Fix WorldEditWrapper not loading schematics in 1.21

SpigotCore/SpigotCore_14/src/de/steamwar/core/WorldEditWrapper14.java

@@ -67,36 +67,31 @@ public class WorldEditWrapper14 implements WorldEditWrapper {
     }
 
     @Override
-    public void setPlayerClipboard(Player player, InputStream is, NodeData.SchematicFormat schemFormat) {
-        Clipboard clipboard = null;
-        try {
-            clipboard = getClipboard(is, schemFormat);
-        } catch (IOException e) {
-            throw new RuntimeException(e.getMessage(), e);
-        }
-
-        if (clipboard == null)
-            throw new NoClipboardException();
-
+    public void setPlayerClipboard(Player player, Clipboard clipboard) {
         Actor actor = WorldEditWrapper.getWorldEditPlugin().wrapCommandSender(player);
         WorldEditWrapper.getWorldEditPlugin().getWorldEdit().getSessionManager().get(actor).setClipboard(new ClipboardHolder(clipboard));
     }
 
     @Override
-    public Clipboard getClipboard(InputStream is, NodeData.SchematicFormat schemFormat) throws IOException {
-        try {
+    public Clipboard getClipboard(NodeData data) throws IOException {
+        InputStream is = data.schemData(true);
+        return readClipboard(is, data.getNodeFormat());
+    }
 
-            switch (schemFormat) {
-                case SPONGE_V2:
-                case SPONGE_V3:
-                    return new SpongeSchematicReader(new NBTInputStream(is), this).read();
-                case MCEDIT:
-                    return new MCEditSchematicReader(new NBTInputStream(is)).read();
-                default:
-                    throw new IOException("This schematic format is currently not supported");
-            }
-        } catch (NullPointerException e) {
-            throw new NoClipboardException();
+    @Override
+    public Clipboard getClipboard(InputStream inputStream) throws IOException {
+        return readClipboard(inputStream, getNativeFormat());
+    }
+
+    private Clipboard readClipboard(InputStream is, NodeData.SchematicFormat format) throws IOException {
+        switch (format) {
+            case SPONGE_V2:
+            case SPONGE_V3:
+                return new SpongeSchematicReader(new NBTInputStream(is), this).read();
+            case MCEDIT:
+                return new MCEditSchematicReader(new NBTInputStream(is)).read();
+            default:
+                throw new IOException("This schematic format is currently not supported");
         }
     }