* NETDEMO.CLASS (MAIN KERNEL OF 'MOLECULE' VOS)
*
* WRITTEN BY 'Fubin'
* COMPILED IN JDK1.5.*
* My MSN:yonghe169@163.com
*
*这是一个十分重要的模仿Dos界面的系统！非常重要。可以
* 用在很多处理输入程序的地方
*例如：Sisco等，可以写专门的接口工作程序
***********************************************/
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.net.*;
import java.io.*;
import java.text.*; </td> </tr> <tr> <td height="20" colspan="2">
运行图：</td> </tr> </table> </td> </tr> <tr>
public class NetDemo extends Panel implements KeyListener{ static Frame myFrame; TextField tf; TextArea ta; Panel p1,p2,p3; Scrollbar sb1,sb2; String currentPath=System.getProperty("user.dir"); String prompt=">",Temp="",drive_Name=""; int commandNum=0,tempCommand=0; Object val; ArrayList ll=new ArrayList(); String currentContent="",path=""; boolean editOn; public NetDemo() { ta=new TextArea(25,75); tf=new TextField(75); p1=new Panel(); p1.setBackground(Color.lightGray); p2=new Panel(); p2.setBackground(Color.lightGray); setLayout(new BorderLayout()); p1.add(ta,BorderLayout.NORTH); add(p1,BorderLayout.NORTH); p2.add(tf,BorderLayout.NORTH); add(p2,BorderLayout.SOUTH); Font f=new Font("Monospaced",Font.PLAIN,15); ta.setFont(f); tf.setFont(f); ta.setBackground(Color.white); ta.setForeground(Color.black); tf.setBackground(Color.white); tf.setForeground(Color.black); ta.append("Title: Molecule Virtual OS\n"); ta.append("Version: Pre-beta Kernel, JVM version 1.2/1.3\n"); ta.append("Written by: Amitava Sen\n"); ta.append("Contact: write2sen@hotmail.com\n"); ta.append("Dated: February, 2001.\n\n"); ta.append(currentPath+prompt); //ta.setEditable(true); tf.addKeyListener(this); requestFocus(); tf.requestFocus(); } void p(String s){ta.append(s);} public void keyTyped(KeyEvent ke) {}; public void keyReleased(KeyEvent ke) {}; public void keyPressed(KeyEvent ke) { if (editOn==false) commandControl(ke); if (editOn==true) edit(ke); } ////////////////////////////////////////////////// ////////////////// EDIT MODE ///////////////////// ////////////////////////////////////////////////// protected void edit(KeyEvent ke) { editOn=true; char c = ke.getKeyChar(); String commandEnter=tf.getText(); StringTokenizer tokenizer=new StringTokenizer(commandEnter); if (c=='\n') { if (commandEnter.equals("exit")) { ta.setText(currentContent); //ta.setEditable(false); tf.setText(""); editOn=false; ta.append(currentPath+prompt); myFrame.setTitle("Molecule (NetDemo Console) - Type 'help' or '?' for Help"); } else if (commandEnter.startsWith("save") || commandEnter.startsWith("save ")) { String token=tokenizer.nextToken(); String taContent=ta.getText(); char opchar; int count,countLimit=taContent.length(); while(tokenizer.hasMoreTokens()){ try { token=tokenizer.nextToken(); FileOutputStream fout=new FileOutputStream(drive_Name+currentPath+"/"+token); for (count=0;count< countLimit;count++){ opchar=taContent.charAt(count); fout.write((int)opchar); } fout.close(); }catch(Exception e){ ta.append("Error: Can't save program '"+token+"'\n"); } } tf.setText(""); tf.requestFocus(); } else { tf.setText(""); ta.requestFocus(); } } } ////////////////////////////////////////////////// /////////////// COMMAND MODE ///////////////////// ////////////////////////////////////////////////// protected void commandControl(KeyEvent ke) { editOn=false; char c = ke.getKeyChar(); int key=ke.getKeyCode(); if (key==KeyEvent.VK_UP) { tempCommand=tempCommand-1; try { val=ll.get(tempCommand); String