guava type migration: convert anonymous Function-s with runtime retention policy annotations to anonymous classes except @javax.annotations.Nullable (can be configured in settings)

java/typeMigration/testData/inspections/guava/functionAnnotatedWithRuntimeAnnotation.java

@@ -0,0 +1,29 @@
+import com.google.common.base.Function;
+import com.google.common.collect.FluentIterable;
+import javax.annotations.Nullable;
+import static com.google.common.collect.FluentIterable.from
+
+import java.util.ArrayList;
+import java.util.List;
+
+class A {
+
+  void m(List<String> l) {
+    Function<String, String> function = new Function<String, String>() {
+      @Nullable
+      @Override
+      public String apply(@Nullable String x) {
+        return x;
+      }
+    };
+
+    boolean strings = FluentIterable.from(l).transform(new Function<String, String>() {
+      @Nullable
+      @Override
+      public String apply(@Nullable String x) {
+        return x;
+      }
+    }).first().isPresent();
+  }
+
+}

java/typeMigration/testData/inspections/guava/functionAnnotatedWithRuntimeAnnotation2.java

@@ -0,0 +1,29 @@
+import com.google.common.base.Function;
+import com.google.common.collect.FluentIterable;
+import javax.annotations.Nullable;
+import static com.google.common.collect.FluentIterable.from
+
+import java.util.ArrayList;
+import java.util.List;
+
+class A {
+
+  void m(List<String> l) {
+    Function<String, String> function = new Function<String, String>() {
+      @Nullable
+      @Override
+      public String apply(@Nullable String x) {
+        return x;
+      }
+    };
+
+    boolean strings = FluentIterable.from(l).transform(new Function<String, String>() {
+      @Nullable
+      @Override
+      public String apply(@Nullable String x) {
+        return x;
+      }
+    }).first().isPresent();
+  }
+
+}

java/typeMigration/testData/inspections/guava/functionAnnotatedWithRuntimeAnnotation2_after.java

@@ -0,0 +1,12 @@
+import java.util.List;
+import java.util.function.Function;
+
+class A {
+
+  void m(List<String> l) {
+    Function<String, String> function = x -> x;
+
+    boolean strings = l.stream().map(x -> x).findFirst().isPresent();
+  }
+
+}

java/typeMigration/testData/inspections/guava/functionAnnotatedWithRuntimeAnnotation_after.java

@@ -0,0 +1,12 @@
+import java.util.List;
+import java.util.function.Function;
+
+class A {
+
+  void m(List<String> l) {
+    Function<String, String> function = x -> x;
+
+    boolean strings = l.stream().map(x -> x).findFirst().isPresent();
+  }
+
+}