void copyLauncher()

in nbm-maven-plugin/src/main/java/org/apache/netbeans/nbm/BuildMacMojo.java [231:256]

• 19 lines of code
• 3 McCabe index (conditional complexity)

    void copyLauncher(File macOSDir) throws IOException, MojoExecutionException {
        Path launcherPath = macOSDir.toPath().resolve(brandingToken);

        if (macLauncherFile != null) {
            FileUtils.copyFile(macLauncherFile, launcherPath.toFile());
        } else {
            URL harnessResource = getClass().getClassLoader().getResource("harness");
            JarURLConnection jarConnection = (JarURLConnection) harnessResource.openConnection();
            JarFile jarFile = jarConnection.getJarFile();

            JarEntry entry = jarFile.getJarEntry("harness/launchers/app-macOS");

            if (entry == null) {
                throw new MojoExecutionException("macOS launcher not found in harness"
                        + " or via macLauncherFile parameter");

            }

            try (InputStream entryInputStream = jarFile.getInputStream(entry)) {
                Files.copy(entryInputStream, launcherPath, StandardCopyOption.REPLACE_EXISTING);
            }

        }

        launcherPath.toFile().setExecutable(true);
    }