Java Utililty Methods Unzip ZipEntry

if (entry.isDirectory()) {
    forceMkdir(entryTarget);
} else {
    InputStream is = zipFile.getInputStream(entry);
    copyInputStreamToFile(is, entryTarget, false);

File outputFile = new File(outputDir, entry.getName());
if (entry.isDirectory()) {
    outputFile.mkdirs();
    return;
if (!outputFile.getParentFile().exists()) {
    outputFile.getParentFile().mkdirs();
BufferedInputStream inputStream = new BufferedInputStream(zipfile.getInputStream(entry));
BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(outputFile));
try {
    byte[] buf = new byte[1024 * 1024];
    int k;
    while ((k = inputStream.read(buf)) != -1) {
        outputStream.write(buf, 0, k);
        outputStream.flush();
} finally {
    try {
        outputStream.close();
    } catch (Exception e) {
        e.printStackTrace();
    try {
        inputStream.close();
    } catch (Exception e) {
        e.printStackTrace();

if (entry.isDirectory()) {
    createDir(new File(outputDir, entry.getName()));
    return;
File outputFile = new File(outputDir, entry.getName());
if (!outputFile.getParentFile().exists()) {
    createDir(outputFile.getParentFile());
BufferedInputStream inputStream = new BufferedInputStream(zipfile.getInputStream(entry));
BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(outputFile));
try {
    copy(inputStream, outputStream);
} finally {
    outputStream.close();
    inputStream.close();

if (entry.isDirectory()) {
    createDirectory(new File(outputDirectory, entry.getName()));
    return;
File outputFile = new File(outputDirectory, entry.getName());
if (!outputFile.getParentFile().exists()) {
    createDirectory(outputFile.getParentFile());
BufferedInputStream inputStream = null;
BufferedOutputStream outputStream = null;
try {
    inputStream = new BufferedInputStream(zipfile.getInputStream(entry));
    outputStream = new BufferedOutputStream(new FileOutputStream(outputFile));
    copy(inputStream, outputStream, 1024);
} catch (IOException ex) {
} finally {
    try {
        outputStream.close();
    } catch (Exception ex) {
    try {
        inputStream.close();
    } catch (Exception ex) {
outputFile.setExecutable(true);
outputFile.setReadable(true);
outputFile.setWritable(true);

FileOutputStream out = new FileOutputStream(f);
byte[] b = new byte[512];
int len = 0;
while ((len = zin.read(b)) != -1) {
    out.write(b, 0, len);
out.flush();
out.close();
...

byte[] buffer = new byte[1024];
FileOutputStream fos = new FileOutputStream(newFile);
int len;
while ((len = zis.read(buffer)) > 0) {
    fos.write(buffer, 0, len);
fos.close();

FileOutputStream fos = null;
BufferedOutputStream bos = null;
try {
    fos = new FileOutputStream(out);
    bos = new BufferedOutputStream(fos);
    byte[] buffer = new byte[16384];
    int readBytes = 0;
    while ((readBytes = zis.read(buffer)) != -1)
...

FileOutputStream fos = null;
try {
    fos = new FileOutputStream(targetFile);
    byte[] buffer = new byte[BUFFER_SIZE];
    int len = 0;
    while ((len = zis.read(buffer)) != -1) {
        fos.write(buffer, 0, len);
} finally {
    if (fos != null) {
        fos.close();
return targetFile;

BufferedOutputStream dest;
if (entry.isDirectory()) {
    File destFile = new File(destFolder, entry.getName());
    destFile.mkdirs();
    return destFile;
} else {
    int count;
    byte data[] = new byte[BUFFER];
...

InputStream inputStream;
FileOutputStream fileOut;
if (entry.isDirectory()) {
    destFile.mkdirs();
} else {
    File parent = destFile.getParentFile();
    if (parent != null && !parent.exists()) {
        parent.mkdirs();
...