Add ArgumentArrayToVarargs for logger methods that take a var args argument Object array

src/main/java/org/openrewrite/java/logging/ArgumentArrayToVarargs.java

@@ -0,0 +1,60 @@
+/*
+ * 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.logging;
+
+import org.openrewrite.ExecutionContext;
+import org.openrewrite.Preconditions;
+import org.openrewrite.Recipe;
+import org.openrewrite.TreeVisitor;
+import org.openrewrite.java.JavaVisitor;
+import org.openrewrite.java.MethodMatcher;
+import org.openrewrite.java.search.UsesMethod;
+import org.openrewrite.java.tree.J;
+
+import java.time.Duration;
+
+// Inspired by `org.openrewrite.staticanalysis.SimplifyArraysAsList`
+public class ArgumentArrayToVarargs extends Recipe {
+    private static final MethodMatcher LOGGER_METHOD = new MethodMatcher("*..Log* *(..)");
+
+    @Override
+    public String getDisplayName() {
+        return "Convert argument array to varargs";
+    }
+
+    @Override
+    public String getDescription() {
+        return "Converts method calls that use an array of arguments to use varargs instead.";
+    }
+
+    @Override
+    public Duration getEstimatedEffortPerOccurrence() {
+        return Duration.ofMinutes(2);
+    }
+
+    @Override
+    public TreeVisitor<?, ExecutionContext> getVisitor() {
+        return Preconditions.check(new UsesMethod<>(LOGGER_METHOD), new JavaVisitor<ExecutionContext>() {
+            @Override
+            public J visitMethodInvocation(J.MethodInvocation method, ExecutionContext ctx) {
+                J.MethodInvocation mi = (J.MethodInvocation) super.visitMethodInvocation(method, ctx);
+                if (LOGGER_METHOD.matches(mi)) {
+                }
+                return mi;
+            }
+        });
+    }
+}

src/test/java/org/openrewrite/java/logging/ArgumentArrayToVarargsTest.java

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+/*
+ * 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.logging;
+
+import org.junit.jupiter.api.Test;
+import org.openrewrite.DocumentExample;
+import org.openrewrite.InMemoryExecutionContext;
+import org.openrewrite.java.JavaParser;
+import org.openrewrite.staticanalysis.SimplifyArraysAsList;
+import org.openrewrite.test.RecipeSpec;
+import org.openrewrite.test.RewriteTest;
+
+import static org.openrewrite.java.Assertions.java;
+
+@SuppressWarnings({"RedundantArrayCreation", "ArraysAsListWithZeroOrOneArgument"})
+class ArgumentArrayToVarargsTest implements RewriteTest {
+
+    @Override
+    public void defaults(RecipeSpec spec) {
+        spec.recipe(new ArgumentArrayToVarargs())
+          .parser(JavaParser.fromJavaVersion()
+            .classpathFromResources(new InMemoryExecutionContext(), "slf4j-api-2.1.+"));
+    }
+
+    @DocumentExample
+    @Test
+    void objectArrayToVarargs() {
+        rewriteRun(
+          //language=java
+          java(
+            """
+              import org.slf4j.Logger;
+              class Test {
+                  Logger logger;
+                  void method() {
+                      logger.info("Message {} {} {}", new Object[]{"old", "style", "args"});
+                  }
+              }
+              """,
+            """
+              import org.slf4j.Logger;
+              class Test {
+                  Logger logger;
+                  void method() {
+                      logger.info("Message {} {} {}", "old", "style", "args");
+                  }
+              }
+              """
+          )
+        );
+    }
+}