Check the value of the "bioformats2raw.layout" attribute

Fail fast if the attribute is missing or indicates an unsupported format version.
glencoesoftware · May 1, 2020 · ebb14c7 · ebb14c7
1 parent 5a2e1f0
commit ebb14c7
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/main/java/com/glencoesoftware/pyramid/PyramidFromDirectoryWriter.java b/src/main/java/com/glencoesoftware/pyramid/PyramidFromDirectoryWriter.java
@@ -465,6 +465,11 @@ public void initialize()
     if (n5Reader == null) {
       throw new FormatException("Could not create an N5 reader");
     }
+    Integer layoutVersion =
+      n5Reader.getAttribute("/", "bioformats2raw.layout", Integer.class);
+    if (layoutVersion == null || layoutVersion != 1) {
+      throw new FormatException("Unsupported version: " + layoutVersion);
+    }
 
     LOG.info("Creating tiled pyramid file {}", this.outputFilePath);