listuser.java

DSS数字签名

package dssclient;

import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.StringTokenizer;
import java.util.Vector;

import javax.swing.DefaultListModel;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ListCellRenderer;



public class ListUser extends JFrame implements ActionListener{
	DefaultListModel theNLM = new DefaultListModel();
	JList talkerlist;
	Socket sk;
	//Vector talkername=new Vector();
	Vector winopenname=new Vector();
	Vector winopen=new Vector();
	String host,sender1;
	ClientListen cl;
	
	JButton quitbutton = new JButton("退出");
	
	FileReceiver fr;
	FileSender fs;

	void buildConstraints(GridBagConstraints gbc,int gx,int gy,int gw,int gh,int wx,int wy){
		gbc.gridx = gx;
		gbc.gridy = gy;
		gbc.gridwidth = gw;
		gbc.gridheight = gh;
		gbc.weightx = wx;
		gbc.weighty = wy;
	}
	
	public ListUser(String name, Socket soc) throws IOException{
		super(name+"使用数字签名系统");//
		sk = soc;		
		initFrame(name);  //
		//打开监听线程
		cl = new ClientListen(this,sk);
		cl.start();
		sendmsg("ASKFOR:");
	}
	
	private void initFrame(String name) throws IOException {
		setSize(300,300);
		setResizable(false);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		GridBagLayout gridbag = new GridBagLayout();
		JPanel talkerpanel = new JPanel(gridbag);
	
		GridBagConstraints constraints = new GridBagConstraints();
		host=name;
		
		buildConstraints(constraints,0,0,1,1,100,5);
		constraints.fill = GridBagConstraints.NONE;
		constraints.anchor = GridBagConstraints.CENTER;
		talkerlist = new JList(theNLM);
		talkerlist.setCellRenderer(new MyCellRenderer());
	
		JScrollPane jsp = new JScrollPane(talkerlist);
		talkerlist.setVisibleRowCount(8);
		talkerlist.setBackground(Color.white);
		talkerlist.setForeground(Color.black);
		talkerlist.setFont(new Font("Arial", 1, 14));
		
		talkerlist.setBackground(Color.white);
		talkerlist.setForeground(Color.black);
		talkerlist.setFont(new Font("Arial", 1, 14));
		
		
		Color aqua = new Color(0, 102, 102);
		talkerlist.setSelectionBackground(aqua);
		talkerlist.setSelectionForeground(Color.white);
		talkerlist.setFixedCellWidth(100);
		talkerlist.setFixedCellHeight(15);
		talkerlist.setFixedCellWidth(100);
		talkerlist.setFixedCellHeight(15);
		
		buildConstraints(constraints,0,3,1,1,100,90);
		constraints.fill = GridBagConstraints.BOTH;
		gridbag.setConstraints(jsp,constraints);
		talkerpanel.add(jsp, new GridBagConstraints());
		
		buildConstraints(constraints,0,3,1,1,50,5);
		constraints.fill = GridBagConstraints.NONE;
		constraints.anchor = GridBagConstraints.EAST;
		gridbag.setConstraints(quitbutton,constraints);

		final GridBagConstraints gridBagConstraints = new GridBagConstraints();
		gridBagConstraints.anchor = GridBagConstraints.WEST;
		talkerpanel.add(quitbutton, gridBagConstraints);
		quitbutton.addActionListener(this);
		setContentPane(talkerpanel);

		
		MouseListener mouseListener = new MouseAdapter() {//监听鼠标动作
				public void mouseClicked(MouseEvent e) {
					ListUser nm = cl.tkparent;
					if(e.getClickCount() == 2) {
						try{
							int index = talkerlist.locationToIndex(e.getPoint());//鼠标点击
			   			    openmsgframe((String)talkerlist.getSelectedValue());										 
						}catch(NullPointerException e2){}
											
