* i2psnark:

- Defer piece loading until required
      - Stub out Extension message support

apps/i2psnark/java/src/org/klomp/snark/DataLoader.java

@@ -0,0 +1,14 @@
+package org.klomp.snark;
+
+/**
+ * Callback used to fetch data
+ * @since 0.8.2
+ */
+interface DataLoader
+{
+  /**
+   *  This is the callback that PeerConnectionOut calls to get the data from disk
+   *  @return bytes or null for errors
+   */
+    public byte[] loadData(int piece, int begin, int length);
+}