adding a flag to inspect a binary blob file

bin/app.rb

@@ -136,13 +136,16 @@ def parse_args(args)
     opts.on('--contents FILE', "use FILE instead of #{options[:content_list]}") do |o|
       options[:content_list] = o
     end
-    opts.on('--cert FILE', "read contents from certificate FILE") do |o|
+    opts.on('--cert FILE', 'read contents from certificate FILE') do |o|
       options[:certificate] = o
     end
+    opts.on('--binary FILE', 'read contents from packed binary FILE') do |o|
+      options[:binary_file] = o
+    end
     opts.on('--test PATH', "validate PATH, instead of [#{options[:test_url]}]") do |o|
       options[:test_url] = o
     end
-    opts.on('--print', "print the tree of contents") do |o|
+    opts.on('--print', 'print the tree of contents') do |o|
       options[:printTree] = o
     end
     opts.on('--gen-payload', 'generate the binary payload from the content sets') do |o|
@@ -181,6 +184,11 @@ def main(args)
     _puts(options, pt.toList())
     return
   end
+  if options[:binary_file]
+    pt = Trie::PathTree.new(File.read(options[:binary_file]).to_java_bytes)
+    _puts(options, pt.toList())
+    return
+  end
   if options[:payload]
     _puts(options, pt(options[:content_list]).getPayload())
     return