Java Utililty Methods Decompress Byte Array

byte[] buffer = new byte[_BUFFER_SIZE];
ByteArrayInputStream bais = null;
GZIPInputStream gis = null;
ByteArrayOutputStream baos = null;
int byteRead = 0;
try {
    bais = new ByteArrayInputStream(data);
    gis = new GZIPInputStream(bais);
...

return decompress(data, data.length * 4);

ByteArrayOutputStream buffer = null;
GZIPInputStream gizpInputStream = null;
try {
    buffer = new ByteArrayOutputStream();
    gizpInputStream = new GZIPInputStream(new ByteArrayInputStream(data));
    int n = -1;
    byte[] _buffer = new byte[1024 * 12];
    while (-1 != (n = gizpInputStream.read(_buffer))) {
...

ByteArrayOutputStream bout = new ByteArrayOutputStream(1024);
ZipInputStream zip = new ZipInputStream(new ByteArrayInputStream(data));
try {
    while (true) {
        ZipEntry zipEntry = zip.getNextEntry();
        if (zipEntry == null)
            break;
        while (true) {
...

byte[] output = null;
Inflater decompresser = new Inflater();
decompresser.reset();
decompresser.setInput(data, off, len);
ByteArrayOutputStream out = new ByteArrayOutputStream(data.length);
try {
    byte[] result = new byte[1024];
    while (!decompresser.finished()) {
...

try (ByteArrayInputStream buffer = new ByteArrayInputStream(data)) {
    try (GZIPInputStream input = new GZIPInputStream(buffer)) {
        return null;
} catch (Exception e) {
    throw new RuntimeException(e);

if ((gzipped == null) || (gzipped.length == 0)) {
    return "";
StringBuilder outStr = new StringBuilder();
GZIPInputStream gis = new GZIPInputStream(new ByteArrayInputStream(gzipped));
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(gis, "UTF-8"));
String line;
while ((line = bufferedReader.readLine()) != null) {
...

ByteArrayOutputStream bos = null;
if (in != null) {
    ByteArrayInputStream bis = new ByteArrayInputStream(in);
    bos = new ByteArrayOutputStream();
    GZIPInputStream gis = null;
    try {
        gis = new GZIPInputStream(bis);
        byte[] buf = new byte[8192];
...

if (input == null || input.length == 0) {
    return input;
Inflater inflator = new Inflater();
inflator.setInput(input);
ByteArrayOutputStream bin = new ByteArrayOutputStream(input.length);
byte[] buf = new byte[BUFFER_SIZE];
try {
...

ByteArrayOutputStream baos = new ByteArrayOutputStream();
ByteArrayInputStream bais = new ByteArrayInputStream(source);
GZIPInputStream gzipis = null;
try {
    gzipis = new GZIPInputStream(bais);
    int n;
    final int MAX_BUF = 1024;
    byte[] buf = new byte[MAX_BUF];
...