Internal changes

RELNOTES=n/a
PiperOrigin-RevId: 591015561

4 files changed, 75 insertions, 14 deletions

diff --git a/java/dagger/internal/codegen/binding/Nullability.java b/java/dagger/internal/codegen/binding/Nullability.java
index e916e1681..4231a8fb0 100644
--- a/java/dagger/internal/codegen/binding/Nullability.java
+++ b/java/dagger/internal/codegen/binding/Nullability.java
@@ -55,13 +55,16 @@ public abstract class Nullability {
   }
 
   private static ImmutableSet<ClassName> getNullableAnnotations(XElement element) {
-    return getNullableAnnotations(element.getAllAnnotations().stream());
+    return getNullableAnnotations(element.getAllAnnotations().stream(), ImmutableSet.of());
   }
 
-  private static ImmutableSet<ClassName> getNullableAnnotations(Stream<XAnnotation> annotations) {
+  private static ImmutableSet<ClassName> getNullableAnnotations(
+      Stream<XAnnotation> annotations,
+      ImmutableSet<ClassName> filterSet) {
     return annotations
         .map(XAnnotations::getClassName)
         .filter(annotation -> annotation.simpleName().contentEquals("Nullable"))
+        .filter(annotation -> !filterSet.contains(annotation))
         .collect(toImmutableSet());
   }
 
diff --git a/java/dagger/internal/codegen/writing/FactoryGenerator.java b/java/dagger/internal/codegen/writing/FactoryGenerator.java
index 9fba7cd09..32195ba6a 100644
--- a/java/dagger/internal/codegen/writing/FactoryGenerator.java
+++ b/java/dagger/internal/codegen/writing/FactoryGenerator.java
@@ -248,7 +248,6 @@ public final class FactoryGenerator extends SourceFileGenerator<ProvisionBinding
     MethodSpec.Builder getMethod =
         methodBuilder("get")
             .addModifiers(PUBLIC)
-            .returns(providedTypeName)
             .addParameters(assistedParameters.values());
 
     if (factoryTypeName(binding).isPresent()) {
@@ -270,10 +269,12 @@ public final class FactoryGenerator extends SourceFileGenerator<ProvisionBinding
           .nullability()
           .nullableAnnotations()
           .forEach(getMethod::addAnnotation);
+      getMethod.returns(providedTypeName);
       getMethod.addStatement("return $L", invokeNewInstance);
     } else if (!binding.injectionSites().isEmpty()) {
       CodeBlock instance = CodeBlock.of("instance");
       getMethod
+          .returns(providedTypeName)
           .addStatement("$T $L = $L", providedTypeName, instance, invokeNewInstance)
           .addCode(
               InjectionSiteMethod.invokeAll(
@@ -283,8 +284,11 @@ public final class FactoryGenerator extends SourceFileGenerator<ProvisionBinding
                   binding.key().type().xprocessing(),
                   sourceFiles.frameworkFieldUsages(binding.dependencies(), frameworkFields)::get))
           .addStatement("return $L", instance);
+
     } else {
-      getMethod.addStatement("return $L", invokeNewInstance);
+      getMethod
+          .returns(providedTypeName)
+          .addStatement("return $L", invokeNewInstance);
     }
     return getMethod.build();
   }
diff --git a/java/dagger/internal/codegen/writing/InjectionMethods.java b/java/dagger/internal/codegen/writing/InjectionMethods.java
index f4752f2c6..39c03dd7f 100644
--- a/java/dagger/internal/codegen/writing/InjectionMethods.java
+++ b/java/dagger/internal/codegen/writing/InjectionMethods.java
@@ -405,7 +405,8 @@ final class InjectionMethods {
     if (isVoid(method.getReturnType())) {
       return builder.addStatement("$L", invocation).build();
     } else {
-      Nullability.of(method)
+      Nullability nullability = Nullability.of(method);
+      nullability
           .nullableAnnotations()
           .forEach(builder::addAnnotation);
       return builder
diff --git a/javatests/dagger/functional/nullables/JspecifyNullableTest.java b/javatests/dagger/functional/nullables/JspecifyNullableTest.java
index 63b4a9ae4..b5d42f3b7 100644
--- a/javatests/dagger/functional/nullables/JspecifyNullableTest.java
+++ b/javatests/dagger/functional/nullables/JspecifyNullableTest.java
@@ -22,6 +22,7 @@ import static org.junit.Assert.assertThrows;
 import dagger.Component;
 import dagger.Module;
 import dagger.Provides;
+import javax.inject.Provider;
 import org.jspecify.annotations.Nullable;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -29,40 +30,92 @@ import org.junit.runners.JUnit4;
 
