client.java

基于Java技术实现的minipacs系统,可以进行诊断信息登记, 嵌入控件查看DICOM 影像和统计分析等功能.

/*
 * Client.java
 *
 * Created on 24. oktober 2005, 21:07
 *
 * To change this template, choose Tools | Options and locate the template under
 * the Source Creation and Management node. Right-click the template and choose
 * Open. You can then make changes to the template in the Source Editor.
 */

package backup.client;

import backup.client.*;
import java.io.FileInputStream;
import java.io.*;
import java.util.*;
import java.rmi.Naming;
import javax.swing.*;
import backup.server.Server;

/**
 *
 * @author Kim Stenbo Nielsen
 */
public class Client {
    private Server server;
    private static String serverAddress;
    private static String serverPort;
    String name;
    Gui gui;
    
    /**
     * Creates a new instance of Client 
     */
    public Client() {
        setLookAndFeel();
        loadConfiguration();
        connectToServer();
    }
    
    public Client(String server, String port) {
        serverAddress = server;
        serverPort = port;
        setLookAndFeel();
        connectToServer();
    }
    
    private void loadConfiguration() {
        try {
            File config = new File("client.cfg");
            if (config.exists()) {
                BufferedReader in = new BufferedReader(new FileReader(config));
                serverAddress = in.readLine();
            }
            else {
                System.out.print("Please enter the remote servers IP and RMI port number (eg. 172.24.37.21:1099):\n ");
                Scanner keyboard = new Scanner(System.in);
                serverAddress = keyboard.nextLine();
                config.createNewFile();
                FileWriter out = new FileWriter(config);
                out.write(serverAddress);
                out.flush();
                out.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    private void setLookAndFeel() {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    public void connectToServer() {
        try {
            server = (Server) Naming.lookup("//" + serverAddress + ":" + serverPort + "/miniWebPACS_Backup");
            System.out.println(": succes");
            System.out.println(" - Starting up client GUI");
            gui = new Gui(server);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    public static void main(String[] arg) throws Exception {
        System.out.println("\n**********************************************");
        System.out.println("**   Welcome to miniWebPACS Backup Client   **");
        System.out.println("**********************************************\n");
        System.out.println("Initializing...");
        

        if (arg.length == 0) { // no arguments are given - prompt the user!!
            new Client();
        }
        else if (arg.length == 1) { // only the IP is given as an argument
            serverAddress = arg[0]; // TODO: CHECK the argument for validity!!!
            serverPort = "1099";
            new Client(serverAddress, serverPort);
        }
        else {
            serverAddress = arg[0]; // TODO: CHECK the argumet for validity!!!
            serverPort = arg[1];
            new Client(serverAddress, serverPort);
        }
        
        

    }
}