现在我有一个控制台客户端,它通过ObjectInputStream.readObject()
和ObjectOutputStream.writeObject()
与服务器通信。对于基于控制台的应用程序,这似乎可以正常工作。
问题是具有i / o流的类还引用了System.console()
对象!
如何重构这个类以使它更通用?我几乎想要将连接视为一个实用程序,或者可能作为一个bean,然后将其传递给到,例如,Swing GUI,或者可能是系统控制台。 / p>
package net.bounceme.dur.client;
import net.bounceme.dur.data.Title;
import java.net.*;
import java.io.*;
import java.util.Arrays;
import java.util.logging.Logger;
import net.bounceme.dur.data.State;
public class Client {
private static final Logger log = Logger.getLogger(Client.class.getName());
private String server = "localhost";
private int portNumber = 8080;
private final Console c = System.console();
private Client() {
}
public Client(String server, int portNumber) {
this.server = server;
this.portNumber = portNumber;
}
public void inputOutput() throws IOException, ClassNotFoundException {
Socket socket = new Socket(server, portNumber);
boolean eof = false;
Title title = null;
State state = State.undefined;
try (ObjectOutputStream objectOutputStream = new ObjectOutputStream(socket.getOutputStream());
ObjectInputStream objectInputStream = new ObjectInputStream(socket.getInputStream())) {
do {
try {
title = (Title) objectInputStream.readObject();
log.info(title.toString());
do {
state = State.undefined;
try {
c.printf("enter the state for record:");
state = State.valueOf(c.readLine());
} catch (java.lang.IllegalArgumentException iae) {
log.warning(Arrays.deepToString(State.values()));
}
} while (state == State.undefined);
title.setState(state);
title.setTitle("modified from client");
objectOutputStream.writeObject(title);
} catch (java.io.EOFException eofe) {
eof = true;
}
} while (!eof);
}
}
}
另见: