Uploading a file - Revision history

George2 at 09:04, 29 August 2023

2023-08-29T09:04:14Z

George2 at 09:03, 29 August 2023

2023-08-29T09:03:02Z

George2 at 09:01, 29 August 2023

2023-08-29T09:01:49Z

George2: Created page with "'''Reference:''' https://www.tutorialspoint.com/jsp/jsp_file_uploading.htm"

2023-08-29T09:01:21Z

Created page with "'''Reference:''' https://www.tutorialspoint.com/jsp/jsp_file_uploading.htm"

New page

'''Reference:''' https://www.tutorialspoint.com/jsp/jsp_file_uploading.htm

← Older revision		Revision as of 09:04, 29 August 2023
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	</html>		</html>
		+	</source>
		+
		+	The target Servlet
		+	<source lang="java">
		+	<%@ page import = "java.io.,java.util., javax.servlet.*" %>
		+	<%@ page import = "javax.servlet.http.*" %>
		+	<%@ page import = "org.apache.commons.fileupload.*" %>
		+	<%@ page import = "org.apache.commons.fileupload.disk.*" %>
		+	<%@ page import = "org.apache.commons.fileupload.servlet.*" %>
		+	<%@ page import = "org.apache.commons.io.output.*" %>
		+
		+	<%
		+	File file ;
		+	int maxFileSize = 5000 * 1024;
		+	int maxMemSize = 5000 * 1024;
		+	ServletContext context = pageContext.getServletContext();
		+	String filePath = context.getInitParameter("file-upload");
		+
		+	// Verify the content type
		+	String contentType = request.getContentType();
		+
		+	if ((contentType.indexOf("multipart/form-data") >= 0)) {
		+	DiskFileItemFactory factory = new DiskFileItemFactory();
		+	// maximum size that will be stored in memory
		+	factory.setSizeThreshold(maxMemSize);
		+
		+	// Location to save data that is larger than maxMemSize.
		+	factory.setRepository(new File("c:\\temp"));
		+
		+	// Create a new file upload handler
		+	ServletFileUpload upload = new ServletFileUpload(factory);
		+
		+	// maximum file size to be uploaded.
		+	upload.setSizeMax( maxFileSize );
		+
		+	try {
		+	// Parse the request to get file items.
		+	List fileItems = upload.parseRequest(request);
		+
		+	// Process the uploaded file items
		+	Iterator i = fileItems.iterator();
		+
		+	out.println("<html>");
		+	out.println("<head>");
		+	out.println("<title>JSP File upload</title>");
		+	out.println("</head>");
		+	out.println("<body>");
		+
		+	while ( i.hasNext () ) {
		+	FileItem fi = (FileItem)i.next();
		+	if ( !fi.isFormField () ) {
		+	// Get the uploaded file parameters
		+	String fieldName = fi.getFieldName();
		+	String fileName = fi.getName();
		+	boolean isInMemory = fi.isInMemory();
		+	long sizeInBytes = fi.getSize();
		+
		+	// Write the file
		+	if( fileName.lastIndexOf("\\") >= 0 ) {
		+	file = new File( filePath +
		+	fileName.substring( fileName.lastIndexOf("\\"))) ;
		+	} else {
		+	file = new File( filePath +
		+	fileName.substring(fileName.lastIndexOf("\\")+1)) ;
		+	}
		+	fi.write( file ) ;
		+	out.println("Uploaded Filename: " + filePath +
		+	fileName + "<br>");
		+	}
		+	}
		+	out.println("</body>");
		+	out.println("</html>");
		+	} catch(Exception ex) {
		+	System.out.println(ex);
		+	}
		+	} else {
		+	out.println("<html>");
		+	out.println("<head>");
		+	out.println("<title>Servlet upload</title>");
		+	out.println("</head>");
		+	out.println("<body>");
		+	out.println("<p>No file uploaded</p>");
		+	out.println("</body>");
		+	out.println("</html>");
		+	}
		+	%>
	</source>		</source>

@@ Line 1: / Line 1: @@
 '''Reference:'''  https://www.tutorialspoint.com/jsp/jsp_file_uploading.htm<br>
 Needs commons-fileupload.x.x.jar and commons-io-x.x.jar    download from https://commons.apache.org/fileupload/ and  https://commons.apache.org/io/
-Make sure the target directories are created
+Make sure the target directories are created<br>

← Older revision		Revision as of 09:01, 29 August 2023
Line 1:		Line 1:
−	'''Reference:''' https://www.tutorialspoint.com/jsp/jsp_file_uploading.htm	+	'''Reference:''' https://www.tutorialspoint.com/jsp/jsp_file_uploading.htm<br>
		+	Needs commons-fileupload.x.x.jar and commons-io-x.x.jar download from https://commons.apache.org/fileupload/ and https://commons.apache.org/io/
		+	Make sure the target directories are created