JCH
Java Community | Help. Code. Learn.•3w ago
Asdru

how to generate and use java files in generated sources properly

i have this code snipped 
// Write to target/generated-sources/com/asdru/oopack/Version.java
        JavaFile javaFile = JavaFile.builder(packageName, enumType)
                .build();
        Path path = Paths.get("target/generated-sources");
        javaFile.writeTo(path);
// Write to target/generated-sources/com/asdru/oopack/Version.java
        JavaFile javaFile = JavaFile.builder(packageName, enumType)
                .build();
        Path path = Paths.get("target/generated-sources");
        javaFile.writeTo(path);
that creates a version enum at the mentioned path. however my main project doesnt seem to find it (and neither does the github action i have setup)
8 Replies
JavaBot
JavaBot•3w ago
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dan1st
dan1st•3w ago
You shouldn't do it this way. Once your application is packaged in a JAR or similar, there will be no generated-sources or target folder these folders only exist while you are developing the application if you want to generate code at compile-time, take a look at annotation processors and if you need to generate code at runtime, you could in principle use class loading to generate it but then you couldn't call it without reflection Also note this other problem with your current approach: If you just write files to generated sources, you would need to recompile your application) (which may delete the generated sources directory) to use these classes
JavaBot
JavaBot•3w ago
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Asdru
AsdruOP•3w ago
Oh ok thanks
JavaBot
JavaBot•3w ago
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Asdru
AsdruOP•3w ago
It takes a while to run since its fetching data from the web, thats why i separated it into its own main function
dan1st
dan1st•3w ago
There are two situations where you are allowed to modify the contents of the generated-sources folder: - in an annotation processor - in certain phases during the Maven build
JavaBot
JavaBot•3w ago
💤 Post marked as dormant
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