public void close() throws IOException {
IOException firstExc = null;
if (is != null) {
try {
is.close();
} catch (IOException e) {
firstExc = e;
}
is = null;
}
if (os != null) {
try {
os.close();
} catch (IOException e) {
firstExc = (firstExc != null ? firstExc : e);
}
os = null;
}
if (sc != null) {
try {
sc.close();
} catch (IOException e) {
firstExc = (firstExc != null ? firstExc : e);
}
sc = null;
}
if (firstExc != null) {
throw firstExc;
}
}
public int writePacket(JICPPacket pkt) throws IOException {
if (sc != null) {
if (os == null) {
os = getOutputStream();
}
int ret = pkt.writeTo(os);
os.flush();
return ret;
} else {
throw new IOException("Connection closed");
}
}