/* DetectFile provides file existance and file size public methods
   for Javascript (LiveConnect for NN or ActiveX for IE) firing. 
                                         M. Gallant 08/21/2001  */

import com.ms.security.*;
import java.io.*;
import java.util.*;
import java.awt.* ;
import netscape.security.PrivilegeManager;


public class DetectFile extends java.applet.Applet
{

  public void init() {

        try {
          if (Class.forName("com.ms.security.PolicyEngine") != null)
            PolicyEngine.assertPermission(PermissionID.FILEIO);
        } catch (Throwable cnfe) {  }


   try {
    PrivilegeManager.enablePrivilege("UniversalFileAccess") ;  
     }
    catch(Exception cnfe) { 
      System.out.println("netscape.security.PrivilegeManager class not found; probably IE browser.") ;
     }

  }  // end init()



  public long checkFileSize(String filepath) {
   try {
    PrivilegeManager.enablePrivilege("UniversalFileAccess") ;  
     }
    catch(Exception cnfe) { 
      // System.out.println("netscape.security.PrivilegeManager class not found; probably IE browser.") ;
     }
        try {
          if (Class.forName("com.ms.security.PolicyEngine") != null)
            PolicyEngine.assertPermission(PermissionID.FILEIO);
        } catch (Throwable cnfe) {  }

   return (new File(filepath)).length() ;
  }

  public boolean checkFileExists(String filepath) {
   try {
    PrivilegeManager.enablePrivilege("UniversalFileAccess") ;  
     }
    catch(Exception cnfe) { 
      // System.out.println("netscape.security.PrivilegeManager class not found; probably IE browser.") ;
     }

        try {
          if (Class.forName("com.ms.security.PolicyEngine") != null)
            PolicyEngine.assertPermission(PermissionID.FILEIO);
        } catch (Throwable cnfe) {  }

    try {
     if((new File(filepath)).exists())
      return true  ;
       else
      return false  ;
      }
     catch(Exception exc) { 
       return false ;    // required for IE JVM if bad path.
     }
   }


}