sendform.java

基于WINCE5.2的ARM嵌入式手机软件的开发

/*
 * 发送邮件
 */

package MobileEmail;
import javax.microedition.lcdui.*;
import java.io.IOException;
/**
 *
 * @author Administrator
 */
public class SendForm extends Form implements CommandListener,Runnable{
    private EMailMidlet midlet;
    private Ticker ticker;
    private TextField tfRecipients;
    private TextField tfSubject;
    private TextField tfContent;

    private Command cmdSend=new Command("发送",Command.SCREEN,2);
    private Command cmdBack=new Command("返回",Command.BACK,1);

    public SendForm(EMailMidlet midlet){
        super("发送邮件");
        this.midlet=midlet;

        tfRecipients=new TextField("收件人:","",50,TextField.EMAILADDR);
        tfSubject=new TextField("主题:","",50,TextField.ANY);
        tfContent=new TextField("内容:","",200,TextField.ANY);
        tfContent.setPreferredSize(super.getWidth(), 120);
        append(tfRecipients);
        append(tfSubject);
        append(tfContent);

        ticker=new Ticker("编写邮件！");
        setTicker(ticker);

        addCommand(cmdSend);
        addCommand(cmdBack);
        this.setCommandListener(this);
    }

    public void clear(){
        tfRecipients.setString("");
        tfSubject.setString("");
        tfContent.setString("");
    }

    public void commandAction(Command c,Displayable d){
        if(c==cmdBack){
            midlet.BackToMenu();
        }
        else if(c==cmdSend){
            String recipients=tfRecipients.getString();
            if(recipients.equals("")){
                midlet.showAlert("错误！", "请输入收件人的地址！");
            }
            else{
                ticker.setString("正在发送邮件，请稍候……");
                removeCommand(cmdSend);
                Thread t=new Thread(this);
                t.start();
            }
        }
    }

    public void run(){
        boolean isOK=true;
        try{
            EMailConfig config=EMailConfig.getInstance();
            String localhost=System.getProperty("microedition.platform");
            SMTPClient smtpClient=new SMTPClient(localhost);
            smtpClient.open(config.getSMTPServer(),config.getAccounts(),config.getPassword());

            String subject=tfSubject.getString();
            String content=tfContent.getString();
            String recipients=tfRecipients.getString();
            smtpClient.send(subject,content,new String[]{recipients});
            smtpClient.close();
        }
        catch(IOException emo){
            isOK=false;
            midlet.showAlert("错误！", emo.toString());
        }
        catch(EMailException ee){
            isOK=false;
            midlet.showAlert("错误！", ee.toString());
        }

        if(isOK){
            ticker.setString("发送邮件成功！");
        }
        else{
            ticker.setString("发送邮件失败！请重新发送！");
        }
        this.addCommand(cmdSend);
    }
}