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How to prevent sitemesh from parsing html in textarea

Answer 1

A:

I solved it myself. The solution is self evident when you examine the source code for HTMLPageParser

The trick is to write a custom PageParser that adds a new state with its own set of rules i.e no rules at all:

public class CustomPageParser extends HTMLPageParser {

    @Override
    protected void addUserDefinedRules(State html, PageBuilder page) {
        super.addUserDefinedRules(html, page);
        // Ensure that while in <textarea> tag, none of the other rules kick in.
        State textarea = new State();
        html.addRule(new StateTransitionRule("textarea", textarea));

    }
}

henrik_lundgren 2010-03-07 09:29:05

Answer 2

+1 A:

You can't put <tags> inside a textarea. It is completely invalid. Textarea elements are not ‘CDATA elements’ like <script> and <style>, any < you put inside them is real markup and not a string literal.

In practice browsers will usually let you get away with it (until you try to include another textarea inside, of course), but what you should be writing is:

<textarea name="page_content">
    &lt;html>
        ...
    &lt;/html>
</textarea>

bobince 2010-03-07 09:37:44

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How to prevent sitemesh from parsing html in textarea

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