Re: Escaping Velocity

[Christoph Reck]

I suggest to use the "poor-mans-escaping" that always works:

#set( $D = '$' )
...
<t:story category="$page.properties.category.intValue" id="${D}{param.id}"/>
<t:page title="$page.title" section="$page.properties.section">
    ${D}{story.properties['html'].value}
</t:page>
...

Hope this helps,
Christoph


Will Hartung wrote:

Hi all,

I'm having issues escaping the Velocity-like parts of a script properly.

I am trying to generate JSP files, and with the use of JSTL and JSP EL, a JSP looks a LOT like a Velocity script.

Here's the original text I wanted to escape, in JSP syntax:

<[EMAIL PROTECTED] contentType="text/html"%>
<[EMAIL PROTECTED] pageEncoding="UTF-8"%>
<[EMAIL PROTECTED] prefix="t" tagdir="/WEB-INF/tags"%>

<t:story category="<<<id>>>" id="${param.id}"/>

<t:page title="<<<title>>>" section="<<<section>>>">
    ${story.properties['html'].value}
</t:page>

The <<<>>> delimited bits are what I want to replace with Velocity.

I tried simply:

<[EMAIL PROTECTED] contentType="text/html"%>
<[EMAIL PROTECTED] pageEncoding="UTF-8"%>
<[EMAIL PROTECTED] prefix="t" tagdir="/WEB-INF/tags"%>

<t:story category="$category" id="\${param.id}"/>

<t:page title="$title" section="$section">
    \${story.properties['html'].value}
</t:page>

But Velocity complained about the ['html'] section, giving me a syntax error.

So, I tried:

<[EMAIL PROTECTED] contentType="text/html"%>
<[EMAIL PROTECTED] pageEncoding="UTF-8"%>
<[EMAIL PROTECTED] prefix="t" tagdir="/WEB-INF/tags"%>

<t:story category="$page.properties.category.intValue" id="\${param.id}"/>

<t:page title="$page.title" section="$page.properties.section">
    \$\{story.properties['html'].value\}
</t:page>

But when I render the script, I get all of the \ in the script output. It looks like this:

<[EMAIL PROTECTED] contentType="text/html"%>
<[EMAIL PROTECTED] pageEncoding="UTF-8"%>
<[EMAIL PROTECTED] prefix="t" tagdir="/WEB-INF/tags"%>

<t:story category="46051" id="\${param.id}"/>

<t:page title="Test Page" section="testsection">
    \$\{story.properties['html'].value\}
</t:page>

So, I'm kind of stuck. I thought I was escaping things properly, but apparently not as I'm not getting out what I expect.

Is there a routine somewhere that will take raw text and convert it in to a valid Velocity script the recreates the original text? That would be a great help.

I saw the EscapeTool, but it handles a bunch of languages, but not Velocity itself.

Does anyone have any examples?

Any help would be appreciated.

Regards,

Will Hartung


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