Read and Write file in Remote system Drive
Hi all,
I am try to create the file in Remote system,
in example i find the method to create file in remote system , ie //computer_name/Share_name/fileName
the above sample , i know the computer name but i dont know Share name of the computer ,
Its any possible to find the share name in java ?
please give some idea to solve my problem ?
With Regards,
Ganesh Kumar.L
tlgkumar wrote:
in example i find the method to create file in remote system , ie //computer_name/Share_name/fileName
the above sample , i know the computer name but i dont know Share name of the computer ,
Its any possible to find the share name in java ?Sure. Ask the person who is writing the requirements which share you should use. Don't settle for incomplete requirements.
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package de.CATALOGcreator.shoppingcart;
import java.awt.*;
import java.io.*;
import java.applet.*;
import java.util.*;
import java.security.*;
import netscape.javascript.*;
public class shoppingcart extends java.applet.Applet
private static final long serialVersionUID = 1234567890L;
//Explanation of the possible Parameters of the applet, all of the following
//parameters need not be given explicitely, because they have default values.
String errorMessageInvalidFileFormat = ""; //set the ErrorMessage String for InvalidFileFormat when loading
String openDialogTitle = ""; //set the Open Dialog Title
String saveDialogTitle = ""; //set the Save Dialog Title
String articleNumberString = ""; //set the ArticleNumber of the CSV headline
String articleNameString = ""; //set the ArticleName of the CSV headline
String amountString = ""; //set the AmountName of the CSV headline
String priceString = ""; //set the PriceName of the CSV headline
String delimiterString =""; //set the Delimiter for the Output-csv
String inputdelimiterString =""; //set the Delimiter for the Intput-csv
//No parameter, this String is built from articleNumberString, articleNameString, amountString and
//priceString and delimiterString in the following manner:
//headline = articleNumberString + delimiterString + articleNameString + delimiterString + amountString+ delimiterString + priceString;
//see: init();
String headline = ""; //set the Headline of the csv-file
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//at once, in all other cases (also if parameter does not exist) you have to
//call SaveShoppingCart explicitely.
String saveCartAtOnce;
public void init()
try
//set the default setting for the Paramters
openDialogTitle = this.getParam("openDialogTitle", "Open Shopping Cart");
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errorMessageInvalidFileFormat = this.getParam("errorMessageInvalidFileFormat", "Invalid File Format!\nLoading stopped.");
delimiterString = this.getParam("delimiterString", "||");
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//LoadShoppingCart();
}//if
return null;
}// public Object run
});//AccessController
catch(Exception e)
e.printStackTrace();
}//void init
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DataOutputStream dos;
String myFile;
File f ;
myFile = SaveDialog();
if(myFile!=null)
f = new File(myFile);
String Artikel=getParameter("Artikel");
String Anzahl=getParameter("MyAnzahl");
String Bezeichnung=getParameter("Bezeichnung");
String Preis=getParameter("Preis");
StringTokenizer stArticle = new StringTokenizer(Artikel, inputdelimiterString);
StringTokenizer stAnzahl = new StringTokenizer(Anzahl, inputdelimiterString);
StringTokenizer stBezeichnung = new StringTokenizer(Bezeichnung, inputdelimiterString);
StringTokenizer stPreis = new StringTokenizer(Preis, inputdelimiterString);
JSObject.getWindow(this).eval("alert('"+ Artikel +"')");
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dos = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(myFile),128));
// Line 1
dos.writeChars(headline + "\n");
while (stArticle.hasMoreTokens())
String tmpArticle=stArticle.nextToken();
String tmpAnzahl=stAnzahl.nextToken();
String tmpBezeichnung=stBezeichnung.nextToken();
String tmpPreis=stPreis.nextToken();
dos.writeChars(tmpArticle + delimiterString + tmpBezeichnung + delimiterString +tmpPreis + delimiterString + tmpAnzahl + "\n");
}//while
dos.flush();
System.out.println("Successfully wrote to the file named " + myFile + " -- go take a look at it!");
dos.close();
}//try
catch (SecurityException e)
System.out.println("JavaSoft SaveShoppingCart: SecurityException\nMessage:" + e.getMessage() + "\nStackTrace:");
e.printStackTrace(System.out);
}//catch
catch (IOException ioe)
System.out.println("JavaSoft SaveShoppingCart: IOexception\nMessage:" + ioe.getMessage() + "\nStackTrace:");
ioe.printStackTrace(System.out);
}//catch
}//if
}//void SaveShoppingCart
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try
//Date now = new Date(System.currentTimeMillis());
Calendar rightNow = Calendar.getInstance();
//SystemDate
