📄 largeupload.jsp
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<%@ page language="java" import="javazoom.upload.*,java.util.*,java.io.*" %>
<%@ page errorPage="ExceptionHandler.jsp" %>
<% String directory = "c:/uploads"; %>
<% String tmpdirectory = "c:/uploads/tmp"; %>
<% boolean createsubfolders = true; %>
<% boolean allowresume = true; %>
<% boolean allowoverwrite = true; %>
<% String encoding = "ISO-8859-1"; %>
<% boolean keepalive = false; %>
<jsp:useBean id="upBean" scope="page" class="javazoom.upload.UploadBean" >
<jsp:setProperty name="upBean" property="folderstore" value="<%= directory %>" />
<jsp:setProperty name="upBean" property="parser" value="<%= MultipartFormDataRequest.CFUPARSER %>"/>
<jsp:setProperty name="upBean" property="parsertmpdir" value="<%= tmpdirectory %>"/>
<jsp:setProperty name="upBean" property="filesizelimit" value="8589934592"/>
<jsp:setProperty name="upBean" property="overwrite" value="<%= allowoverwrite %>"/>
<jsp:setProperty name="upBean" property="dump" value="true"/>
</jsp:useBean>
<%
//request.setCharacterEncoding(encoding);
//response.setContentType("text/html; charset="+encoding);
String method = request.getMethod();
// Head processing to support resume and overwrite features.
if (method.equalsIgnoreCase("head"))
{
String filename = request.getHeader("relativefilename");
if (filename == null) filename = request.getHeader("filename");
if (filename!=null)
{
if (keepalive == false) response.setHeader("Connection","close");
String account = request.getHeader("account");
if (account == null) account="";
else if (!account.startsWith("/")) account = "/"+account;
File fhead = new File(directory+account+"/"+filename);
if (fhead.exists())
{
response.setHeader("size", String.valueOf(fhead.length()));
String checksum = request.getHeader("checksum");
if ((checksum != null) && (checksum.equalsIgnoreCase("crc")))
{
long crc = upBean.computeCRC32(fhead,-1);
if (crc != -1) response.setHeader("checksum", String.valueOf(crc));
}
else if ((checksum != null) && (checksum.equalsIgnoreCase("md5")))
{
String md5 = upBean.hexDump(upBean.computeMD5(fhead,-1)).toLowerCase();
if ((md5 != null) && (!md5.equals(""))) response.setHeader("checksum", md5);
}
}
else response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
}
%>
<html>
<head>
<title>Samples : Large Upload + jClientUpload Applet support</title>
<style TYPE="text/css">
<!--
.style1 {
font-size: 12px;
font-family: Verdana;
}
-->
</style>
<meta http-equiv="Content-Type" content="text/html; charset=<%= encoding %>">
</head>
<body>
<ul class="style1">
<%
if (MultipartFormDataRequest.isMultipartFormData(request))
{
// Parse multipart HTTP POST request.
MultipartFormDataRequest mrequest = null;
try
{
mrequest = new MultipartFormDataRequest(request,null,-1,MultipartFormDataRequest.CFUPARSER,encoding,allowresume);
} catch (Exception e)
{
// Cancel current upload (e.g. Stop transfer)
// Only if allowresume = false
}
String todo = null;
if (mrequest != null) todo = mrequest.getParameter("todo");
if ( (todo != null) && (todo.equalsIgnoreCase("upload")) )
{
String account = mrequest.getParameter("account");
if (account == null) account="";
else if (!account.startsWith("/")) account = "/"+account;
upBean.setFolderstore(directory+account);
Hashtable files = mrequest.getFiles();
if ( (files != null) && (!files.isEmpty()) )
{
UploadFile file = (UploadFile) files.get("uploadfile");
if (file != null) out.println("<li>Form field : uploadfile"+"<BR> Uploaded file : "+file.getFileName()+" ("+file.getFileSize()+" bytes)"+"<BR> Content Type : "+file.getContentType());
// Folders and subfolders creation support.
