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package yju.socket;
 
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.List;
 
 
public abstract class TcpServer implements Runnable {
 
	private int port;
	private boolean runFlag;
	private List<SocketTransceiver> clients = new ArrayList<SocketTransceiver>();
 
 
	public TcpServer(int port) {
		this.port = port;
	}
 
 
	public void start() {
		runFlag = true;
		new Thread(this).start();
	}
 
 
	public void stop() {
		runFlag = false;
	}
 
 
	@Override
	public void run() {
		try {
			final ServerSocket server = new ServerSocket(port);
			while (runFlag) {
				try {
					final Socket socket = server.accept();
					startClient(socket);
				} catch (IOException e) {
 
					e.printStackTrace();
					this.onConnectFailed();
				}
			}
 
			try {
				for (SocketTransceiver client : clients) {
					client.stop();
				}
				clients.clear();
				server.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		} catch (IOException e) {
 
			e.printStackTrace();
		}
		this.onServerStop();
	}
 
 
	private void startClient(final Socket socket) {
		SocketTransceiver client = new SocketTransceiver(socket) {
 
			@Override
			public void onReceive(InetAddress addr, String s) {
				TcpServer.this.onReceive(this, s);
			}
 
			@Override
			public void onDisconnect(InetAddress addr) {
				clients.remove(this);
				TcpServer.this.onDisconnect(this);
			}
		};
		client.start();
		clients.add(client);
		this.onConnect(client);
	}
 
 
	public abstract void onConnect(SocketTransceiver client);
 
 
	public abstract void onConnectFailed();
 
 
	public abstract void onReceive(SocketTransceiver client, String s);
 
 
	public abstract void onDisconnect(SocketTransceiver client);
 
 
	public abstract void onServerStop();
}
 

Main.java:11: error: class TcpServer is public, should be declared in a file named TcpServer.java
public abstract class TcpServer implements Runnable {
                ^
Main.java:15: error: cannot find symbol
	private List<SocketTransceiver> clients = new ArrayList<SocketTransceiver>();
	             ^
  symbol:   class SocketTransceiver
  location: class TcpServer
Main.java:86: error: cannot find symbol
	public abstract void onConnect(SocketTransceiver client);
	                               ^
  symbol:   class SocketTransceiver
  location: class TcpServer
Main.java:92: error: cannot find symbol
	public abstract void onReceive(SocketTransceiver client, String s);
	                               ^
  symbol:   class SocketTransceiver
  location: class TcpServer
Main.java:95: error: cannot find symbol
	public abstract void onDisconnect(SocketTransceiver client);
	                                  ^
  symbol:   class SocketTransceiver
  location: class TcpServer
Main.java:15: error: cannot find symbol
	private List<SocketTransceiver> clients = new ArrayList<SocketTransceiver>();
	                                                        ^
  symbol:   class SocketTransceiver
  location: class TcpServer
Main.java:50: error: cannot find symbol
				for (SocketTransceiver client : clients) {
				     ^
  symbol:   class SocketTransceiver
  location: class TcpServer
Main.java:67: error: cannot find symbol
		SocketTransceiver client = new SocketTransceiver(socket) {
		^
  symbol:   class SocketTransceiver
  location: class TcpServer
Main.java:67: error: cannot find symbol
		SocketTransceiver client = new SocketTransceiver(socket) {
		                               ^
  symbol:   class SocketTransceiver
  location: class TcpServer
9 errors

Standard output is empty