public static Path execute()

in atomos.utils/atomos.utils.substrate.impl/src/main/java/org/apache/felix/atomos/utils/substrate/impl/NativeImageCliUtil.java [54:97]

35 lines of code
5 McCabe index (conditional complexity)


    public static Path execute(final Path nativeImageExec, final Path executionDir,
        final NativeImageArguments arguments) throws Exception
    {

        final Optional<Path> exec = findNativeImageExecutable(nativeImageExec);

        if (exec.isEmpty())
        {
            throw new Exception("Missing native image executable. Set '" + GRAALVM_HOME
                + "' with the path as an environment variable");
        }

        String resultFileName = arguments.name();
        if (isWindows()) {
        	resultFileName += ".exe";
        }
        final Path resultFile = executionDir.resolve(resultFileName);

        final List<String> commands = new ArrayList<>();
        commands.add(exec.get().toAbsolutePath().toString());
        commands.addAll(arguments.arguments());

        final ProcessBuilder pB = new ProcessBuilder(commands);
        pB.inheritIO();
        pB.directory(executionDir.toFile());

        final String cmds = pB.command().stream().collect(Collectors.joining(" "));

        System.out.println(cmds);

        final Process process = pB.start();
        final int exitValue = process.waitFor();
        if (exitValue != 0)
        {
            throw new Exception("native-image returns exit value: " + exitValue);
        }
        if (Files.exists(resultFile))
        {
            return resultFile;
        }
        throw new Exception(
            "native-image could not be found: " + resultFile.toAbsolutePath().toString());

    }