Add RoundedStep

Author: Goooler

lib-extra/src/main/java/com/diffplug/spotless/extra/EclipseBasedStepBuilder.java

@@ -33,6 +33,7 @@
 import com.diffplug.spotless.FormatterStep;
 import com.diffplug.spotless.JarState;
 import com.diffplug.spotless.Provisioner;
+import com.diffplug.spotless.RoundedStep;
 import com.diffplug.spotless.SerializedFunction;
 
 /**
@@ -126,7 +127,7 @@ public void setPreferences(Iterable<File> settingsFiles) {
 		this.settingsFiles = settingsFiles;
 	}
 
-	static class EclipseStep implements Serializable {
+	static class EclipseStep implements RoundedStep {
 		private static final long serialVersionUID = 1;
 		private final String semanticVersion;
 		private final String formatterStepExt;

lib-extra/src/main/java/com/diffplug/spotless/extra/EquoBasedStepBuilder.java

@@ -34,6 +34,7 @@
 import com.diffplug.spotless.FormatterStep;
 import com.diffplug.spotless.JarState;
 import com.diffplug.spotless.Provisioner;
+import com.diffplug.spotless.RoundedStep;
 import com.diffplug.spotless.SerializedFunction;
 
 import dev.equo.solstice.NestedJars;
@@ -149,7 +150,7 @@ private P2Model createModelWithMirrors() {
 		return model;
 	}
 
-	static class EquoStep implements Serializable {
+	static class EquoStep implements RoundedStep {
 		private static final long serialVersionUID = 1;
 		private final String semanticVersion;
 		private final FileSignature.Promised settingsPromise;

lib/src/main/java/com/diffplug/spotless/RoundedStep.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2024 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;
+
+import java.io.Serializable;
+
+public interface RoundedStep extends Serializable {}

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

@@ -15,14 +15,13 @@
  */
 package com.diffplug.spotless.generic;
 
-import java.io.Serializable;
-
 import com.diffplug.spotless.FormatterFunc;
 import com.diffplug.spotless.FormatterStep;
+import com.diffplug.spotless.RoundedStep;
 import com.diffplug.spotless.SerializedFunction;
 
 /** Simple step which checks for consistent indentation characters. */
-public final class IndentStep implements Serializable {
+public final class IndentStep implements RoundedStep {
 	private static final long serialVersionUID = 1L;
 
 	final Type type;

lib/src/main/java/com/diffplug/spotless/kotlin/DiktatStep.java

@@ -26,7 +26,7 @@
 import com.diffplug.spotless.*;
 
 /** Wraps up <a href="https://github.com/cqfn/diKTat">diktat</a> as a FormatterStep. */
-public class DiktatStep implements Serializable {
+public class DiktatStep implements RoundedStep {
 	private static final long serialVersionUID = 1L;
 	private final JarState.Promised jarState;
 	private final String versionDiktat;