use lint-errors

Author: iddeepak

lib/src/main/java/com/diffplug/spotless/generic/ReplaceRegexStep.java

@@ -17,12 +17,16 @@
 
 import static com.diffplug.spotless.Lint.atLine;
 
+import java.io.File;
 import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Objects;
 import java.util.regex.Pattern;
 
 import com.diffplug.spotless.FormatterFunc;
 import com.diffplug.spotless.FormatterStep;
+import com.diffplug.spotless.Lint;
 
 public final class ReplaceRegexStep {
 	// prevent direct instantiation
@@ -62,13 +66,22 @@ FormatterFunc toFormatter() {
 		}
 
 		FormatterFunc toLinter() {
-			return raw -> {
-				var matcher = regex.matcher(raw);
-				if (matcher.find()) {
-					int line = 1 + (int) raw.codePoints().limit(matcher.start()).filter(c -> c == '\n').count();
-					throw atLine(line, matcher.group(0), replacement).shortcut();
+			return new FormatterFunc() {
+				@Override
+				public String apply(String raw) {
+					return raw;
+				}
+
+				@Override
+				public List<Lint> lint(String raw, File file) {
+					List<Lint> lints = new ArrayList<>();
+					var matcher = regex.matcher(raw);
+					while (matcher.find()) {
+						int line = 1 + (int) raw.codePoints().limit(matcher.start()).filter(c -> c == '\n').count();
+						lints.add(atLine(line, matcher.group(0), replacement));
+					}
+					return lints;
 				}
-				return raw;
 			};
 		}
 	}

plugin-maven/src/test/java/com/diffplug/spotless/maven/java/RemoveWildcardImportsStepTest.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2025 DiffPlug
+ *
+ * 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 com.diffplug.spotless.generic;
+
+import org.junit.jupiter.api.Test;
+
+import com.diffplug.common.base.StringPrinter;
+import com.diffplug.spotless.FormatterStep;
+import com.diffplug.spotless.StepHarness;
+
+class ReplaceRegexStepTest {
+	@Test
+	void formatter() throws Exception {
+		FormatterStep step = ReplaceRegexStep.create("replace", "bad", "good");
+		StepHarness.forStep(step)
+				.test("bad bad", "good good");
+	}
+
+	@Test
+	void lint() throws Exception {
+		FormatterStep step = ReplaceRegexStep.lint("regex", "bad", "no bad words");
+		StepHarness.forStep(step)
+				.expectLintsOf(StringPrinter.buildStringFromLines(
+						"bad",
+						"x bad y",
+						"ok"))
+				.toBe("L1 regex(bad) no bad words\nL2 regex(bad) no bad words");
+	}
+}