From 108df5e1cc640070d1b03fb2dfd99306e661b8fe Mon Sep 17 00:00:00 2001
From: Thomas <>
Date: Fri, 18 Jun 2021 08:18:59 +0200
Subject: update some log messages

---
 .../eaaf/utils/springboot/utils/VersionHolder.java | 42 ++++++++++++++++++++++
 .../test/SimpleSpringBootStarterTest.java          | 21 ++++++++---
 2 files changed, 58 insertions(+), 5 deletions(-)
 create mode 100644 eaaf-springboot-utils/src/main/java/at/gv/egiz/eaaf/utils/springboot/utils/VersionHolder.java

(limited to 'eaaf-springboot-utils')

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;
+    
+  }
+}
diff --git a/eaaf-springboot-utils/src/test/java/at/gv/egiz/eaaf/utils/springboot/test/SimpleSpringBootStarterTest.java b/eaaf-springboot-utils/src/test/java/at/gv/egiz/eaaf/utils/springboot/test/SimpleSpringBootStarterTest.java
index 611cc3aa..e0c478af 100644
--- a/eaaf-springboot-utils/src/test/java/at/gv/egiz/eaaf/utils/springboot/test/SimpleSpringBootStarterTest.java
+++ b/eaaf-springboot-utils/src/test/java/at/gv/egiz/eaaf/utils/springboot/test/SimpleSpringBootStarterTest.java
@@ -1,5 +1,8 @@
 package at.gv.egiz.eaaf.utils.springboot.test;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
 import java.io.IOException;
 
 import org.apache.http.client.ClientProtocolException;
@@ -17,6 +20,7 @@ import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactor
 import org.springframework.context.ConfigurableApplicationContext;
 
 import at.gv.egiz.eaaf.utils.springboot.test.dummy.DummySpringBootApp;
+import at.gv.egiz.eaaf.utils.springboot.utils.VersionHolder;
 
 public class SimpleSpringBootStarterTest {
 
@@ -29,13 +33,15 @@ public class SimpleSpringBootStarterTest {
     ConfigurableApplicationContext ctx = DummySpringBootApp.getCtx();
     Assert.assertNotNull("SpringBootContext", ctx);
     
-    //check if AJP Connector config was set
+    // check if AJP Connector config was set
     TomcatServletWebServerFactory ajp = ctx.getBean(TomcatServletWebServerFactory.class);
     Assert.assertNotNull("No AJP connector", ajp);
     
-    //check simple http calls
+    // check simple http calls
     testSimpleHttpCall();
     
+    // check version holder
+    checkVersionHolder(ctx);
     
     
     SpringApplication.exit(ctx, new ExitCodeGenerator() {      
@@ -51,12 +57,17 @@ public class SimpleSpringBootStarterTest {
     // check if authentication works on actuator end-point
     final HttpClientBuilder builder = HttpClients.custom();
     final CloseableHttpClient client = builder.build();
-    Assert.assertNotNull("httpClient", client);
+    assertNotNull("httpClient", client);
 
     final HttpUriRequest httpGet1 = new HttpGet("http://localhost:8080/junit");
     final CloseableHttpResponse httpResp1 = client.execute(httpGet1);
-    Assert.assertEquals("http statusCode", 200, httpResp1.getStatusLine().getStatusCode());
+    assertEquals("http statusCode", 200, httpResp1.getStatusLine().getStatusCode());
+    
+  }
+
+  private void checkVersionHolder(ConfigurableApplicationContext ctx) {
+    VersionHolder versionHolder = ctx.getBean(VersionHolder.class);
+    assertEquals("can not extract version", "unknown", versionHolder.getVersion());
     
   }
-  
 }
-- 
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