diff --git a/src/main/java/org/openrewrite/java/migrate/guava/NoGuavaSetsNewConcurrentHashSet.java b/src/main/java/org/openrewrite/java/migrate/guava/NoGuavaSetsNewConcurrentHashSet.java new file mode 100644 index 0000000000..d0c9238687 --- /dev/null +++ b/src/main/java/org/openrewrite/java/migrate/guava/NoGuavaSetsNewConcurrentHashSet.java @@ -0,0 +1,65 @@ +/* + * Copyright 2021 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.guava;
+
+import org.openrewrite.ExecutionContext;
+import org.openrewrite.Recipe;
+import org.openrewrite.TreeVisitor;
+import org.openrewrite.java.JavaTemplate;
+import org.openrewrite.java.JavaVisitor;
+import org.openrewrite.java.MethodMatcher;
+import org.openrewrite.java.search.UsesMethod;
+import org.openrewrite.java.tree.J;
+
+public class NoGuavaSetsNewConcurrentHashSet extends Recipe {
+ private static final MethodMatcher NEW_HASH_SET = new MethodMatcher("com.google.common.collect.Sets newConcurrentHashSet()");
+
+ @Override
+ public String getDisplayName() {
+ return "Construct a set from a `new ConcurrentHashMap<>()` instead of Guava";
+ }
+
+ @Override
+ public String getDescription() {
+ return "Prefer the Java standard library over third-party usage of Guava in simple cases like this.";
+ }
+
+ @Override
+ protected TreeVisitor, ExecutionContext> getApplicableTest() {
+ return new UsesMethod<>(NEW_HASH_SET);
+ }
+
+ @Override
+ protected TreeVisitor, ExecutionContext> getVisitor() {
+ return new JavaVisitor
+ * 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.guava
+
+import org.junit.jupiter.api.Test
+import org.openrewrite.Recipe
+import org.openrewrite.java.JavaParser
+import org.openrewrite.java.JavaRecipeTest
+
+class NoGuavaSetsNewConcurrentHashSetTest: JavaRecipeTest {
+ override val parser: JavaParser
+ get() = JavaParser.fromJavaVersion()
+ .logCompilationWarningsAndErrors(true)
+ .classpath("guava")
+ .build()
+
+ override val recipe: Recipe
+ get() = NoGuavaSetsNewConcurrentHashSet()
+
+ @Test
+ fun replaceWithNewConcurrentHashSet() = assertChanged(
+ before = """
+ import com.google.common.collect.*;
+
+ import java.util.Set;
+
+ class Test {
+ Set