Add jgvariant-ostree module.
Change-Id: Idf7bacad28d7cf65eb1ddd0994dcc2c2c2a7e18e
diff --git a/jgvariant-ostree/src/main/java/eu/mulk/jgvariant/ostree/Summary.java b/jgvariant-ostree/src/main/java/eu/mulk/jgvariant/ostree/Summary.java
new file mode 100644
index 0000000..8f4ddf6
--- /dev/null
+++ b/jgvariant-ostree/src/main/java/eu/mulk/jgvariant/ostree/Summary.java
@@ -0,0 +1,47 @@
+package eu.mulk.jgvariant.ostree;
+
+import eu.mulk.jgvariant.core.Decoder;
+import java.nio.ByteOrder;
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+
+/**
+ * The summary file of an OSTree repository.
+ *
+ * <p>Stored as a file named {@code summary} in the OSTree repository root.
+ *
+ * <p>Reference: {@code ostree-core.h#OSTREE_SUMMARY_GVARIANT_STRING}
+ */
+public record Summary(List<Entry> entries, Metadata metadata) {
+
+ public record Entry(String ref, Value value) {
+
+ public record Value(long size, Checksum checksum, Metadata metadata) {
+
+ private static final Decoder<Value> DECODER =
+ Decoder.ofStructure(
+ Value.class,
+ Decoder.ofLong().withByteOrder(ByteOrder.LITTLE_ENDIAN),
+ Checksum.decoder(),
+ Metadata.decoder());
+
+ public static Decoder<Value> decoder() {
+ return DECODER;
+ }
+ }
+
+ private static final Decoder<Entry> DECODER =
+ Decoder.ofStructure(Entry.class, Decoder.ofString(StandardCharsets.UTF_8), Value.decoder());
+
+ public static Decoder<Entry> decoder() {
+ return DECODER;
+ }
+ }
+
+ private static final Decoder<Summary> DECODER =
+ Decoder.ofStructure(Summary.class, Decoder.ofArray(Entry.decoder()), Metadata.decoder());
+
+ public static Decoder<Summary> decoder() {
+ return DECODER;
+ }
+}