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package com.juick.console;
import com.juick.User;
import com.juick.server.protocol.JuickProtocol;
import com.juick.server.protocol.ProtocolReply;
import com.juick.service.UserService;
import org.jline.reader.EndOfFileException;
import org.jline.reader.LineReader;
import org.jline.reader.LineReaderBuilder;
import org.jline.reader.UserInterruptException;
import org.jline.terminal.Terminal;
import org.jline.terminal.TerminalBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.core.env.Environment;
import javax.inject.Inject;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.reflect.InvocationTargetException;
/**
* Created by vitalyster on 19.12.2016.
*/
public class ConsoleApp {
private static final Logger logger = LoggerFactory.getLogger(ConsoleApp.class);
@Inject
JuickProtocol juickProtocol;
@Inject
Environment env;
@Inject
UserService userService;
public ConsoleApp(ApplicationContext context) {
juickProtocol = context.getBean(JuickProtocol.class);
}
public void start() throws IOException {
Terminal terminal = TerminalBuilder.builder()
.system(true)
.nativeSignals(true)
.jna(true)
.build();
LineReader reader = LineReaderBuilder.builder()
.terminal(terminal)
.build();
PrintWriter out = terminal.writer();
String uname = env.getProperty("uname", "ugnich");
User user = userService.getUserByName(uname);
if (user != null) {
String prompt = String.format("@%s>", user.getName());
while (true) {
try {
String input = reader.readLine(prompt, null, null);
if (input == null) {
logger.error("invalid terminal");
break;
}
ProtocolReply reply = juickProtocol.getReply(user, input);
out.println(reply.getResult());
out.flush();
} catch (UserInterruptException e) {
logger.debug("user interrupt");
} catch (EndOfFileException e) {
logger.debug("app exit");
break;
} catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
logger.warn("protocol exception", e);
}
}
} else {
out.println("uname missing or invalid");
}
}
}
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