Struts2.2.1 file upload example.
Posted on: January 12, 2011 at 12:00 AM
In this example, you will see the use of struts2.2.1 file tag.

Struts2.2.1 file upload example.

In this example, you will see how to upload file in struts2.2.1. Here, we are using a struts2.2.1 file tag  for uploading a file. Struts2.2.1 utilizes the service of File Upload Interceptor to add the support for uploading files in the Struts applications. 

Directory structure of file tag example.

 1- index.html

<html>ADS_TO_REPLACE_1

<head><title>Struts2.2.1_file_Tag_Example</title></head>

<body>

<h1>Struts2.2.1_file_Tag_Example</h1><hr/>ADS_TO_REPLACE_2

<a href="uploadFileAction.action">Upload File Action</a>

</body>

</html>

2-fileupload.jsp ADS_TO_REPLACE_3

<%@taglib uri="/struts-tags" prefix="s" %>

<html>

<head><title>Struts2.2.1_file_Tag_Example</title></head>ADS_TO_REPLACE_4

<body>

<h1>Struts2.2.1_file_Tag_Example</h1><hr/>

<s:form action="fileUploadAction.action" method="post" ADS_TO_REPLACE_5

enctype="multipart/form-data" namespace="/">

<s:file name="Uploadfile" label="Upload file : "> </s:file>

<s:submit label="Submit"></s:submit></s:form>ADS_TO_REPLACE_6

</body>

</html>

 

3-FileUploadAction.java

package roseindia.action;ADS_TO_REPLACE_7

import java.io.File;

import com.opensymphony.xwork2.ActionSupport;

public class FileUploadAction extends ActionSupport {ADS_TO_REPLACE_8

private File Uploadfile;

private String UploadfileFileName;

private String UploadfileContentType;ADS_TO_REPLACE_9

public File getUploadfile() {

return Uploadfile;

}ADS_TO_REPLACE_10

public void setUploadfile(File uploadfile) {

Uploadfile = uploadfile;

}ADS_TO_REPLACE_11

public String getUploadfileFileName() {

return UploadfileFileName;

}ADS_TO_REPLACE_12

public void setUploadfileFileName(String uploadfileFileName) {

UploadfileFileName = uploadfileFileName;

}ADS_TO_REPLACE_13

public String getUploadfileContentType() {

return UploadfileContentType;

}ADS_TO_REPLACE_14

public void setUploadfileContentType(String uploadfileContentType) {

UploadfileContentType = uploadfileContentType;

}ADS_TO_REPLACE_15

public String execute() throws Exception {

return SUCCESS;

}ADS_TO_REPLACE_16

public String uploadForm() {

return NONE;}

}

4_struts.xml

<struts>ADS_TO_REPLACE_17

<constant name="struts.enable.DynamicMethodInvocation" value="false" />

<constant name="struts.devMode" value="false"/>

<constant name="struts.custom.i18n.resources" value="struts-messages" />ADS_TO_REPLACE_18

<package name="roseindia" extends="struts-default" namespace="/">

<action name="uploadFileAction" class="roseindia.action.FileUploadAction" method="uploadForm">

<result name="none">jsp/fileupload.jsp</result>ADS_TO_REPLACE_19

</action>

<action name="fileUploadAction" class="roseindia.action.FileUploadAction">

<interceptor-ref name="i18n"/>       ADS_TO_REPLACE_20

<interceptor-ref name="fileUpload">

<param name="allowedTypes">text/html</param>

<param name="maximumSize">200</param>ADS_TO_REPLACE_21

</interceptor-ref>

<interceptor-ref name="params">

<param name="excludeParams">dojo\..*,^struts\..*</param>ADS_TO_REPLACE_22

</interceptor-ref>

<interceptor-ref name="validation" >

</interceptor-ref>ADS_TO_REPLACE_23

<interceptor-ref name="workflow">

<param name="excludeMethods">input,back,cancel,browse</param>

</interceptor-ref>ADS_TO_REPLACE_24

<result name="success">jsp/fileUploadSuccess.jsp</result>

<result name="input">jsp/fileupload.jsp</result>

</action>ADS_TO_REPLACE_25

</package>

</struts>

5_fileUploadSuccess.jsp

<%@taglib uri="/struts-tags" prefix="s" %>

<html>ADS_TO_REPLACE_26

<head><title>Struts2.2.1_file_Tag_Example</title></head>

<body >

<h1>Struts2.2.1_file_Tag_Example</h1><hr/><h4>ADS_TO_REPLACE_27

File path :</h4> <s:property value="Uploadfile" /><br/>

<h4>File name :</h4> <s:property value="UploadfileFileName"/><br/>

<h4>File type :</h4><s:property value="UploadfileContentType"/>ADS_TO_REPLACE_28

</body>

</html>

6_struts-messages.properties

struts.messages.error.uploading - File uploading failed

struts.messages.error.file.too.large - Given file is too largeADS_TO_REPLACE_29

struts.messages.error.content.type.not.allowed- Please enter contentType file(HTML,txt,Java)

struts.messages.error.file.extension.not.allowed - file extension is not allow

indexJsp.gif

ADS_TO_REPLACE_30

fileUploadForm.gif

SelectRightFormatFile.gifADS_TO_REPLACE_31

UploadedFileInfo.gif

ADS_TO_REPLACE_32

Download Select Source Code


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