commandSel=(String)val; tf.setText(""); tf.setText(commandSel); }catch(Exception e){} } if (key==KeyEvent.VK_DOWN) { tempCommand=tempCommand+1; try { val=ll.get(tempCommand); String commandSel=(String)val; tf.setText(""); tf.setText(commandSel); }catch(Exception e){} } if (c=='\n'){ String ta_Address="",command=""; String commandEnter=tf.getText(); commandEnter=commandEnter.trim(); int i,commandMode; if (!commandEnter.equals("")) { ll.add(commandEnter); commandNum=commandNum+1; tempCommand=tempCommand+1; //System.out.println(ll+" "+commandNum); } try { String tmp1=currentPath+"/"+commandEnter; String tmp2=tmp1.replace('\\','/'); StringTokenizer st1=new StringTokenizer(tmp2); String tmp3=st1.nextToken(); String tmp4=st1.nextToken(); tmp2=tmp3+tmp4; //System.out.println(tmp2); }catch(Exception e){} tf.setText(""); StringTokenizer tokenizer=new StringTokenizer(commandEnter); ////////////// IP //////////////////// if (commandEnter.startsWith("ip") || commandEnter.startsWith("ip ")) { int ServerError=0; ta.setEditable(true); ta.append(commandEnter+"\n"); //ta.setEditable(false); String token=tokenizer.nextToken(); while(tokenizer.hasMoreTokens()){ token=tokenizer.nextToken(); try{ InetAddress SW[]=InetAddress.getAllByName(token); for(i=0;i< SW.length;i++) ta_Address=ta_Address+SW[i]+"\n"; ta.setEditable(true); ta.append(ta_Address+"\n"); //ta.setEditable(false); }catch(Exception e) { ServerError=1; String cannotFindServer=""; cannotFindServer=token; ta.append("Error: Can't find server '"+cannotFindServer+"'\n");} } if (ServerError==1){ ta.append(currentPath+prompt); tf.requestFocus(); } } ////////////// URL INFORMATION ////////////////// if (commandEnter.startsWith("urlinfo") || commandEnter.startsWith("urlinfo ")) { ta.setEditable(true); ta.append(commandEnter+"\n"); //ta.setEditable(false); String token=tokenizer.nextToken(); while(tokenizer.hasMoreTokens()){ token=tokenizer.nextToken(); try{ URL hp=new URL(token); URLConnection hpCon=hp.openConnection(); ta.append("'"+token+"' available data: \n"); ta.append("Date: "+new Date(hpCon.getDate())+"\n"); ta.append("Content/Type: "+hpCon.getContentType()+"\n"); ta.append("Last Modified: "+new Date(hpCon.getLastModified())+"\n"); ta.setEditable(true); ta.append(ta_Address+"\n\n"); //ta.setEditable(false); }catch(Exception e) { String cannotFindServer=""; cannotFindServer=token; ta.append("Error: Can't find server '"+cannotFindServer+"'\n"); ta.append("Usage: urlinfo http://"+cannotFindServer+"\n");} } ta.append(currentPath+prompt); tf.requestFocus(); } ////////////// RUN //////////////////// else if (commandEnter.startsWith("run ") || commandEnter.startsWith("run")) { int runError=0; ta.setEditable(true); ta.append(commandEnter+"\n"); //ta.setEditable(false); String token=tokenizer.nextToken(); String ta_Run=""; while(tokenizer.hasMoreTokens()){ token=tokenizer.nextToken(); Runtime r=Runtime.getRuntime(); Process p=null; try{ p=r.exec(token); ta_Run=ta_Run+token+"\n"; ta.setEditable(true); }catch(Exception e){ String cannotRunFile=""; cannotRunFile=token; ta.append("Error: Can't run program '"+cannotRunFile+"'\n"); } } ta.append("The file(s) started are:\n"+ta_Run+"\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// WHOIS //////////////////// else if (commandEnter.startsWith("whois ") || commandEnter.startsWith("whois")) { int whois=0,ch; ta.setEditable(true); ta.append(commandEnter+"\n"); //ta.setEditable(false); String token=tokenizer.nextToken(); String ta_Whois="",Whois=""; while(tokenizer.hasMoreTokens()){ token=tokenizer.nextToken(); try{ Socket s=new Socket("internic.net",43); InputStream in=s.getInputStream(); OutputStream out=s.getOutputStream(); Whois=token+"\n"; byte buf[]=Whois.getBytes(); out.write(buf); while ((ch=in.read())!