[DS-4390] cleanup retrieval of DSpaceRunnable by name and cleanup in ScriptLauncher.java

dspace-api/src/main/java/org/dspace/scripts/ScriptServiceImpl.java

@@ -0,0 +1,31 @@
+/**
+ * The contents of this file are subject to the license and copyright
+ * detailed in the LICENSE and NOTICE files at the root of the source
+ * tree and available online at
+ *
+ * http://www.dspace.org/license/
+ */
+package org.dspace.scripts;
+
+import java.util.List;
+
+import org.apache.commons.lang3.StringUtils;
+import org.dspace.scripts.service.ScriptService;
+import org.springframework.beans.factory.annotation.Autowired;
+
+/**
+ * The implementation for the {@link ScriptService}
+ */
+public class ScriptServiceImpl implements ScriptService {
+
+    @Autowired
+    private List<DSpaceRunnable> dSpaceRunnables;
+
+    @Override
+    public DSpaceRunnable getScriptForName(String name) {
+        return dSpaceRunnables.stream()
+                              .filter(dSpaceRunnable -> StringUtils.equalsIgnoreCase(dSpaceRunnable.getName(), name))
+                              .findFirst()
+                              .orElse(null);
+    }
+}