Spotless code autoformatting

build.gradle

@@ -34,6 +34,9 @@ plugins {
     // Maven
     id 'maven-publish'
     id 'signing'
+
+    // Spotless formatter
+    id "com.diffplug.spotless" version "6.8.0"
 }
 
 compileJava.options.encoding = "UTF-8"
@@ -93,8 +96,8 @@ dependencies {
 
     compileOnly 'org.projectlombok:lombok:1.18.24'
     annotationProcessor 'org.projectlombok:lombok:1.18.24'
-	testCompileOnly 'org.projectlombok:lombok:1.18.24'
-	testAnnotationProcessor 'org.projectlombok:lombok:1.18.24'
+    testCompileOnly 'org.projectlombok:lombok:1.18.24'
+    testAnnotationProcessor 'org.projectlombok:lombok:1.18.24'
 }
 
 configurations.all {
@@ -238,6 +241,30 @@ eclipse {
     }
 }
 
+spotless {
+  // optional: limit format enforcement to just the files changed by this feature branch
+  ratchetFrom 'LintRatchet'
+
+  format 'misc', {
+    // define the files to apply `misc` to
+    target '*.gradle', '*.md', '.gitignore'
+
+    // define the steps to apply to those files
+    trimTrailingWhitespace()
+    indentWithSpaces() // or spaces. Takes an integer argument if you don't like 4
+    endWithNewline()
+  }
+  java {
+    // don't need to set target, it is inferred from java
+    // define the steps to apply to those files
+    trimTrailingWhitespace()
+    indentWithSpaces() // or spaces. Takes an integer argument if you don't like 4
+    endWithNewline()
+    replaceRegex('Force one space between if/etc. and ( or {', '(?<=\\b(?:if|for|while|switch|try|else|catch|finally|synchronized)) *(?=[\\(\\{])', ' ')
+    replaceRegex('Force one space between ) and {', '\\) *\\{(?!\\})', ') {')
+  }
+}
+
 signing {
     if(!version.endsWith('-dev')) {
         sign publishing.publications.mavenJava