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https://github.com/vanitasvitae/Smack.git
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Simplified Roster
Removed some throw declarations from methods, so some try/catch blocks could be removed. Use switch/case instead of if/else if. Make members final when possible. Add logger statements in case of error IQ result and remove superfluous check of instanceof IQ.
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2375c59791
commit
9fd0961c32
2 changed files with 34 additions and 60 deletions
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@ -71,15 +71,15 @@ public class Roster {
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private final XMPPConnection connection;
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private final RosterStore rosterStore;
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private final Map<String, RosterGroup> groups;
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private final Map<String,RosterEntry> entries;
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private final List<RosterEntry> unfiledEntries;
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private final List<RosterListener> rosterListeners;
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private Map<String, Map<String, Presence>> presenceMap;
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private final Map<String, RosterGroup> groups = new ConcurrentHashMap<String, RosterGroup>();
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private final Map<String,RosterEntry> entries = new ConcurrentHashMap<String,RosterEntry>();
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private final List<RosterEntry> unfiledEntries = new CopyOnWriteArrayList<RosterEntry>();
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private final List<RosterListener> rosterListeners = new CopyOnWriteArrayList<RosterListener>();
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private final Map<String, Map<String, Presence>> presenceMap = new ConcurrentHashMap<String, Map<String, Presence>>();
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// The roster is marked as initialized when at least a single roster packet
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// has been received and processed.
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boolean rosterInitialized = false;
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private PresencePacketListener presencePacketListener;
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private final PresencePacketListener presencePacketListener = new PresencePacketListener();
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private SubscriptionMode subscriptionMode = getDefaultSubscriptionMode();
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@ -115,17 +115,11 @@ public class Roster {
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Roster(final XMPPConnection connection) {
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this.connection = connection;
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rosterStore = connection.getConfiguration().getRosterStore();
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groups = new ConcurrentHashMap<String, RosterGroup>();
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unfiledEntries = new CopyOnWriteArrayList<RosterEntry>();
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entries = new ConcurrentHashMap<String,RosterEntry>();
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rosterListeners = new CopyOnWriteArrayList<RosterListener>();
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presenceMap = new ConcurrentHashMap<String, Map<String, Presence>>();
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// Listen for any roster packets.
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PacketFilter rosterFilter = new PacketTypeFilter(RosterPacket.class);
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connection.addPacketListener(new RosterPushListener(), rosterFilter);
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// Listen for any presence packets.
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PacketFilter presenceFilter = new PacketTypeFilter(Presence.class);
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presencePacketListener = new PresencePacketListener();
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connection.addPacketListener(presencePacketListener, presenceFilter);
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// Listen for connection events
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@ -226,7 +220,6 @@ public class Roster {
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throw new IllegalStateException("Anonymous users can't have a roster.");
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}
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RosterPacket packet = new RosterPacket();
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if (rosterStore != null && connection.isRosterVersioningSupported()) {
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packet.setVersion(rosterStore.getRosterVersion());
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@ -266,13 +259,9 @@ public class Roster {
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*
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* @param name the name of the group.
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* @return a new group, or null if the group already exists
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* @throws NotLoggedInException If not logged in.
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* @throws IllegalStateException if logged in anonymously
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*/
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public RosterGroup createGroup(String name) throws NotLoggedInException {
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if (!connection.isAuthenticated()) {
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throw new NotLoggedInException();
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}
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public RosterGroup createGroup(String name) {
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if (connection.isAnonymous()) {
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throw new IllegalStateException("Anonymous users can't have a roster.");
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}
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@ -293,12 +282,10 @@ public class Roster {
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* @param name the nickname of the user.
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* @param groups the list of group names the entry will belong to, or <tt>null</tt> if the
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* the roster entry won't belong to a group.
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* @throws NotLoggedInException
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* @throws NoResponseException if there was no response from the server.
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* @throws XMPPErrorException if an XMPP exception occurs.
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* @throws NotLoggedInException If not logged in.
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* @throws NotConnectedException
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* @throws IllegalStateException if logged in anonymously
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*/
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public void createEntry(String user, String name, String[] groups) throws NotLoggedInException, NoResponseException, XMPPErrorException, NotConnectedException {
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if (!connection.isAuthenticated()) {
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@ -695,7 +682,7 @@ public class Roster {
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private void addUpdateEntry(Collection<String> addedEntries,
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Collection<String> updatedEntries, RosterPacket.Item item,
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RosterEntry entry) throws SmackException {
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RosterEntry entry){
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RosterEntry oldEntry = entries.put(item.getUser(), entry);
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if (oldEntry == null) {
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addedEntries.add(item.getUser());
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@ -889,19 +876,25 @@ public class Roster {
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}
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}
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else if (presence.getType() == Presence.Type.subscribe) {
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if (subscriptionMode == SubscriptionMode.accept_all) {
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Presence response = null;
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switch (subscriptionMode) {
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case accept_all:
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// Accept all subscription requests.
