Java Utililty Methods GZIPInputStream Create

InputStream getGZIPDecompressStream(byte[] buffer)
Create and return an InputStream that will read the given byte[] and decompress it as bytes are read from the stream.

ByteArrayInputStream bytesIn = new ByteArrayInputStream(buffer);
GZIPInputStream gzipIn = new GZIPInputStream(bytesIn);
return gzipIn;

InputStream getGzipInputStream(File file)
Returns a GZIPInputStream for a .gz file

return new GZIPInputStream(new FileInputStream(file));

GZIPInputStream getGZipInputStream(InputStream in)
Returns a Gzip input stream wrapping given input stream.

if (in == null) {
 return null;
return new GZIPInputStream(in);