Revert to Guava 17's firstNonNull.

Deprecated but Spigot doesn't include guava18 yet.

build.gradle

@@ -21,7 +21,7 @@ buildscript {
 
     configurations.all {
         resolutionStrategy {
-            force 'com.google.guava:guava:18.0'
+            force 'com.google.guava:guava:17.0'
         }
     }
 

worldedit-core/build.gradle

@@ -5,7 +5,7 @@ dependencies {
     compile 'de.schlichtherle:truezip:6.8.3'
     compile 'rhino:js:1.7R2'
     compile 'org.yaml:snakeyaml:1.9'
-    compile 'com.google.guava:guava:18.0'
+    compile 'com.google.guava:guava:17.0'
     compile 'com.sk89q:jchronic:0.2.4a'
     compile 'com.google.code.findbugs:jsr305:1.3.9'
     compile 'com.thoughtworks.paranamer:paranamer:2.6'

worldedit-core/src/main/java/com/sk89q/worldedit/command/argument/ReplaceParser.java

@@ -30,7 +30,7 @@ import com.sk89q.worldedit.function.pattern.Pattern;
 import com.sk89q.worldedit.util.command.argument.CommandArgs;
 import com.sk89q.worldedit.util.command.composition.SimpleCommand;
 
-import static com.google.common.base.MoreObjects.firstNonNull;
+import static com.google.common.base.Objects.firstNonNull;
 
 public class ReplaceParser extends SimpleCommand<Contextual<? extends RegionFunction>> {
 

worldedit-core/src/main/java/com/sk89q/worldedit/function/factory/Apply.java

@@ -19,7 +19,6 @@
 
 package com.sk89q.worldedit.function.factory;
 
-import com.google.common.base.MoreObjects;
 import com.sk89q.worldedit.function.Contextual;
 import com.sk89q.worldedit.function.EditContext;
 import com.sk89q.worldedit.function.RegionFunction;
@@ -28,6 +27,7 @@ import com.sk89q.worldedit.function.visitor.RegionVisitor;
 import com.sk89q.worldedit.regions.NullRegion;
 import com.sk89q.worldedit.regions.Region;
 
+import static com.google.common.base.Objects.firstNonNull;
 import static com.google.common.base.Preconditions.checkNotNull;
 
 public class Apply implements Contextual<Operation> {
@@ -48,7 +48,7 @@ public class Apply implements Contextual<Operation> {
 
     @Override
     public Operation createFromContext(EditContext context) {
-        return new RegionVisitor(MoreObjects.firstNonNull(context.getRegion(), region), function.createFromContext(context));
+        return new RegionVisitor(firstNonNull(context.getRegion(), region), function.createFromContext(context));
     }
 
     @Override

worldedit-core/src/main/java/com/sk89q/worldedit/function/factory/Deform.java

@@ -19,7 +19,7 @@
 
 package com.sk89q.worldedit.function.factory;
 
-import com.google.common.base.MoreObjects;
+import com.google.common.base.Objects;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.WorldEditException;
@@ -123,7 +123,7 @@ public class Deform implements Contextual<Operation> {
         final Vector zero;
         Vector unit;
 
-        Region region = MoreObjects.firstNonNull(context.getRegion(), this.region);
+        Region region = Objects.firstNonNull(context.getRegion(), this.region);
 
         switch (mode) {
             case UNIT_CUBE:

worldedit-core/src/main/java/com/sk89q/worldedit/function/factory/Paint.java

@@ -19,7 +19,6 @@
 
 package com.sk89q.worldedit.function.factory;
 
-import com.google.common.base.MoreObjects;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.extent.NullExtent;
 import com.sk89q.worldedit.function.Contextual;
@@ -34,6 +33,7 @@ import com.sk89q.worldedit.math.noise.RandomNoise;
 import com.sk89q.worldedit.regions.NullRegion;
 import com.sk89q.worldedit.regions.Region;
 
+import static com.google.common.base.Objects.firstNonNull;
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.sk89q.worldedit.regions.Regions.*;
 
@@ -63,8 +63,8 @@ public class Paint implements Contextual<Operation> {
 
     @Override
     public Operation createFromContext(EditContext context) {
-        Extent destination = MoreObjects.firstNonNull(context.getDestination(), this.destination);
+        Extent destination = firstNonNull(context.getDestination(), this.destination);
-        Region region = MoreObjects.firstNonNull(context.getRegion(), this.region);
+        Region region = firstNonNull(context.getRegion(), this.region);
         GroundFunction ground = new GroundFunction(new ExistingBlockMask(destination), function.createFromContext(context));
         LayerVisitor visitor = new LayerVisitor(asFlatRegion(region), minimumBlockY(region), maximumBlockY(region), ground);
         visitor.setMask(new NoiseFilter2D(new RandomNoise(), density));