Fixed null pointers for getName

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/Info.java

@@ -31,6 +31,7 @@ import com.intellectualcrafters.plot.object.PlotWorld;
 import com.intellectualcrafters.plot.util.PlayerFunctions;
 import com.intellectualcrafters.plot.util.PlotHelper;
 import com.intellectualcrafters.plot.util.UUIDHandler;
+
 import org.apache.commons.lang.StringUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
@@ -228,7 +229,11 @@ import java.util.UUID;
          * OfflinePlayer plr = Bukkit.getOfflinePlayer(uuid); if (plr.getName()
          * == null) { return "unknown"; } return plr.getName();
          */
-        return UUIDHandler.getName(uuid);
+        String name = UUIDHandler.getName(uuid);
+        if (name == null) {
+            return "unknown";
+        }
+        return name;
     }
 
     private Biome getBiomeAt(final Plot plot) {

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/list.java

@@ -47,10 +47,6 @@ public class list extends SubCommand {
         if (id == null) {
             return "none";
         }
-        /*
-         * String name = Bukkit.getOfflinePlayer(id).getName(); if (name ==
-         * null) { return "none"; } return name;
-         */
         String name = UUIDHandler.getName(id);
         if (name == null) {
             return "unknown";

PlotSquared/src/main/java/com/intellectualcrafters/plot/listeners/PlotListener.java

@@ -30,6 +30,7 @@ import com.intellectualcrafters.plot.flag.FlagManager;
 import com.intellectualcrafters.plot.object.*;
 import com.intellectualcrafters.plot.util.PlayerFunctions;
 import com.intellectualcrafters.plot.util.UUIDHandler;
+
 import org.bukkit.*;
 import org.bukkit.block.Biome;
 import org.bukkit.block.Block;
@@ -68,8 +69,15 @@ import java.util.UUID;
         return PlotMain.getWorldSettings(world);
     }
 
-    public static String getName(final UUID uuid) {
+    private static String getName(final UUID id) {
-        return UUIDHandler.getName(uuid);
+        if (id == null) {
+            return "none";
+        }
+        String name = UUIDHandler.getName(id);
+        if (name == null) {
+            return "unknown";
+        }
+        return name;
     }
 
     public static UUID getUUID(final String name) {

PlotSquared/src/main/java/com/intellectualcrafters/plot/object/InfoInventory.java

@@ -1,6 +1,7 @@
 package com.intellectualcrafters.plot.object;
 
 import com.intellectualcrafters.plot.util.UUIDHandler;
+
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.Material;
@@ -12,6 +13,7 @@ import org.bukkit.inventory.meta.ItemMeta;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.UUID;
 
 /**
  * Created 2014-11-18 for PlotSquared
@@ -39,9 +41,17 @@ public class InfoInventory implements InventoryHolder {
     public Inventory getInventory() {
         return this.inventory;
     }
+    
+    public String getName(UUID uuid) {
+        String name = UUIDHandler.getName(this.plot.getOwner());
+        if (name == null) {
+            return "unknown";
+        }
+        return name;
+    }
 
     public InfoInventory build() {
-        final ItemStack generalInfo = getItem(Material.EMERALD, "&cPlot Info", "&cID: &6" + this.plot.getId().toString(), "&cOwner: &6" + UUIDHandler.getName(this.plot.getOwner()), "&cAlias: &6" + this.plot.settings.getAlias(), "&cBiome: &6" + this.plot.settings.getBiome().toString().replaceAll("_", "").toLowerCase(), "&cCan Build: &6" + this.plot.hasRights(this.player), "&cIs Denied: &6" + this.plot.deny_entry(this.player));
+        final ItemStack generalInfo = getItem(Material.EMERALD, "&cPlot Info", "&cID: &6" + this.plot.getId().toString(), "&cOwner: &6" + getName(this.plot.getOwner()), "&cAlias: &6" + this.plot.settings.getAlias(), "&cBiome: &6" + this.plot.settings.getBiome().toString().replaceAll("_", "").toLowerCase(), "&cCan Build: &6" + this.plot.hasRights(this.player), "&cIs Denied: &6" + this.plot.deny_entry(this.player));
         final ItemStack helpers = getItem(Material.EMERALD, "&cHelpers", "&cAmount: &6" + this.plot.helpers.size(), "&8Click to view a list of the plot helpers");
         final ItemStack trusted = getItem(Material.EMERALD, "&cTrusted", "&cAmount: &6" + this.plot.trusted.size(), "&8Click to view a list of trusted players");
         final ItemStack denied = getItem(Material.EMERALD, "&cDenied", "&cAmount: &6" + this.plot.denied.size(), "&8Click to view a list of denied players");

PlotSquared/src/main/java/com/intellectualcrafters/plot/util/PlotHelper.java

@@ -251,7 +251,10 @@ import java.util.UUID;
     }
 
     @SuppressWarnings("deprecation")
-    public static void setSign(final World world, final String name, final Plot p) {
+    public static void setSign(final World world, String name, final Plot p) {
+        if (name == null) {
+            name = "unknown";
+        }
         final PlotManager manager = PlotMain.getPlotManager(world);
         final PlotWorld plotworld = PlotMain.getWorldSettings(world);
         final Location loc = manager.getSignLoc(world, plotworld, p);