/*
* @(#)AttachmentServlet.java 1.3 02/12/20
*
* Copyright 2001-2002 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND
* ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES OR LIABILITIES
* SUFFERED BY LICENSEE AS A RESULT OF OR RELATING TO USE, MODIFICATION
* OR DISTRIBUTION OF THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
* SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
* FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS
* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that Software is not designed, licensed or intended
* for use in the design, construction, operation or maintenance of any
* nuclear facility.
*
*/
package demo;
import java.io.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
* This servlet gets the input stream for a given msg part and
* pushes it out to the browser with the correct content type.
* Used to display attachments and relies on the browser's
* content handling capabilities.
*/
public class AttachmentServlet extends HttpServlet {
/**
* This method handles the GET requests from the client.
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
HttpSession session = request.getSession();
ServletOutputStream out = response.getOutputStream();
int msgNum = Integer.parseInt(request.getParameter("message"));
int partNum = Integer.parseInt(request.getParameter("part"));
MailUserBean mailuser = (MailUserBean)session.getAttribute("mailuser");
// check to be sure we're still logged in
if (mailuser.isLoggedIn()) {
try {
Message msg = mailuser.getFolder().getMessage(msgNum);
Multipart multipart = (Multipart)msg.getContent();
Part part = multipart.getBodyPart(partNum);
String sct = part.getContentType();
if (sct == null) {
out.println("invalid part");
return;
}
ContentType ct = new ContentType(sct);
response.setContentType(ct.getBaseType());
InputStream is = part.getInputStream();
int i;
while ((i = is.read()) != -1)
out.write(i);
out.flush();
out.close();
} catch (MessagingException ex) {
throw new ServletException(ex.getMessage());
}
} else {
getServletConfig().getServletContext().
getRequestDispatcher("/index.html").
forward(request, response);
}
}
}
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