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praveena
upload and download all kinds of files in jsp
2 Answer(s)      4 years and 4 months ago
Posted in : Java Beginners


how to upload and download all kinds of files ex: image file,pdf,.xls in jsp.

your help is highly appreciated.

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March 26, 2010 at 12:53 PM


we can upload the all type s of files into oracle 10g but when downloading we need mention the type of type(pdf..).....


March 27, 2010 at 11:24 AM


Hi Friend,

The code we have provided you for uploading will upload all kinds of file.Do modification in download.jsp:

<%@ page import="java.util.*,java.io.*"%>
<%@ page import="java.net.*"%>
<%!
public static String getMimeType(String fileUrl)
throws java.io.IOException, MalformedURLException
{
String type = null;
URL u = new URL(fileUrl);
URLConnection uc = null;
uc = u.openConnection();
type = uc.getContentType();
return type;
}

%>
<%
String file=request.getParameter("f");
File f = new File (file);
String filename=f.getName();
String type=getMimeType("file:"+file);

response.setContentType (type);
response.setHeader ("Content-Disposition", "attachment; filename=\""+filename+"\"");

String name = f.getName().substring(f.getName().lastIndexOf("/") + 1,f.getName().length());
InputStream in = new FileInputStream(f);
ServletOutputStream outs = response.getOutputStream();

int bit = 256;
int i = 0;
try {
while ((bit) >= 0) {
bit = in.read();
outs.write(bit);
}
} catch (IOException ioe) {
ioe.printStackTrace(System.out);
}
outs.flush();
outs.close();
in.close();
%>

Thanks


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