mainframe.java

一个java实现的有界面的email发送程序。可以从网络上抓取email。也可以从文件中读取email

package com.code10.face;

import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Group;

import com.code10.access.ReadProperty;
import com.code10.basecomponent.UrlEntry;
import com.code10.basecomponent.UserInfo;
import com.code10.fetch.MainFetch;

public class MainFrame {

	private static MainFrame mainFrame = null;
	private  Shell sShell = null;  
	private CenterComposite centerComposite = null;
	private AlertComposite alertComposite = null;
	private LoginComposite loginComposite = null;
	private Menu menuBar = null;
	private Group grpUserinfo = null;
	private Group grpMailInfo = null;
	private Group grpMsg = null;
	private UserInfo userInfo = null;
	private static Display display ;
	private boolean fetching = false;
	private MainFetch mainFetch;
	public static MainFrame getInstance(){
		if(mainFrame == null){
			mainFrame = new MainFrame();
			return mainFrame;
		}
		else{
			return mainFrame;
		}
	}
	
	/**
	 * This method initializes sShell	
	 *
	 */
	private void createSShell() {
		sShell = new Shell(SWT.BORDER | SWT.SHELL_TRIM);
		sShell.setText("Mail Sender V1.0");
		sShell.setImage(new Image(Display.getCurrent(), "index_register.JPG"));
		createComposite();
		createGrpUserinfo();
		createGrpMailInfo();
		createGrpMsg();
		sShell.setSize(new org.eclipse.swt.graphics.Point(616,539));
		sShell.setLocation(200,100);
		menuBar = new Menu(sShell, SWT.BAR);
		createMenuBar();
		
		sShell.setMenuBar(menuBar);
		init();
	}
	
	private void init(){
		ReadProperty readProperty = ReadProperty.newInstance();
		String strUrl = readProperty.getPara("startUrl");
		int intLayer =  readProperty.getPara("startLayer").charAt(0) - '0';
		mainFetch = new MainFetch(strUrl,intLayer);
	}

	/**
	 * This method initializes composite	
	 *
	 */
	private void createComposite() {
		loginComposite = new LoginComposite(sShell, SWT.NONE);
		loginComposite.setBounds(new org.eclipse.swt.graphics.Rectangle(15,25,570,25));
		
		centerComposite = new CenterComposite(sShell, SWT.NONE);
		centerComposite.setDisplay(display);
		centerComposite.setBounds(new org.eclipse.swt.graphics.Rectangle(15,75,570,250));
		
		alertComposite = new AlertComposite(sShell, SWT.NONE);
		alertComposite.setBounds(new org.eclipse.swt.graphics.Rectangle(15,350,570,120));
	
	}

	/**
	 * This method initializes grpUserinfo	
	 *
	 */
	private void createGrpUserinfo() {
		grpUserinfo = new Group(sShell, SWT.NONE);
//		grpUserinfo.setText("用户信息");
		grpUserinfo.setText("login information");
		grpUserinfo.setBounds(new org.eclipse.swt.graphics.Rectangle(5,10,586,44));
	}

	/**
	 * This method initializes grpMailInfo	
	 *
	 */
	private void createGrpMailInfo() {
		grpMailInfo = new Group(sShell, SWT.NONE);
//		grpMailInfo.setText("邮件信息");
		grpMailInfo.setText("Mail Information");
		grpMailInfo.setBounds(new org.eclipse.swt.graphics.Rectangle(5,60,586,270));
	}

	/**
	 * This method initializes grpMsg	
	 *
	 */
	private void createGrpMsg() {
		grpMsg = new Group(sShell, SWT.NONE);
//		grpMsg.setText("输出信息");
		grpMsg.setText("Output Information");
		grpMsg.setBounds(new org.eclipse.swt.graphics.Rectangle(6,333,586,141));
	}
	/**
	 * 
	 *
	 */
	private void createMenuBar(){
		MenuItem fileitem = new MenuItem(menuBar, SWT.CASCADE);
//		fileitem.setText("&文件");
		fileitem.setText("&File");
		Menu filemenu = new Menu(sShell, SWT.DROP_DOWN);
		fileitem.setMenu(filemenu);
		MenuItem senditem = new MenuItem(filemenu, SWT.PUSH);
//		senditem.setText("&发送");
		senditem.setText("&Send");
		MenuItem exititem = new MenuItem(filemenu, SWT.PUSH);
//		exititem.setText("&退出");
		exititem.setText("&Exit");
		exititem.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent arg0) {

				MessageBox messagebox = new MessageBox(sShell, SWT.YES | SWT.NO);
				messagebox.setText("退出");
				messagebox.setMessage("确定退出程序吗?");
		            
				int val=messagebox.open();
					if(val == SWT.YES)
					{
						sShell.close();
					}				
				}
		});
		
		MenuItem operteritem = new MenuItem(menuBar, SWT.CASCADE);
//		operteritem.setText("&操作");
		operteritem.setText("&Operation");
		Menu fetchmenu = new Menu(sShell, SWT.DROP_DOWN);
		operteritem.setMenu(fetchmenu);
		final MenuItem fetchitem = new MenuItem(fetchmenu, SWT.PUSH);
//		fetchitem.setText("&从网页抓取");	
		fetchitem.setText("&Fetch from Webpage");	
		fetchitem.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent arg0) {
				if(!fetching){
					mainFetch.start();
					appendMsg("正在从" + UrlEntry.getStrHost() + "抓取......\n");
					fetching = true;
					fetchitem.setText("&停止抓取");
				}else{
					mainFetch.stopFetch();
					fetching = false;
					fetchitem.setText("&从网页抓取");
				}
			}
		});
		MenuItem settingitem = new MenuItem(menuBar, SWT.CASCADE);
//		settingitem.setText("&设置");
		settingitem.setText("&Setting");
		Menu setingmenu = new Menu(sShell, SWT.DROP_DOWN);
		settingitem.setMenu(setingmenu);
		MenuItem startURLitem = new MenuItem(setingmenu, SWT.PUSH);
//		startURLitem.setText("抓取参数设置");	
		startURLitem.setText("Fetch params");	
		startURLitem.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent arg0) {
				FetchInfoDailog fetchInfo = new FetchInfoDailog();
				fetchInfo.open(display);}
		});
		MenuItem serveritem = new MenuItem(setingmenu, SWT.PUSH);
//		serveritem.setText("用户信息设置");
		serveritem.setText("Login params");
		serveritem.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent arg0) {
				UserInfoDailog userInfo = new UserInfoDailog();
			    userInfo.open(display);}
		});
	}
	
	public void appendMsg(String str){
		alertComposite.appendMsg(str);
	}

	public static void main(String [] args){
		MainFrame test = MainFrame.getInstance();
	       display = new Display();
	      test.createSShell();
	      test.sShell.open();
	      while (!test.sShell.isDisposed()) {
	         if (!display.readAndDispatch())
	            display.sleep();
	      }
	      System.out.println("finishing...");
	      display.dispose();
	      System.exit(0);
	}

	public UserInfo getUserInfo() {
		return userInfo;
	}

	public void setUserInfo(UserInfo userInfo) {
		this.userInfo = userInfo;
	}
	
	public boolean getConnect(){
		return loginComposite.isConnected();
	}

	public static Display getDisplay() {
		return display;
	}
}