added nexus step to jenkinsfile

Jenkinsfile

@@ -2,6 +2,13 @@ pipeline {
 	agent any
     tools{
         maven 'maven'
+    }
+    environment {
+        NEXUS_VERSION = "nexus3"
+        NEXUS_PROTOCOL = "http"
+        NEXUS_URL = "10.20.3.15:8081"
+        NEXUS_REPOSITORY = "maven-nexus-repo-jenkins"
+        NEXUS_CREDENTIAL_ID = "nexus-jenkins"
     }
 	stages {
 		 stage('Git Checkout') {
@@ -31,5 +38,40 @@ pipeline {
                 }
             }
         }
+        stage("Pulbish to Nexus"){
+            steps{
+                script{
+                    pom = readMavenPom file: "pom.xml";
+                    filesByGlob = findFiles(glob: "target/*.${pom.packaging}");
+                    echo "${filesByGlob[0].name} ${filesByGlob[0].path} ${filesByGlob[0].directory} ${filesByGlob[0].length} ${filesByGlob[0].lastModified}"
+                    artifactPath = filesByGlob[0].path;
+                    artifactExists = fileExists artifactPath;
+                    if(artifactExists) {
+                        echo "*** File: ${artifactPath}, group: ${pom.groupId}, packaging: ${pom.packaging}, version ${pom.version}";
+                        nexusArtifactUploader(
+                            nexusVersion: NEXUS_VERSION,
+                            protocol: NEXUS_PROTOCOL,
+                            nexusUrl: NEXUS_URL,
+                            groupId: pom.groupId,
+                            version: pom.version,
+                            repository: NEXUS_REPOSITORY,
+                            credentialsId: NEXUS_CREDENTIAL_ID,
+                            artifacts: [
+                                [artifactId: pom.artifactId,
+                                classifier: '',
+                                file: artifactPath,
+                                type: pom.packaging],
+                                [artifactId: pom.artifactId,
+                                classifier: '',
+                                file: "pom.xml",
+                                type: "pom"]
+                            ]
+                        );
+                    } else {
+                        error "*** File: ${artifactPath}, could not be found";
+                    }
+                }
+            }
+        }
 	}
 }