package jPDFNotesSamples.upload;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
public class UploadServlet extends HttpServlet
{
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
// Initialize response
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
// Check that we have a file upload request
boolean isMultipart = ServletFileUpload.isMultipartContent(request);
if (isMultipart == false)
{
echoMessage ("POST is not a Multipart request", out);
return;
}
// Create a factory for disk-based file items
DiskFileItemFactory factory = new DiskFileItemFactory();
factory.setSizeThreshold(65536);
factory.setRepository(new File("c:\\temp"));
Enumeration paramNames = request.getParameterNames();
while(paramNames.hasMoreElements())
{
String paramName = (String)paramNames.nextElement();
String[] paramValues = request.getParameterValues(paramName);
System.out.println (paramValues);
}
// Create a new file upload handler
ServletFileUpload upload = new ServletFileUpload(factory);
// Parse the request /* FileItem */
try
{
// Process the uploaded items
List items = upload.parseRequest(request);
Iterator iter = items.iterator();
while (iter.hasNext())
{
FileItem item = (FileItem) iter.next();
if (item.isFormField() == false)
{
String fileName = item.getName();
File uploadedFile = new File("c:\\tmp\\" + fileName);
item.write(uploadedFile);
break;
}
}
}
catch (Exception e)
{
echoMessage("Error: " + e.getMessage(), out);
e.printStackTrace();
}
// Close the response writer
out.close();
}
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
{
resp.setContentType("text/html;charset=UTF-8");
PrintWriter out = resp.getWriter();
out.println("");
out.println("");
out.println("Error");
out.println("");
out.println("");
out.println("This servlet only handles file uploads!
");
out.println("");
out.println("");
out.close();
}
private void echoMessage (String message, PrintWriter out) throws IOException
{
out.println("");
out.println("");
out.println("" + message + "");
out.println("");
out.println("");
out.println("" + message + "
");
out.println("");
out.println("");
}
}