how to write a file to a different pc

I am doing a file upload program...
here I have my program running on tomcat server ..
when the file is to be uploaded I create a FILE object pointing to a folder on that server and upload it .. this works fine..

BUT now i have to store that file on some other server..

I have ip of that server ...

HOw can i write to another server....

the other part of problem is that my first server is linux and second is on windows 2000..

Jul 18 '07 #1

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1393

JosAH

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Expert 8TB

I am doing a file upload program...
here I have my program running on tomcat server ..
when the file is to be uploaded I create a FILE object pointing to a folder on that server and upload it .. this works fine..

BUT now i have to store that file on some other server..

I have ip of that server ...

HOw can i write to another server....

the other part of problem is that my first server is linux and second is on windows 2000..

At least you have to conform to the protocol *how* that other server wants you
to upload your file.

kind regards,

Jos

Jul 18 '07 #2

abhishek92

At least you have to conform to the protocol *how* that other server wants you
to upload your file.

kind regards,

Jos

my code is here:::----

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<%@ page contentType="text/html; charset=iso-8859-1" language="java" import="java.sql.*" errorPage="" %>  

<%@ page import="java.util.List"%>  

<%@ page import="java.util.Iterator"%>  

<%@ page import="java.io.File"%>

<%@ page import="org.apache.commons.fileupload.*"%>  

<%@ page import="org.apache.commons.fileupload.disk.*"%>  

<%@ page import="org.apache.commons.fileupload.servlet.*"%>  
 
<html>  

<head>  

<title>Commons-FileUpload-1.1 Report Page</title>  

<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">  

</head>  
 
<%!      

    //method to return file extension  

    String getFileExt(String xPath)

    {  

        //Find extension  

        int dotindex = 0;    //extension character position  

        dotindex = xPath.lastIndexOf('.');  

        if (dotindex == -1) // no extension      

        {    

                return "";  

        }  

        int slashindex = 0;    //seperator character position  

        slashindex = Math.max(xPath.lastIndexOf('/'),xPath.lastIndexOf('\\'));  

        if (slashindex == -1)    // no seperator characters in string  

        {

            return xPath.substring(dotindex);  

        }  

        if (dotindex < slashindex)    //check last "." character is not before last seperator  

        {    

            return "";  

        }  

        return xPath.substring(dotindex);  

    }
 
%>  

<body>
 
<%  

    //Create variables for path, filename and extension  

    String newFilePath = application.getRealPath("/") + "fileup2\\upload";

    String newFileName ="";  

    String FileExt = "";  

    // Create a factory for disk-based file items  

    FileItemFactory factory = new DiskFileItemFactory();  

    // Create a new file upload handler  

    ServletFileUpload upload = new ServletFileUpload(factory);  

    // Parse the request  

    List /* FileItem */ items = upload.parseRequest(request);  

    // Process the uploaded items  

    Iterator iter = items.iterator();  

    //Form fields   

    while (iter.hasNext())

    {  

        FileItem item = (FileItem) iter.next();  

        if (item.isFormField())

        {  

            String name = item.getFieldName();  

            String value = item.getString();  

            if (name.equals("newFileName"))

                newFileName = value;  

            out.println("Form Field Name= " + name + "<br>");  

            out.println("Form Field Value= " + value + "<br><br>");  

        }   

        else

        {  

            String fieldName = item.getFieldName();  

            String fileName = item.getName();  

            FileExt = getFileExt(fileName);  

            String contentType = item.getContentType();  

            boolean isInMemory = item.isInMemory();  

            long sizeInBytes = item.getSize();  

            out.println("fieldName= " + fieldName + "<br>");  

            out.println("fileName= " + fileName + " ");  

            out.println("FileExt= " + FileExt + "<br>");  

            out.println("contentType= " + contentType + "<br>");  

            out.println("isInMemory= " + isInMemory + "<br>");  

            out.println(" " + sizeInBytes + "Bytes <br>");  

            if (fileName.equals("") || sizeInBytes==0)

            {

                out.println("Not a valid file "+fileName+"("+sizeInBytes+"bytes) No upload attempted.<br>");

                return;

            }      

            else

            {  

                if(sizeInBytes>5300000)

                {

                    out.println("The size of file "+fileName+"("+sizeInBytes+"bytes) exceeds the limit !!! (LIMIT 5 MB)");

                    return;                

                }

                else

                {

                    File uploadedFile = new File(newFilePath+"/", newFileName+FileExt);  

                    try

                    {

                        item.write(uploadedFile);

                        out.println(fileName+"("+sizeInBytes+"bytes) was successfully uploaded as "+ newFileName+FileExt +")");  

                    }

                    catch (java.lang.Exception e)

                    {  

                        out.println("Errors prevented the file upload. "+fileName+ " was not uploaded!!! Exception is :  "+e);

                    }

                }  

            }  

        }  

    }  

%>  

</body>  

</html>

the supporting html code is

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 <html>
 
<head>

<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">

<title>file upload</title>

</head>
 
<body>  

<form method="post" action="Process_FileUpload.jsp" name="uploadform" enctype="multipart/form-data">    

    <table >  

    <tr>    

        <td>

            Select the file to upload

        </td>    

    </tr>

    <tr>

        <td>

            Subject : <input type=text name=subject>        

        </td>

    </tr>    

     <tr>    

      <td> 

          <input type="hidden" name="newFileName" value="newUploadedFileName1">    

        <input type="file" name="uploadfile">    

        </td>    

    </tr>      

    <tr>    

        <td align="center">   

            <input type="submit" name="Submit" value="Upload" >    

            <input type="reset" name="Reset" value="Cancel">    

        </td>    

    </tr>    

  </table>      

</form>    
 
</body>  

</html>

this code is running on one server ...
now you can see in code I have created a FILE class object that points on that server itself... and then item.write(<file class object>) is used to write...

but Is there any way that I can make a FILE class object to point to a location on some remote machine.....
how to do?????
can you suggest the protocol as you were asking....

Jul 19 '07 #3

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