public static void zipFiles(
List<File> filenames, String zipFile, String replacedRootPath, ICallbackNotifier callback)
throws IOException {
BufferedInputStream origin = null;
FileOutputStream dest = new FileOutputStream(zipFile);
ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(dest));
byte data[] = new byte[Constants.BUFFER];
int fileCount = 1;
int total = filenames.size();
Log.d(TAG, "Start zipping to: " + zipFile);
for (File file : filenames) {
String absPath = file.getAbsolutePath();
String message =
LNReaderApplication.getInstance()
.getApplicationContext()
.getResources()
.getString(R.string.zip_files_task_progress_count, fileCount, total, absPath);
Log.d(TAG, message);
if (callback != null) callback.onCallBack(new CallbackEventData(message));
FileInputStream fi = new FileInputStream(file);
origin = new BufferedInputStream(fi, Constants.BUFFER);
ZipEntry entry = new ZipEntry(absPath.replace(replacedRootPath, ""));
out.putNextEntry(entry);
int count;
while ((count = origin.read(data, 0, Constants.BUFFER)) != -1) {
out.write(data, 0, count);
}
origin.close();
++fileCount;
}
out.close();
Log.d(TAG, "Completed zipping to: " + zipFile);
}
public static void unzipFiles(String zipName, String rootPath, ICallbackNotifier callback)
throws FileNotFoundException, IOException {
InputStream is = new FileInputStream(zipName);
ZipInputStream zis = new ZipInputStream(new BufferedInputStream(is));
ZipEntry ze;
byte[] buffer = new byte[Constants.BUFFER];
int count;
Log.d(TAG, "Start unzipping: " + zipName + " to: " + rootPath);
// create root path
File root = new File(rootPath);
root.mkdirs();
int fileCount = 1;
while ((ze = zis.getNextEntry()) != null) {
String filename = rootPath + ze.getName();
// Need to create directories if not exists, or
// it will generate an Exception...
if (ze.isDirectory()) {
Log.d(TAG, "Creating dir1: " + filename);
File fmd = new File(filename);
fmd.mkdirs();
continue;
}
// check if target dir exist
String dir = filename.substring(0, filename.lastIndexOf("/"));
File rootDir = new File(dir);
if (!rootDir.exists()) {
Log.d(TAG, "Creating dir2: " + dir);
rootDir.mkdirs();
}
Log.d(TAG, "Unzipping: " + filename);
if (callback != null) {
String message =
LNReaderApplication.getInstance()
.getApplicationContext()
.getResources()
.getString(R.string.unzip_files_task_progress_count, fileCount, filename);
callback.onCallBack(new CallbackEventData(message));
}
FileOutputStream fout = new FileOutputStream(filename);
while ((count = zis.read(buffer)) != -1) {
fout.write(buffer, 0, count);
}
fout.close();
zis.closeEntry();
++fileCount;
}
zis.close();
Log.d(TAG, "Completed unzipping to: " + zipName);
}