문제

네트워크를 바탕으로 리모컨으로 제어되는 TV 프로그램입니다 이를 해결하는 다음 프로그램에 대해 빈칸을 채우세요

코드 빈칸 채우기

import javax.swing.*; 
import java.awt.event.*; 
import remoteControl.*; 
 
public class RemoteControlTV 
{ 
	public static void main( String[] args ) { 
		final String imagePath = "C:\\Users\\user\\Downloads\\JAVA-main\\src\\remoteControl\\image\\"; 
		String serverIP = "localhost"; 
		RemoteControl appliance =   
		                            new TVPanel( imagePath );  
		RemoteControlNetwork panel =  
		                             new RemoteControlNetwork( appliance, serverIP ); 
		 
		JFrame frame = new JFrame( "TV(클라이언트)" ); 
		frame.getContentPane().add( (JPanel)appliance ); 
		frame.addWindowListener( new () { 
			public void ( WindowEvent event ) {  
				panel.close(); 
			} 
		} ); 
		frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE ); 
		frame.pack(); 
		frame.setVisible( true ); 
	} 
} 
package remoteControl; 
import java.awt.event.ActionEvent; 
import network.Network; 
 
public class RemoteControlNetwork  RemoteControllerPanel    
{	 
	private Network network; 
	private String  id; 
	private final String header = "[RMTC] "; 
 
	public RemoteControlNetwork( String imgPath, String serverIP ) { 
		super( imgPath ); 
		connectAsClient( serverIP, this.getClass().getSimpleName() ); 
	} 
 
	public RemoteControlNetwork( RemoteControl appliance, String serverIP ) { 
		super( appliance ); 
		connectAsClient( serverIP, appliance.getClass().getSimpleName() ); 
	} 
 
	public void connectAsClient( String serverIP, String applianceName ) { 
		id = "[" + applianceName +"]"; 
		network =  
		          new Network(); 
		network.connectAsClient( serverIP, this ); 
	} 
 
	@Override 
	public void ( ActionEvent event ) { 
		String message = "";			                  
		if ( event.getSource() == button[POWER] )   
			message = header + "POWER"; 
		else if ( event.getSource() == button[UP] )  
			message = header + "UP"; 
		else if ( event.getSource() == button[DOWN] )  
			message = header + "DOWN"; 
		else if ( event.getSource() == button[LEFT] )  
			message = header + "LEFT"; 
		else if ( event.getSource() == button[RIGHT] )  
			message = header + "RIGHT"; 
 
		network.write( message ); 
	} 
 
	@Override 
	public void (){	 
		for ( String message = null; ( message = 
		                                          network.read() )  
		                                                               != null; ) { 
			if ( !message.contains( header ) ) 
				continue; 
			else if ( message.contains( "POWER" ) && ( appliance != null ) ) 
				appliance.clickPower(); 
			else if ( message.contains( "UP" ) && ( appliance != null ) )		 
				appliance.clickUp(); 
			else if ( message.contains( "DOWN" ) && ( appliance != null ) ) 
				appliance.clickDown(); 
			else if ( message.contains( "LEFT" ) && ( appliance != null ) ) 
				appliance.clickLeft(); 
			else if ( message.contains( "RIGHT" ) && ( appliance != null ) ) 
				appliance.clickRight(); 
		}   
	} 
	 
	public void close() { 
		network.write( header + id + " 네트워크 연결 종료" ); 
		network.close(); 
	} 
} 
package network; 
import java.io.*; 
import java.net.*; 
 
public class Network  
{ 
	public static final int serverPort = 7700; 
	protected  serverSocket;  
	protected  socket;  
	private  in; 
	private  out;  
	private  waitForCounterpart;  
 
	public Network() {	 
		serverSocket = null; 
		socket = null; 
		in = null; 
		out = null; 
		waitForCounterpart = null; 
	} 
	 
