Add teleport flag

Core/src/main/java/com/intellectualcrafters/plot/commands/MainCommand.java

@@ -225,9 +225,16 @@ public class MainCommand extends Command {
         }
         try {
             super.execute(player, args, confirm, whenDone);
+        } catch (CommandException e) {
+            throw e;
         } catch (Throwable e) {
             e.printStackTrace();
-            C.ERROR.send(player, e.getLocalizedMessage());
+            String message = e.getLocalizedMessage();
+            if (message != null) {
+                C.ERROR.send(player, message);
+            } else {
+                C.ERROR.send(player);
+            }
         }
         // Reset command scope //
         if (tp && !(player instanceof ConsolePlayer)) {

Core/src/main/java/com/intellectualcrafters/plot/flag/EnumFlag.java

@@ -0,0 +1,31 @@
+package com.intellectualcrafters.plot.flag;
+
+import com.intellectualcrafters.plot.util.StringMan;
+import java.util.Arrays;
+import java.util.HashSet;
+
+public class EnumFlag extends Flag<String> {
+    private final HashSet<String> values;
+
+    public EnumFlag(String name, String... values) {
+        super(name);
+        this.values = new HashSet<>(Arrays.asList(values));
+    }
+
+    @Override
+    public String valueToString(Object value) {
+        return value.toString();
+    }
+
+    @Override public String parseValue(String value) {
+        value = value.toLowerCase();
+        if (values.contains(value)) {
+            return value;
+        }
+        return null;
+    }
+
+    @Override public String getValueDescription() {
+        return "Must be one of: " + StringMan.getString(values);
+    }
+}

Core/src/main/java/com/intellectualcrafters/plot/flag/Flags.java

@@ -6,7 +6,6 @@ import com.intellectualcrafters.plot.object.PlotArea;
 import com.intellectualcrafters.plot.object.RunnableVal;
 import com.intellectualcrafters.plot.util.MainUtil;
 import com.intellectualcrafters.plot.util.MathMan;
-
 import java.lang.reflect.Field;
 import java.util.Collection;
 import java.util.Collections;
@@ -114,6 +113,8 @@ public final class Flags {
         }
     };
     public static final BooleanFlag SLEEP = new BooleanFlag("sleep");
+    public static final TeleportDenyFlag DENY_TELEPORT = new TeleportDenyFlag("teleport-deny");
+
 
     private static final HashMap<String, Flag<?>> flags;
     static {

Core/src/main/java/com/intellectualcrafters/plot/flag/TeleportDenyFlag.java

@@ -0,0 +1,38 @@
+package com.intellectualcrafters.plot.flag;
+
+import com.intellectualcrafters.plot.object.Plot;
+import com.intellectualcrafters.plot.object.PlotPlayer;
+
+public class TeleportDenyFlag extends EnumFlag {
+    public TeleportDenyFlag(String name) {
+        super(name, "trusted", "members", "nonmembers", "nontrusted", "nonowners");
+    }
+
+    public boolean allowsTeleport(PlotPlayer player, Plot plot) {
+        String value = plot.getFlag(this, null);
+        if (value == null || !plot.hasOwner()) {
+            return true;
+        }
+        boolean result;
+        switch (plot.getFlag(this, null)) {
+            case "trusted":
+                result = !plot.getTrusted().contains(player.getUUID());
+                break;
+            case "members":
+                result =!plot.getMembers().contains(player.getUUID());
+                break;
+            case "nonmembers":
+                result =!plot.isAdded(player.getUUID());
+                break;
+            case "nontrusted":
+                result =!plot.getTrusted().contains(player.getUUID()) && !plot.isOwner(player.getUUID());
+                break;
+            case "nonowners":
+                result =!plot.isOwner(player.getUUID());
+                break;
+            default:
+                return true;
+        }
+        return result || player.hasPermission("plots.admin.entry.denied");
+    }
+}

Core/src/main/java/com/intellectualcrafters/plot/object/Plot.java

@@ -1109,6 +1109,15 @@ public class Plot {
         return loc;
     }
 
+    public Location getSide() {
+        RegionWrapper largest = getLargestRegion();
+        int x = (largest.maxX >> 1) - (largest.minX >> 1) + largest.minX;
+        int z = largest.minZ - 1;
+        PlotManager manager = getManager();
+        int y = Math.max(WorldUtil.IMP.getHighestBlock(area.worldname, x, z), manager.getSignLoc(area, this).getY());
+        return new Location(area.worldname, x, y + 1, z);
+    }
+
     /**
      * Return the home location for the plot
      * @return Home location
@@ -1169,12 +1178,7 @@ public class Plot {
             return new Location(plot.area.worldname, x, y + 1, z);
         }
         // Side
-        RegionWrapper largest = plot.getLargestRegion();
-        int x = (largest.maxX >> 1) - (largest.minX >> 1) + largest.minX;
-        int z = largest.minZ - 1;
-        PlotManager manager = plot.getManager();
-        int y = Math.max(WorldUtil.IMP.getHighestBlock(plot.area.worldname, x, z), manager.getSignLoc(plot.area, plot).getY());
-        return new Location(plot.area.worldname, x, y + 1, z);
+        return plot.getSide();
     }
 
     public double getVolume() {