=-1) { ta_Whois=ta_Whois+(char)ch; } ta.append(ta_Whois); s.close(); }catch(Exception e){ String cannotFindWhois=""; cannotFindWhois=token; ta.append("Error: Can't find server '"+cannotFindWhois+"'\n"); } } //s.close(); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// FIND FILE ///////////// else if (commandEnter.startsWith("find ") || commandEnter.startsWith("find")) { boolean findFile; ta.setEditable(true); ta.append(commandEnter+"\n"); String token=tokenizer.nextToken(); String ta_FileExists="",ta_FileDoesNotExist=""; while(tokenizer.hasMoreTokens()){ token=tokenizer.nextToken(); try{ File isHere=new File(token); findFile=isHere.exists(); if (findFile==true) { ta_FileExists=ta_FileExists+token+"\n"; } else { ta_FileDoesNotExist=ta_FileDoesNotExist+token+"\n"; } }catch(Exception e){ta.append("Error: Can't execute command 'find'\n");} } ta.append("The file(s) exist(s):\n"); ta.append(ta_FileExists); ta.append("The file(s) do(es) not exist(s):\n"); ta.append(ta_FileDoesNotExist+"\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// BLACK VIDEO /////////// else if (commandEnter.equalsIgnoreCase("bv")) { ta.setBackground(Color.black); tf.setBackground(Color.black); ta.setForeground(Color.lightGray); tf.setForeground(Color.lightGray); ta.setEditable(true); ta.append(commandEnter+"\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// NORMAL VIDEO /////////// else if (commandEnter.equalsIgnoreCase("nv")) { ta.setBackground(Color.white); tf.setBackground(Color.white); ta.setForeground(Color.black); tf.setForeground(Color.black); ta.setEditable(true); ta.append(commandEnter+"\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// ORANGE VIDEO /////////// else if (commandEnter.equalsIgnoreCase("ov")) { ta.setBackground(Color.black); tf.setBackground(Color.black); ta.setForeground(Color.orange); tf.setForeground(Color.orange); ta.setEditable(true); ta.append(commandEnter+"\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// YELLOW VIDEO /////////// else if (commandEnter.equalsIgnoreCase("yv")) { ta.setBackground(Color.black); tf.setBackground(Color.black); ta.setForeground(Color.yellow); tf.setForeground(Color.yellow); ta.setEditable(true); ta.append(commandEnter+"\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// GREEN VIDEO /////////// else if (commandEnter.equalsIgnoreCase("gv")) { ta.setBackground(Color.black); tf.setBackground(Color.black); ta.setForeground(Color.green); tf.setForeground(Color.green); ta.setEditable(true); ta.append(commandEnter+"\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// DATE //////////////////// else if (commandEnter.equalsIgnoreCase("date")) { Date date=new Date(); ta.setEditable(true); ta.append(commandEnter+"\n"); ta.append("Current date: "+date+"\n\n"); ta.append(currentPath+prompt); //ta.setEditable(false); tf.requestFocus(); } ////////////// CLS //////////////////// else if (commandEnter.equalsIgnoreCase("cls")) { ta.setText(""); ta.setText(currentPath+prompt); tf.requestFocus(); } /////////// DIRECTORY /////////////// else if (commandEnter.startsWith("dir ")){ int j=0; ta.setEditable(true); ta.append(commandEnter+"\n"); try{ String token=tokenizer.nextToken(); token=tokenizer.nextToken(); File