Show Title and Version of package in Status

Author: debuglevel

build.gradle

@@ -28,7 +28,7 @@ compileTestKotlin {
 }
 
 group 'de.debuglevel.sparkmicroserviceutils'
-version '0.0.14'
+version '0.0.16'
 
 sourceCompatibility = 1.8
 
@@ -91,6 +91,7 @@ bintray {
     key = System.getenv('BINTRAY_API_KEY')
     publications = ['javaMaven']
     publish = true
+    override = true
     pkg {
         repo = 'maven'
         name = 'sparkmicroserviceutils'

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.8-all.zip

src/main/kotlin/de/debuglevel/microservices/utils/status/Status.kt

@@ -11,25 +11,31 @@ var status = "up"
 
 /**
  * Sets a path to /status/ which returns a JSON object about the current server status and environment information
+ * @param clazz A class of the package to show the "version" and "title" attributes for (usually a class of your microservice).
  */
-fun status() {
+fun status(clazz: Class<*>) {
     logger.info("Activating path /status/")
 
     Spark.path("/status") {
         get("/") {
             logger.info("Got request for /status/")
 
             type(contentType = "application/json")
-            buildStatusJson()
+            buildStatusJson(clazz)
         }
     }
 }
 
-private fun buildStatusJson(): String {
+/**
+ * @param clazz A class of the package to show the "version" and "title" attributes for.
+ */
+private fun buildStatusJson(clazz: Class<*>): String {
     return """
                 {
                     "status":"$status",
                     "uptime":"${getUptime()}",
+                    "version":"${Version.getVersion(clazz)}",
+                    "title":"${Version.getTitle(clazz)}",
                     "jvmName":"${ManagementFactory.getRuntimeMXBean().name}",
                     "jvmSpecName":"${ManagementFactory.getRuntimeMXBean().specName}",
                     "jvmSpecVendor":"${ManagementFactory.getRuntimeMXBean().specVendor}",

src/main/kotlin/de/debuglevel/microservices/utils/status/Version.kt

@@ -0,0 +1,21 @@
+package de.debuglevel.microservices.utils.status
+
+object Version {
+    /**
+     * Gets the version (as defined in the MANIFEST.MF) of a package which contains a class.
+     *
+     * Depending on the method of creating a shadowed/fat jar, this may always be the value of the main package even if the class does not belong to the main package.
+     *
+     * @param clazz A class of the package to inspect
+     */
+    fun getVersion(clazz: Class<*>) = clazz.getPackage().implementationVersion ?: "unknown version"
+
+    /**
+     * Gets the title (as defined in the MANIFEST.MF) of a package which contains a class.
+     *
+     * Depending on the method of creating a shadowed/fat jar, this may always be the value of the main package even if the class does not belong to the main package.
+     *
+     * @param clazz A class of the package to inspect
+     */
+    fun getTitle(clazz: Class<*>) = clazz.getPackage().implementationTitle ?: "unknown title"
+}