1 files changed, 42 insertions, 0 deletions
diff --git a/eaaf-springboot-utils/src/main/java/at/gv/egiz/eaaf/utils/springboot/utils/VersionHolder.java b/eaaf-springboot-utils/src/main/java/at/gv/egiz/eaaf/utils/springboot/utils/VersionHolder.java
new file mode 100644
index 00000000..9d996853
--- /dev/null
+++ b/eaaf-springboot-utils/src/main/java/at/gv/egiz/eaaf/utils/springboot/utils/VersionHolder.java
@@ -0,0 +1,42 @@
+package at.gv.egiz.eaaf.utils.springboot.utils;
+
+import java.util.Optional;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ApplicationContext;
+import org.springframework.stereotype.Service;
+
+/**
+ * SpringBoot based implementation of an application-version holder.
+ * 
+ * @author tlenz
+ *
+ */
+@Service
+public class VersionHolder {
+
+  private final String version;
+
+  /**
+   * Holder that extracts the current version of the SpringBoot application.
+   *  
+   * @param context Spring ApplicationContext
+   */
+  public VersionHolder(ApplicationContext context) {
+    version = context.getBeansWithAnnotation(SpringBootApplication.class).entrySet().stream()
+        .findFirst()                
+        .flatMap(es -> Optional.ofNullable(es.getValue().getClass().getPackage().getImplementationVersion()))
+        .orElse("unknown");
+    
+  }
+
+  /**
+   * Get version of this application.
+   * 
+   * @return version
+   */
+  public String getVersion() {
+    return version;
+    
+  }
+}