//String strDay = Integer.toString(now.getDate());
String strDay = Integer.toString(rightNow.get(Calendar.DAY_OF_MONTH));
//String strMonth = Integer.toString(now.getMonth()+1);
String strMonth = Integer.toString(rightNow.get(Calendar.MONTH));
//String strYear = Integer.toString(now.getYear()+1900);
String strYear = Integer.toString(rightNow.get(Calendar.YEAR));
//SystemTime
//String strHoure = Integer.toString(now.getHours());
String strHoure = Integer.toString(rightNow.get(Calendar.HOUR));
//String strMinutes = Integer.toString(now.getMinutes());
String strMinutes = Integer.toString(rightNow.get(Calendar.MINUTE));
//String strSeconds = Integer.toString(now.getSeconds());
String strSeconds = Integer.toString(rightNow.get(Calendar.SECOND));
//set SystemDate+SystemTime
String strDate=strDay+"_"+strMonth+"_"+strYear+"_"+strHoure+"_"+strMinutes+"_"+strSeconds;
//set SaveName as *.csv
String SaveAs = strDate + ".csv";
FileDialog fd = new FileDialog (new Frame(), "Save File As", FileDialog.SAVE);
fd.setFile(SaveAs);
fd.setVisible(true);
//Value Save or Cancel Button
if((fd.getDirectory() == null) || (fd.getFile() == null)) // user pressed the cancel - button
return null;
}//if
else // user pressed save - button
return fd.getDirectory() + fd.getFile();
}//else
}//try
catch (SecurityException e)
System.out.println("JavaSoft String SaveDialog: SecurityException\nMessage:" + e.getMessage() + "\nStackTrace:");
e.printStackTrace(System.out);
return null;
}//catch
}// String SaveDialog
public String OpenDialog()
FileDialog fd = new FileDialog (new Frame(), openDialogTitle, FileDialog.LOAD);
fd.setVisible(true);
return fd.getDirectory() + fd.getFile();
}//String OpenDialog
private String getParam( String paramName, String defaultValue )
String value = getParameter( paramName );
if ( value != null )
return value;
}//if
return defaultValue;
}//String getParam
public void LoadShoppingCart()
String myFile;
File f ;
myFile = OpenDialog();
if(myFile!=null)
f = new File(myFile);
String rl = "";
Object[] Obj = new Object[2];
try
DataInputStream dis = new DataInputStream(new BufferedInputStream(new FileInputStream(myFile),128));
// Line 1
String FirstLine = myReadLine(dis);
JSObject.getWindow(this).eval("alert('"+ FirstLine +"')");
if(FirstLine.startsWith(headline))
while ( (rl = myReadLine(dis)) != null)
//examines correct delimiter
StringTokenizer token = new StringTokenizer (rl, delimiterString);
if(token.countTokens()!= 4)
dis.close();
JSObject.getWindow(this).eval("alert('"+ errorMessageInvalidFileFormat +"')");
}//if
Obj[0]= (Object)rl;
Obj[1]= (Object)delimiterString;
JSObject.getWindow(this).call("addCSVArticle",Obj); // this=applet
}//while
JSObject.getWindow(this).call("importFinished",null);
else
dis.close();
JSObject.getWindow(this).eval("alert('"+ errorMessageInvalidFileFormat +"')");
//System.exit(-1);
}//else
dis.close();
}//try
catch (SecurityException e)
System.out.println("JavaSoft LoadShoppingCart: SecurityException\nMessage:" + e.getMessage() + "\nStackTrace:");
e.printStackTrace(System.out);
}//catch
catch (IOException ioe)
System.out.println("JavaSoft LoadShoppingCart: IOexception\nMessage:" + ioe.getMessage() + "\nStackTrace:");
ioe.printStackTrace(System.out);
}//catch
catch(Exception exc)
System.out.println("JavaSoft LoadShoppingCart: Exception\nMessage:" + exc.getMessage() + "\nStackTrace:");
exc.printStackTrace(System.out);
}//catch
}//if
}//void LoadShoppingCart
private String myReadLine(DataInputStream dis)
char tmp;
String line = "";
try
while((tmp = dis.readChar())!= '\n')
line += tmp;
return line;
}//try
catch(IOException ioexc)
return null;
}//catch
}//String myReadLine
public boolean isInitialized()
return true;
}//public class ShoppingCart extends java.applet.Applet[/i] -
hello
I have web application and I try using servlet to upload an image
upload proccess works fine
example
1. I upload the the file C:\images\books\mybook.gif into
temp folder
2. other actions
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this process oerks fine on my home pc
but I becom an ecxeption by webprovider
/home/mydomain/public_html/projects/tempData/C:\images\books\mybook.gif(No such file or directory)what shoud be the problem and how to solve this issue
thankshere is the code of the uploadservlet
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boolean sizeOK = true;
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String filename = parser. getBaseFilename(name);
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if(sizeOK){
if (ins!=null)
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FileOutputStream outfile = new FileOutputStream(new File("MyTemp",filename));
int read;
byte[] buffer = new byte[4096];
while ((read=input.read(buffer))!=-1){
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outfile.close();
input.close();
}// end out while
}catch (Exception e) { out.flush(); }
what is to change here thanks
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