Resin : JSP Tutorial : XTP : Link Rewriting


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Link Rewriting

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Rewriting links to encode sessions is a tedious and error-prone task. If you use URL-encoded sessions, every <a> link and every <form> action needs a rewritten link using response.encodeURL(). XTP can rewrite those for you automatically.

stylesheet.xsl
<!-- make sure '<' is not printed as '<' --> $output(disable-output-escaping=>true); <!-- copy input to output --> \|@ << $copy() << $apply-templates(node()\|@); >> >> <!-- rewrite <a href> --> a[@href] << <a href='<%= response.encodeURL("{@href}") %>'> $apply-templates(node()\|@[name(.)!="href"]); </a> >>

Your XTP page may look something like:

test.xtp
<?xml-stylesheet href='stylesheet.xsl'?> <h1>My test</h1> Adding: 2 + 2 = <%= 2 + 2 %> <p>New? <%= session.isNew() %> <p>And <a href='test.xtp'>linking</a>

The transformed file will look like:


          <?xml-stylesheet href='stylesheet.xsl'?>
<h1>My test</h1>

Adding: 2 + 2 = <%= 2 + 2 %>

<p>New? <%= session.isNew() %>

<p>And <a href='<%= response.encodeURL("test.xtp") %>'>linking</a>

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