	public void connectAsServer(  obj ) { 
		 {  
			serverSocket = new ( serverPort );  
			socket =  
			         serverSocket.();    
			connectInOut( obj );   
		}  ( Exception e ) { 
			e.printStackTrace(); 
		} 
	}  
	 
	public void connectAsClient( String serverIP,  obj ) { 
		 { 
			socket =  
			         new ( serverIP, serverPort );  
			connectInOut( obj );	 
		}  ( Exception e ) { 
			e.printStackTrace(); 
		} 
	} 
 
	public void connectInOut(  obj ) { 
		 { 
			in = new ( new ( socket.() )); 
			out = new ( socket.(), true ); 
			waitForCounterpart = new ( obj ); 
			waitForCounterpart.(); 
		}  ( Exception e ) { 
			e.printStackTrace(); 
		} 
	} 
	 
	public String read() { 
		 { 
			if ( this.isConnecting() == true ) 
				return  
				       in.readLine(); 
		}  ( Exception e ) { 
			e.printStackTrace(); 
		} 
		 
		return null; 
	} 
	 
	public void write( String data ) { 
		 { 
			if ( this.isConnecting() == true ) 
				out.println( data ); 
		}  ( Exception e ) { 
			e.printStackTrace(); 
		}	 
	} 
 
	public boolean isConnecting() { 
		if ( ( socket != null )  
				&& ( in != null )  
				&& ( out != null )  
				&& ( waitForCounterpart != null )  
				&& ( waitForCounterpart.getState() != .State.TERMINATED ) )    
			return true; 
		else  
			return false; 
	} 
	 
	public void close() { 
		 { 
			if ( waitForCounterpart != null ) { 
				waitForCounterpart.interrupt();	   
				waitForCounterpart = null; 
			} 
			if ( in != null ) { 
				in.close(); 
				in=null; 
			}			 
			if ( out != null ) { 
				out.flush(); 
				out.close(); 
				out = null; 
			} 
			if ( socket != null ) { 
				socket.close(); 
				socket = null; 
			} 
			if ( serverSocket != null ) { 
				serverSocket.close(); 
				serverSocket = null; 
			} 
		}  ( Exception e ) { 
			e.printStackTrace(); 
		} 
	} 
} 
package remoteControl; 
import javax.swing.*; 
import java.awt.*; 
import java.awt.event.*; 
 
public class RemoteControllerPanel  JPanel  ActionListener  
{ 
	protected JButton[] button;	 
	public final static int POWER = 0, UP = 1, DOWN = 2, LEFT = 3, RIGHT = 4; 
	protected RemoteControl appliance; 
 
	public RemoteControllerPanel( String imgPath ) { 
		this.appliance = null; 
 
		final String[] strButton = { "power.gif", "up.gif", "down.gif", "left.gif", "right.gif" }; 
		button = new JButton[strButton.length]; 
		for ( int i = 0; i < strButton.length; i++ ) { 
			button[i] = new JButton( new ImageIcon( new ImageIcon( imgPath + strButton[i] ).getImage().getScaledInstance( 30, 30, Image.SCALE_SMOOTH ) ) ); 
			button[i].addActionListener( this );  
		} 
 
		this.setPreferredSize( new Dimension( 240, 120 ) );		 
		this.setLayout( new BorderLayout() ); 
		this.add( button[POWER], BorderLayout.CENTER ); 
		this.add( button[UP   ], BorderLayout.NORTH ); 
		this.add( button[DOWN ], BorderLayout.SOUTH ); 
		this.add( button[LEFT ], BorderLayout.WEST ); 
		this.add( button[RIGHT], BorderLayout.EAST );    
	} 
 
	public RemoteControllerPanel( String imgPath, RemoteControl appliance ) { 
		this( imgPath );		 
		this.appliance = appliance; 
	} 
 
	public RemoteControllerPanel( RemoteControl appliance ) { 
		this.appliance = appliance; 
	} 
 