dir=new File(token); Temp=dir.getPath(); ta.append("Directory: "+dir.getPath()+"\n"); p(dir.exists()?"":"The directory does'nt exist\n"); String[] fileNames; fileNames=dir.list(); for (j=0;j<=fileNames.length;j++) { int fileSize=fileNames[j].length(); ta.append(fileNames[j]+" , "+"("+fileSize+" bytes)\n"); } }catch(Exception e){} ta.append("\nTotal Files: "+j); ta.append("\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } //////////////////////////////////////////////// else if (commandEnter.equalsIgnoreCase("dir")){ ta.setEditable(true); ta.append(commandEnter+"\n"); int j=0; try{ File dir=new File(drive_Name+currentPath); ta.append("\nFiles\n------\n"); String[] fileNames; fileNames=dir.list(); for (j=0;j<=fileNames.length;j++) { //File f=new File(drive_Name+currentPath+fileNames[j]); //System.out.println(currentPath); File f=new File(fileNames[j]); //if (f.isDirectory()) { //ta.append(fileNames[j]+" , (directory)\n"); //int fileSize=fileNames[j].length(); //long fileSize=f.length(); //long modTime=f.lastModified(); //ta.append(fileNames[j]+" , "+"("+fileSize+" bytes)\n"); ta.append(fileNames[j]+"\n"); //if (fileSize==0)ta.append(fileNames[j]+" , "+"(dir)\n"); //} //else { //ta.append(fileNames[j]+" , (file)\n"); //} } }catch(Exception e){} ta.append("\nTotal Files: "+j); ta.append("\n\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// CHANGE DIRECTORY ////////////// else if (commandEnter.startsWith("cd ")) { String ta_List="",currentDir=""; ta.setEditable(true); ta.append(commandEnter+"\n"); try{ String token=tokenizer.nextToken(); token=tokenizer.nextToken(); File cd=new File(drive_Name+currentPath+"/"+token); path=drive_Name+currentPath+"/"+token; if (cd.exists()==true)currentPath=path; if (cd.exists()==false) ta.append("Error: File does'nt exist\n"); }catch(Exception e){ta.append("Error: Can't execute command 'cd'\n"); } ta.append("\n"); ta.append(currentPath+prompt); //ta.setEditable(false); tf.requestFocus(); } //////////////////////////////////////////////// else if (commandEnter.equalsIgnoreCase("cd"))
ta.append(commandEnter+"\n"+System.getProperty("user.dir")+"\n\n"+currentPath+prompt); //////////////////////////////////////////////// else if (commandEnter.equalsIgnoreCase("cd..")){ String ta_List="",currentDir="",rootDir=""; ta.setEditable(true); ta.append(commandEnter+"\n"); try { File dir=new File(currentPath); if (dir.exists()==false)ta.append("Error: Can't change directory\n"); currentPath=dir.getParent(); rootDir=dir.getPath(); if (currentPath==null) {currentPath=rootDir;} }catch(Exception e){ta.append("Error: Can't execute command 'cd'\n");} ta.append("\n"); ta.append(currentPath+prompt); //ta.setEditable(false); tf.requestFocus(); } //////////////////// SHOW FILE ////////////////// else if (commandEnter.startsWith("show ") || commandEnter.startsWith("show")) { int ic; ta.setEditable(true); ta.append(commandEnter+"\n"); String token=tokenizer.nextToken(); String fileContent=""; while(tokenizer.hasMoreTokens()){ token=tokenizer.nextToken(); try{ FileInputStream fin =new FileInputStream(drive_Name+currentPath+"/"+token); do { ic=fin.read(); if (ic!=-1) fileContent=fileContent+(char)ic; } while(ic!