OZG-7324 adjust JenkinsFile

Jenkinsfile

@@ -6,7 +6,7 @@ pipeline {
     }
 
     environment {
-        BLUE_OCEAN_URL = "https://jenkins.infra.ozg-cloud.systems/job/muk-postfach/job/${env.BRANCH_NAME}/${env.BUILD_NUMBER}/"
+        JENKINS_URL = "https://jenkins.infra.ozg-cloud.systems/job/codeSH_muk-postfach/job/${env.BRANCH_NAME}/${env.BUILD_NUMBER}/"
         RELEASE_REGEX = /\d+.\d+.\d+/
         SNAPSHOT_REGEX = /\d+.\d+.\d+-SNAPSHOT/
         FAILED_STAGE = ""
@@ -42,7 +42,7 @@ pipeline {
           when {
             not {
                 anyOf {
-                    branch 'master'
+                    branch 'main'
                     branch 'release'
                 }
             }
@@ -111,7 +111,7 @@ pipeline {
 
         stage('Sonar Checks') {
             when {
-                branch 'master'
+                branch 'main'
             }
             steps {
                 script {
@@ -137,7 +137,7 @@ pipeline {
         }
         failure {
             script {
-                if (env.BRANCH_NAME == 'master' || env.BRANCH_NAME == 'release') {
+                if (isMainBranch() || env.BRANCH_NAME == 'release') {
                     sendFailureMessage()
                 }
             }
@@ -154,7 +154,7 @@ String getPomVersion(String pomFile){
 String generateImageTag() {
     def imageTag = "${env.BRANCH_NAME}-${getPomVersion('pom.xml')}"
 
-    if (env.BRANCH_NAME == 'master') {
+    if (isMainBranch()) {
         imageTag += "-${env.GIT_COMMIT.take(7)}"
     }
 
@@ -174,9 +174,9 @@ Void configureGit() {
 Void sendFailureMessage() {
     def room = ''
     def data = """{"msgtype":"m.text", \
-                    "body":"MUK-Postfach: Build Failed. Stage: ${FAILED_STAGE} Build-ID: ${env.BUILD_NUMBER} Link: ${BLUE_OCEAN_URL}", \
+                    "body":"MUK-Postfach: Build Failed. Stage: ${FAILED_STAGE} Build-ID: ${env.BUILD_NUMBER} Link: ${JENKINS_URL}", \
                     "format": "org.matrix.custom.html", \
-                    "formatted_body":"MUK-Postfach: Build Failed. Stage: ${FAILED_STAGE} Build-ID: <a href='${BLUE_OCEAN_URL}'>${env.BUILD_NUMBER}</a>"}"""
+                    "formatted_body":"MUK-Postfach: Build Failed. Stage: ${FAILED_STAGE} Build-ID: <a href='${JENKINS_URL}'>${env.BUILD_NUMBER}</a>"}"""
        
     if (env.BRANCH_NAME == 'main') {
         room = "!iQPAvQIiRwRpNOszjw:matrix.ozg-sh.de"
@@ -193,3 +193,7 @@ String getElementAccessToken() {
         return readJSON ( text: sh (script: '''curl -XPOST -d \"$LOGIN_JSON\" https://matrix.ozg-sh.de/_matrix/client/v3/login''', returnStdout: true)).access_token
     }
 }
+
+Boolean isMainBranch() {
+    return env.BRANCH_NAME == 'main'
+}