Convert Guava Predicates.instanceOf

src/main/java/org/openrewrite/java/migrate/guava/NoGuavaPredicatesInstanceOf.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright 2025 the original author or authors.
+ * <p>
+ * Licensed under the Moderne Source Available License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * https://docs.moderne.io/licensing/moderne-source-available-license
+ * <p>
+ * 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.Preconditions;
+import org.openrewrite.Recipe;
+import org.openrewrite.TreeVisitor;
+import org.openrewrite.java.JavaIsoVisitor;
+import org.openrewrite.java.JavaTemplate;
+import org.openrewrite.java.MethodMatcher;
+import org.openrewrite.java.ShortenFullyQualifiedTypeReferences;
+import org.openrewrite.java.search.UsesMethod;
+import org.openrewrite.java.tree.J;
+import org.openrewrite.java.tree.JavaType;
+
+import java.util.Set;
+
+import static java.util.Collections.singleton;
+
+public class NoGuavaPredicatesInstanceOf extends Recipe {
+    private static final MethodMatcher PREDICATES_INSTANCE_OF = new MethodMatcher("com.google.common.base.Predicates instanceOf(..)");
+
+    @Override
+    public String getDisplayName() {
+        return "Prefer `ASpecificClass.class::isInstance`";
+    }
+
+    @Override
+    public String getDescription() {
+        return "Prefer `ASpecificClass.class::isInstance` over `Predicates.instanceOf(ASpecificClass.class)`.";
+    }
+
+    @Override
+    public Set<String> getTags() {
+        return singleton("guava");
+    }
+
+    @Override
+    public TreeVisitor<?, ExecutionContext> getVisitor() {
+        return Preconditions.check(
+                new UsesMethod<>(PREDICATES_INSTANCE_OF),
+                new JavaIsoVisitor<ExecutionContext>() {
+                    @Override
+                    public J.MethodInvocation visitMethodInvocation(J.MethodInvocation method, ExecutionContext ctx) {
+                        if (PREDICATES_INSTANCE_OF.matches(method)) {
+                            maybeRemoveImport("com.google.common.base.Predicates");
+
+                            return JavaTemplate.builder("#{any()}::isInstance")
+                                    .build()
+                                    .apply(getCursor(),
+                                            method.getCoordinates().replace(),
+                                            method.getArguments().get(0));
+                        }
+                        return super.visitMethodInvocation(method, ctx);
+                    }
+                }
+        );
+    }
+}

src/main/resources/META-INF/rewrite/no-guava.yml

@@ -40,6 +40,7 @@ recipeList:
   - org.openrewrite.java.migrate.guava.NoGuavaMapsNewTreeMap
   - org.openrewrite.java.migrate.guava.NoGuavaPredicatesAndOr
   - org.openrewrite.java.migrate.guava.NoGuavaPredicatesEqualTo
+  - org.openrewrite.java.migrate.guava.NoGuavaPredicatesInstanceOf
   - org.openrewrite.java.migrate.guava.NoGuavaPrimitiveAsList
   - org.openrewrite.java.migrate.guava.NoGuavaRefasterRecipes
   - org.openrewrite.java.migrate.guava.NoGuavaMapsNewHashMap

src/test/java/org/openrewrite/java/migrate/guava/NoGuavaPredicatesInstanceOfTest.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright 2025 the original author or authors.
+ * <p>
+ * Licensed under the Moderne Source Available License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * https://docs.moderne.io/licensing/moderne-source-available-license
+ * <p>
+ * 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.DocumentExample;
+import org.openrewrite.InMemoryExecutionContext;
+import org.openrewrite.Issue;
+import org.openrewrite.java.JavaParser;
+import org.openrewrite.test.RecipeSpec;
+import org.openrewrite.test.RewriteTest;
+
+import static org.openrewrite.java.Assertions.java;
+
+class NoGuavaPredicatesInstanceOfTest implements RewriteTest {
+    @Override
+    public void defaults(RecipeSpec spec) {
+        spec
+          .recipe(new NoGuavaPredicatesInstanceOf())
+          .parser(JavaParser.fromJavaVersion().classpathFromResources(new InMemoryExecutionContext(), "guava"));
+    }
+
+    @DocumentExample
+    @Test
+    void predicatesEqualToToPredicateIsEqual() {
+        rewriteRun(
+          //language=java
+          java(
+            """
+              import java.util.Collection;
+
+              import com.google.common.base.Predicates;
+              import com.google.common.collect.Iterables;
+
+              class Test {
+                  boolean test(Collection<Object> collection) {
+                      return Iterables.all(collection, Predicates.instanceOf(String.class));
+                  }
+              }
+              """,
+            """
+              import java.util.Collection;
+
+              import com.google.common.collect.Iterables;
+
+              class Test {
+                  boolean test(Collection<Object> collection) {
+                      return Iterables.all(collection, String.class::isInstance);
+                  }
+              }
+              """
+          )
+        );
+    }
+}