=-1); fin.close(); ta.append(fileContent); fileContent=""; }catch(Exception e){ String cannotShowFile=""; cannotShowFile=token; ta.append("Error: Can't show file '"+cannotShowFile+"'\n"); } } ta.append("\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } //////////////////// COPY FILE ////////////////// else if (commandEnter.startsWith("copy ") || commandEnter.startsWith("copy")) { int ic; ta.setEditable(true); ta.append(commandEnter+"\n"); String fileContent=""; FileInputStream fin; FileOutputStream fout; try{ String token=tokenizer.nextToken(); token=tokenizer.nextToken(); fin=new FileInputStream(drive_Name+currentPath+"/"+token); token=tokenizer.nextToken(); fout=new FileOutputStream(drive_Name+currentPath+"/"+token); do { ic=fin.read(); if (ic!=-1) fout.write(ic); } while(ic!=-1); fin.close(); fout.close(); }catch(Exception e){ ta.append("Error: Can't execute 'copy' command\n"); } ta.append("\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } //////////////////// RENAME FILE ////////////////// else if (commandEnter.startsWith("ren ") || commandEnter.startsWith("ren")) { ta.setEditable(true); ta.append(commandEnter+"\n"); try{ String token=tokenizer.nextToken(); token=tokenizer.nextToken(); File oldFile=new File(drive_Name+currentPath+"/"+token); if (oldFile.exists()==false) ta.append("Error: File '"+oldFile+"' does'nt exist\n"); token=tokenizer.nextToken(); File newFile=new File(drive_Name+currentPath+"/"+token); oldFile.renameTo(newFile); }catch(Exception e){ ta.append("Error: Can't execute 'ren' command\n"); } ta.append("\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } //////////////////// DELETE FILE ////////////////// else if (commandEnter.startsWith("kill ") || commandEnter.startsWith("kill")) { ta.setEditable(true); ta.append(commandEnter+"\n"); String token=tokenizer.nextToken(); while(tokenizer.hasMoreTokens()){ try{ token=tokenizer.nextToken(); File killFile=new File(drive_Name+currentPath+"/"+token); if (killFile.exists()==false) ta.append("Error: File '"+killFile+"' does'nt exist\n"); killFile.delete(); }catch(Exception e){ ta.append("Error: Can't execute 'del' command\n"); } } ta.append("\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } //////////////////// MAKE DIRECTORY ////////////// else if (commandEnter.startsWith("md ") || commandEnter.startsWith("md")) { ta.setEditable(true); ta.append(commandEnter+"\n"); while(tokenizer.hasMoreTokens()){ try{ String token=tokenizer.nextToken(); token=tokenizer.nextToken(); File md=new File(drive_Name+currentPath+"/"+token); md.mkdir(); }catch(Exception e){ ta.append("Error: Can't execute 'md' command\n"); } } ta.append("\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } //////////////////// EDIT ////////////// else if (commandEnter.startsWith("edit ") || commandEnter.startsWith("edit")) { ta.setEditable(true); ta.append(commandEnter+"\n"); currentContent=ta.getText(); int ic; String fileContent="",currentFile=""; String token=tokenizer.nextToken(); ta.setText(""); try{ token=tokenizer.nextToken(); currentFile=token; FileInputStream fin =new FileInputStream(drive_Name+currentPath+"/"+token); do { ic=fin.read(); if (ic!=-1) fileContent=fileContent+(char)ic; } while(ic!