Java Utililty Methods Unzip File

System.out.println("Extracting: " + file);
ZipFile zipFile = new ZipFile(file);
Enumeration<?> entries = zipFile.entries();
String stripName = file.getName();
int i = stripName.lastIndexOf('.');
if (i > 0) {
    stripName = stripName.substring(0, i);
while (entries.hasMoreElements()) {
    ZipEntry entry = (ZipEntry) entries.nextElement();
    String entryName = entry.getName();
    if (entryName.startsWith(stripName + "/") || entryName.startsWith(stripName + "\\")) {
        entryName = entryName.substring(stripName.length() + 1);
    if (entry.isDirectory()) {
        File dir = new File(targetDirectory, entryName);
        dir.mkdirs();
        continue;
    copyInputStream(zipFile.getInputStream(entry),
            new BufferedOutputStream(new FileOutputStream(new File(targetDirectory, entryName))));
zipFile.close();

if (!destinationDirectory.exists()) {
    destinationDirectory.mkdirs();
} else {
    if (destinationDirectory.isFile()) {
        destinationDirectory = destinationDirectory.getParentFile();
try (ZipInputStream zis = new ZipInputStream(new FileInputStream(fileToUnzip))) {
...

Enumeration<? extends ZipEntry> entries;
ZipFile zipFile = new ZipFile(inFile);
try {
    entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        if (!entry.isDirectory()) {
            InputStream in = zipFile.getInputStream(entry);
...

FileInputStream fis = null;
ZipInputStream zis = null;
ZipEntry entry = null;
try {
    fis = new FileInputStream(input);
    zis = new ZipInputStream(fis);
    while ((entry = zis.getNextEntry()) != null) {
        File targetFile = new File(entry.getName());
...

try {
    if (!outputDir.exists())
        outputDir.mkdir();
    ZipFile zipFile = new ZipFile(input);
    Enumeration e = zipFile.entries();
    while (e.hasMoreElements()) {
        ZipEntry entry = (ZipEntry) e.nextElement();
        File destinationFilePath = new File(outputDir, entry.getName());
...

ZipFile zip = new ZipFile(input);
for (Enumeration<? extends ZipEntry> entries = zip.entries(); entries.hasMoreElements();) {
    ZipEntry entry = entries.nextElement();
    if (entry.isDirectory()) {
        File dir = new File(outputDirectory, entry.getName());
        dir.mkdirs();
    } else {
        File out = new File(outputDirectory, entry.getName());
...

ZipInputStream zis = new ZipInputStream(new FileInputStream(inputFile));
ZipEntry ze = zis.getNextEntry();
while (ze != null) {
    String entryName = ze.getName();
    File f = new File(outputDir + File.separator + entryName);
    f.getParentFile().mkdirs();
    FileOutputStream fos = new FileOutputStream(f);
    int len;
...

ZipFile zipFile = null;
InputStream inputStream = null;
try {
    zipFile = new ZipFile(inputFile);
    Enumeration<? extends ZipEntry> oEnum = zipFile.entries();
    while (oEnum.hasMoreElements()) {
        ZipEntry zipEntry = oEnum.nextElement();
        File file = new File(unzipDestFolder, zipEntry.getName());
...

Enumeration<?> enu = zipFile.entries();
while (enu.hasMoreElements()) {
    ZipEntry zipEntry = (ZipEntry) enu.nextElement();
    String name = zipEntry.getName();
    String nameFixed = name.replaceAll("\\\\", "/");
    File file = new File(intoFolder, nameFixed);
    if (nameFixed.endsWith("/")) {
        file.mkdirs();
...

final ZipFile in = new ZipFile(jar);
final Enumeration<? extends ZipEntry> entries = in.entries();
while (entries.hasMoreElements()) {
    final ZipEntry entry = entries.nextElement();
    if (!entry.isDirectory()) {
        final File file = new File(target, entry.getName());
        file.getParentFile().mkdirs();
        copy(in.getInputStream(entry), new FileOutputStream(file), true);
...