Add custom JDK version

Author: blacelle

lib/build.gradle

@@ -16,7 +16,8 @@ def NEEDS_GLUE = [
 	'diktat',
 	'scalafmt',
 	'jackson',
-	'gson'
+	'gson',
+	'cleanthat'
 ]
 for (glue in NEEDS_GLUE) {
 	sourceSets.register(glue) {
@@ -100,6 +101,8 @@ dependencies {
 	flexmarkCompileOnly 'com.vladsch.flexmark:flexmark-all:0.62.2'
 
 	gsonCompileOnly 'com.google.code.gson:gson:2.10.1'
+
+	cleanthatCompileOnly 'io.github.solven-eu.cleanthat:java:2.0-SNAPSHOT'
 }
 
 // we'll hold the core lib to a high standard

lib/src/cleanthat/java/com/diffplug/spotless/glue/java/JavaCleanthatRefactorerFunc.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2021-2023 Solven
+ * Copyright 2023 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,10 +27,12 @@
 import java.util.List;
 
 public class JavaCleanthatRefactorerFunc implements FormatterFunc {
+	private String jdkVersion;
 	private List<String> included;
 	private List<String> excluded;
 
-	public JavaCleanthatRefactorerFunc(List<String> included, List<String> excluded) {
+	public JavaCleanthatRefactorerFunc(String jdkVersion, List<String> included, List<String> excluded) {
+		this.jdkVersion=jdkVersion == null ? IJdkVersionsConstant.JDK8 : jdkVersion;
 		this.included = included == null ? Collections.emptyList() : included;
 		this.excluded = excluded == null ? Collections.emptyList() : excluded;
 	}
@@ -41,16 +43,18 @@ public JavaCleanthatRefactorerFunc() {
 
 	@Override
 	public String apply(String input) throws Exception {
+		CleanthatEngineProperties engineProperties = CleanthatEngineProperties.builder().engineVersion(jdkVersion).build();
+
 		JavaRefactorerProperties refactorerProperties = new JavaRefactorerProperties();
 
 		refactorerProperties.setIncluded(included);
 		refactorerProperties.setExcluded(excluded);
 
 		JavaRefactorer refactorer =
-				new JavaRefactorer(CleanthatEngineProperties.builder().build(), refactorerProperties);
+				new JavaRefactorer(engineProperties, refactorerProperties);
 
 		// Spotless calls steps always with LF eol.
-		return refactorer.doFormat(new PathAndContent(Paths.get("fake"), input), LineEnding.LF);
+		return refactorer.doFormat(input, LineEnding.LF);
 	}
 
 }

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

@@ -85,6 +85,10 @@ public static String defaultVersion() {
 		return JVM_SUPPORT.getRecommendedFormatterVersion();
 	}
 
+	public static String defaultGroupArtifact() {
+		return MAVEN_COORDINATE;
+	}
+
 	static final class JavaRulesState implements Serializable {
 		private static final long serialVersionUID = 1L;
 

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

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2016-2021 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.maven.java;
+
+import com.diffplug.spotless.FormatterStep;
+import com.diffplug.spotless.java.CleanthatStepFactory;
+import com.diffplug.spotless.java.GoogleJavaFormatStep;
+import com.diffplug.spotless.maven.FormatterStepConfig;
+import com.diffplug.spotless.maven.FormatterStepFactory;
+
+import org.apache.maven.plugins.annotations.Parameter;
+
+import java.util.List;
+
+public class CleanthatJava implements FormatterStepFactory {
+	@Parameter
+	private String groupArtifact;
+
+	@Parameter
+	private String version;
+
+	@Parameter
+	private List<String> mutators;
+
+	@Parameter
+	private List<String> excludedMutators;
+
+	@Override
+	public FormatterStep newFormatterStep(FormatterStepConfig config) {
+		String groupArtifact = this.groupArtifact != null ? this.groupArtifact : CleanthatStepFactory.defaultGroupArtifact();
+		String version = this.version != null ? this.version : CleanthatStepFactory.defaultVersion();
+
+		JavaRe
+		boolean reflowLongStrings = this.reflowLongStrings != null ? this.reflowLongStrings : GoogleJavaFormatStep.defaultReflowLongStrings();
+		return CleanthatStepFactory.create(groupArtifact, version, style, config.getProvisioner(), reflowLongStrings);
+	}
+
+	private static String defaultVersion() {
+	}
+}