=-1); fin.close(); ta.append(fileContent); }catch(Exception e){} //ta.setText(""); editOn=true; myFrame.setTitle("NetDemo Console - Edit Mode (Type 'exit' to quit) - "+currentFile); ta.requestFocus(); } //////////////////// LOCAL DATE ///////////////// else if (commandEnter.startsWith("local ") || commandEnter.startsWith("local")) { ta.setEditable(true); ta.append(commandEnter+"\n"); String token=tokenizer.nextToken(); Date date=new Date(); DateFormat df; Locale country=Locale.US; try{ token=tokenizer.nextToken(); if (token.equals("-us")) { ta.append("United States: \n"); country=Locale.US; } if (token.equals("-uk")) { ta.append("United Kingdom: \n"); country=Locale.UK; } if (token.equals("-jp")) { ta.append("Japan: \n"); country=Locale.JAPAN; } if (token.equals("-kr")) { ta.append("Korea: \n"); country=Locale.KOREA; } if (token.equals("-fr")) { ta.append("France: \n"); country=Locale.FRANCE; } if (token.equals("-gr")) { ta.append("Germany: \n"); country=Locale.GERMANY; } if (token.equals("-it")) { ta.append("Italy: \n"); country=Locale.ITALY; } if (token.equals("-ca")) { ta.append("Canada: \n"); country=Locale.CANADA; } if (token.equals("-ch")) { ta.append("China: \n"); country=Locale.CHINA; } if (token.equals("-tw")) { ta.append("Taiwan: \n"); country=Locale.CHINA; } df=DateFormat.getTimeInstance(DateFormat.FULL, country); ta.append("Time: "+df.format(date)+"\n"); df=DateFormat.getDateInstance(DateFormat.FULL, country); ta.append("Date: "+df.format(date)+"\n"); }catch(Exception e){ ta.append("Usage: local -us (United States)\n"); ta.append(" local -uk (United Kingdom)\n"); ta.append(" local -gr (Germany)\n"); ta.append(" local -fr (France)\n"); ta.append(" local -ca (Canada)\n"); ta.append(" local -it (Italy)\n"); ta.append(" local -ch (China)\n"); ta.append(" local -kr (Korea)\n"); ta.append(" local -jp (Japan)\n"); } ta.append("\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// SORT ///////////////////// else if (commandEnter.startsWith("sort ") || commandEnter.startsWith("sort")) { ta.setEditable(true); ta.append(commandEnter+"\n"); String token=tokenizer.nextToken(); TreeSet ts=new TreeSet(); while(tokenizer.hasMoreTokens()){ token=tokenizer.nextToken(); try{ ts.add(token); }catch(Exception e){ ta.append("Error: Can't execute command 'sort'\n"); } } ta.append("The sorted list:\n"); ta.append(ts+"\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// CHECK MEMORY //////////// else if (commandEnter.equalsIgnoreCase("memcheck")) { Runtime r=Runtime.getRuntime(); long mem1; ta.setEditable(true); ta.append(commandEnter+"\n"); ta.append("Total Memory: "+r.totalMemory()+" bytes"+"\n"); ta.append("Initial free Memory: "+r.freeMemory()+" bytes"+"\n"); r.gc(); mem1=r.freeMemory(); ta.append("Free memory after Garbage collection: "+mem1+" bytes\n\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// OS INFORMATION ////////// else if (commandEnter.equalsIgnoreCase("osinfo")) { ta.setEditable(true); ta.append(commandEnter+"\n"); String os_arch="",os_name="",os_version="",usr_Name="",usr_Home=""; os_arch=System.getProperty("os.arch"); os_name=System.getProperty("os.name"); os_version=System.getProperty("os.version"); usr_Name=System.getProperty("user.name"); usr_Home=System.getProperty("user.home"); ta.append("OS Architecture: "+os_arch+" type\n"); ta.append("OS Name: "+os_name); if (os_name.equals("Windows 95"))ta.append("(Windows 98/ME)\n"); ta.append("OS Version: "+os_version+"\n"); ta.append("OS Registered to: "+usr_Name+"\n"); ta.append("OS Installation: "+usr_Home+"\n\n"); ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// QUIT //////////////////// else if (commandEnter.equalsIgnoreCase("quit")) { System.exit(0); } ////////////// //////////////////// else if (commandEnter.equals("")) { ta.append("\n"); ta.append(currentPath+prompt); tf.requestFocus(); } ////////////// PROMPT //////////////////// else if (commandEnter.startsWith("prompt ") || commandEnter.startsWith("prompt")) { ta.setEditable(true); ta.append(commandEnter+"\n"); try { String token=tokenizer.nextToken(); token=tokenizer.nextToken(); prompt=token; } catch(Exception e) {t
