Java Utililty Methods File Attribute

if (!infoPList.exists())
    return false;
String contents = readFile(infoPList);
final Pattern pattern = Pattern.compile(".*<key>CFBundleExecutable</key>[^<]*<string>([^<]*).*",
        Pattern.DOTALL | Pattern.MULTILINE);
final Matcher matcher = pattern.matcher(contents);
if (!matcher.matches())
    return false;
...

PrintWriter out = null;
try {
    out = new PrintWriter(new BufferedWriter(new FileWriter(filePath, false)));
    for (Map.Entry<String, Double> entry : executionTimes) {
        out.println(entry.getKey() + ";" + entry.getValue());
} finally {
    if (out != null) {
...

if (f.isDirectory()) {
    File[] files = f.listFiles(new FilenameFilter() {
        @Override
        public boolean accept(File dir, String name) {
            return Pattern.matches(pattern, name);
    });
    for (File bin : files) {
...

try {
    new FilePermission(file.getAbsolutePath(), "execute");
    return true;
} catch (Exception e) {
    return false;

if (executable && !file.setExecutable(true)) {
    throw new IOException("Cannot set executable permissions for: " + file);

Runtime.getRuntime().exec("chmod u+x " + filesList);

try {
    Process p = null;
    String cmd = null;
    cmd = "chmod " + "u+x" + " " + f.getAbsolutePath();
    p = Runtime.getRuntime().exec(cmd);
} catch (Exception e) {
    e.printStackTrace();
    return false;
...

try {
    Process proc = Runtime.getRuntime().exec(new String[] { "chmod", "a+x", path });
    proc.waitFor();
    return true;
} catch (InterruptedException ex) {
} catch (IOException ex) {
return false;
...

if (!scriptfile.setExecutable(true, true)) {
    System.err.println("Unable to set executable bit on temp script file, execution may fail: "
            + scriptfile.getAbsolutePath());

for (File f : path.listFiles()) {
    if (f.isDirectory()) {
        f.setExecutable(true);
        setRecursiveExecutable(f);
    } else if (!f.canExecute() && (f.getName().endsWith(".so") || f.getName().endsWith(".dll"))) {
        f.setExecutable(true);