String relative = mrequest.getParameter("relativefilename");
if ((createsubfolders == true) && (relative != null))
{
int inda=relative.length();
int indb=file.getFileName().length();
if (inda > indb)
{
String subfolder = relative.substring(0,(inda-indb)-1);
subfolder = subfolder.replace('\\','/').replace('/',java.io.File.separatorChar);
upBean.setFolderstore(directory+account+java.io.File.separator+subfolder);
}
}
if (keepalive == false) response.setHeader("Connection","close");
// Chunks recomposion support.
String chunkidStr = mrequest.getParameter("chunkid");
String chunkamountStr = mrequest.getParameter("chunkamount");
String chunkbaseStr = mrequest.getParameter("chunkbase");
if ((chunkidStr != null) && (chunkamountStr != null) && (chunkbaseStr != null))
{
// Always overwrite chunks.
upBean.setOverwrite(true);
upBean.store(mrequest, "uploadfile");
upBean.setOverwrite(allowoverwrite);
int chunkid = Integer.parseInt(chunkidStr);
int chunkamount = Integer.parseInt(chunkamountStr);
if (chunkid == chunkamount)
{
// recompose file.
String fname = upBean.getFolderstore()+java.io.File.separator+chunkbaseStr;
File fread = new File(fname);
if (fread.canRead() && (upBean.getOverwrite()==false)) fname = upBean.loadOverwriteFilter().process(fname);
FileOutputStream fout = new FileOutputStream(fname);
byte[] buffer = new byte[4096];
for (int c=1;c<=chunkamount;c++)
{
File filein = new File(upBean.getFolderstore()+java.io.File.separator+chunkbaseStr+"."+c);
FileInputStream fin = new FileInputStream(filein);
int read = -1;
while ((read = fin.read(buffer)) > 0) fout.write(buffer,0,read);
fin.close();
filein.delete();
}
fout.close();
}
}
else upBean.store(mrequest, "uploadfile");
upBean.setFolderstore(directory+account);
}
else
{
String emptydirectory = mrequest.getParameter("emptydirectory");
if ((emptydirectory != null) && (!emptydirectory.equals("")))
{
File dir = new File(directory+account+"/"+emptydirectory);
dir.mkdirs();
}
out.println("<li>No uploaded files");
}
}
else out.println("<BR> todo="+todo);
}
%>
</ul>
<form method="post" action="LargeUpload.jsp" name="upform" enctype="multipart/form-data">
<table width="60%" border="0" cellspacing="1" cellpadding="1" align="center" class="style1">
<tr>
<td align="left"><b>Select a file to upload :</b></td>
</tr>
<tr>
<td align="left">
<input type="hidden" name="todo" value="upload">
<input type="file" name="uploadfile" size="50">
</td>
</tr>
<tr>
<td align="left">
<input type="submit" name="Submit" value="Upload">
<input type="reset" name="Reset" value="Cancel">
</td>
</tr>
</table>
<br>
<br>
<table border="0" cellspacing="1" cellpadding="0" align="center">
<tr>
<td bgcolor="#666666">
<table width="100%" border="0" cellspacing="1" cellpadding="0" align="center" class="style1">
<tr>
<td bgcolor="#FFFFFF"><b><font color="#0000FF">
HTML tags used in this form : </font></b></td>
</tr>
<tr>
<td bgcolor="#FFFFFF"> <<b>form</b>
<b>method</b>="<b><font color="#FF0000">post</font></b>"
<b>action</b>="<b><font color="#FF0000">LargeUpload.jsp</font></b>"
name="upload" <b>enctype</b>="<b><font color="#FF0000">multipart/form-data</font></b>"></td>
</tr>
<tr>
<td bgcolor="#FFFFFF"> <<b>input</b>
<b>type</b>="<b><font color="#FF0000">file</font></b>"
<b>name</b>="<font color="#FF0000"><b>uploadfile</b></font>"
size="50"></td>
</tr>
</table>
</td>
</tr>
</table>
<p> </p>
<p> </p>
<p align="center"> </p>
<p align="center"> </p>
<p align="center"><font size="-1" face="Courier New, Courier, mono">Copyright
© <a href="http://www.javazoom.net" target="_blank">JavaZOOM</a> 1999-2006</font></p>
</form>
</body>
</html>
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