a.append("Error: Parameter missing in 'prompt'\nUsage: prompt anyword\n");} ta.append(currentPath+prompt); //ta.setEditable(false); } ////////////// HELP //////////////////// else if (commandEnter.equalsIgnoreCase("help") || commandEnter.equalsIgnoreCase("?")) { ta.setEditable(true); ta.append(commandEnter+"\n"); ta.append("----------|---------------------------|-----------------------------\n"); ta.append(" COMMAND | MEANING | EXAMPLE\n"); ta.append("----------|---------------------------|-----------------------------\n"); ta.append(" ip | Internet Protocol | ip yahoo.com hotmail.com\n"); ta.append(" run | Run Program | run calc notepad word prog\n"); ta.append(" date | Shows Date | date\n"); ta.append(" cls | Clears Screen | cls\n"); ta.append(" cd | Changes directory | cd Programs\n"); ta.append(" copy | Copy files | copy readme.txt newreadme.txt\n"); ta.append(" dir | Shows Directory | dir\n"); ta.append(" memcheck | Checks Memory | memcheck\n"); ta.append(" prompt | Changes prompt sign | prompt >>>\n"); ta.append(" urlinfo | Gives URL information | urlinfo http://www.yahoo.com\n"); ta.append(" sort | Sorts given data | sort bad perfect great\n"); ta.append(" edit | Goes to Edit mode | edit filename(optional)\n"); ta.append(" find | Finds file | find prog.dbm hello.txt \n"); ta.append(" kill | Deletes file | kill file1.txt file2.txt\n"); ta.append(" save | Saves file in edit mode | save file1 file2 file3\n"); ta.append(" local | Shows country Time & Date | local \n"); ta.append(" nv | Normal Video | nv\n"); ta.append(" bv | Black Video | bv\n"); ta.append(" gv | Green Video | gv\n"); ta.append(" ov | Orange Video | ov\n"); ta.append(" yv | Yellow Video | yv\n"); ta.append(" ren | Rename files | ren oldName.txt newName.txt\n"); ta.append(" md | Creates new Directory | md newDirectory\n"); ta.append(" show | Shows file content | show readme.txt\n"); ta.append(" osinfo | OS Information | osinfo\n"); ta.append(" exit | Exits from Edit Mode | exit\n"); ta.append(" help | Shows help information | help\n"); ta.append(" ? | Shows help information | ?\n"); ta.append(" whois | Gives information of site | whois internic.net dotcom.com\n"); ta.append(" quit | Quits NetDemo / Edit mode | quit\n\n"); ta.append(currentPath+prompt); tf.requestFocus(); } ////////////// ERROR //////////////////// else { ta.setEditable(true); ta.append(commandEnter+"\n"); String temp=currentPath+"/"+commandEnter; String temp2=temp.replace('\\',' '); StringTokenizer st=new StringTokenizer(temp2); String temp3=st.nextToken(); String temp4=st.nextToken(); temp2=temp3+temp4; //System.out.println(temp2); try { Runtime r=Runtime.getRuntime(); Process p=null; p=r.exec(temp2); }catch(Exception e){ta.append("Error: Illegal command call\n\n");} ta.append(currentPath+prompt); //ta.setEditable(false); tf.requestFocus(); } } } public static void main(String args[]) throws Exception{ myFrame=new Frame("Molecule (NetDemo Console) - Type 'help' or '?' for Help"); NetDemo nd=new NetDemo(); myFrame.add(nd); myFrame.setSize(600,400); myFrame.setLocation(200,100); myFrame.pack(); myFrame.setResizable(false); myFrame.show(); myFrame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent we) {System.exit(0);} }); } }
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