package com.davfx.ninio.telnet.util;
import java.io.IOException;
import java.util.Date;
import com.davfx.ninio.telnet.TelnetClient;
import com.davfx.ninio.telnet.TelnetClientHandler;
import com.davfx.util.DateUtils;
public final class WaitingTelnetClient {
private final TelnetClient client;
private double endOfCommandTime = 0.25d;
private double timeout = 0d;
public WaitingTelnetClient(TelnetClient client) {
this.client = client;
}
public WaitingTelnetClient withEndOfCommandTime(double endOfCommandTime) {
this.endOfCommandTime = endOfCommandTime;
return this;
}
public WaitingTelnetClient withTimeout(double timeout) {
this.timeout = timeout;
return this;
}
public void connect(WaitingTelnetClientHandler clientHandler) {
client.connect(new TelnetClientHandler() {
private Callback clientCallback = null;
private WaitingTelnetClientHandler.Callback.SendCallback currentCallback = null;
private final StringBuilder text = new StringBuilder();
private Date timeoutDate = null;
private Date dateToSend = null;
private void setDateToSend(Date now) {
dateToSend = DateUtils.from(DateUtils.from(now) + endOfCommandTime);
}
@Override
public void failed(IOException e) {
clientHandler.failed(e);
}
@Override
public void close() {
clientHandler.close();
}
@Override
public void received(String line) {
String r = null;
IOException f = null;
text.append(line);
Date now = new Date();
if ((dateToSend != null) && now.after(dateToSend)) {
if (currentCallback != null) {
if (text.length() > 0) {
r = text.toString();
text.setLength(0);
timeoutDate = null;
}
}
setDateToSend(now);
} else if (dateToSend == null) {
setDateToSend(now);
}
if ((timeoutDate != null) && now.after(timeoutDate)) {
if (currentCallback != null) {
if (clientCallback != null) {
clientCallback.close();
clientCallback = null;
}
f = new IOException("Timeout");
}
timeoutDate = null;
}
if (f != null) {
currentCallback.failed(f);
currentCallback = null;
} else if (r != null) {
currentCallback.received(r);
}
}
@Override
public void launched(Callback callback) {
clientCallback = callback;
String init = text.toString();
text.setLength(0);
clientHandler.launched(init, new WaitingTelnetClientHandler.Callback() {
@Override
public void close() {
clientCallback = null;
callback.close();
}
@Override
public void send(String line, SendCallback c) {
String r = null;
if (currentCallback != null) {
if (text.length() > 0) {
r = text.toString();
text.setLength(0);
}
}
currentCallback = c;
Date now = new Date();
setDateToSend(now);
timeoutDate = (timeout == 0d) ? null : DateUtils.from(DateUtils.from(now) + timeout);
callback.send(line + TelnetClient.EOL);
if (r != null) {
currentCallback.received(r);
}
}
});
}
});
}
}