					 }
				}
		};
		talkerlist.addMouseListener(mouseListener);
	}
	
    //各种方法
	void disconnect(){              //退出
		sendmsg("QUIT:");
	}
	
	void adduser(String name){    //增加用户
		theNLM.addElement(name);
		try{
		//	talkername.addElement(name);
		}
		catch(NullPointerException e){
		}
	}
	
	void removeuser(String name){    //移除用户
		if(name=="SERVERSHUTDOWN"){
			theNLM.removeAllElements();
			//talkername.removeAllElements();
		}
		else{
			theNLM.removeElement(name);
			//talkername.remove(name);
			
		}
	}
	
	
	void batchandle(String msg){
		StringTokenizer st=new StringTokenizer(msg,":"); 
		String receiver=st.nextToken();
		String sender=st.nextToken();
		sender1=sender;
		System.out.println(sender);
	    String show=sender+": "+st.nextToken()+"\n";
	
	}
	
	void openmsgframe(String sender){  //监听到向随发送信息
	    if(!winopenname.contains(sender)){
		    sendmsg("FILE_TO:"+sender+":"+host+":"); //打开发送界面
		    try{
			//   winopen.addElement(mf);
		       winopenname.addElement(sender);
		    }catch(NullPointerException e){	
		    }
	    }
	}
	void sendmsg(String info){
		cl.send(info);
	}
	
	public void sendbatch(String string) {
		cl.send(string);
		}
	

	void FileTobox(String acquir){ 
		int response;
		StringTokenizer st=new StringTokenizer(acquir,":");
		System.out.println(st);
		String me = st.nextToken();
		String he = st.nextToken();
		String ip = st.nextToken();	
		String local = new String();
		
		try {
			local = InetAddress.getLocalHost().toString();
		} catch (UnknownHostException e) {
			e.printStackTrace();
		}
		StringTokenizer lc=new StringTokenizer(local,"/");
		String localname=lc.nextToken();
		String localip=lc.nextToken();
		//response = JOptionPane.showConfirmDialog(null,
		        //   he+"将要传送文件给你，是否接受？",
		       //    "",
		      //     JOptionPane.YES_NO_OPTION,
		       //    JOptionPane.QUESTION_MESSAGE);
		
		//if(response==JOptionPane.YES_OPTION){
			sendmsg("FILE_FROM:"+he+":"+localname+":"+"YES:"+localip+":");
			fr = new FileReceiver();
			fr.show();
			fr.start();				
	//	}
	//	else if(response==JOptionPane.NO_OPTION){
		//	sendmsg("FILE_FROM:"+he+":"+localname+":"+"NO:");
		//}
	}
	
	void FileFrombox(String answer){
		StringTokenizer st=new StringTokenizer(answer,":");
		System.out.println(st);
		String me = st.nextToken();
		String he = st.nextToken();
		String chioce=st.nextToken();
		String ip = st.nextToken();
		//if(chioce.equals("YES")){
			//JOptionPane.showMessageDialog(null,he+"同意接收文件.");
			fs.theApp.ip=ip;		
		//}
		//else if(chioce.equals("NO")){
			//JOptionPane.showMessageDialog(null,he+"不同意接收文件.");			
		//}
	}
	
	public void actionPerformed(ActionEvent e) {
		if(e.getActionCommand()=="退出"){
			disconnect();
			//ClientLogin ca=new ClientLogin();
			//ca.show();
			this.dispose();
		}
		
  }
	class MyCellRenderer extends JLabel implements ListCellRenderer {
		 public Component getListCellRendererComponent(
		   JList list,
		   Object value,            // value to display
		   int index,               // cell index
		   boolean isSelected,      // is the cell selected
		   boolean cellHasFocus)    // the list and the cell have the focus
		 {   final ImageIcon icon = new ImageIcon("images/face.gif");
			 String s = value.toString();
			 setText(s);
			 setIcon(icon);
		   if (isSelected) {
			   setBackground(list.getSelectionBackground());
			   setForeground(list.getSelectionForeground());
		   }
		   else {
			   setBackground(list.getBackground());
			   setForeground(list.getForeground());
		   }
		   setEnabled(list.isEnabled());
		   setFont(list.getFont());
		   setOpaque(true);
		   return this;
		 }
	 }
	
	
	
	

}