Some Nullable and NotNull annotations

Signed-off-by: shedaniel <daniel@shedaniel.me>

3 files changed, 18 insertions, 0 deletions

diff --git a/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/api/REIHelper.java b/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/api/REIHelper.java
index f6df5ab92..126358513 100644
--- a/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/api/REIHelper.java
+++ b/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/api/REIHelper.java
@@ -32,6 +32,7 @@ import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.ItemStack;
 import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.List;
@@ -59,11 +60,15 @@ public interface REIHelper {
     
     boolean isDarkThemeEnabled();
     
+    @Nullable
     TextFieldWidget getSearchTextField();
     
+    @NotNull
+    @ApiStatus.Internal
     List<ItemStack> getInventoryStacks();
     
     void queueTooltip(@Nullable Tooltip tooltip);
     
+    @NotNull
     ResourceLocation getDefaultDisplayTexture();
 }
diff --git a/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/api/RecipeCategory.java b/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/api/RecipeCategory.java
index 4136f3aa9..87e243e85 100644
--- a/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/api/RecipeCategory.java
+++ b/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/api/RecipeCategory.java
@@ -32,6 +32,7 @@ import net.fabricmc.api.EnvType;
 import net.fabricmc.api.Environment;
 import net.minecraft.resources.ResourceLocation;
 import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.Collections;
 import java.util.List;
@@ -44,6 +45,7 @@ public interface RecipeCategory<T extends RecipeDisplay> {
      *
      * @return the unique identifier of the category
      */
+    @NotNull
     ResourceLocation getIdentifier();
     
     /**
@@ -51,6 +53,7 @@ public interface RecipeCategory<T extends RecipeDisplay> {
      *
      * @return the renderer of the icon
      */
+    @NotNull
     default EntryStack getLogo() {
         return EntryStack.empty();
     }
@@ -60,6 +63,7 @@ public interface RecipeCategory<T extends RecipeDisplay> {
      *
      * @return the name
      */
+    @NotNull
     String getCategoryName();
     
     /**
@@ -69,6 +73,7 @@ public interface RecipeCategory<T extends RecipeDisplay> {
      * @return the recipe renderer
      */
     @ApiStatus.OverrideOnly
+    @NotNull
     default RecipeEntry getSimpleRenderer(T recipe) {
         return SimpleRecipeEntry.from(recipe::getInputEntries, recipe::getResultingEntries);
     }
@@ -81,6 +86,7 @@ public interface RecipeCategory<T extends RecipeDisplay> {
      * @return the list of widgets
      */
     @ApiStatus.OverrideOnly
+    @NotNull
     default List<Widget> setupDisplay(T recipeDisplay, Rectangle bounds) {
         return Collections.singletonList(Widgets.createCategoryBase(bounds));
     }
diff --git a/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/api/RecipeDisplay.java b/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/api/RecipeDisplay.java
index a22dea125..44e655da4 100644
--- a/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/api/RecipeDisplay.java
+++ b/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/api/RecipeDisplay.java
@@ -26,6 +26,7 @@ package me.shedaniel.rei.api;
 import me.shedaniel.rei.utils.CollectionUtils;
 import net.minecraft.resources.ResourceLocation;
 import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.Collections;
 import java.util.List;
@@ -36,6 +37,7 @@ public interface RecipeDisplay {
     /**
      * @return a list of inputs
      */
+    @NotNull
     List<List<EntryStack>> getInputEntries();
     
     /**
@@ -43,6 +45,7 @@ public interface RecipeDisplay {
      */
     @Deprecated
     @ApiStatus.ScheduledForRemoval
+    @NotNull
     default List<EntryStack> getOutputEntries() {
         return Collections.emptyList();
     }
@@ -50,6 +53,7 @@ public interface RecipeDisplay {
     /**
      * @return a list of outputs
      */
+    @NotNull
     default List<List<EntryStack>> getResultingEntries() {
         return CollectionUtils.map(getOutputEntries(), Collections::singletonList);
     }
@@ -59,6 +63,7 @@ public interface RecipeDisplay {
      *
      * @return the list of required items
      */
+    @NotNull
     default List<List<EntryStack>> getRequiredEntries() {
         return Collections.emptyList();
     }
@@ -68,6 +73,7 @@ public interface RecipeDisplay {
      *
      * @return the identifier of the category
      */
+    @NotNull
     ResourceLocation getRecipeCategory();
     
     /**
@@ -75,6 +81,7 @@ public interface RecipeDisplay {
      *
      * @return the recipe location
      */
+    @NotNull
     default Optional<ResourceLocation> getRecipeLocation() {
         return Optional.empty();
     }