private static void listFilesRecursive(String path, LinkedHashMap<String, File> files, File dir) {
if (!path.isEmpty() && !path.endsWith("/")) {
path = path + "/";
}
for (File file : firstNonNull(dir.listFiles(), new File[0])) {
String filePath = path + file.getName();
if (file.isDirectory()) {
files.put(filePath, file);
listFilesRecursive(filePath, files, file);
} else {
files.put(filePath, file);
}
}
}
private static void zipDirectory(ZipOutputStream out, String rootPath, File... inputDirs)
throws IOException {
LinkedHashMap<String, File> files = newLinkedHashMap();
for (File inputDir : Lists.reverse(Arrays.asList(inputDirs))) {
listFilesRecursive(rootPath, files, inputDir);
}
for (Entry<String, File> entry : files.entrySet()) {
String path = entry.getKey();
File file = entry.getValue();
if (file.isDirectory()) {
if (!path.endsWith("/")) {
path = path + "/";
}
ZipEntry dirEntry = new ZipEntry(path);
dirEntry.setTime(file.lastModified());
out.putNextEntry(dirEntry);
} else {
ZipEntry fileEntry = new ZipEntry(path);
fileEntry.setTime(file.lastModified());
out.putNextEntry(fileEntry);
Files.copy(file, out);
}
}
}