Re: Importing CSV into a WO application

Dev WO <[email protected]>
Newsgroups gmane.comp.web.webobjects.devel
Message-ID <[email protected]>
Hello Chuck,
I'll have a look at it too:)
Hopefully I'll be choosing which direction to go by tomorrow:)

Thanks,

Xavier



> Hi Xavier,
>
> On Oct 23, 2006, at 3:30 AM, Dev WO wrote:
>> Hi,
>> searching the list I have found many post about excel export and  
>> things like that. But I'm actually looking for a way to import CSV  
>> into a WO application.
>>
>> Is there anything already done to handle importing of CSV?
>>
>> Like providing a NSArray of column name, an editing context and an  
>> eo to match the value to?
>
> If you look in GVCFoundation, there is a DelimitedStringTokenizer  
> (ignore the incorrect class comments that someone copied and pasted  
> from FixedWidthStringTokenizer) that can be used to parse out each  
> line of CSV.  It handles quotes, embedded commas etc.
>
> In the GVCVirutalTables framework in VirtualTable.java is a method
>
>     public void importTable(InputStream stream,
>                             Object sender,
>                             NSArray columnsToImport,
>                             NSDictionary formatters,
>                             String delimiter,
>                             boolean skipFirstLine,
>                             boolean shouldReplace)
>
> that is close to what you want.  It is intended to work with our  
> Virtual Tables, not regular EOs, but would be a good starting  
> point.  You will see that we create the objects by getting EOF to  
> create raw SQL Insert statements.  If you are importing a lot of  
> data this is needed for speed.  EOF is not optimized for bulk inserts.
>
> You can get these frameworks (source and binary) here:
> http://sourceforge.net/projects/gvcsitemaker
>
> HTH,
>
> Chuck
>
> -- 
>
> Practical WebObjects - for developers who want to increase their  
> overall knowledge of WebObjects or who are trying to solve specific  
> problems.    http://www.global-village.net/products/ 
> practical_webobjects
>
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