Prevent returning null from IIngredients

mezz · Sep 26, 2016 · 3fe305f · 3fe305f
1 parent 35ad02e
commit 3fe305f
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Showing 2 changed files with 11 additions and 3 deletions.
diff --git a/gradle.properties b/gradle.properties
@@ -5,4 +5,4 @@ curse_project_id=238222
 
 version_major=3
 version_minor=11
-version_patch=0
+version_patch=1
diff --git a/src/main/java/mezz/jei/util/Ingredients.java b/src/main/java/mezz/jei/util/Ingredients.java
@@ -69,13 +69,21 @@ public <T> void setOutputs(Class<T> ingredientClass, List<T> outputs) {
 	@Override
 	public <T> List<List<T>> getInputs(Class<T> ingredientClass) {
 		//noinspection unchecked
-		return (List<List<T>>) (Object) this.inputs.get(ingredientClass);
+		List<List<T>> inputs = (List<List<T>>) (Object) this.inputs.get(ingredientClass);
+		if (inputs == null) {
+			return Collections.emptyList();
+		}
+		return inputs;
 	}
 
 	@Override
 	public <T> List<T> getOutputs(Class<T> ingredientClass) {
 		//noinspection unchecked
-		return this.outputs.get(ingredientClass);
+		List<T> outputs = this.outputs.get(ingredientClass);
+		if (outputs == null) {
+			return Collections.emptyList();
+		}
+		return outputs;
 	}
 
 	public Map<Class, List> getInputIngredients() {