From 8aba1b4f18f5fbfebdf239b4b4945b628e439905 Mon Sep 17 00:00:00 2001
From: Christof Rabensteiner <christof.rabensteiner@iaik.tugraz.at>
Date: Tue, 9 Jul 2019 14:11:47 +0200
Subject: Refactor Needles Interfaces and Rename "process" to "backend"

Reason:
- Interfaces with a single method can be replaced with
  interfaces from java.util.function.
- Less interfaces = less code = less maintenance!
- Spring can inject beans by name so we name dependencies correctly
  to prevent ambiguity.

Others:
- Rename process to backend since backend gives a better description
  of its components.
---
 .../egiz/moazs/process/SaveResponseToFileSink.java | 87 ----------------------
 1 file changed, 87 deletions(-)
 delete mode 100644 src/main/java/at/gv/egiz/moazs/process/SaveResponseToFileSink.java

(limited to 'src/main/java/at/gv/egiz/moazs/process/SaveResponseToFileSink.java')

diff --git a/src/main/java/at/gv/egiz/moazs/process/SaveResponseToFileSink.java b/src/main/java/at/gv/egiz/moazs/process/SaveResponseToFileSink.java
deleted file mode 100644
index 09d8570..0000000
--- a/src/main/java/at/gv/egiz/moazs/process/SaveResponseToFileSink.java
+++ /dev/null
@@ -1,87 +0,0 @@
-package at.gv.egiz.moazs.process;
-
-import at.gv.egiz.moazs.repository.DeliveryRepository;
-import at.gv.egiz.moazs.scheme.Marshaller;
-import at.gv.egiz.moazs.scheme.MsgResponse;
-import org.apache.commons.io.FileUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
-
-import java.io.File;
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.concurrent.CompletableFuture;
-
-import static at.gv.egiz.moazs.MoaZSException.moaZSException;
-import static java.lang.String.format;
-import static java.util.concurrent.CompletableFuture.allOf;
-import static java.util.concurrent.CompletableFuture.supplyAsync;
-
-@Component
-public class SaveResponseToFileSink implements MsgResponseSink {
-
-    private static final Logger log = LoggerFactory.getLogger(SaveResponseToFileSink.class);
-    private static final String SAVING_FAILED_MSG = "Could not save response with AppDeliveryId=%s.";
-
-    private final SimpleDateFormat isoFormatter;
-    private final Marshaller msgMarshaller;
-    private final DeliveryRepository repository;
-    private final String root;
-
-    @Autowired
-    public SaveResponseToFileSink(Marshaller msgMarshaller, DeliveryRepository repository, String root) {
-        this.msgMarshaller = msgMarshaller;
-        this.repository = repository;
-        this.root = root;
-        this.isoFormatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
-    }
-
-    @Override
-    public CompletableFuture<Void> handle(MsgResponse response) {
-
-        var responseID = response.getResponseID();
-
-        var responsePath = generatePath(responseID, "xml");
-        var storeResponseToFileSystemFuture = supplyAsync(() -> msgMarshaller.marshallXml(response.getResponse()))
-                .thenApply(responseString -> responseString.getBytes(StandardCharsets.UTF_8))
-                .thenAccept(responseByteArray -> storeToFile(responsePath, responseByteArray))
-                .exceptionally(ex -> logException(ex, responseID));
-
-        var binaryResponsePath = generatePath(responseID, "binary.xml");
-        var storeBinaryResponseToFileSystemFuture = supplyAsync(() -> repository.retrieveBinaryResponse(responseID).get())
-                .thenAccept(binaryResponseByteArray -> storeToFile(binaryResponsePath, binaryResponseByteArray))
-                .exceptionally(ex -> logException(ex, responseID));
-
-        return allOf(storeResponseToFileSystemFuture, storeBinaryResponseToFileSystemFuture);
-
-    }
-
-    private String generatePath(String id, String suffix) {
-        var folder = sanitizeFileString(id);
-        var nowInIso8601 = isoFormatter.format(new Date());
-        return format("%s/%s/%s.%s", root, folder, nowInIso8601,  suffix);
-    }
-
-    private String sanitizeFileString(String fileString) {
-        return fileString.replaceAll("[^a-zA-Z0-9\\._\\-]", "");
-    }
-
-    private Void logException(Throwable ex, String appDeliveryID) {
-        if(log.isErrorEnabled()) {
-            log.error(format(SAVING_FAILED_MSG, appDeliveryID), ex);
-        }
-        return null;
-    }
-
-    private void storeToFile(String path, byte[] content) {
-        try {
-            FileUtils.writeByteArrayToFile(new File(path), content);
-        } catch (IOException e) {
-            throw moaZSException(e.getMessage(), e);
-        }
-    }
-}
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