diff --git a/src/main/java/org/openrewrite/java/migrate/trait/ScopedVariable.java b/src/main/java/org/openrewrite/java/migrate/trait/ScopedVariable.java new file mode 100644 index 000000000..a901216b6 --- /dev/null +++ b/src/main/java/org/openrewrite/java/migrate/trait/ScopedVariable.java @@ -0,0 +1,44 @@ +/* + * 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.migrate.trait;
+
+import lombok.RequiredArgsConstructor;
+import lombok.Value;
+import org.jspecify.annotations.Nullable;
+import org.openrewrite.Cursor;
+import org.openrewrite.java.tree.J;
+import org.openrewrite.trait.SimpleTraitMatcher;
+import org.openrewrite.trait.Trait;
+
+@Value
+public class ScopedVariable implements Trait
+ * 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.
+ */
+@NullMarked
+@NonNullFields
+package org.openrewrite.java.migrate.trait;
+
+import org.jspecify.annotations.NullMarked;
+import org.openrewrite.internal.lang.NonNullFields;
diff --git a/src/test/java/org/openrewrite/java/migrate/trait/ScopedVariableTest.java b/src/test/java/org/openrewrite/java/migrate/trait/ScopedVariableTest.java
new file mode 100644
index 000000000..dbf5e424d
--- /dev/null
+++ b/src/test/java/org/openrewrite/java/migrate/trait/ScopedVariableTest.java
@@ -0,0 +1,96 @@
+/*
+ * 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.migrate.trait;
+
+import org.junit.jupiter.api.Test;
+import org.openrewrite.DocumentExample;
+import org.openrewrite.InMemoryExecutionContext;
+import org.openrewrite.Recipe;
+import org.openrewrite.java.tree.J;
+import org.openrewrite.marker.SearchResult;
+import org.openrewrite.test.RecipeSpec;
+import org.openrewrite.test.RewriteTest;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.openrewrite.java.Assertions.java;
+
+class ScopedVariableTest implements RewriteTest {
+
+ @Override
+ public void defaults(RecipeSpec spec) {
+ spec.recipe(RewriteTest.toRecipe(() ->
+ new ScopedVariable.Matcher().asVisitor(a -> SearchResult.found(a.getTree(),
+ String.format("Identified variable %s within scope %s", a.getIdentifier(), a.getScope().getValue().getClass().getSimpleName())
+ )
+ )
+ ));
+ }
+
+ @Test
+ @DocumentExample
+ void markAllFieldsInClass() {
+ rewriteRun(
+ //language=java
+ java(
+ """
+ class Test {
+ private String field;
+
+ void doSome() {
+ String anotherField;
+ }
+ }
+ """,
+ """
+ class Test {
+ private String /*~~(Identified variable field within scope Block)~~>*/field;
+
+ void doSome() {
+ String /*~~(Identified variable anotherField within scope Block)~~>*/anotherField;
+ }
+ }
+ """
+ )
+ );
+ }
+
+ @Test
+ void markAllFieldsInMethod() {
+ rewriteRun(
+ spec -> spec.recipe(Recipe.noop()),
+ //language=java
+ java(
+ """
+ class Test {
+ private String field;
+
+ void doSome() {
+ String anotherField;
+ }
+ }
+ """,
+ spec -> spec.beforeRecipe((source) -> {
+ J.MethodDeclaration md = (J.MethodDeclaration) source.getClasses().get(0).getBody().getStatements().get(1);
+ new ScopedVariable.Matcher().asVisitor(var -> {
+ assertThat(((J.Block) var.getScope().getValue())).isEqualTo(md.getBody());
+ return var.getTree();
+ }).visit(md, new InMemoryExecutionContext());
+ })
+ )
+ );
+ }
+
+}