juick-console/src/main/java/com/juick/console/ConsoleApp.java


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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 jline.console.ConsoleReader;
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 {
    @Inject
    JuickProtocol juickProtocol;
    @Inject
    Environment env;
    @Inject
    UserService userService;

    public ConsoleApp(ApplicationContext context) {
        juickProtocol = context.getBean(JuickProtocol.class);
    }
    public void start() {
        //jline.TerminalFactory.registerFlavor(jline.TerminalFactory.Flavor.WINDOWS, UnsupportedTerminal.class);
        try (ConsoleReader reader = new ConsoleReader()) {
            PrintWriter out = new PrintWriter(reader.getOutput());
            String uname = env.getProperty("uname", "ugnich");
            User user = userService.getUserByName(uname);
            if (user != null) {
                reader.setPrompt(String.format("%s>", user.getName()));
                out.println(String.format("logged in as @%s", user.getName()));
                out.flush();
                String input;
                while ((input = reader.readLine()) != null) {
                    ProtocolReply reply = juickProtocol.getReply(user, input);
                    out.println(reply.getResult());
                    out.flush();
                }
            }
            out.println("uname missing or invalid");
        } catch (IOException | NoSuchMethodException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        }
    }
}