private void sendMessage() {
if (cs == null) return;
try {
cs.sendMessage(sendMessage);
} catch (Exception e) {
System.out.print("Fail to send message!" + "\n");
}
}
private boolean createConnection() {
cs = new socket(ip, port);
try {
cs.CreateConnection();
System.out.print("Conneted with helicopter!" + "\n");
return true;
} catch (Exception e) {
System.out.print("Fail to conncet with helicopter!" + "\n");
return false;
}
}
private void getMessage() {
if (cs == null) return;
DataInputStream inputStream = null;
try {
inputStream = cs.getMessageStream();
} catch (Exception e) {
System.out.print("Error\n");
return;
}
try {
// save the file locally, will keep the file name unchanged.
String savePath = "d:\\";
int bufferSize = 8192;
byte[] buf = new byte[bufferSize];
int passedlen = 0;
long len = 0;
savePath += inputStream.readUTF();
DataOutputStream fileOut =
new DataOutputStream(
new BufferedOutputStream(new BufferedOutputStream(new FileOutputStream(savePath))));
len = inputStream.readLong();
System.out.println("filelength:" + len + "\n");
System.out.println("Receiving the file!" + "\n");
while (true) {
int read = 0;
if (inputStream != null) {
read = inputStream.read(buf);
}
passedlen += read;
if (read == -1) {
break;
}
// display the transmission prosess
System.out.println("File has been transmitted" + (passedlen * 100 / len) + "%\n");
fileOut.write(buf, 0, read);
}
System.out.println("Done, file has been saved in " + savePath + "\n");
fileOut.close();
} catch (Exception e) {
System.out.println("Error" + "\n");
return;
}
}