Pushed missing FileCopyHandler

src/main/java/eu/crushedpixel/replaymod/registry/FileCopyHandler.java

@@ -0,0 +1,59 @@
+package eu.crushedpixel.replaymod.registry;
+
+import org.apache.commons.lang3.tuple.Pair;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+import java.util.ArrayList;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedQueue;
+
+public class FileCopyHandler extends Thread {
+
+    public FileCopyHandler() {
+        Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
+            @Override
+            public void run() {
+                FileCopyHandler.this.shutdown();
+            }
+        }));
+    }
+
+    private Queue<Pair<File, File>> filesToMove = new ConcurrentLinkedQueue<Pair<File, File>>();
+
+    public void registerModifiedFile(File tempFile, File destination) {
+        filesToMove.add(Pair.of(tempFile, destination));
+
+        for(Pair<File, File> p : new ArrayList<Pair<File, File>>(filesToMove)) {
+            if(p.equals(tempFile)) {
+                filesToMove.remove(p);
+            }
+        }
+    }
+
+    public void shutdown() {
+        shutdown = true;
+    }
+
+    private boolean shutdown = false;
+
+    @Override
+    public void run() {
+        while(!shutdown || !filesToMove.isEmpty()) {
+            Pair<File, File> mv = filesToMove.poll();
+            if(mv != null) {
+                try {
+                    Files.move(mv.getLeft().toPath(), mv.getRight().toPath(), StandardCopyOption.REPLACE_EXISTING);
+                } catch(IOException e) {
+                    filesToMove.add(mv);
+                }
+            }
+            try {
+                Thread.sleep(1000);
+            } catch(Exception e) {}
+        }
+    }
+
+}