<![CDATA[
FileUploadServlet.java
/*
* Copyright (c) 2001-2005 Servertec. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* THIS NOTICE MUST NOT BE ALTERED NOR REMOVED.
*
* CopyrightVersion 1.0
*/
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;
import java.io.IOException;
import java.io.File;
import java.io.PrintWriter;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServlet;
import stec.servlet.http.MultiPartForm;
import stec.servlet.http.FileUpload;
public class FileUploadServlet extends HttpServlet
{
private static final int KB = 1024;
private static final int DEFAULT_MAX_CONTENT_LENGTH = 1024 * KB;
private static int max_content_length;
private static String default_charset;
private static String default_language;
public void init(ServletConfig _config) throws ServletException
{
super.init(_config);
String sValue = _config.getInitParameter("max_content_length");
if(sValue == null)
{
max_content_length = DEFAULT_MAX_CONTENT_LENGTH;
}
else
{
try
{
max_content_length = Integer.parseInt(sValue);
}
catch(NumberFormatException ex)
{
max_content_length = DEFAULT_MAX_CONTENT_LENGTH; // [mjg] ignore
}
}
default_charset = _config.getInitParameter("default_charset");
default_language = _config.getInitParameter("default_language");
}
public void doPost(HttpServletRequest _request, HttpServletResponse _response) throws ServletException, IOException
{
String charset;
if(default_charset == null)
{
String accept_charset = _request.getHeader("Accept-Charset");
if(accept_charset == null)
{
charset = null;
}
else
{
int offset = accept_charset.indexOf(',');
if(offset == -1)
{
charset = accept_charset.trim();
}
else
{
charset = accept_charset.substring(0, offset).trim();
}
offset = charset.indexOf(';');
if(offset != -1)
{
charset = charset.substring(0, offset).trim();
}
}
}
else
{
charset = default_charset;
}
String content_type = "text/html";
if(charset != null)
{
content_type = content_type + "; charset=" + charset;
}
_response.setContentType(content_type);
String language;
if(default_language == null)
{
String accept_language = _request.getHeader("Accept-Language");
if(accept_language == null)
{
language = null;
}
else
{
int offset = accept_language.indexOf(',');
if(offset == -1)
{
language = accept_language.trim();
}
else
{
language = accept_language.substring(0, offset).trim();
}
offset = language.indexOf(';');
if(offset != -1)
{
language = language.substring(0, offset).trim();
}
}
}
else
{
language = default_language;
}
if(language != null)
{
_response.setHeader("Content-Language", language);
}
PrintWriter writer = _response.getWriter();
try
{
ServletContext context = getServletContext();
String basedir = context.getRealPath("./samples/upload");
File fh = new File(basedir);
fh.mkdirs();
Hashtable ht = MultiPartForm.parse(_request, fh.getCanonicalPath(), max_content_length, charset);
String key;
Vector v;
Object obj;
String sValue;
byte[] bValue;
FileUpload fileUpload;
writer.println("<html>");
writer.println("<head><title>File Upload Servlet</title></head>");
writer.println("<body>");
writer.println("<h1>File Upload Servlet</h1>");
writer.println("<table border=1>");
writer.println("<tr>");
writer.println("<th>");
writer.println("Key");
writer.println("</th>");
writer.println("<th>");
writer.println("Data");
writer.println("</th>");
writer.println("</tr>");
Enumeration e = ht.keys();
while(e.hasMoreElements())
{
writer.println("<tr>");
key = (String)e.nextElement();
writer.println("<td>");
writer.println(key);
writer.println("</td>");
writer.println("<td>");
v = (Vector)ht.get(key);
for(int i = 0; i < v.size(); i++)
{
obj = v.elementAt(i);
if(obj instanceof FileUpload)
{
fileUpload = (FileUpload)obj;
sValue = fileUpload.getRemoteFilePath();
writer.println("remote file path: [" + (((sValue = fileUpload.getRemoteFilePath()) == null) ? "" : sValue) + "]<br>");
writer.println("local file path: [" + (((sValue = fileUpload.getLocalFilePath()) == null) ? "" : sValue) + "]<br>");
writer.println("content type: [" + (((sValue = fileUpload.getContentType()) == null) ? "" : sValue) + "]<br>");
}
else
{
writer.println((String)obj + "<br>");
}
}
writer.println("</td>");
writer.println("</tr>");
}
writer.println("</table>");
writer.println("</body>");
writer.println("</html>");
}
catch(Exception ex)
{
throw new ServletException(ex);
}
}
public String getServletInfo()
{
return "FileUploadServlet";
}
}
==================================================
fileuploadform.html
<HTML>
<HEAD>
<TITLE>
File Upload
</TITLE>
</HEAD>
<BODY>
<H2>
File Upload Form
</H2>
<FORM ENCTYPE="multipart/form-data" ACTION="/fileupload.html" METHOD=POST>
<TABLE BORDER=2 CELLPADDING=1>
<TR>
<TD>
Name
<INPUT TYPE=TEXT NAME="name">
<br>
Address
<INPUT TYPE=TEXT NAME="address">
<br>
File Name 1
<INPUT TYPE=FILE NAME="file_name_1">
<br>
File Name 2
<INPUT TYPE=FILE NAME="file_name_2">
<p>
<input type="hidden" name="itemid" value="a">
<input type="hidden" name="itemid" value="b">
Name
<input type="text" name="name" value="">
<p>
Password
<input type="password" name="password" value="">
<p>
Options
<input type="CHECKBOX" name="option" value="o1" CHECKED>Option 1
<input type="CHECKBOX" name="option" value="o2">Option 2
<p>
Gender
<input type="RADIO" name="gender" value="m">Male
<input type="RADIO" name="gender" value="f">Female
<input type="RADIO" name="gender" value="o" CHECKED>Other
<p>
Message
<TEXTAREA cols=20 rows=5 name="message"></TEXTAREA>
<p>
Favorites
<SELECT name="profile" MULTIPLE size=5>
<OPTION value="1" SELECTED>Animals
<OPTION value="2">Band
<OPTION value="3" SELECTED>Cars
<OPTION value="4">Clash
<OPTION value="5">Door
<OPTION value="6">Kinks
<OPTION value="7">Led Zeppelin
<OPTION value="8">Pink Floyd
<OPTION value="9">Stones
</SELECT>
</TD>
</TR>
<TR>
<TD>
<CENTER>
<INPUT TYPE="submit" VALUE="OK">
<INPUT TYPE="reset" VALUE="Cancel">
</CENTER>
</TD>
</TR>
</TABLE>
</FORM>
</BODY>
</HTML>
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