![]() #NODEBOX NO REPEAT INSTALL#Standalone Gruff on the desktop ( Desktop Gruff): a standalone application that you install on your client machine and it runs in the native window system, either Windows or GTK. You then connect to an AllegroGraph server or SPARQL endpoint from within Gruff in the web browser. Standalone Gruff in a web browser ( GruffJS): a standalone application that you install on your client machine and it runs in a supported web browser on the client. See also the Gruff in AllegroGraph document. ![]() Gruff integrated with AGWebView ( WebView Gruff): runs Gruff on the AllegroGraph server machine and is accessed via a web browser on a client machine, just like AGWebView. So altogether there are now three different ways you can run Gruff: And Gruff itself can now run in a web browser on any platform. The various views and features are tightly integrated to facilitate a smooth and rapid workflow.Īs of AllegroGraph 7.0.0, Gruff is now part of the AllegroGraph server installation and has been integrated into AGWebView. When using AllegroGraph, triples can be created and edited by filling in tables of property values or by connecting visual nodes with link lines, and paths can be found between any two end nodes, with the intervening nodes and links added to the visual graph automatically. ![]() Queries can be written textually as SPARQL or Prolog code, or designed graphically as diagrams of nodes and link lines. Information can be browsed as visual graphs of nodes and link lines that are laid out automatically, and also as tables of properties for particular nodes. and to a somewhat lesser extent with any SPARQL endpoint. It works with AllegroGraph from Franz Inc. Gruff is an interactive tool for browsing, querying, and editing triple-stores (which are also known as graph databases or repositories). ![]() Using Gruff with AllegroGraph or SPARQL Endpoints.Method, checking for permissions before accessing the directory: if you can't access it, you can simply skip its subtree (keep in mind that you may be able to access a directory, but not all its files) Į.g. Method, to handle the case you cannot access a file for some reasons (Lukasz_Plawny's advice) To solve the same problem you can replaceįiles.walkFileTree(Path start, FileVisitor visitor) Įxtending SimpleFileVisitor (to count the files) and overriding some methods. #NODEBOX NO REPEAT HOW TO#It is explained how to obtain the stream of all files of a subtree you can access.īut this example can be expanded to other use cases too.Īdds a lot of code, but grants you much more flexibility when walking directory trees. ![]() If what you want is actually skipping the paths where you have no access, you have two approaches: apps to gain root permission after they have been executed from command line via a method such as So in short Is this possible at all, for CLI, JavaFX, etc. But this example can be expanded to other use cases too. It is possible to work around the exception. Looking for a way to execute a bash command as root (e.g.Įxception in thread "restartedMain" Īt 0Īt Īt Īt .Ĭaused by: java.io.UncheckedIOException: : /var/cache/httpdĪt .fetchNextIfNeededĪt .hasNextĪt $IteratorSpliterator.forEachRemainingĪt .copyIntoĪt .wrapAndCopyIntoĪt $ReduceOp.evaluateSequentialĪt .evaluateĪt .countĬaused by: : /var/cache/httpdĪt .Uni圎anslateToIOExceptionĪt .Uni圎xception.rethrowAsIOExceptionĪt .UnixFileSystemProvider.newDirectoryStreamĪt .newDirectoryStream That need root permission to be traversed. As an unprivileged user, the execution might throw an exception as there are folders inside ![]()
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