Simple CreateTorrent test with progress.

src/com/frostwire/jlibtorrent/Session.java

@@ -754,6 +754,10 @@ public SessionStats getStats() {
         return new SessionStats(lastStatsValues, lastDHTNodes);
     }
 
+    public void setPieceHashes(String id, create_torrent t, String p, error_code ec) {
+        s.set_piece_hashes_with_progress(id, t, p, ec);
+    }
+
     @Override
     protected void finalize() throws Throwable {
         this.running = false;

src/com/frostwire/jlibtorrent/demo/CreateTorrentTest2.java

@@ -0,0 +1,57 @@
+package com.frostwire.jlibtorrent.demo;
+
+import com.frostwire.jlibtorrent.AlertListener;
+import com.frostwire.jlibtorrent.Session;
+import com.frostwire.jlibtorrent.alerts.Alert;
+import com.frostwire.jlibtorrent.alerts.SetPieceHashesAlert;
+import com.frostwire.jlibtorrent.swig.*;
+
+/**
+ * @author gubatron
+ * @author aldenml
+ */
+public final class CreateTorrentTest2 {
+
+    public static void main(String[] args) throws Throwable {
+        final Session s = new Session();
+
+        s.addListener(new AlertListener() {
+            @Override
+            public int[] types() {
+                return null;
+            }
+
+            @Override
+            public void alert(Alert<?> alert) {
+
+                if (alert instanceof SetPieceHashesAlert) {
+                    System.out.println(alert);
+                }
+            }
+        });
+
+        file_storage fs = new file_storage();
+
+        // recursively adds files in directories
+        libtorrent.add_files(fs, "/Users/aldenml/Downloads/Kellee");
+
+        create_torrent t = new create_torrent(fs);
+        t.add_tracker("http://my.tracker.com/announce");
+        t.set_creator("libtorrent example");
+
+        error_code ec = new error_code();
+        // reads the files and calculates the hashes
+        s.setPieceHashes("test", t, "/Users/aldenml/Downloads", ec);
+
+        if (ec.value() != 0) {
+            System.out.println(ec.message());
+        }
+
+        entry e = t.generate();
+
+        System.out.println(e.to_string());
+
+        System.out.println("Press ENTER to exit");
+        System.in.read();
+    }
+}