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Presence response = new Presence(Presence.Type.subscribed);
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response.setTo(presence.getFrom());
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connection.sendPacket(response);
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}
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else if (subscriptionMode == SubscriptionMode.reject_all) {
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response = new Presence(Presence.Type.subscribed);
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break;
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case reject_all:
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// Reject all subscription requests.
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Presence response = new Presence(Presence.Type.unsubscribed);
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response = new Presence(Presence.Type.unsubscribed);
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break;
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case manual:
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default:
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// Otherwise, in manual mode so ignore.
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break;
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}
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if (response != null) {
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response.setTo(presence.getFrom());
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connection.sendPacket(response);
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}
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// Otherwise, in manual mode so ignore.
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}
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else if (presence.getType() == Presence.Type.unsubscribe) {
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if (subscriptionMode != SubscriptionMode.manual) {
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@ -951,11 +944,10 @@ public class Roster {
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@Override
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public void processPacket(Packet packet) {
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connection.removePacketListener(this);
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if (!(packet instanceof IQ)) {
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return;
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}
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IQ result = (IQ)packet;
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if (!result.getType().equals(IQ.Type.RESULT)) {
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LOGGER.severe("Roster result IQ not of type result");
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return;
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}
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@ -963,14 +955,11 @@ public class Roster {
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Collection<String> updatedEntries = new ArrayList<String>();
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Collection<String> deletedEntries = new ArrayList<String>();
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try {
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if (packet instanceof RosterPacket) {
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nonemptyResult((RosterPacket) packet, addedEntries, updatedEntries, deletedEntries);
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} else {
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emptyResult(addedEntries, updatedEntries);
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}
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} catch (SmackException e) {
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return;
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if (packet instanceof RosterPacket) {
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nonemptyResult((RosterPacket) packet, addedEntries, updatedEntries, deletedEntries);
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}
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else {
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emptyResult(addedEntries, updatedEntries);
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}
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synchronized (Roster.this) {
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@ -981,7 +970,7 @@ public class Roster {
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fireRosterChangedEvent(addedEntries, updatedEntries, deletedEntries);
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}
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private void emptyResult(Collection<String> addedEntries, Collection<String> updatedEntries) throws SmackException {
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private void emptyResult(Collection<String> addedEntries, Collection<String> updatedEntries) {
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for(RosterPacket.Item item : rosterStore.getEntries()){
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RosterEntry entry = new RosterEntry(item.getUser(), item.getName(),
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item.getItemType(), item.getItemStatus(), Roster.this, connection);
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@ -990,7 +979,7 @@ public class Roster {
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}
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private void addEntries(Collection<String> addedEntries, Collection<String> updatedEntries,
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Collection<String> deletedEntries, String version, Collection<Item> items) throws SmackException {
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Collection<String> deletedEntries, String version, Collection<Item> items) {
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for (RosterPacket.Item item : items) {
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RosterEntry entry = new RosterEntry(item.getUser(), item.getName(),
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item.getItemType(), item.getItemStatus(), Roster.this, connection);
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@ -1014,8 +1003,7 @@ public class Roster {
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}
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private void nonemptyResult(RosterPacket packet, Collection<String> addedEntries,
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Collection<String> updatedEntries, Collection<String> deletedEntries)
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throws SmackException {
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Collection<String> updatedEntries, Collection<String> deletedEntries) {
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RosterPacket rosterPacket = (RosterPacket) packet;
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String version = rosterPacket.getVersion();
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@ -1032,8 +1020,6 @@ public class Roster {
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removeEmptyGroups();
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}
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}
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/**
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@ -1068,12 +1054,7 @@ public class Roster {
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Collection<String> deletedEntries = new ArrayList<String>();
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Item item = items.iterator().next();
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try {
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processPushItem(addedEntries, updatedEntries, deletedEntries, version, item);
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}
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catch (SmackException e) {
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return;
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}
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processPushItem(addedEntries, updatedEntries, deletedEntries, version, item);
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connection.sendPacket(IQ.createResultIQ(rosterPacket));
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@ -1084,7 +1065,7 @@ public class Roster {
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}
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private void processPushItem(Collection<String> addedEntries, Collection<String> updatedEntries,
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Collection<String> deletedEntries, String version, Item item) throws SmackException {
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Collection<String> deletedEntries, String version, Item item) {
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RosterEntry entry = new RosterEntry(item.getUser(), item.getName(),
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item.getItemType(), item.getItemStatus(), Roster.this, connection);
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@ -1101,7 +1082,5 @@ public class Roster {
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}
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}
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}
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}
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}
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@ -46,11 +46,6 @@ public class RosterOfflineTest {
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roster.createEntry("test", "test", null);
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}
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@Test(expected = SmackException.class)
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public void shouldThrowExceptionOnCreateGroup() throws Exception {
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roster.createGroup("test");
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}
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@Test(expected = SmackException.class)
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public void shouldThrowExceptionOnReload() throws Exception {
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roster.reload();
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