[opencms-dev] Uploading a Files from RFS to VFS

Fri Oct 8 11:08:03 CEST 2010

Hi,

Thanks a lot for your response,

I already tried Upload feature with web form but i am getting the same kind
of error as mentioned in below thread. 
http://old.nabble.com/Alkacon-webform-1.3.1---no-upload-td24606273.html#a24606273
Here  ,They have provided some solution but I cant do that with my
knowledge.  As per your first reply i have tried and I am able to upload
files in to VFS but the files are getting uploaded in /sites/default/  and
not in my desired location 
                       upload.setParamUploadFolder ("sites/default/p1/"); 

Any way i got some progress ,

Thanks a lot Jäger

Mario Jäger wrote:
> 
> 
> 
> Hi,
> 
> before I try to solve your problem, I want to know, what the target is you
> want to reach. Do you want to upload local files in your OpenCms? I ask,
> because in your first code example you tried to upload the local file
> "c:\img.jpg".
> In this case, you can use the "Upload" button in the OpenCms workplace. Or
> do you want to offer, that frontend users can select a file on the local
> hard drive, which will be uploaded to the OpenCms server? In this case,
> you can use
> the Alkacon OAMP Webform Module, you can download here:
> http://www.alkacon.com/en/modules/downloads/alkacon_oamp_webform_1.3.1.html.
> How to install and how to use that module, you find in the root directory
> of the downloaded module
> in "Alkacon_OAMP_Webform.pdf".
> 
> -- 
> Kind Regards,
> Mario.
> 
> -------------------
> Mario Jäger
> 
> Alkacon Software GmbH  - The OpenCms Experts
> http://www.alkacon.com - http://www.opencms.org
> 
> 
> Am 07.10.2010 12:18, schrieb Madhu Yadav:
>> <html>
>> <head>
>> </head>
>> <body>
>> <form action="upload.jsp"  enctype="multipart/form-data" method="post">
>> <input type="file" name="filename" />
>> <input type="submit" value="ok" />
>> </form>
>> </body>
>> </html>
>>
>> Upload jsp Page
>>
>> <%
>> CmsJspActionElement cms = new CmsJspActionElement(pageContext, request,
>> response);
>> CmsNewResourceUpload upload = new CmsNewResourceUpload(cms);
>> String str=request.getParameter("filename");
>> upload.setParamUploadFile (str) ;
>>
>> System.out.println("UpLoadFile"+ upload.getParamUploadFile());//I am
>> getting
>> Null Here
>>
>> upload.setParamUploadFolder ("/sites/default/p1/");
>> upload.setParamNewResourceName ("titi.jpg") ;
>> upload.setParamUploadError ("Error while Uploading") ;
>> upload.setParamUnzipFile ("false") ;
>> String str1=upload.getParamUploadFolder() ;
>> System.out.println(str1);
>> upload.actionUpload () ;
>> %>
>>
>> I am unable to Use request Object with "Post" action I f i use "get" i am
>> getting null pointer Exception.
>>
>> Please Helpme as i am completely new to OpenCms
>>
>>
>>
>> Mario Jäger wrote:
>>>
>>>
>>> Hi,
>>>
>>> To upload a file on a server, you need a form (where the user selects a
>>> file to upload with an<input ... type="file">   element) starting with
>>> this
>>> construct for example:
>>>
>>> <form action="upload.jsp" enctype="multipart/form-data" method="post">
>>>
>>> ACTION gives the information to which address/file the data shall be
>>> sent
>>> to. ENCTYPE determines how the form data is encoded, you have to use
>>> "multipart/form-data" here. METHOD specifies how the data shall be
>>> communicated.
>>> If you use "POST" here for example, than the browser sends a special
>>> POST
>>> request with the data to the server.
>>>
>>> When the user submits the form, then the jsp is called, which is set in
>>> ACTION and the file is sent of the browser to the server. The server
>>> saves
>>> the file in a temporary directory then. Then, the data have to be
>>> handled
>>> in
>>> the called jsp.
>>>
>>> But, you use no form here. And that is why, there is no MultiPartRequest
>>> and that is why, you get a NullpointerException.
>>>
>>>
>>> You also can read files in the RFS with the OpenCms method
>>> org.opencms.util.CmsFileUtil.readFile() or with the Java own
>>> functionalities to read files. Then you get the content of a file in the
>>> RFS and you can handle that content
>>> to create files in the VFS.
>>>
>>> -- 
>>> Kind Regards,
>>> Mario.
>>>
>>> -------------------
>>> Mario Jäger
>>>
>>> Alkacon Software GmbH  - The OpenCms Experts
>>> http://www.alkacon.com - http://www.opencms.org
>>>
>>>
>>> Am 07.10.2010 06:54, schrieb Madhu Yadav:
>>>> This is My code
>>>>
>>>> <%@ page import="org.opencms.workplace.explorer.*" %>
>>>> <%@ page import="org.opencms.jsp.CmsJspActionElement" %>
>>>> <%@ page import="javax.servlet.http.*" %>
>>>>
>>>>
>>>> <%
>>>> CmsJspActionElement cms = new CmsJspActionElement(pageContext, request,
>>>> response);
>>>> CmsNewResourceUpload upload = new CmsNewResourceUpload(cms);
>>>> upload.setParamUploadFile ("c://img.jpg") ;
>>>> System.out.println("UpLoad File"+ upload.getParamUploadFile());
>>>> upload.setParamUploadFolder ("/sites/default/p1/");
>>>> upload.setParamNewResourceName ("titi.jpg") ;
>>>> upload.setParamUploadError ("Error while Uploading") ;
>>>> upload.setParamUnzipFile ("false") ;
>>>> String str=upload.getParamUploadFolder() ;
>>>> System.out.println(str);
>>>> upload.actionUpload () ;
>>>> %>
>>>>
>>>>
>>>>
>>>> But i am getting a NullpointerException at
>>>> upload.actionUpload();
>>>>
>>>> Please i Need help.............
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> 
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