diff --git a/rewrite-java/src/main/java/org/openrewrite/java/search/NotUsesType.java b/rewrite-java/src/main/java/org/openrewrite/java/search/NotUsesType.java new file mode 100644 index 00000000000..c7dbcc19d15 --- /dev/null +++ b/rewrite-java/src/main/java/org/openrewrite/java/search/NotUsesType.java @@ -0,0 +1,52 @@ +/* + * Copyright 2024 the original author or authors. + *

+ * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + *

+ * https://www.apache.org/licenses/LICENSE-2.0 + *

+ * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openrewrite.java.search; + +import lombok.EqualsAndHashCode; +import lombok.Getter; +import lombok.Value; +import org.jspecify.annotations.Nullable; +import org.openrewrite.ExecutionContext; +import org.openrewrite.Preconditions; +import org.openrewrite.Recipe; +import org.openrewrite.TreeVisitor; + +@Value +@EqualsAndHashCode(callSuper = false) +public class NotUsesType extends Recipe { + + @Nullable + @Getter + private final String fullyQualifiedType; + + @Nullable + private final Boolean includeImplicit; + + @Override + public String getDisplayName() { + return "Check whether a type is not in use"; + } + + @Override + public String getDescription() { + return "Inverse of `UsesType`."; + } + + @Override + public TreeVisitor getVisitor() { + return Preconditions.not(new UsesType<>(fullyQualifiedType, includeImplicit)); + } +} diff --git a/rewrite-java/src/test/java/org/openrewrite/java/search/NotUsesTypeTest.java b/rewrite-java/src/test/java/org/openrewrite/java/search/NotUsesTypeTest.java new file mode 100644 index 00000000000..99bedf696d6 --- /dev/null +++ b/rewrite-java/src/test/java/org/openrewrite/java/search/NotUsesTypeTest.java @@ -0,0 +1,42 @@ +package org.openrewrite.java.search; + +import org.junit.jupiter.api.Test; +import org.openrewrite.DocumentExample; +import org.openrewrite.test.RecipeSpec; +import org.openrewrite.test.RewriteTest; + +import static org.openrewrite.java.Assertions.java; + +class NotUsesTypeTest implements RewriteTest { + + @Override + public void defaults(RecipeSpec spec) { + spec.recipe(new NotUsesType("java.lang.String", true)); + } + + @DocumentExample + @Test + void doesNotUseType() { + rewriteRun( + spec -> spec.expectedCyclesThatMakeChanges(1), + java( + """ + class Foo{ + int bla = 123; + } + """ + )); + } + + @Test + void doesUseType() { + rewriteRun( + java( + """ + class Foo{ + String bla = "bla"; + } + """)); + } + +}