Follow some IDEA advice

Author: mbax

src/main/java/org/kitteh/irc/client/library/command/Command.java

@@ -63,6 +63,7 @@ public Tags clear() {
             return this;
         }
 
+        @SuppressWarnings("unchecked")
         public C then() {
             return (C) Command.this;
         }

src/main/java/org/kitteh/irc/client/library/defaults/feature/FilteringSubscriptionFactory.java

@@ -66,7 +66,7 @@ protected IMessageDispatcher buildDispatcher(SubscriptionContext context, IHandl
             }
         }
         if (!filterWrappers.isEmpty()) {
-            dispatcher = new FilteredMessageDispatcher(dispatcher, filterWrappers.toArray(new FilterProcessorWrapper[filterWrappers.size()]));
+            dispatcher = new FilteredMessageDispatcher(dispatcher, filterWrappers.toArray(new FilterProcessorWrapper[0]));
         }
         return dispatcher;
     }

src/main/java/org/kitteh/irc/client/library/defaults/listener/DefaultAwayListener.java

@@ -62,7 +62,7 @@ public void away(ClientReceiveCommandEvent event) {
             this.trackException(event, "AWAY message from something other than a user");
             return;
         }
-        String awayMessage = event.getParameters().isEmpty() ? null : StringUtil.combineSplit(event.getParameters().toArray(new String[event.getParameters().size()]), 0);
+        String awayMessage = event.getParameters().isEmpty() ? null : StringUtil.combineSplit(event.getParameters().toArray(new String[0]), 0);
         this.fire(new UserAwayMessageEvent(this.getClient(), event.getSource(), (User) event.getActor(), awayMessage));
         this.getTracker().setUserAway(((User) event.getActor()).getNick(), awayMessage);
     }

src/main/java/org/kitteh/irc/client/library/defaults/listener/DefaultModeListener.java

@@ -70,7 +70,7 @@ public void channelMode(ClientReceiveNumericEvent event) {
         }
         ModeStatusList<ChannelMode> statusList;
         try {
-            statusList = DefaultModeStatusList.fromChannel(this.getClient(), StringUtil.combineSplit(event.getParameters().toArray(new String[event.getParameters().size()]), 2));
+            statusList = DefaultModeStatusList.fromChannel(this.getClient(), StringUtil.combineSplit(event.getParameters().toArray(new String[0]), 2));
         } catch (IllegalArgumentException e) {
             this.trackException(event, e.getMessage());
             return;
@@ -89,7 +89,7 @@ public void mode(ClientReceiveCommandEvent event) {
         if (messageTargetInfo instanceof MessageTargetInfo.Private) {
             ModeStatusList<UserMode> statusList;
             try {
-                statusList = DefaultModeStatusList.fromUser(this.getClient(), StringUtil.combineSplit(event.getParameters().toArray(new String[event.getParameters().size()]), 1));
+                statusList = DefaultModeStatusList.fromUser(this.getClient(), StringUtil.combineSplit(event.getParameters().toArray(new String[0]), 1));
             } catch (IllegalArgumentException e) {
                 this.trackException(event, e.getMessage());
                 return;
@@ -100,7 +100,7 @@ public void mode(ClientReceiveCommandEvent event) {
             Channel channel = ((MessageTargetInfo.ChannelInfo) messageTargetInfo).getChannel();
             ModeStatusList<ChannelMode> statusList;
             try {
-                statusList = DefaultModeStatusList.fromChannel(this.getClient(), StringUtil.combineSplit(event.getParameters().toArray(new String[event.getParameters().size()]), 1));
+                statusList = DefaultModeStatusList.fromChannel(this.getClient(), StringUtil.combineSplit(event.getParameters().toArray(new String[0]), 1));
             } catch (IllegalArgumentException e) {
                 this.trackException(event, e.getMessage());
                 return;

src/main/java/org/kitteh/irc/client/library/defaults/listener/DefaultUserModeListener.java

@@ -60,7 +60,7 @@ public void umode(ClientReceiveNumericEvent event) {
         }
         ModeStatusList<UserMode> modes;
         try {
-            modes = DefaultModeStatusList.fromUser(this.getClient(), StringUtil.combineSplit(event.getParameters().toArray(new String[event.getParameters().size()]), 1));
+            modes = DefaultModeStatusList.fromUser(this.getClient(), StringUtil.combineSplit(event.getParameters().toArray(new String[0]), 1));
         } catch (IllegalArgumentException e) {
             this.trackException(event, e.getMessage());
             return;