private void createBinEtcDir()

in nbm-maven-plugin/src/main/java/org/apache/netbeans/nbm/CreateClusterAppMojo.java [613:739]
111 lines of code
18 McCabe index (conditional complexity)

    private void createBinEtcDir(File buildDir, String brandingToken) throws IOException, MojoExecutionException {
        File etcDir = new File(buildDir + File.separator + "etc");
        etcDir.mkdir();

        // create app.clusters which contains a list of clusters to include in the application
        File clusterConf = new File(etcDir + File.separator + brandingToken + ".clusters");
        String clustersString;
        if (etcClustersFile != null) {
            clustersString = FileUtils.fileRead(etcClustersFile, "UTF-8");
        } else {
            clusterConf.createNewFile();
            StringBuilder buffer = new StringBuilder();
            File[] clusters = buildDir.listFiles(new FileFilter() {

                @Override
                public boolean accept(File pathname) {
                    return new File(pathname, ".lastModified").exists();
                }
            });
            for (File cluster : clusters) {
                buffer.append(cluster.getName());
                buffer.append("\n");
            }
            clustersString = buffer.toString();
        }

        FileUtils.fileWrite(clusterConf.getAbsolutePath(), clustersString);

        File confFile = etcConfFile;
        String str;
        if (confFile == null) {
            File harnessDir = new File(buildDir, "harness");
            // app.conf contains default options and other settings
            confFile = new File(
                    harnessDir.getAbsolutePath() + File.separator + "etc" + File.separator + "app.conf");
            if (confFile.exists()) {
                str = FileUtils.fileRead(confFile, "UTF-8");
            } else {
                getLog().debug("Using fallback app.conf shipping with the nbm-maven-plugin.");
                try (InputStream instream = getClass().getClassLoader().getResourceAsStream("harness/etc/app.conf")) {
                    str = IOUtil.toString(instream, "UTF-8");
                }
            }
        } else {
            str = FileUtils.fileRead(confFile, "UTF-8");
        }
        File confDestFile = new File(
                etcDir.getAbsolutePath() + File.separator + brandingToken + ".conf");

        str = str.replace("${branding.token}", brandingToken);
        FileUtils.fileWrite(confDestFile.getAbsolutePath(), "UTF-8", str);

        File destBinDir = new File(buildDir + File.separator + "bin");
        destBinDir.mkdir();

        File binDir;
        File destExeW = new File(destBinDir, brandingToken + "_w.exe");
        File destExe = new File(destBinDir, brandingToken + ".exe");
        File destExe64 = new File(destBinDir, brandingToken + "64.exe");
        File destSh = new File(destBinDir, brandingToken);

        File harnessDir = new File(buildDir, "harness");
        //we have org-netbeans-modules-apisupport-harness in target area, just use it's own launchers.
        binDir = new File(harnessDir.getAbsolutePath() + File.separator + "launchers");
        if (binDir.exists()) {
            File exe = new File(binDir, "app.exe");
            FileUtils.copyFile(exe, destExe);
            File exe64 = new File(binDir, "app64.exe");
            if (exe64.isFile()) {
                FileUtils.copyFile(exe64, destExe64);
            }
            File exew = new File(binDir, "app_w.exe");
            if (exew.exists()) //in 6.7 the _w.exe file is no more.
            {
                FileUtils.copyFile(exew, destExeW);
            }
            File sh = new File(binDir, "app.sh");
            FileUtils.copyFile(sh, destSh);
        } else {
            File nbm = getHarnessNbm();
            try (ZipFile zip = new ZipFile(nbm)) {
                getLog().debug("Using fallback executables from downloaded org-netbeans-modules-apisupport-harness nbm file.");
                writeFromZip(zip, "netbeans/launchers/app.sh", destSh, true);
                writeFromZip(zip, "netbeans/launchers/app.exe", destExe, true);
                writeFromZip(zip, "netbeans/launchers/app64.exe", destExe64, false);
                writeFromZip(zip, "netbeans/launchers/app_w.exe", destExeW, false);
            }
        }

        if (binDirectory != null) {
            //we have custom launchers, only overwrite the ones the user provided.
            binDir = binDirectory;
            File[] fls = binDir.listFiles();
            if (fls == null) {
                throw new MojoExecutionException("Parameter 'binDirectory' has to point to an existing folder.");
            }
            for (File fl : fls) {
                String name = fl.getName();
                File dest = null;
                if (name.endsWith("_w.exe")) {
                    dest = destExeW;
                } else if (name.endsWith("64.exe")) {
                    dest = destExe64;
                } else if (name.endsWith(".exe")) {
                    dest = destExe;
                } else if (!name.contains(".") || name.endsWith(".sh")) {
                    dest = destSh;
                }
                if (dest != null && fl.exists()) //in 6.7 the _w.exe file is no more.
                {
                    FileUtils.copyFile(fl, dest);
                } else {
                    //warn about file not being copied
                }
            }
        }

        Project antProject = antProject();

        Chmod chmod = (Chmod) antProject.createTask("chmod");
        FileSet fs = new FileSet();
        fs.setDir(destBinDir);
        fs.setIncludes("*");
        chmod.addFileset(fs);
        chmod.setPerm("755");
        chmod.execute();
    }