meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
html>
body>
form method="POST" enctype="multipart/form-data" action="traditionalapi.jsp">
File to upload: input type="file" name="file" size="40">br/>
input type="submit" value="Press"> to upload the file!
/form>
/body>
/html>

%@page contentType="text/html;charset=UTF-8" pageEncoding="UTF-8" language="java"%>
%@page import="java.io.File"%>
%@page import="java.util.List"%>
%@page import="org.apache.commons.fileupload.*"%>
%@page import="org.apache.commons.fileupload.disk.DiskFileItemFactory"%>
%@page import="org.apache.commons.fileupload.servlet.ServletFileUpload"%>
%
request.setCharacterEncoding("UTF-8");
// file less than 10kb will be store in memory, otherwise in file system.
final int threshold = 10240;
final File tmpDir = new File(getServletContext().getRealPath("/") + "fileupload" + File.separator + "tmp");
final int maxRequestSize = 1024 * 1024 * 4; // 4MB
// Check that we have a file upload request
if(ServletFileUpload.isMultipartContent(request))
{
// Create a factory for disk-based file items.
FileItemFactory factory = new DiskFileItemFactory(threshold, tmpDir);

// Create a new file upload handler
ServletFileUpload upload = new ServletFileUpload(factory);
// Set overall request size constraint.
upload.setSizeMax(maxRequestSize);
ListFileItem> items = upload.parseRequest(request); // FileUploadException
for(FileItem item : items)
{
if(item.isFormField()) //regular form field
{
String name = item.getFieldName();
String value = item.getString();
%>
h1>%=name%> --> %=value%>/h1>
%
}
else
{ //file upload
String fieldName = item.getFieldName();
String fileName = item.getName();
File uploadedFile = new File(getServletContext().getRealPath("/") +
"fileupload" + File.separator + fieldName + "_" + fileName);
item.write(uploadedFile);
%>
h1>upload file %=uploadedFile.getName()%> done!/h1>
%
}
}
}
%>

meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
html>
body>
form method="POST" enctype="multipart/form-data" action="streamingapi.jsp">
File to upload: input type="file" name="file" size="40">br/>
input type="submit" value="Press"> to upload the file!
/form>
/body>
/html>

%@page contentType="text/html;charset=UTF-8" pageEncoding="UTF-8" language="java"%>
%@page import="java.io.*"%>
%@page import="java.util.List"%>
%@page import="org.apache.commons.fileupload.*"%>
%@page import="org.apache.commons.fileupload.util.Streams"%>
%@page import="org.apache.commons.fileupload.servlet.ServletFileUpload"%>
%
request.setCharacterEncoding("UTF-8");
// Check that we have a file upload request
if(ServletFileUpload.isMultipartContent(request))
{
// Create a new file upload handler
ServletFileUpload upload = new ServletFileUpload();

// Parse the request
FileItemIterator iter = upload.getItemIterator(request);
while(iter.hasNext())
{
FileItemStream item = iter.next();
String fieldName = item.getFieldName();
InputStream is = item.openStream();
if(item.isFormField()) //regular form field
{
%>
!-- read a FileItemStream's content into a string. -->
h1>%=fieldName%> --> %=Streams.asString(is)%>/h1>
%
}
else
{ //file upload
String fileName = item.getName();
File uploadedFile = new File(getServletContext().getRealPath("/") +
"fileupload" + File.separator + fieldName + "_" + fileName);
OutputStream os = new FileOutputStream(uploadedFile);
// write file to disk and close outputstream.
Streams.copy(is, os, true);
%>
h1>upload file %=uploadedFile.getName()%> done!/h1>
%
}
}
}
%>