	@Override 
	public void ( ActionEvent event ) { 
		if ( ( event.getSource() == button[POWER] ) && ( appliance != null ) ) 
			appliance.clickPower(); 
		else if ( ( event.getSource() == button[UP] ) && ( appliance != null ) ) 
			appliance.clickUp(); 
		else if ( ( event.getSource() == button[DOWN] ) && ( appliance != null ) ) 
			appliance.clickDown(); 
		else if ( ( event.getSource() == button[LEFT] ) && ( appliance != null ) ) 
			appliance.clickLeft(); 
		else if ( ( event.getSource() == button[RIGHT] ) && ( appliance != null ) ) 
			appliance.clickRight(); 
	}	 
} 
package remoteControl; 
import java.awt.*; 
import javax.swing.*; 
 
public class TVPanel  JPanel  RemoteControl  
{ 
	private boolean power; 
	private int channel, volume; 
	private ImageIcon[] imgChannel, imgVolume; 
	private JLabel lblChannel, lblVolume; 
	 
	public TVPanel( final String imgPath ) { 
		final String[] channelFile = { "EBS.gif", "SBS.gif", "KBS.gif", "MBC.gif", "blank.gif" };	 
		imgChannel = new ImageIcon[channelFile.length]; 
		for ( int i = 0; i < channelFile.length; i++ ) { 
			imgChannel[i] = new ImageIcon( new ImageIcon( imgPath + channelFile[i] ).getImage().getScaledInstance( 250, 120, Image.SCALE_SMOOTH ) ); 
		} 
		 
		final String[] volumeFile = { "volume0.gif", "volume1.gif", "volume2.gif", "volume3.gif" };	 
		imgVolume = new ImageIcon[volumeFile.length]; 
		for ( int i = 0; i < volumeFile.length; i++ ) { 
			imgVolume[i] = new ImageIcon( new ImageIcon( imgPath + volumeFile[i] ).getImage().getScaledInstance( 80, 120, Image.SCALE_SMOOTH ) ); 
		} 
		power = OFF; 
		channel = imgChannel.length - 1; 
		volume = 0;			 
		lblChannel = new JLabel( imgChannel[channel] ); 
		lblVolume =  new JLabel( imgVolume[volume] ); 
		add( lblChannel ); 
		add( lblVolume ); 
	} 
	 
	@Override 
	public void clickPower() { 
		if( power == OFF ) { 
			power = ON; 
			channel = 0; 
			volume = 1; 
			lblChannel.setIcon( imgChannel[channel] ); 
			lblVolume.setIcon( imgVolume[volume] ); 
		} 
		else { 
			power = OFF; 
			channel = imgChannel.length - 1; 
			volume = 0; 
			lblChannel.setIcon( imgChannel[channel] ); 
			lblVolume.setIcon( imgVolume[volume] ); 
		} 
	}	 
	 
	@Override 
	public void clickUp() {				 
		if( power == ON ) { 
			channel = ( channel + 1 ) % ( imgChannel.length - 1 ); 
			lblChannel.setIcon( imgChannel[channel] ); 
		} 
	}				 
	 
	@Override 
	public void clickDown() {			 
		if( power == ON ) { 
			channel = ( channel + ( imgChannel.length - 2 ) ) % ( imgChannel.length - 1 ); 
			lblChannel.setIcon( imgChannel[channel] ); 
		} 
	}				 
	 
	@Override 
	public void clickLeft() {				 
		if( power == ON ) { 
			volume = ( volume + ( imgVolume.length - 1 ) ) % imgVolume.length; 
			lblVolume.setIcon( imgVolume[volume] ); 
		} 
	}				 
	 
	@Override 
	public void clickRight() { 
		if( power == ON ) { 
			volume = ( volume + 1 ) % imgVolume.length; 
			lblVolume.setIcon( imgVolume[volume] ); 
		} 
	} 
} 
package remoteControl; 
 
public  RemoteControl 
{ 
	boolean ON = true, OFF = false; 
	void clickPower(); 
	void clickUp(); 
	void clickDown(); 
	void clickLeft(); 
	void clickRight(); 
}