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From bajji m <joshua_...@yahoo.com>
Subject File Uploading using cocoon issues. Unable to catch request/session object
Date Fri, 09 Jan 2004 13:56:52 GMT
Hi all,
 
This regarding File Uploading using cocoon framework.
-----------------------------------------------------------------------------
 
I am able to upload the file. I configured everything in web.xml and am able to calling the
Action class and  from the sitemap.xmap entry. I am using cocoon 2.0 version. I am able get
the Fil object from the FilePartFile object from the Request object.
 
I stored that file in local directory successfuly.
 
But now need to pass or forward this File object to other XSP. This XSP will be in remote
PC with Cocoon Framework. 
I need to catch that file object in that XSP and need to store that FIle in that remote PC
in specific folder. 
For that i add this File Object to Session/request  with some name and trying to get that
File object in that XSP page. But ia m getting null File Object in that XSP.
 
My Action class
--------------------
 
import org.apache.avalon.framework.thread.ThreadSafe;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.avalon.framework.logger.AbstractLogEnabled;
import org.apache.cocoon.acting.Action;
import org.apache.cocoon.environment.Redirector;
import org.apache.cocoon.environment.SourceResolver;
import org.apache.cocoon.environment.ObjectModelHelper;
import org.apache.cocoon.environment.Request;
import org.apache.cocoon.environment.Session;
import org.apache.cocoon.components.request.multipart.FilePart;
import org.apache.cocoon.components.request.multipart.FilePartFile;
import java.util.ArrayList;
import org.apache.cocoon.environment.Context;
import java.util.Map;
import java.util.HashMap;

import java.util.Map;
import java.util.Collections;
import java.io.*;
public class FileUpload
  extends AbstractLogEnabled
  implements Action, ThreadSafe
{
    public Map act(Redirector redirector, SourceResolver resolver,
                   Map objectModel, String source, Parameters par)
        throws Exception
    {
 Map sitemapParams = new HashMap();
 Request request = ObjectModelHelper.getRequest(objectModel);
 Context context=  ObjectModelHelper.getContext(objectModel);
 Session session=request.getSession();
 String userName=session.getAttribute("userName").toString();
 System.out.println("Enter into action class. 1 username.."+userName);
 //getting uploaded file object from request
 FilePart filePart = (FilePart) request.get("uploadfile");
 //getting a file object from FilePartFile of FilePart
 File file = ((FilePartFile)filePart).getFile();
 //Creating Directory for user
 String path="E:"+File.separator+"upfiles"+File.separator+"files"+File.separator+userName;
 System.out.println("dyanamic path..."+path);
 File dirCreation=new File(path);
 System.out.println("dir creating...");
 dirCreation.mkdir();
 System.out.println("created..");
 path=path+"\\"+file.getName();
 System.out.println("new fiel name"+path);
 boolean  flag=file.renameTo(new File(path));
 System.out.println("writing.........."+flag);
 System.out.println("..finish");
 //session.setAttribute("uploadedfile",file);
 session.setAttribute("userName",userName);
 String wsdlURL="http://localhost:8080/ssfsoap/services/Service?wsdl";
 request.setAttribute("uploadedfile",file);
 sitemapParams.put("wsdl",wsdlURL);
 System.out.println("FilePart value"+filePart);
 System.out.println("File value"+file);
 return sitemapParams;
    }
}

And Sitemap.xmap:
----------------------------
 
<map:match pattern="body-*/fileUpload.xml">
  <map:act type="file-Upload">
    <map:generate type="wapi">
     <map:parameter name="wsdlURL" type="String" value="{wsdl}"/>
     <map:parameter name="methodName" type="String" value="uploadToTarget" /> 
     <map:parameter name="secure" type="String" value="false" />         
    </map:generate>
   <map:transform src="content/xdocs/services/xsl/fileUploadResult2Html.xsl">
  <map:parameter name="use-request-parameters" value="true"/>
   </map:transform>
  </map:act>
  <map:serialize/>
</map:match>
 
And XSP follows
-----------------------
 
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsp:page language="java" 
    xmlns:xsp="http://apache.org/xsp">
     
<!--    xmlns:session="http://apache.org/xsp/session/2.0" 
    xmlns:xsp-request="http://apache.org/xsp/request/2.0"> -->
<xsp:structure>
   <xsp:include>java.io.File</xsp:include>
   <xsp:include>org.apache.cocoon.environment.*</xsp:include>
   <xsp:include>org.apache.cocoon.components.request.multipart.*</xsp:include>
</xsp:structure>

<uploadToTarget>
 <xsp:logic>
 System.out.println("Enter into xsp 1");
 Request request = ObjectModelHelper.getRequest(objectModel);
 Session session=request.getSession();
 File file =(File)session.getAttribute("uploadedfile");
 System.out.println("Enter into xsp 1"+file);
 //String username=sessio.getAttribute(userName).toString();
 // System.out.println("username"+username);
 // String bb=request.getAttribute("hello");
 // System.out.println("Enter into xsp 1"+bb);
 <status>File...uploaded</status>
 </xsp:logic>
</uploadToTarget>
</xsp:page>
 
So i am getting null file object from session or request in this XSP  . I tryed both combinations.
 
Why i am unable to pass that request or session object into that XSP.
Pls help me
 
Thanks
bajji


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