Mercury-IM/Smack
Mercury-IM/Smack
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Code Issues Releases Wiki Activity

Simplified Roster

Browse source 
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.
This commit is contained in:
Florian Schmaus 2014-04-29 14:12:49 +02:00
parent 2375c59791
commit 9fd0961c32
2 changed files with 34 additions and 60 deletions
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81
smack-core/src/main/java/org/jivesoftware/smack/Roster.java
View file

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

5
smack-tcp/src/test/java/org/jivesoftware/smack/RosterOfflineTest.java
View file

@ -46,11 +46,6 @@ public class RosterOfflineTest {
roster.createEntry("test", "test", null);
}
@Test(expected = SmackException.class)
public void shouldThrowExceptionOnCreateGroup() throws Exception {
roster.createGroup("test");
}
@Test(expected = SmackException.class)
public void shouldThrowExceptionOnReload() throws Exception {
roster.reload();