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From John West <jw...@exnihilo.com>
Subject Re: uploading files from a jsr168 portlet
Date Fri, 19 Nov 2004 16:55:29 GMT
err, "...find the file content." Sorry about the typo.


John West wrote:

> It's been a while since I did this, but if I remember correctly you 
> need to parse each part of the request separately to find the find 
> content. It's easier to use a pre-made class, and there are several of 
> them.
>
> I've used both the MultipartRequest class from 
> http://www.servlets.com/cos/ and the FormFile class from Struts 
> successfully; FormFile in a portlet and MultipartRequest in a servlet.
>
> You should be able to use the same ideas in the portlet situation as 
> you would in a servlet so a Google search would give you the exact 
> answer you're looking for.
>
> Good luck.
>
>
> Thiwanka Wimalasuriya wrote:
>
>> dear all,
>>
>> i'm trying to upload a file from a jsr168 portlet. but i'm unable to 
>> save the uploaded file.
>>
>> the jsp in which i upload the file is below
>>
>> --------------------------------------------------------------------------------

>>
>>
>>
>> ........
>> ........
>> <%@ page 
>> import="com.srilogic.portal.portlets.jsr168.example.PersonalizationPortlet" 
>> %>
>>
>>
>> <%
>> RenderRequest pReq = 
>> (RenderRequest)request.getAttribute("javax.portlet.request");
>> RenderResponse rRes = 
>> (RenderResponse)request.getAttribute("javax.portlet.response");
>> PortletPreferences pref = pReq.getPreferences();
>> PortletURL actionURL = rRes.createActionURL();
>> %>
>>
>>
>> <FORM METHOD="POST" ACTION="<%=actionURL.toString()%>" 
>> ENCTYPE="multipart/form-data">
>> <INPUT TYPE="FILE" NAME="myFile" ID="myFile">
>> <INPUT TYPE="SUBMIT" NAME="<%=PersonalizationPortlet.CHANGE_IMAGE%>" 
>> VALUE="changeImage">
>> </FORM>
>>
>>
>> --------------------------------------------------------------------------------

>>
>>
>>
>> this is the way i tryied to get the uploaded file from the portlet 
>> class. the below is the relavent part of my 
>> "PersonalizationPortlet.java"
>>
>> public void processAction(
>>  ActionRequest request,
>>  ActionResponse actionResponse)
>>  throws PortletException, IOException {
>>
>>   //lets try to write the file some where
>>
>>   InputStream in = request.getPortletInputStream();
>>   OutputStream os = new FileOutputStream("c:\\demo.out");
>>
>>      int i = in.read();
>>   while (i != -1) {
>>      os.write(i);
>>      i = in.read();
>>   }
>>    os.close();
>>    in.close();
>>
>>     }
>>   }
>> }
>>
>> --------------------------------------------------------------------------------

>>
>>
>> this will save a emply file to c:\demo.out what ever file i uplod 
>> from the jsp.
>>
>> any help please
>>
>>
>> kind regards
>> -thiwanka
>>
>>
>>
>>
>>
>>  
>>
>

-- 

*John West*
ExNihilo Inc.
2 Charles St.
Providence, RI 02904

Phone 401 621.8277 ext. 25
Fax 401 454.5029
www.exnihilo.com <http://www.exnihilo.com>


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