PMT-3: Add CI with Linting

.gitea/workflows/qs.yml

@@ -0,0 +1,19 @@
+name: "Quality Check"
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  linting:
+    name: "Linting Check"
+    runs-on: "ubuntu-latest"
+    container:
+      image: "git.euph.dev/actions/runner-java-21:latest"
+    steps:
+      - name: "Checkout"
+        uses: "https://git.euph.dev/actions/checkout@v3"
+      - name: "Checkstyle Linting Main"
+        run: gradle checkstyleMain
+      - name: "Checkstyle Linting Test"
+        run: gradle checkstyleTest

build.gradle.kts

@@ -6,11 +6,17 @@ repositories {
 
 plugins {
     java
+    checkstyle
     id("org.springframework.boot") version "3.3.3"
     id("io.spring.dependency-management") version "1.1.6"
     id("org.hidetake.swagger.generator") version "2.19.2"
 }
 
+checkstyle {
+    toolVersion = "10.12.4"
+    configFile = file("src/main/resources/checkstyle.xml")
+}
+
 group = "de.hmmh"
 version = "0.0.1-SNAPSHOT"
 
@@ -73,8 +79,13 @@ tasks {
     named("compileJava").configure {
         dependsOn(swaggerSources.getByName("pmt").code)
     }
+    withType<Checkstyle> {
+        reports {
+            xml.required.set(true)
+            html.required.set(false)
+        }
+    }
 }
-
 
 sourceSets {
     main {

src/main/resources/checkstyle.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<!DOCTYPE module PUBLIC
+        "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
+        "https://checkstyle.org/dtds/configuration_1_3.dtd"
+>
+<module name="Checker">
+    <property name="severity" value="error"/>
+    <property name="tabWidth" value="4"/>
+
+    <module name="LineLength">
+        <property name="max" value="120"/>
+    </module>
+    <module name="FileTabCharacter">
+        <property name="eachLine" value="true"/>
+    </module>
+
+    <module name="NewlineAtEndOfFile"/>
+
+</module>