 @RunWith(JUnit4.class)
 public final class JspecifyNullableTest {
-  @Component(modules = MyModule.class)
+  @Component(modules = MyModule.class, dependencies = ComponentDependency.class)
   interface MyComponent {
     Integer getInt();
+    InnerType getInnerType();
+        Provider<Dependency> getDependencyProvider();
   }
 
+  interface Dependency {}
+
+  interface InnerType {}
+
   @Module
   static class MyModule {
-    private final Integer value;
+    private final Integer integer;
+    private final InnerType innerType;
 
-    MyModule(Integer value) {
-      this.value = value;
+    MyModule(Integer integer, InnerType innerType) {
+      this.integer = integer;
+      this.innerType = innerType;
     }
 
     @Provides
     @Nullable Integer provideInt() {
-      return value;
+      return integer;
+    }
+
+    @Provides
+    @Nullable InnerType provideInnerType() {
+      return innerType;
+    }
+  }
+
+  @Component(modules = DependencyModule.class)
+  interface ComponentDependency {
+    @Nullable Dependency dependency();
+  }
+
+  @Module
+  static class DependencyModule {
+    private final Dependency dependency;
+
+    DependencyModule(Dependency dependency) {
+      this.dependency = dependency;
+    }
+
+    @Provides
+    @Nullable Dependency provideDependency() {
+      return dependency;
     }
   }
 
   @Test
   public void testWithValue() {
-    MyComponent component =
-        DaggerJspecifyNullableTest_MyComponent.builder().myModule(new MyModule(15)).build();
+    MyComponent component = DaggerJspecifyNullableTest_MyComponent.builder()
+        .myModule(new MyModule(15, new InnerType() {}))
+        .componentDependency(
+            DaggerJspecifyNullableTest_ComponentDependency.builder()
+                .dependencyModule(new DependencyModule(new Dependency() {})).build())
+        .build();
     assertThat(component.getInt()).isEqualTo(15);
+    assertThat(component.getInnerType()).isNotNull();
+    assertThat(component.getDependencyProvider().get()).isNotNull();
   }
 
   @Test
   public void testWithNull() {
-    MyComponent component =
-        DaggerJspecifyNullableTest_MyComponent.builder().myModule(new MyModule(null)).build();
+    MyComponent component = DaggerJspecifyNullableTest_MyComponent.builder()
+        .myModule(new MyModule(null, null))
+        .componentDependency(
+            DaggerJspecifyNullableTest_ComponentDependency.builder()
+                .dependencyModule(new DependencyModule(null)).build())
+        .build();
     NullPointerException expectedException =
         assertThrows(NullPointerException.class, component::getInt);
     assertThat(expectedException)
         .hasMessageThat()
         .contains("Cannot return null from a non-@Nullable @Provides method");
+    NullPointerException expectedException2 =
+        assertThrows(NullPointerException.class, component::getInnerType);
+    assertThat(expectedException2)
+        .hasMessageThat()
+        .contains("Cannot return null from a non-@Nullable @Provides method");
+    NullPointerException expectedException3 =
+        assertThrows(NullPointerException.class, () -> component.getDependencyProvider().get());
+    assertThat(expectedException3)
+        .hasMessageThat()
+        .contains("Cannot return null from a non-@Nullable @Provides method");
   }
 }