[done] migrates to maven

src/main/java/de/pzzz/vertx/worker/FileSaveController.java

@@ -0,0 +1,38 @@
+package de.pzzz.vertx.worker;
+
+import java.nio.file.Paths;
+
+import io.vertx.core.Vertx;
+
+public abstract class FileSaveController<T> extends WorkerController<T,SaveFile> {
+    private final String parentJobId;
+    private final String fileExtension;
+
+    public FileSaveController(final int maxWorkers, final Vertx vertx, final String parentJobId, final String fileExtension) {
+        super(maxWorkers, vertx, null);
+        this.parentJobId = parentJobId;
+        if (!fileExtension.startsWith(".")) {
+            this.fileExtension = "." + fileExtension;
+        } else {
+            this.fileExtension = fileExtension;
+        }
+    }
+
+    protected abstract byte[] getContent(final T saveObject);
+
+    protected abstract String getFilename(final T saveObject);
+
+    @Override
+    protected Class<? extends WorkerVerticle<SaveFile>> workerVerticleClass() {
+        return FileSaveVerticle.class;
+    }
+
+    @Override
+    protected SaveFile getRequest(final T saveObject) {
+        String fileName = Paths.get(parentJobId, getFilename(saveObject) + fileExtension).toString();
+        SaveFile saveTarget = new SaveFile();
+        saveTarget.setName(fileName);
+        saveTarget.setContent(getContent(saveObject));
+        return saveTarget;
+    }
+}