printerdriver.java

只是一个简单模拟操作系统

/*
 * PrinterDriver.java
 *
 * Created on 2006年3月18日, 下午2:32
 *
 * 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 os.iodevice;

/**
 *
 * @author Vernkin
 */
import javax.swing.*;
import os.process.*;

public class PrinterDriver implements Runnable
{
    final private String name = "[PrinterDriver]";
    
    IOGate ig;
    MyProcess currentPro;
    
    //display area
    JLabel proInfo;
    JTextArea printerOut;
    JTextArea commonOut;
    
    /** Creates a new instance of PrinterDriver */
    public PrinterDriver(JLabel proInfo,JTextArea printerOut,JTextArea commonOut) {
        ig = IOGate.getInstance("Printer");
        this.proInfo = proInfo;
        this.printerOut = printerOut;
        this.printerOut.append(name+" Activated"+"\n");
        this.commonOut = commonOut;
        this.commonOut.append(name+" Detected"+"\n");
        currentPro = null;
    }
    
    public void run(){
        while(true){
            if(ig.driverHaveTask()){
                currentPro = ig.getProcess();
                currentPro.setStatus("Printing");
                currentPro = ig.getProcess();
                proInfo.setText("Current Process Infomation : Name "+currentPro.getName()+"  ID:"+currentPro.getID());
                printerOut.append(name+currentPro+((char)ig.getData())+"\n");
                commonOut.append(name+currentPro+"[printing......]"+"\n");
                ig.driverFinishWork();
                currentPro = null;
             }else{
                ig.rest(2000);
             }//end else
          }
      }
    

}