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<title>FileUpload &#x2013; Fileupload Overview</title>
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<li id="publishDate">Last Published: 24 December 2018</li>
<li class="divider">|</li> <li id="projectVersion">Version: 1.4</li>
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<h2><a name="Using_FileUpload"></a>Using FileUpload</h2>
<p>
Your application should detect whether or not FileUpload should be
invoked, based on the HTTP method and the content type of the request.
</p>
<p>
Assuming that you have decided that FileUpload should be invoked, you
might write the following code to handle a file upload request:
</p>
<div class="source">
<pre>DiskFileItemFactory factory = new DiskFileItemFactory();
// Set upload parameters
factory.setSizeThreshold(MAX_MEMORY_SIZE);
factory.setRepository(new File(TEMP_DIR));
// Create a new file upload handler
ServletFileUpload upload = new ServletFileUpload( factory );
upload.setSizeMax(MAX_UPLOAD_SIZE);
// Parse the request
List&lt;FileItem&gt; items = upload.parseRequest(request);
// Process the uploaded fields
Iterator&lt;FileItem&gt; iter = items.iterator();
while (iter.hasNext()) {
FileItem item = iter.next();
if (item.isFormField()) {
processTextParameter(request, item);
} else {
processFileParameter(request, item);
}
}
</pre></div>
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