hello friends i am creating a liferay struts portlet in liferay 5.2.4. i am creating a application that can download and upload a file.i have created required jsp,action and struts-config.it works when i upload a file but it does not work when i click on download link, i am posting my code here if you find any error then please let me know.
thank you.
1st the view.jsp page will be loaded.
*******struts-config********
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN" "http://jakarta.apache.org/struts/dtds/struts-config_1_2.dtd">
<struts-config>
<form-beans>
<form-bean name="FileUploadAndSave" type="com.sample.form.StrutsUploadAndSaveForm"/>
</form-beans>
<!-- Action Mappings -->
<action-mappings>
<action path="/FileUpload/view" forward="/view.jsp"/>
<action path="/FileUpload/FileUploadAndSave" type="com.sample.action.StrutsUploadAndSaveAction" name="FileUploadAndSave" scope="request" input="/view.jsp">
<forward name="success" path="/downloaduploadedfile.jsp" redirect="true"/>
</action>
</action-mappings>
<!-- Message Resources -->
<message-resources parameter="content.test.Language" />
</struts-config>
**********StrutsUploadAndSaveAction.java*************
package com.sample.action;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.lang.String;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.upload.FormFile;
import com.sample.form.StrutsUploadAndSaveForm;
import java.io.*;
public class StrutsUploadAndSaveAction extends Action
{
public ActionForward execute(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) throws Exception{
StrutsUploadAndSaveForm myForm = (StrutsUploadAndSaveForm)form;
// Process the FormFile
FormFile myFile = myForm.getTheFile();
String contentType = myFile.getContentType();
//Get the file name
String fileName = myFile.getFileName();
//int fileSize = myFile.getFileSize();
byte[] fileData = myFile.getFileData();
String f = fileData.toString();
//Get the servers upload directory real path name
String filePath = "/opt/Portique/liferay-portal-5.2.4/tomcat-6.0.18/webapps/File_prog-portlet/demo/";
System.out.println("Path ============="+filePath);
/* Save file on the server */
if(!fileName.equals("")){
System.out.println("Server path:" +filePath);
//Create file
File fileToCreate = new File(filePath, fileName);
//If file does not exists create file
if(!fileToCreate.exists()){
FileOutputStream fileOutStream = new FileOutputStream(fileToCreate);
fileOutStream.write(myFile.getFileData());
fileOutStream.flush();
fileOutStream.close();
}
}
//Set file name to the request object
request.setAttribute("fileName",fileName);
return mapping.findForward("success");
}
}
********FileUploadAndSave.jsp**************************
<%@ taglib uri="http://java.sun.com/portlet" prefix="portlet" %>
<%@ taglib uri="http://portals.apache.org/bridges/struts/tags-portlet-html" prefix="html" %>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean" %>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic" %>
<%@ taglib uri="http://struts.apache.org/tags-nested" prefix="nested" %>
<%@ taglib uri="http://struts.apache.org/tags-tiles" prefix="tiles" %>
<html:html locale="true">
<head>
<title>Struts File Upload and Save Example</title>
<html:base/>
</head>
<body bgcolor="white">
<html:form action="/FileUploadAndSave" method="post" enctype="multipart/form-data">
<table>
<tr>
<td align="center" colspan="2">
<font size="4">File Upload on Server</font>
</tr>
<tr>
<td align="left" colspan="2">
<font color="red"><html:errors/></font>
</tr>
<tr>
<td align="right">
File Name
</td>
<td align="left">
<html:file property="theFile"/>
</td>
</tr>
<tr>
<td align="center" colspan="2">
<html:submit>Upload File</html:submit>
</td>
</tr>
</table>
</html:form>
</body>
</html:html>
***************downloaduploadedfile.jsp**************************
<%@ page import="javax.servlet.http.HttpServletRequest" %>
<%@ page import="javax.servlet.http.HttpServletResponse" %>
<%@ page import="java.io.*" %>
<html>
<head>
<title>Success</title>
</head>
<body>
<%
String fileName=null;
try{
System.out.println("Inside try");
fileName=(String)request.getAttribute("fileName");
System.out.println("After getting file name"+fileName);
}
catch(Exception e)
{
System.out.println("Inside Exception");
}
//String filepath = "/opt/demo/";
//String serverpath = "/opt/Portique/liferay-portal-5.2.4/tomcat-6.0.18/webapps/File_prog-portlet/demo/";
//String filepath = serverpath;
File filepath = new File("/opt/Portique/liferay-portal-5.2.4/tomcat-6.0.18/webapps/File_prog-portlet/demo/");
//System.out.println("server path == == == ="+serverpath);
//System.out.println("serverpath===="+serverfilepath);
%>
<p align="center"><font size="5" color="#000080">File Successfully Received</font></p>
<p align="center"><a href="<%=filepath%>">Click here to download</a></p>
</body>
</html>
***********view.jsp******************
<%@ taglib uri="http://java.sun.com/portlet_2_0" prefix="portlet" %>
<%@ taglib uri="http://portals.apache.org/bridges/struts/tags-portlet-html" prefix="html" %>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean" %>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic" %>
<%@ taglib uri="http://struts.apache.org/tags-nested" prefix="nested" %>
<%@ taglib uri="http://struts.apache.org/tags-tiles" prefix="tiles" %>
<portlet:defineObjects />
<html:html locale="true">
<head>
<title>Struts File Upload and Save Example</title>
<html:base/>
</head>
<body bgcolor="white">
<html:form action="/FileUpload/FileUploadAndSave" method="post" enctype="multipart/form-data">
<table>
<tr>
<td align="center" colspan="2">
<font size="4">File Upload on Server</font>
</tr>
<tr>
<td align="left" colspan="2">
<font color="red"><html:errors/></font>
</tr>
<tr>
<td align="right">
File Name
</td>
<td align="left">
<html:file property="theFile"/>
</td>
</tr>
<tr>
<td align="center" colspan="2">
<html:submit>Upload File</html:submit>
</td>
</tr>
</table>
</html:form>
</body>
</html:html>
***************StrutsUploadAndSaveForm.java************************
package com.sample.form;
import org.apache.struts.upload.FormFile;
import org.apache.struts.action.ActionForm;
public class StrutsUploadAndSaveForm extends ActionForm
{
private static final long serialVersionUID = 1L;
private FormFile theFile;
/**
* @return Returns the theFile.
*/
public FormFile getTheFile() {
return theFile;
}
/**
* @param theFile The FormFile to set.
*/
public void setTheFile(FormFile theFile) {
this.theFile = theFile;
}
}
************************************
when i upload a file it successfully upload file to given location but when i click on downloan link it redirect to view.jsp page without downloading a file.
please if you find something wrong then please let me know.
thank you....
