private void readFromBuffer(ByteBuffer buf) throws IOException {
this.buf = buf;
buf.order(ByteOrder.LITTLE_ENDIAN);
header = new Header();
header.read(buf);
fixupHeader();
}
private byte[] read(byte[] data, int pos) throws IOException {
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream bis = new ByteArrayInputStream(data);
Header header = new Header();
header.read(data, pos);
bis.skip(pos + header.getSize());
InflaterInputStream inflater = new InflaterInputStream(bis);
byte[] chunk = new byte[4096];
int count;
while ((count = inflater.read(chunk)) >= 0) {
out.write(chunk, 0, count);
}
inflater.close();
return out.toByteArray();
}