refactor: move idea to generic formatters

as it can handle various file formats besides java.

Author: simschla

lib/src/main/java/com/diffplug/spotless/java/IdeaStep.java renamed to lib/src/main/java/com/diffplug/spotless/generic/IdeaStep.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2024 DiffPlug
+ * Copyright 2024-2025 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.diffplug.spotless.java;
+package com.diffplug.spotless.generic;
 
 import java.io.File;
 import java.io.IOException;

plugin-gradle/src/main/java/com/diffplug/gradle/spotless/FormatExtension.java

@@ -65,6 +65,7 @@
 import com.diffplug.spotless.extra.wtp.EclipseWtpFormatterStep;
 import com.diffplug.spotless.generic.EndWithNewlineStep;
 import com.diffplug.spotless.generic.FenceStep;
+import com.diffplug.spotless.generic.IdeaStep;
 import com.diffplug.spotless.generic.IndentStep;
 import com.diffplug.spotless.generic.LicenseHeaderStep;
 import com.diffplug.spotless.generic.LicenseHeaderStep.YearMode;
@@ -960,6 +961,45 @@ public EclipseWtpConfig eclipseWtp(EclipseWtpFormatterStep type, String version)
 		return new EclipseWtpConfig(type, version);
 	}
 
+	public IdeaConfig idea() {
+		return new IdeaConfig();
+	}
+
+	public class IdeaConfig {
+		private String binaryPath;
+		private String configPath;
+		private boolean withDefaults = false;
+
+		IdeaConfig() {
+			addStep(createStep());
+		}
+
+		private FormatterStep createStep() {
+			return IdeaStep.create(withDefaults, binaryPath, configPath);
+		}
+
+		public IdeaConfig binaryPath(String binaryPath) {
+			requireNonNull(binaryPath);
+			this.binaryPath = binaryPath;
+			replaceStep(createStep());
+			return this;
+		}
+
+		public IdeaConfig configPath(String configPath) {
+			requireNonNull(configPath);
+			this.configPath = configPath;
+			replaceStep(createStep());
+			return this;
+		}
+
+		public IdeaConfig withDefaults(Boolean withDefaults) {
+			requireNonNull(withDefaults);
+			this.withDefaults = withDefaults;
+			replaceStep(createStep());
+			return this;
+		}
+	}
+
 	/**
 	 * <pre>
 	 * spotless {

plugin-gradle/src/main/java/com/diffplug/gradle/spotless/JavaExtension.java

@@ -38,7 +38,6 @@
 import com.diffplug.spotless.java.CleanthatJavaStep;
 import com.diffplug.spotless.java.FormatAnnotationsStep;
 import com.diffplug.spotless.java.GoogleJavaFormatStep;
-import com.diffplug.spotless.java.IdeaStep;
 import com.diffplug.spotless.java.ImportOrderStep;
 import com.diffplug.spotless.java.PalantirJavaFormatStep;
 import com.diffplug.spotless.java.RemoveUnusedImportsStep;
@@ -358,45 +357,6 @@ public EclipseConfig withP2Mirrors(Map<String, String> mirrors) {
 
 	}
 
-	public IdeaConfig idea() {
-		return new IdeaConfig();
-	}
-
-	public class IdeaConfig {
-		private String binaryPath;
-		private String configPath;
-		private boolean withDefaults = false;
-
-		IdeaConfig() {
-			addStep(createStep());
-		}
-
-		private FormatterStep createStep() {
-			return IdeaStep.create(withDefaults, binaryPath, configPath);
-		}
-
-		public IdeaConfig binaryPath(String binaryPath) {
-			Objects.requireNonNull(binaryPath);
-			this.binaryPath = binaryPath;
-			replaceStep(createStep());
-			return this;
-		}
-
-		public IdeaConfig configPath(String configPath) {
-			Objects.requireNonNull(configPath);
-			this.configPath = configPath;
-			replaceStep(createStep());
-			return this;
-		}
-
-		public IdeaConfig withDefaults(Boolean withDefaults) {
-			Objects.requireNonNull(withDefaults);
-			this.withDefaults = withDefaults;
-			replaceStep(createStep());
-			return this;
-		}
-	}
-
 	/** Removes newlines between type annotations and types. */
 	public FormatAnnotationsConfig formatAnnotations() {
 		return new FormatAnnotationsConfig();

plugin-gradle/src/test/java/com/diffplug/gradle/spotless/JavaIdeaTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2024 DiffPlug
+ * Copyright 2020-2025 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

plugin-maven/src/main/java/com/diffplug/spotless/maven/FormatterFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2024 DiffPlug
+ * Copyright 2016-2025 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -38,6 +38,7 @@
 import com.diffplug.spotless.LineEnding;
 import com.diffplug.spotless.maven.generic.EclipseWtp;
 import com.diffplug.spotless.maven.generic.EndWithNewline;
+import com.diffplug.spotless.maven.generic.Idea;
 import com.diffplug.spotless.maven.generic.Indent;
 import com.diffplug.spotless.maven.generic.Jsr223;
 import com.diffplug.spotless.maven.generic.LicenseHeader;
@@ -147,6 +148,10 @@ public final void addPrettier(Prettier prettier) {
 		addStepFactory(prettier);
 	}
 
+	public final void addIdea(Idea idea) {
+		addStepFactory(idea);
+	}
+
 	public final void addToggleOffOn(ToggleOffOn toggle) {
 		this.toggle = toggle;
 	}

plugin-maven/src/main/java/com/diffplug/spotless/maven/java/Idea.java renamed to plugin-maven/src/main/java/com/diffplug/spotless/maven/generic/Idea.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2024 DiffPlug
+ * Copyright 2016-2025 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,12 +13,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.diffplug.spotless.maven.java;
+package com.diffplug.spotless.maven.generic;
 
 import org.apache.maven.plugins.annotations.Parameter;
 
 import com.diffplug.spotless.FormatterStep;
-import com.diffplug.spotless.java.IdeaStep;
+import com.diffplug.spotless.generic.IdeaStep;
 import com.diffplug.spotless.maven.FormatterStepConfig;
 import com.diffplug.spotless.maven.FormatterStepFactory;
 

plugin-maven/src/main/java/com/diffplug/spotless/maven/java/Java.java

@@ -68,10 +68,6 @@ public void addImportOrder(ImportOrder importOrder) {
 		addStepFactory(importOrder);
 	}
 
-	public void addIdea(Idea idea) {
-		addStepFactory(idea);
-	}
-
 	public void addPalantirJavaFormat(PalantirJavaFormat palantirJavaFormat) {
 		addStepFactory(palantirJavaFormat);
 	}

plugin-maven/src/test/java/com/diffplug/spotless/maven/java/IdeaTest.java renamed to plugin-maven/src/test/java/com/diffplug/spotless/maven/generic/IdeaTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2024 DiffPlug
+ * Copyright 2016-2025 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.diffplug.spotless.maven.java;
+package com.diffplug.spotless.maven.generic;
 
 import org.junit.jupiter.api.Test;
 

testlib/src/main/java/com/diffplug/spotless/ResourceHarness.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2024 DiffPlug
+ * Copyright 2016-2025 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

testlib/src/main/java/com/diffplug/spotless/tag/IdeaTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2021-2024 DiffPlug
+ * Copyright 2021-2025 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.