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#What is a plist file extenstion code
Hence the events will never reach the code snippet above. MacOS will send the system events to the launcher script specified in the plist file, not the actual java instance. However, the Java application will be launched using a shell launcher script. Following the OpenJFX 12 documentation, we end up with a packaged and lightweight JRE inside platform-specific images. However, all versions have one thing in common: The information around them is extremely scarce or only valid for older iterations.Īs of Java 9, the JDK has been modularised, which allows for far lighter builds, with the JRE only containing exactly what is required for the application. These have all been deprecated in favour of the latest installment of the api:. This Api has gone through many iterations, from, to, to and to .Application. The missing piece of information (or hint) is, that this will not work with a bash launcher script, because bash is not capable of receiving the events. Through the documentation of setOpenFileHandler we can learn that this will only work, if the Java app is a bundled MacOS application and contains a valid ist file with a CFBundleDocumentTypes array present. */ static final String searchTerm = event. * Attempt listening for APP_OPEN_FILE events as soon as possible. File handler #Īn implementation to catch these system events could look as follows: This stems from expecting multiple app instances by default, however results in somes issues for Java bundles and represents the main reason for this post.
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The operating system sends Apple system events containing the filename to the application and it is left to the developer to be ready for capturing mentioned events once they are fired. Usually, this information is provided through command line arguments, however MacOS behaves differently. In order to handle opening a file, the application somehow needs to receive a file path upon launch. We will be using OpenJDK 12, OpenJFX 12 and Gradle. In this post I’d like to address the issues I faced using JavaFX to build a desktop app bundle for MacOS, that acts as a viewer for a custom file type.
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Said code base, to give some context, consists of a native c++ sdk and wrappers for mobile platforms. It should recognise the file extension and be as minimal as possible, ideally acting as a thin layer on top of an existing code base. I recently found myself in the position of wanting to bundle a small desktop application for interacting with a custom file type. Tldr: Link to Boilerplate on Github, see the follow-up post. 6 min read Bundling JavaFX 12 on MacOS for a custom file extension using AppleScript