Move the "getRenamedWorkerReport"-code in its own method.

src/main/java/eu/openaire/urls_controller/services/UrlsServiceImpl.java

@@ -515,30 +515,7 @@ public class UrlsServiceImpl implements UrlsService {
         // Rename the worker-report to indicate success or failure.
         String workerReportBaseName = this.workerReportsDirPath + File.separator + workerId + File.separator + workerId + "_assignments_" + assignmentRequestCounter + "_report";
         File workerReport = new File(workerReportBaseName + ".json");
-        File renamedWorkerReport = null;
+        File renamedWorkerReport = getRenamedWorkerReport(workerReportBaseName, workerReport, errorMsg);    // It may return null.
-        boolean wasWorkerReportRenamed = true;
-        try {
-            // Check if the workerReport does not exist under this name, as it may have been renamed previously to "failed" and now is the 2nd try.
-            if ( !workerReport.isFile() ) {
-                // Then this is the 2nd try and the report has already been renamed to "failed" the 1st time.
-                workerReport = new File(workerReportBaseName + "_failed.json");
-                if ( !workerReport.isFile() ) {    // In this case, an error exists, since this file was deleted before its time.
-                    logger.error("The workerReport file \"" + workerReport.getAbsolutePath() + "\" does not exist!");
-                    wasWorkerReportRenamed = false; // Do not proceed on renaming the non-existing file.
-                    // TODO - Do we need additional handling? This report may be either successful or failed but the file was deleted.
-                }
-            }
-            if ( wasWorkerReportRenamed ) { // Only if the file exists.
-                renamedWorkerReport = new File(workerReportBaseName + ((errorMsg == null) ? "_successful.json" : "_failed.json"));
-                if ( !workerReport.renameTo(renamedWorkerReport) ) {
-                    logger.warn("There was a problem when renaming the workerReport: " + workerReport.getName());
-                    wasWorkerReportRenamed = false;
-                }
-            }
-        } catch (Exception e) {
-            logger.error("There was a problem when renaming the workerReport: " + workerReport.getName(), e);
-            wasWorkerReportRenamed = false;
-        }
 
         // Get the IP of this worker.
         WorkerInfo workerInfo = UrlsController.workersInfoMap.get(workerId);
@@ -558,7 +535,7 @@ public class UrlsServiceImpl implements UrlsService {
                 logger.error("HTTP-Connection problem with the submission of the \"postReportResultToWorker\" of worker \"" + workerId + "\" and assignments_" + assignmentRequestCounter + "! Error-code was: " + responseCode);
                 return false;
             } else if ( errorMsg == null )  // If the worker was notified, then go delete the successful workerReport.
-                fileUtils.deleteFile(wasWorkerReportRenamed ? renamedWorkerReport.getAbsolutePath() : workerReport.getAbsolutePath());
+                fileUtils.deleteFile((renamedWorkerReport != null) ? renamedWorkerReport.getAbsolutePath() : workerReport.getAbsolutePath());
             return true;
         } catch (HttpServerErrorException hsee) {
             logger.error("The Worker \"" + workerId + "\" failed to handle the \"postReportResultToWorker\", of assignments_" + assignmentRequestCounter + ": " + hsee.getMessage());
@@ -580,6 +557,34 @@ public class UrlsServiceImpl implements UrlsService {
     }
 
 
+    private static File getRenamedWorkerReport(String workerReportBaseName, File workerReport, String errorMsg)
+    {
+        File renamedWorkerReport = null;
+        try {
+            // Check if the workerReport does not exist under this name, as it may have been renamed previously to "failed" and now is the 2nd try.
+            if ( !workerReport.isFile() ) {
+                // Then this is the 2nd try and the report has already been renamed to "failed" the 1st time.
+                workerReport = new File(workerReportBaseName + "_failed.json");
+                if ( !workerReport.isFile() ) {    // In this case, an error exists, since this file was deleted before its time.
+                    logger.error("The workerReport file \"" + workerReport.getAbsolutePath() + "\" does not exist!");
+                    // TODO - Do we need additional handling? This report may be either successful or failed but the file was deleted.
+                    return null; // Do not proceed on renaming the non-existing file.
+                }
+            }
+            // Only if the file exists, proceed to renaming it.
+            renamedWorkerReport = new File(workerReportBaseName + ((errorMsg == null) ? "_successful.json" : "_failed.json"));
+            if ( !workerReport.renameTo(renamedWorkerReport) ) {
+                logger.warn("There was a problem when renaming the workerReport: " + workerReport.getName());
+                return null;
+            }
+        } catch (Exception e) {
+            logger.error("There was a problem when renaming the workerReport: " + workerReport.getName(), e);
+            return null;
+        }
+        return renamedWorkerReport;
+    }
+
+
     // The "batchExecute" does not work in this Impala-Database, so this is a "giant-query" solution.
     // Note: this causes an "Out of memory"-ERROR in the current version of the Impala JDBC driver. If a later version is provided, then this code should be tested.
     private static PreparedStatement constructLargeInsertQuery(Connection con, String baseInsertQuery, int dataSize, int numParamsPerRow) throws RuntimeException {