Quarkus Projekt Struktur und SFTP Zugriff implementiert
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package de.galabau.dateieingang.pipeline;
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import de.galabau.dateieingang.exception.OciException;
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import de.galabau.dateieingang.exception.OrdsException;
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import de.galabau.dateieingang.exception.SftpException;
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import de.galabau.dateieingang.exception.ZipException;
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import de.galabau.dateieingang.model.ProcessingContext;
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import de.galabau.dateieingang.model.ProcessingStatus;
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import de.galabau.dateieingang.oci.OciUploadService;
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import de.galabau.dateieingang.ords.OrdsNotificationService;
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import de.galabau.dateieingang.sftp.SftpService;
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import de.galabau.dateieingang.zip.ZipExtractionService;
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import io.quarkus.logging.Log;
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import jakarta.enterprise.context.ApplicationScoped;
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import jakarta.inject.Inject;
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import org.eclipse.microprofile.context.ManagedExecutor;
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import org.slf4j.MDC;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.Comparator;
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import java.util.List;
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import java.util.UUID;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.stream.Stream;
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/**
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* Orchestriert den gesamten Dateieingang-Workflow: SFTP → ZIP → OCI → ORDS.
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* Läuft asynchron im Hintergrund, gibt dem Aufrufer sofort zurück.
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*/
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@ApplicationScoped
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public class FileProcessingPipeline {
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@Inject
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SftpService sftpService;
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@Inject
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ZipExtractionService zipExtractionService;
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@Inject
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OciUploadService ociUploadService;
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@Inject
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OrdsNotificationService ordsNotificationService;
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@Inject
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ManagedExecutor executor;
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private final AtomicBoolean isRunning = new AtomicBoolean(false);
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/**
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* Startet die Pipeline asynchron im Hintergrund (fire & forget).
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* Gibt {@code false} zurück wenn bereits ein Lauf aktiv ist.
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*
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* @return {@code true} wenn die Pipeline gestartet wurde, {@code false} bei aktivem Lauf
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*/
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public boolean tryProcessAllAsync() {
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if (!isRunning.compareAndSet(false, true)) {
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Log.warn("Pipeline läuft bereits — neuer Trigger abgewiesen");
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return false;
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}
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executor.submit(() -> {
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try {
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processAll();
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} finally {
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isRunning.set(false);
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}
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});
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return true;
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}
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void processAll() {
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Log.info("Pipeline-Lauf gestartet");
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List<String> zipFiles;
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try {
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zipFiles = sftpService.listZipFiles();
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} catch (SftpException e) {
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Log.errorf(e, "SFTP-Listing fehlgeschlagen — Pipeline-Lauf abgebrochen");
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return;
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}
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if (zipFiles.isEmpty()) {
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Log.info("Keine neuen ZIP-Dateien auf dem SFTP-Server gefunden");
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return;
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}
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Log.infof("%d neue ZIP-Datei(en) auf dem SFTP-Server gefunden", zipFiles.size());
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for (String zipFilename : zipFiles) {
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Log.infof("Datei gefunden: %s", zipFilename);
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processZip(zipFilename);
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}
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Log.info("Pipeline-Lauf abgeschlossen");
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}
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private void processZip(String zipFilename) {
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ProcessingContext context = new ProcessingContext(UUID.randomUUID(), zipFilename);
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MDC.put("runId", context.runId.toString());
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try {
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// --- Download ---
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MDC.put("step", "sftp-download");
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context.localZipPath = sftpService.download(zipFilename);
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Log.infof("ZIP '%s' heruntergeladen (%d Bytes)", zipFilename,
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Files.size(context.localZipPath));
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// --- Entpacken ---
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MDC.put("step", "zip-extract");
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zipExtractionService.extract(context);
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Log.infof("ZIP '%s' entpackt: %d Datei(en)", zipFilename,
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context.extractedFiles.size());
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// --- OCI Upload (Stub) ---
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MDC.put("step", "oci-upload");
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ociUploadService.upload(context);
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// --- SFTP Rename → .processed ---
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MDC.put("step", "sftp-rename");
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sftpService.renameRemote(zipFilename, zipFilename + ".processed");
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Log.infof("SFTP Rename: '%s' → '%s.processed'", zipFilename, zipFilename);
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// --- ORDS Notify (Stub) ---
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MDC.put("step", "ords-notify");
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ordsNotificationService.notify(context);
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context.status = ProcessingStatus.ORDS_NOTIFIED;
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} catch (SftpException | ZipException | OciException | OrdsException e) {
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Log.errorf(e, "Verarbeitung von '%s' fehlgeschlagen: %s", zipFilename, e.getMessage());
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context.status = ProcessingStatus.FAILED;
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tryRenameToError(zipFilename);
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} catch (IOException e) {
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Log.errorf(e, "I/O-Fehler bei der Verarbeitung von '%s'", zipFilename);
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context.status = ProcessingStatus.FAILED;
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tryRenameToError(zipFilename);
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} finally {
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cleanup(context);
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MDC.clear();
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}
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}
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private void tryRenameToError(String zipFilename) {
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try {
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MDC.put("step", "sftp-rename");
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sftpService.renameRemote(zipFilename, zipFilename + ".error");
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Log.infof("SFTP Rename: '%s' → '%s.error'", zipFilename, zipFilename);
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} catch (SftpException e) {
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Log.warnf(e, "Umbenennen zu .error fehlgeschlagen für '%s' — Datei bleibt auf SFTP zur manuellen Prüfung",
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zipFilename);
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}
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}
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private void cleanup(ProcessingContext context) {
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MDC.put("step", "cleanup");
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try {
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if (context.localZipPath != null) {
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Files.deleteIfExists(context.localZipPath);
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Log.debugf("Lokale ZIP gelöscht: %s", context.localZipPath);
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}
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if (context.localExtractDir != null) {
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deleteLocalDirectory(context.localExtractDir);
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Log.debugf("Lokales Entpack-Verzeichnis gelöscht: %s", context.localExtractDir);
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}
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} catch (IOException e) {
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Log.warnf(e, "Cleanup für Lauf %s fehlgeschlagen — lokale Dateien verbleiben ggf. in %s",
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context.runId,
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context.localZipPath != null ? context.localZipPath.getParent() : "unbekannt");
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}
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}
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private void deleteLocalDirectory(Path dir) throws IOException {
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if (!Files.exists(dir)) {
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return;
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}
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try (Stream<Path> walk = Files.walk(dir)) {
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walk.sorted(Comparator.reverseOrder()).forEach(path -> {
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try {
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Files.delete(path);
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} catch (IOException e) {
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Log.warnf(e, "Konnte nicht löschen: %s", path);
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}
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});
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}
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}
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}
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