Issue #41: Added InptConfigRemover recipe for preprocessing

Author: Anmol202005

src/test/java/org/checkstyle/autofix/InputConfigRemover.java

@@ -0,0 +1,74 @@
+///////////////////////////////////////////////////////////////////////////////////////////////
+// checkstyle-openrewrite-recipes: Automatically fix Checkstyle violations with OpenRewrite.
+// Copyright (C) 2025 The Checkstyle OpenRewrite Recipes 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
+//
+//     http://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.checkstyle.autofix;
+
+import java.util.stream.Collectors;
+
+import org.openrewrite.ExecutionContext;
+import org.openrewrite.Recipe;
+import org.openrewrite.Tree;
+import org.openrewrite.TreeVisitor;
+import org.openrewrite.java.JavaIsoVisitor;
+import org.openrewrite.java.tree.J;
+import org.openrewrite.java.tree.JavaSourceFile;
+import org.openrewrite.java.tree.Space;
+
+public class InputConfigRemover extends Recipe {
+
+    @Override
+    public String getDisplayName() {
+        return "InputConfigRemover recipe";
+    }
+
+    @Override
+    public String getDescription() {
+        return "Remove inline config.";
+    }
+
+    @Override
+    public TreeVisitor<?, ExecutionContext> getVisitor() {
+        return new CommentVisitor();
+    }
+
+    private static final class CommentVisitor extends JavaIsoVisitor<ExecutionContext> {
+
+        @Override
+        public J visit(Tree tree, ExecutionContext ctx) {
+            J result = super.visit(tree, ctx);
+
+            if (tree instanceof JavaSourceFile) {
+                JavaSourceFile sourceFile = (JavaSourceFile) tree;
+
+                final String currentHeader = extractCurrentHeader(sourceFile);
+
+                if (currentHeader.startsWith("/*xml")) {
+                    sourceFile = sourceFile.withPrefix(Space.format(""));
+                }
+
+                result = super.visit(sourceFile, ctx);
+            }
+            return result;
+        }
+
+        private String extractCurrentHeader(JavaSourceFile sourceFile) {
+            return sourceFile.getComments().stream()
+                    .map(comment -> comment.printComment(getCursor()))
+                    .collect(Collectors.joining(System.lineSeparator()));
+        }
+    }
+}

src/test/java/org/checkstyle/autofix/recipe/AbstractRecipeTestSupport.java

@@ -28,6 +28,7 @@
 import java.util.List;
 
 import org.checkstyle.autofix.InputClassRenamer;
+import org.checkstyle.autofix.InputConfigRemover;
 import org.checkstyle.autofix.parser.CheckstyleReportParser;
 import org.checkstyle.autofix.parser.CheckstyleViolation;
 import org.openrewrite.Recipe;
@@ -54,10 +55,6 @@ protected String getPackageLocation() {
         return "org/checkstyle/autofix/recipe/" + getSubpackage();
     }
 
-    private Recipe createPreprocessingRecipe() {
-        return new InputClassRenamer();
-    }
-
     protected void verify(String testCaseName) throws Exception {
         final String inputFileName = "Input" + testCaseName + ".java";
         final String outputFileName = "Output" + testCaseName + ".java";
@@ -73,7 +70,7 @@ protected void verify(String testCaseName) throws Exception {
         final Recipe mainRecipe = createRecipe(violations);
 
         testRecipe(beforeCode, expectedAfterCode,
-                getPath(inputPath), createPreprocessingRecipe(), mainRecipe);
+                getPath(inputPath), new InputClassRenamer(), new InputConfigRemover(), mainRecipe);
     }
 
     private List<CheckstyleViolation> runCheckstyle(String inputPath,