make stuff work from within jar

README.md

@@ -1,5 +1,16 @@
+# Java
+Build jars (fat and thin jar): `mvn -DskipTests=true clean dependency:copy-dependencies package`
+
+## Thin jar, no Manifest
+`java -classpath "target/server-1.0-SNAPSHOT.jar:target/dependency/*" ch.ibw.appl.todo.server.Main --test=true`
+
+## Fat jar, with Manifest
+This does not work with hsqldb in memory database. Hence, you require a running mysql/mariadb database.
+
+`java -jar target/server-1.0-SNAPSHOT-jar-with-dependencies.jar`
+
 # Docker
 
-Build image with `docker build --tag todomvc-java-server .`
+Build image `docker build --tag todomvc-java-server .`
 
-Run built image with `docker run --rm -p 4567:4567 todomvc-java-server` 
+Run built image `docker run --rm -p 4567:4567 todomvc-java-server` 

src/main/java/ch/ibw/appl/todo/server/item/infra/TodoItemSQL2ORepository.java

@@ -8,6 +8,7 @@
 import org.sql2o.Sql2o;
 
 import java.io.IOException;
+import java.io.InputStream;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.util.List;
@@ -35,10 +36,9 @@ public class TodoItemSQL2ORepository implements TodoItemRepository<TodoItem> {
   }
 
   private void executeFile(Connection conn, String resourcePath) {
-    String path = getClass().getClassLoader().getResource(resourcePath).getPath();
     String content;
-    try {
-      content = new String(Files.readAllBytes(Paths.get(path)));
+    try (InputStream stream = getClass().getClassLoader().getResourceAsStream(resourcePath)) {
+        content = new String(stream.readAllBytes());
     } catch (IOException e) {
       throw new RuntimeException(e);
     }