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https://issues.apache.org/jira/browse/WW-4628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15522275#comment-15522275
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Lukasz Lenart commented on WW-4628:
-----------------------------------
That's why I called it {{hell}} :) But we can deal with it by extracting small
pieces of code and adding alternative implementations - you can have your own
{{UrlProvider}} but this is huge thing, I thought about extracting the whole
{{encoding}} logic into a bean {{UrlEncoder}} with default implementation which
will match existing behaviour plus adding some other implementations.
> Space character and includeParams
> ---------------------------------
>
> Key: WW-4628
> URL: https://issues.apache.org/jira/browse/WW-4628
> Project: Struts 2
> Issue Type: Bug
> Affects Versions: 2.3.28
> Reporter: Pierre-Yves Soblet
> Assignee: Christoph Nenning
> Fix For: 2.3.31, 2.5.3
>
> Attachments: Struts2UrlTest.zip
>
>
> With this JSP snippet using Struts 2 taglib:
> {code}
> myParameter=[<s:property value="%{#parameters['myParameter']}"/>]
> <br/>
> <s:url action="url" includeParams="get"/>
> <br/>
> <s:url action="url">
> <s:param name="myParameter" value="%{#parameters['myParameter']}"/>
> </s:url>
> {code}
> When the action is called with a parameter containing a space (which is
> escaped in the URL) :
> {code}
> localhost:8080/url?myParameter=with+space
> {code}
> The output is as follows :
> {code}
> myParameter=[with space]
> /url.action?myParameter=with%2Bspace
> /url.action?myParameter=with+space
> {code}
> The *includeParams* attribute of the “url” tag seems to transform the "space"
> character into the "plus" character (both in their url-encoded forms).
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