[jira] Resolved: (TAPESTRY-280) DataSqueezer should URLEncode/Decode its string

["Howard M. Lewis Ship (JIRA)" <ta...@jakarta.apache.org>]

     [ http://issues.apache.org/jira/browse/TAPESTRY-280?page=all ]
     
Howard M. Lewis Ship resolved TAPESTRY-280:
-------------------------------------------

    Resolution: Invalid
     Assign To: Howard M. Lewis Ship

Haven't seen any updates to this bug, so I'm marking it as invalid.

> DataSqueezer should URLEncode/Decode its string
> -----------------------------------------------
>
>          Key: TAPESTRY-280
>          URL: http://issues.apache.org/jira/browse/TAPESTRY-280
>      Project: Tapestry
>         Type: Bug
>   Components: Framework
>     Versions: 3.0.1, 3.0, 3.0.2
>  Environment: Java AMD64 1.5.01
>     Reporter: Mikaël Cluseau
>     Assignee: Howard M. Lewis Ship

>
> I would add a fix in the DataSqueezer: the current implementation allow
> Strings like "abc&sp=def" directly in the URL, which creates a second
> parameter where only one is expected.
> This is very inconvenient when you squeeze callback URLs (I have a
> RedirectCallback that squeezes to R{url}). The bug is not obvious (I
> first tought the browser was "pretty printing" the URL) as the "?" is
> not considered a parameter so, if you have
> Login.tap?sp=R/List.tap?sp=1&sp=2, the callback's URL becomes
> "/List.tap?sp=1" and you have a second parameter to your Login page...
> I think the correct way of encoding parameters is :
> ...
> // TODO For Java 1.3 compatibility, use equivalents from commons-codecs
> import java.net.URLEncoder;
> import java.net.URLDecoder;
> ...
> public class DataSqueezer {
> ...
>     public String squeeze(Object data) throws IOException
>     {
>         ISqueezeAdaptor adaptor;
>         if (data == null)
>             return NULL_PREFIX;
>         adaptor = (ISqueezeAdaptor) _adaptors.getAdaptor(data.getClass());
>         return URLEncoder.encode(adaptor.squeeze(this, data),"UTF-8");
>     }
> ...
>     public Object unsqueeze(String rawString) throws IOException
>     {
>         ISqueezeAdaptor adaptor = null;
>         String string = URLDecoder.decode(rawString, "UTF-8");
>         if (string.equals(NULL_PREFIX))
>             return null;
>         int offset = string.charAt(0) - FIRST_ADAPTOR_OFFSET;
>         if (offset >= 0 && offset < _adaptorByPrefix.length)
>             adaptor = _adaptorByPrefix[offset];
>         // If the adaptor is not otherwise recognized, the it is simply
>         // an encoded String (the StringAdaptor may not have added
>         // a prefix).
>         if (adaptor == null)
>             return string;
>         // Adaptor should never be null, because we always supply
>         // an adaptor for String
>         return adaptor.unsqueeze(this, string);
>     }
> ...
> }

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