Moves a bunch of inner classes to their own files

src/main/java/net/knarcraft/stargate/thread/StarGateThread.java

@@ -0,0 +1,37 @@
+package net.knarcraft.stargate.thread;
+
+import net.knarcraft.stargate.Portal;
+import net.knarcraft.stargate.Stargate;
+
+import java.util.Iterator;
+
+/**
+ * This class contains the function used to close servers which should no longer be open/active
+ */
+public class StarGateThread implements Runnable {
+
+    public void run() {
+        long time = System.currentTimeMillis() / 1000;
+        // Close open portals
+        for (Iterator<Portal> iterator = Stargate.openList.iterator(); iterator.hasNext(); ) {
+            Portal p = iterator.next();
+            // Skip always open gates
+            if (p.isAlwaysOn()) continue;
+            if (!p.isOpen()) continue;
+            if (time > p.getOpenTime() + Stargate.getOpenTime()) {
+                p.close(false);
+                iterator.remove();
+            }
+        }
+        // Deactivate active portals
+        for (Iterator<Portal> iterator = Stargate.activeList.iterator(); iterator.hasNext(); ) {
+            Portal p = iterator.next();
+            if (!p.isActive()) continue;
+            if (time > p.getOpenTime() + Stargate.getActiveTime()) {
+                p.deactivate();
+                iterator.remove();
+            }
+        }
+    }
+
+}