public static boolean copyJarResourcesRecursively(
final File destDir, final JarURLConnection jarConnection) throws IOException {
final JarFile jarFile = jarConnection.getJarFile();
for (final Enumeration<JarEntry> e = jarFile.entries(); e.hasMoreElements(); ) {
final JarEntry entry = e.nextElement();
if (entry.getName().startsWith(jarConnection.getEntryName())) {
final String filename = entry.getName();
final File f = new File(destDir, filename);
if (!entry.isDirectory()) {
final InputStream entryInputStream = jarFile.getInputStream(entry);
if (!FileUtils.copyStream(entryInputStream, f)) {
return false;
}
entryInputStream.close();
} else {
if (!FileUtils.ensureDirectoryExists(f)) {
throw new IOException("Could not create directory: " + f.getAbsolutePath());
}
}
}
}
return true;
}
public static boolean copyResourcesRecursively(final URL originUrl, final File destination) {
try {
final URLConnection urlConnection = originUrl.openConnection();
if (urlConnection instanceof JarURLConnection) {
return FileUtils.copyJarResourcesRecursively(destination, (JarURLConnection) urlConnection);
} else {
return FileUtils.copyFilesRecusively(
new File(originUrl.getPath().replaceAll("%20", " ")), destination);
}
} catch (final IOException e) {
EmojiTools.submitError(e);
}
return false;
}
public static boolean copyFile(final File toCopy, final File destFile) {
try {
return FileUtils.copyStream(new FileInputStream(toCopy), new FileOutputStream(destFile));
} catch (final FileNotFoundException e) {
EmojiTools.submitError(e);
}
return false;
}
private static boolean copyStream(final InputStream is, final File f) {
try {
return FileUtils.copyStream(is, new FileOutputStream(f));
} catch (final FileNotFoundException e) {
EmojiTools.submitError(e);
}
return false;
}
private static boolean copyFilesRecusively(final File toCopy, final File destDir) {
assert destDir.isDirectory();
if (!toCopy.isDirectory()) {
return FileUtils.copyFile(toCopy, new File(destDir, toCopy.getName()));
} else {
final File newDestDir = new File(destDir, toCopy.getName());
if (!newDestDir.exists() && !newDestDir.mkdir()) {
return false;
}
for (final File child : toCopy.listFiles()) {
if (!FileUtils.copyFilesRecusively(child, newDestDir)) {
return false;
}
}
}
return true;
}