Setting a string parameter inside struts.xml action from a properties file

Question

I've been trying to implement an action which allows the user to download a file with a specific filename. This filename is set by passing the action a parameter through struts.xml this way:

<result name="success" type="stream">
            <param name="contentType">application/octet-stream</param>
            <param name="inputName">input_document</param>
            <param name="contentDisposition">attachment;filename=foo.bar</param>
            <param name="bufferSize">1024</param>
</result>

I have omitted the rest of the code as I just want to focus on this:

<param name="contentDisposition">attachment;filename=foo.bar</param>

That way it works perfectly and lets you download the foo file with .bar extension.

So here's the deal, I was curious to know wether if is it possible to retrieve the extension from a properties file and pass it through the parameter, for example, like this:

<param name="contentDisposition">attachment;filename=foo%{+ getText("EXTENSION_KEY_IN_PROPERTIES_FILE")}</param>

I know that getText("...") won't work but I just want you to understand what I'm searching for.

I'm currently working with some properties files for global parameters and localization stuff so it would be great if I could retrieve this file extension from one of them.

Roman C · Accepted Answer · 2014-11-26 12:46:13Z

1

It should work if your action implements TextProvider

<param name="contentDisposition">attachment;filename=foo${getText('EXTENSION_KEY_IN_PROPERTIES_FILE')}</param>

edited Nov 26, 2014 at 12:46

answered Nov 26, 2014 at 11:58

Roman C

1

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3 Comments

JorgeGRC Over a year ago

Well it seems the issue was I didn't add the properties file to the project resources properly... worked like a charm when I did. @Roman What does that <![CDATA[]> stands for ?? Thank you :)

Roman C Over a year ago

It's used with the text that uses special characters omitted by xml parser when parsed a document. I removed them from the answer.

JorgeGRC Over a year ago

Oh, Ok, I'll accept your answer as you point out well that TextProvider must be implemented by the action. Thanks

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