|
|
* @throws XMPPException
|
|
* if there is problem creating the new instance
|
|
*/
|
|
private LocalCommand newInstanceOfCmd(String commandNode, String sessionID)
|
|
throws XMPPException {
|
|
// TODO Evaluate the possibility of using a factory for creating the new
|
|
// instances.
|
|
AdHocCommandInfo commandInfo = commands.get(commandNode);
|
|
LocalCommand command = null;
|
|
try {
|
|
command = (LocalCommand) commandInfo.getCmdClass().newInstance();
|
|
command.setSessionID(sessionID);
|
|
command.setName(commandInfo.getName());
|
|
command.setNode(commandInfo.getNode());
|
|
} catch (InstantiationException e) {
|
|
e.printStackTrace();
|
|
throw new XMPPException(new XMPPError(
|
|
XMPPError.Condition.interna_server_error));
|
|
} catch (IllegalAccessException e) {
|
|
e.printStackTrace();
|
|
throw new XMPPException(new XMPPError(
|
|
XMPPError.Condition.interna_server_error));
|
|
}
|
|
return command;
|
|
}
|
|
|
|
/**
|
|
* Returns the registered commands of this command manager, which is related
|
|
* to a connection.
|
|
*
|
|
* @param connection
|
|
* @return
|
|
*/
|
|
private Collection<AdHocCommandInfo> getRegisteredCommands(
|
|
XMPPConnection connection) {
|
|
return commands.values();
|
|
}
|
|
|
|
/**
|
|
* Register a new command to this command manager, which is related to a
|
|
* connection. The <code>node</code> is an unique identifier of that
|
|
* command for the connection related to this command manager. The
|
|
* <code>name</name> is the human readable name of the command.
|
|
* The <code>class</code> is the class of the command
|
|
* @param node the unique identifier of the command.
|
|
* @param name the human readable name of the command.
|
|
* @param clazz the class of the command.
|
|
*/
|
|
public void registerCommand(String node, final String name, Class clazz) {
|
|
AdHocCommandInfo commandInfo = new AdHocCommandInfo(node, name,
|
|
connection.getUser(), clazz);
|
|
|
|
commands.put(node, commandInfo);
|
|
// Set the NodeInformationProvider that will provide information about
|
|
// the added command
|
|
ServiceDiscoveryManager.getInstanceFor(connection)
|
|
.setNodeInformationProvider(node,
|
|
new NodeInformationProvider() {
|
|
public List<DiscoverItems.Item> getNodeItems() {
|
|
return null;
|
|
}
|
|
|
|
public List<String> getNodeFeatures() {
|
|
List<String> answer = new ArrayList<String>();
|
|
answer
|
|
.add("http://jabber.org/protocol/commands");
|
|
// TODO check if this service is provided by the
|
|
// current connection.
|
|
answer.add("jabber:x:data");
|
|
return answer;
|
|
}
|
|
|
|
public List<DiscoverInfo.Identity> getNodeIdentities() {
|
|
List<DiscoverInfo.Identity> answer = new ArrayList<DiscoverInfo.Identity>();
|
|
DiscoverInfo.Identity identity = new DiscoverInfo.Identity(
|
|
"automation", name);
|
|
identity.setType("command-node");
|
|
answer.add(identity);
|
|
return answer;
|
|
}
|
|
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Discover the commands of an specific JID. The <code>jid</code> is a
|
|
* full JID
|
|
*
|
|
* @param jid
|
|
* the full JID to retrieve the commands for.
|
|
* @return the discovered items
|
|
* @throws XMPPException
|
|
* if the operation failed for some reason.
|
|
*/
|
|
public DiscoverItems discoverCommands(String jid) throws XMPPException {
|
|
ServiceDiscoveryManager serviceDiscoveryManager = ServiceDiscoveryManager
|
|
.getInstanceFor(connection);
|
|
return serviceDiscoveryManager.discoverItems(jid, discoNode);
|
|
}
|
|
|
|
/**
|
|
* Publish the commands to an specific JID.
|
|
*
|
|
* @param jid
|
|
* the full JID to publish the commands to.
|
|
* @throws XMPPException
|
|
* if the operation failed for some reason.
|
|
*/
|
|
public void publishCommands(String jid) throws XMPPException {
|
|
ServiceDiscoveryManager serviceDiscoveryManager = ServiceDiscoveryManager
|
|
.getInstanceFor(connection);
|
|
|
|
// Collects the commands to publish as items
|
|
AdHocCommandManager adHocCommandManager = AdHocCommandManager
|
|
.getAddHocCommandsManager(connection);
|
|
DiscoverItems discoverItems = new DiscoverItems();
|
|
Collection<AdHocCommandInfo> xCommandsList = adHocCommandManager
|
|
.getRegisteredCommands(connection);
|
|
|
|
for (AdHocCommandInfo info : xCommandsList) {
|
|
DiscoverItems.Item item = new DiscoverItems.Item(info.getOwnerJID());
|
|
item.setName(info.getName());
|
|
item.setNode(info.getNode());
|
|
discoverItems.addItem(item);
|
|
}
|
|
|
|
serviceDiscoveryManager.publishItems(jid, discoNode, discoverItems);
|
|
}
|
|
|
|
/**
|
|
* Returns a command that represents an instance of a command in a remote
|
|
* host. It is used to execute remote commands. The concept is similar to
|
|
* RMI. Every invocation on this command is equivalent to an invocation in
|
|
* the remote command.
|
|
*
|
|
* @param jid
|
|
* the full JID of the host of the remote command
|
|
* @param node
|
|
* the identifier of the command
|
|
* @return a local instance equivalent to the remote command.
|
|
*/
|
|
public RemoteCommand getRemoteCommand(String jid, String node) {
|
|
return new RemoteCommand(connection, node, jid);
|
|
}
|
|
|
|
/**
|
|
* The ad-hoc command information.
|
|
*
|
|
* @author Gabriel
|
|
*
|
|
*/
|
|
private static class AdHocCommandInfo {
|
|
|
|
private String node;
|
|
|
|
private String name;
|
|
|
|
private String ownerJID;
|
|
|
|
private Class cmdClass;
|
|
|
|
public AdHocCommandInfo(String node, String name, String ownerJID,
|
|
Class cmdClass) {
|
|
this.node = node;
|
|
this.name = name;
|
|
this.ownerJID = ownerJID;
|
|
this.cmdClass = cmdClass;
|
|
}
|
|
|
|
public Class getCmdClass() {
|
|
return cmdClass;
|
|
}
|
|
|
|
public String getName() {
|
|
return name;
|
|
}
|
|
|
|
public String getNode() {
|
|
return node;
|
|
}
|
|
|
|
public String getOwnerJID() {
|
|
return ownerJID;
|
|
}
|
|
}
|
|
}
|