JAVA-9433 - ktlint

Author: GaetanoPiazzolla

ktlint-custom/pom.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
+         http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <version>1.0.0-SNAPSHOT</version>
+    <groupId>com.baeldung</groupId>
+    <artifactId>ktlint-custom</artifactId>
+
+    <dependencies>
+
+        <!-- https://mvnrepository.com/artifact/com.pinterest.ktlint/ktlint-core -->
+        <dependency>
+            <groupId>com.pinterest.ktlint</groupId>
+            <artifactId>ktlint-core</artifactId>
+            <version>0.43.2</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/com.pinterest.ktlint/ktlint-cli-reporter-core -->
+        <dependency>
+            <groupId>com.pinterest.ktlint</groupId>
+            <artifactId>ktlint-cli-ruleset-core</artifactId>
+            <version>1.0.1</version>
+            <scope>runtime</scope>
+        </dependency>
+
+    </dependencies>
+</project>

ktlint-custom/src/main/kotlin/CustomRuleSetProvider.kt

@@ -0,0 +1,7 @@
+import com.pinterest.ktlint.core.RuleSet
+import com.pinterest.ktlint.core.RuleSetProvider
+
+class CustomRuleSetProvider : RuleSetProvider {
+  override fun get()
+      = RuleSet("custom-ktlint-rules", TempRule())
+}

ktlint-custom/src/main/kotlin/TempRule.kt

@@ -0,0 +1,12 @@
+import com.pinterest.ktlint.core.Rule
+import org.jetbrains.kotlin.com.intellij.lang.ASTNode
+
+class TempRule : Rule("no-var") {
+    override fun visit(
+        node: ASTNode,
+        autoCorrect: Boolean,
+        emit: (offset: Int, errorMessage: String, canBeAutoCorrected: Boolean) -> Unit
+    ) {
+        emit(node.startOffset, "#### TEST: KTLINT ERROR", false)
+    }
+}

pom.xml

@@ -23,6 +23,10 @@
             <id>kotlin-eap</id>
             <url>https://dl.bintray.com/kotlin/kotlin-eap/</url>
         </repository>
+        <repository>
+            <id>maven-central</id>
+            <url>https://repo1.maven.org/maven2</url>
+        </repository>
     </repositories>
 
     <pluginRepositories>
@@ -124,6 +128,25 @@
 
     <build>
         <plugins>
+            <plugin>
+                <groupId>com.github.z3d1k</groupId>
+                <artifactId>ktlint-maven-plugin</artifactId>
+                <version>0.10.0</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>lint</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <dependencies>
+                    <dependency>
+                        <groupId>com.baeldung</groupId>
+                        <artifactId>ktlint-custom</artifactId>
+                        <version>1.0.0-SNAPSHOT</version>
+                    </dependency>
+                </dependencies>
+            </plugin>
             <plugin>
                 <groupId>org.jetbrains.kotlin</groupId>
                 <artifactId>kotlin-maven-plugin</artifactId>
@@ -274,6 +297,8 @@
         <module>parent-boot-2</module>
         <module>parent-boot-3</module>
 
+        <module>ktlint-custom</module>
+
         <module>core-kotlin-modules</module>
         <module>core-kotlin-companion</module>
         <!-- <module>jee-kotlin</module> fixing in https://jira.baeldung.com/browse/KTLN-426 -->