
I have created a form to upload a file in a html page, now i want to get the path of the file in a jsp page so what code should I write?
thanks and regards...

it was coming as an error........
java.lang.StringIndexOutOfBoundsException: String index out of range: -1

1)page.jsp:
<%@ page language="java" %> <HTML> <HEAD><TITLE>Display file upload form to the user</TITLE></HEAD> <BODY> <FORM ENCTYPE="multipart/form-data" ACTION= "uploadandstore.jsp" METHOD=POST> <br><br><br> <center> <table border="0" bgcolor=#ccFDDEE> <tr> <center> <td colspan="2" align="center"><B>UPLOAD THE FILE</B><center></td> </tr> <tr> <td colspan="2" align="center"> </td> </tr> <tr> <td><b>Choose the file To Upload:</b></td> <td><INPUT NAME="file" TYPE="file"></td> </tr> <tr> <td colspan="2" align="center"> </td> </tr> <tr> <td colspan="2" align="center"><input type="submit" value="Send File"> </td> </tr> <table> </center> </FORM> </BODY> </HTML>
2)uploadandstore.jsp:
<%@ page import="java.io.*" %>
<%@ page import="java.sql.*" %>
<%
String saveFile="";
String contentType = request.getContentType();
if ((contentType != null) && (contentType.indexOf("multipart/form-data") >= 0)) {
DataInputStream in = new DataInputStream(request.getInputStream());
int formDataLength = request.getContentLength();
byte dataBytes[] = new byte[formDataLength];
int byteRead = 0;
int totalBytesRead = 0;
while (totalBytesRead < formDataLength) {
byteRead = in.read(dataBytes, totalBytesRead,formDataLength);
totalBytesRead += byteRead;
}
String file = new String(dataBytes);
saveFile = file.substring(file.indexOf("filename=\"") + 10);
saveFile = saveFile.substring(0, saveFile.indexOf("\n"));
saveFile = saveFile.substring(saveFile.lastIndexOf("\\") + 1,saveFile.indexOf("\""));
int lastIndex = contentType.lastIndexOf("=");
String boundary = contentType.substring(lastIndex + 1,contentType.length());
int pos;
pos = file.indexOf("filename=\"");
pos = file.indexOf("\n", pos) + 1;
pos = file.indexOf("\n", pos) + 1;
pos = file.indexOf("\n", pos) + 1;
int boundaryLocation = file.indexOf(boundary, pos) - 4;
int startPos = ((file.substring(0, pos)).getBytes()).length;
int endPos = ((file.substring(0, boundaryLocation)).getBytes()).length;
saveFile="C:/UploadedFiles/"+saveFile;
File f = new File(saveFile);
FileOutputStream fileOut = new FileOutputStream(f);
fileOut.write(dataBytes, startPos, (endPos - startPos));
fileOut.flush();
fileOut.close();
%><Br><table border="2"><tr><td><b>You have successfully upload the file by the name of:</b>
<% out.println(saveFile);%></td></tr></table>
<%
}
%>
<a href="viewFiles.jsp">View Files</a>
3)viewFiles.jsp:
<%@page import="java.io.*"%>
<table>
<%
File f = new File("C:/UploadedFiles");
File[] files = f.listFiles();
for(int i=0;i<files.length;i++){
String name=files[i].getName();
String path=files[i].getPath();
%>
<tr><td><a href="#" ><%=name%></a></td><td><a href="#"><%=path%></a></td></tr>
<%
}
%>
</table>
If you are facing any programming issue, such as compilation errors or not able to find the code you are looking for.
Ask your questions, our development team will try to give answers to your questions.