cdrecordcontroller.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.

/*
 * ScanBus.java
 *
 * Created on 26. oktober 2005, 15:04
 *
 * 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 burningtools; 

import java.lang.*;
import java.io.*;
import java.util.*;
/**
 *
 * @author Thomas
 */
public class CdRecordController {
    private static CdRecordController currentController = new CdRecordController();
    private Vector<CDRecordListener> cdRecordListeners = new Vector<CDRecordListener>();

    /**
     * METHOD - Making CdRecordController static
     */    
    public static CdRecordController getCdRecord() { 
	return currentController;
    }
    
    /**
     * METHOD - Add a CDRecordListener to the object variabel vector
     */    
    public void addListener(CDRecordListener cdRecordListener) { 
	this.cdRecordListeners.addElement(cdRecordListener);
    }
    
    public void fireBurnProcessUpdate(int burnPercentage, int burnTime, String burnMessage) {
        for(CDRecordListener l : cdRecordListeners) {
            l.burnProgressUpdated(burnPercentage, burnTime, burnMessage);
        }
    }

        
    /**
     * METHOD - Scanning machine for drivers, using scsibus (Windows)
     */
    public Vector<Device> scanBus() {
        // TODO: Test for ATAPI-drive. Return atapi = true if drive is ATAPI
        boolean atapi = false; //ATAPI is always false on Windows
        return this.scanBus(atapi);
    }

    // METHOD - Scanning machine for drivers, using atapi
    public Vector<Device> scanBus(boolean atapi) {
        Vector<Device> deviceVector = new Vector<Device>();
        ArrayList<String> scsiDevice = new ArrayList<String>();
        
        try{
            String addString = "";
            if (atapi == true) {
                addString = "dev=ATAPI ";          
            }
            String launchString = "cdrecord " + addString + "-scanbus";
            //System.out.println(launchString);
            Process scanBusProcess = Runtime.getRuntime().exec(launchString);
            InputStream scanBusStream = scanBusProcess.getInputStream();
            InputStreamReader scanBusStreamReader = new InputStreamReader(scanBusStream);
            BufferedReader scanBusBuffer = new BufferedReader(scanBusStreamReader);
            
            String bufferLine = scanBusBuffer.readLine();
            while (bufferLine != null) {
                if ((bufferLine.startsWith("\t")) && !((bufferLine.contains("*")) || (bufferLine.contains("HOST ADAPTOR")))){
                    scsiDevice.add(bufferLine.substring(1, 6));
                }
                bufferLine = scanBusBuffer.readLine();
            }
            scanBusProcess.destroy();
        }
        catch(Exception e){
            System.out.println("Something went wrong!");
            e.printStackTrace();
        }

        if (scsiDevice.isEmpty()) {
            System.out.println("No device was found!");
        }
        else {
            int numberOfDevices = scsiDevice.size();
            for (int i=0; i<numberOfDevices; i++) {
                String dev = scsiDevice.get(i);
                String[] devProberties = dev.split(",");
                int scsibus = Integer.parseInt(devProberties[0]);
                int target = Integer.parseInt(devProberties[1]);
                int lun = Integer.parseInt(devProberties[2]);
                System.out.println("ScsiBus: " + scsibus + "  Target: " + target + "  Lun: " + lun);
                deviceVector.addElement(new Device(scsibus, target, lun, atapi));
            }
        }
        return deviceVector;
    }
    
    /**
     * METHOD - Find out if there is a blank medium loadet in the chosen drive
     */
    public Medium getMedium(Device device) {
        boolean atapi = device.getAtapi();
        int scsibus = device.getScsibus();
        int target = device.getTarget();
        int lun = device.getLun();
        boolean mediumLoadet = true;
        boolean mediumBlank = true;
            
        try{
            String addString = "";
            if (atapi == true) {
                addString = "ATAPI:";          
            }
            String shellCommand = "cdrecord dev=" + addString + scsibus + "," + target  + "," + lun + " -toc";
            Process cdrecordProcess = Runtime.getRuntime().exec(shellCommand);
            // Get inputstream
            InputStream cdrecordStream = cdrecordProcess.getInputStream();
            InputStreamReader cdrecordStreamReader = new InputStreamReader(cdrecordStream);
            BufferedReader cdrecordBuffer = new BufferedReader(cdrecordStreamReader);
            // Reading ErrorStream
            InputStream errorStream = cdrecordProcess.getErrorStream();
            InputStreamReader errorStreamReader = new InputStreamReader(errorStream);
            BufferedReader errorBuffer = new BufferedReader(errorStreamReader);
            
            String bufferLine = "";
            while (bufferLine != null) {
                if(bufferLine.startsWith("first")) {
                    mediumBlank = false;
                }
                if(bufferLine.endsWith("Try to load media by hand.")) {
                    mediumLoadet = false;
                }
                if (errorBuffer.ready()) {
                    bufferLine = errorBuffer.readLine();
                    System.out.println("ERROR: " + bufferLine);
                }
                else {
                    bufferLine = cdrecordBuffer.readLine();
                    System.out.println(bufferLine);
                }                
            }

            // Destroying process
            cdrecordProcess.destroy();
        }
        catch(Exception e){
            System.out.println("Something went wrong!");
            e.printStackTrace();
        }
        
        if (mediumLoadet) {
            Medium medium = new Medium(mediumBlank);
            getMediumInfo(device, medium);
            return medium;
        }
        else {
            return null;
        }
    }
    
    /**
     * METHOD - Find out information of loadet medium
     */
    private void getMediumInfo(Device device, Medium medium) {
        boolean atapi = device.getAtapi();
        int scsibus = device.getScsibus();
        int target = device.getTarget();
        int lun = device.getLun();
        boolean mediumIsCD = false;
        boolean mediumIsDVD = false;
        int mediumCapasity = 0;
            
        try{
            String addString = "";
            if (atapi == true) {
                addString = "ATAPI:";          
            }
            String shellCommand = "cdrecord dev=" + addString + scsibus + "," + target  + "," + lun + " -atip";
            Process cdrecordProcess = Runtime.getRuntime().exec(shellCommand);
            // Get inputstream
            InputStream cdrecordStream = cdrecordProcess.getInputStream();
            InputStreamReader cdrecordStreamReader = new InputStreamReader(cdrecordStream);
            BufferedReader cdrecordBuffer = new BufferedReader(cdrecordStreamReader);
            // Reading ErrorStream
            InputStream errorStream = cdrecordProcess.getErrorStream();
            InputStreamReader errorStreamReader = new InputStreamReader(errorStream);
            BufferedReader errorBuffer = new BufferedReader(errorStreamReader);
            
            String bufferLine = cdrecordBuffer.readLine();
            while (bufferLine != null) {
                if(bufferLine.contains("ATIP start of lead out:")) {
                    mediumIsCD = true;
                    String[] temp = bufferLine.split(":");
                    String larstPart = temp[1].trim();
                    String[] kim = larstPart.split(" ");
                    String mediumCapasityStr = kim[0];
                    String mediumCapasityStrTrim = mediumCapasityStr.trim();
                    int mediumClusters = Integer.valueOf(mediumCapasityStrTrim);
                    mediumCapasity = (int)((double)mediumClusters/512.0);
                }
                bufferLine = cdrecordBuffer.readLine();
            }
            
            String errorLine = errorBuffer.readLine();
            while (errorLine != null) {
                if(errorLine.contains("Found DVD media")) {
                    mediumIsDVD = true;
                    mediumCapasity = 4490;
                }
                errorLine = errorBuffer.readLine();
            }
            // Destroying process