Demo

Parvatam · Parvatam · commit ff47ec29976f · 2019-04-30T16:17:30.000-04:00
diff --git a/pom.xml b/pom.xml
@@ -76,6 +76,12 @@
       <artifactId>spring-boot-devtools</artifactId>
       <scope>runtime</scope>
     </dependency>
+
+    <dependency>
+      <groupId>org.jscience</groupId>
+      <artifactId>jscience</artifactId>
+      <version>4.3.1</version>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java
@@ -25,6 +25,10 @@
 import org.springframework.context.annotation.Bean;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
+import static javax.measure.unit.SI.KILOGRAM;
+import javax.measure.quantity.Mass;
+import org.jscience.physics.model.RelativisticModel;
+import org.jscience.physics.amount.Amount;
 
 import javax.sql.DataSource;
 import java.sql.Connection;
@@ -74,6 +78,14 @@ String db(Map<String, Object> model) {
     }
   }
 
+  @RequestMapping("/hello")
+  String hello(Map<String, Object> model) {
+    RelativisticModel.select();
+    Amount<Mass> m = Amount.valueOf("12 GeV").to(KILOGRAM);
+    model.put("science", "E=mc^2: 12 GeV = " + m.toString());
+    return "hello";
+  }
+
   @Bean
   public DataSource dataSource() throws SQLException {
     if (dbUrl == null || dbUrl.isEmpty()) {
diff --git a/src/main/resources/templates/hello.html b/src/main/resources/templates/hello.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org" th:replace="~{fragments/layout :: layout (~{::body},'hello')}">
+<body>
+<div class="container">
+    <p th:text="${science}"/>
+</div>
+</body>
+</html>
