Fileupload Example in Struts 2.0

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Fileupload Example using Struts 2.0 the following tool are required for run this example
JDK 1.5
MyEclipse IDE
Server Tomcat 6.0
Struts 2.0 jar file
Directory Structure of FileUpload Example in Struts 2.0 Using MyEclipse IDE

 index.jsp

<%@ taglib prefix="s" uri="/struts-tags" %>
 <html>
 <head>
 <title>File Upload</title> 
  </head> 
 <body> <br/><br/><br/><center>
 <div style="height: 200px;width: 500px;background-color: gray;"><br/><br/>
  <h1>Single File Upload</h1>
  <s:actionerror/>
  <s:form action="upload" enctype="multipart/form-data" method="POST"> 
  <s:textfield name="description" label="File Description"/> 
  <s:file name="attachment" label="Attachment File"/> 
  <s:submit /> 
  </s:form> 
  </div></center> 
  </body>
   </html>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
	xmlns="http://java.sun.com/xml/ns/javaee" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
  
  <filter>
  <filter-name>f1</filter-name>
  <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
  </filter>
  <filter-mapping>
  <filter-name>f1</filter-name>
  <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>

struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="demo" extends="struts-default">
<action name="File">
<result>/index.jsp</result>
</action>
<action name="upload" class="org.r4r.FileUploadAction" method="upload">
<interceptor-ref name="fileUpload">
<param name="maximumSize">500000</param> 
<param name="allowedTypes"> image/gif,image/pjpeg,image/png </param>
</interceptor-ref>
<interceptor-ref name="basicStack"/>
<result name="input">/index.jsp</result>
<result name="success">/success.jsp</result>
</action>
</package>
</struts> 

FileUploadAction.java

package org.r4r;

import java.io.File;
import javax.servlet.ServletContext;
import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.ActionSupport;

public class FileUploadAction extends ActionSupport{
	
	private static final long serialVersionUID = 1L;
	private File attachment; 
	private String attachmentFileName;
	private String attachmentContentType; 
	private String description;
	
	public String execute(){
		return "success";
	}
	
	public String upload() throws Exception { 
		System.out.println(description); 
		ServletContext servletContext = ServletActionContext.getServletContext(); 
		if (attachment != null) {
			String dataDir = servletContext.getRealPath("/images"); 
			File savedFile = new File(dataDir, attachmentFileName); 
			attachment.renameTo(savedFile);
			} 
		return "success";
		}
		
	
	public File getAttachment() {
		return attachment;
	}
	public void setAttachment(File attachment) {
		this.attachment = attachment;
	}
	public String getAttachmentFileName() {
		return attachmentFileName;
	}
	public void setAttachmentFileName(String attachmentFileName) {
		this.attachmentFileName = attachmentFileName;
	}
	public String getAttachmentContentType() {
		return attachmentContentType;
	}
	public void setAttachmentContentType(String attachmentContentType) {
		this.attachmentContentType = attachmentContentType;
	}
	public String getDescription() {
		return description;
	}
	public void setDescription(String description) {
		this.description = description;
	}

}

success.jsp

<%@ taglib prefix="s" uri="/struts-tags" %>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>File Upload</title>
</head>
<body>
You have uploaded the following file.
<hr>
Description : <s:property value="description"/> <br>
ContentType : <s:property value="attachmentContentType"/> <br>
File : <s:property value="attachment"/><br/>
<img alt="ss" src='images/<s:property value="attachmentFileName"/>'> 
<br/>
</body>
</html>

Output




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