- ZipOutputStream
public void zipFolder(String sourceFileFolder, String zipFilePath) throws Exception {
FileOutputStream fos = new FileOutputStream(zipFilePath);
ZipOutputStream zipOut = new ZipOutputStream(fos);
for (File fileToZip : new File(sourceFileFolder).listFiles()) {
FileInputStream fis = new FileInputStream(fileToZip);
ZipEntry zipEntry = new ZipEntry(fileToZip.getName());
zipOut.putNextEntry(zipEntry);
byte[] bytes = new byte[1024];
int length;
while ((length = fis.read(bytes)) >= 0) {
zipOut.write(bytes, 0, length);
}
fis.close();
}
zipOut.close();
fos.close();
}- ZipArchiveOutputStream