Add Windows compatibility for Jenkins pipeline

jenkins/Jenkinsfile

@@ -6,12 +6,12 @@ pipeline {
     stages {
         stage('Build') {
             steps {
-                sh 'mvn -B -DskipTests clean package'
+                bat '"%MAVEN_HOME%\\bin\\mvn" -B -DskipTests clean package'
             }
         }
         stage('Test') {
             steps {
-                sh 'mvn test'
+                bat '"%MAVEN_HOME%\\bin\\mvn" test'
             }
             post {
                 always {
@@ -21,7 +21,7 @@ pipeline {
         }
         stage('Deliver') { 
             steps {
-                sh './jenkins/scripts/deliver.sh' 
+                bat 'jenkins\\scripts\\deliver.bat'
             }
         }
     }

jenkins/scripts/deliver.bat

@@ -0,0 +1,22 @@
+@echo off
+echo The following Maven command installs your Maven-built Java application
+echo into the local Maven repository, which will ultimately be stored in
+echo Jenkins's local Maven repository (and the "maven-repository" Docker data volume).
+
+REM Run Maven install
+mvn jar:jar install:install help:evaluate -Dexpression=project.name
+
+echo The following command extracts the value of the <name/> element
+echo within <project/> of your Java/Maven project's "pom.xml" file.
+
+FOR /F "delims=" %%i IN ('mvn -q -DforceStdout help:evaluate -Dexpression=project.name') DO SET NAME=%%i
+
+echo The following command behaves similarly to the previous one but
+echo extracts the value of the <version/> element within <project/> instead.
+
+FOR /F "delims=" %%i IN ('mvn -q -DforceStdout help:evaluate -Dexpression=project.version') DO SET VERSION=%%i
+
+echo The following command runs and outputs the execution of your Java
+echo application (which Jenkins built using Maven) to the Jenkins UI.
+
+java -jar target\%NAME%-%VERSION%.jar