/**
* Create packet with given header.
*
* @param header Packet header
*/
public Packet(Header header) {
if (log.isTraceEnabled()) {
log.trace("Header: {}", header);
}
this.header = header;
data = IoBuffer.allocate(header.getSize()).setAutoExpand(true);
}
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();
}
@Override
public byte[] getData() {
try {
byte[] rawdata = getRawData();
ByteArrayOutputStream out = new ByteArrayOutputStream();
InputStream is = new ByteArrayInputStream(rawdata);
Header header = new Header();
header.read(rawdata, CHECKSUM_SIZE);
is.skip(header.getSize() + CHECKSUM_SIZE);
InflaterInputStream inflater = new InflaterInputStream(is);
byte[] chunk = new byte[4096];
int count;
while ((count = inflater.read(chunk)) >= 0) {
out.write(chunk, 0, count);
}
inflater.close();
return out.toByteArray();
} catch (IOException e) {
throw new HSLFException(e);
}
}
/**
* Create packet with given header
*
* @param header Packet header
*/
public Packet(Header header) {
this.header = header;
data = ByteBuffer.allocate(header.getSize() + (header.getTimer() == 0xffffff ? 4 : 0));
}