shannon 02/05/30 10:38:43
Added: src/documentation/xdocs/faq faq-selectors.xml
Log:
userdocs/faq/faq-selectors.xml
Created new file in anticipation
of community contributions.
Added basic definition.
Added useful content from webapp/sitemap.xmap,
userdocs/concepts/matchers_selectors.xml, and
userdocs/selectors/selectors.xml
Revision Changes Path
1.1 xml-cocoon2/src/documentation/xdocs/faq/faq-selectors.xml
Index: faq-selectors.xml
===================================================================
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE faqs PUBLIC "-//APACHE//DTD FAQ V1.0//EN" "../dtd/faq-v10.dtd">
<faqs title="Cocoon Sitemap Selector FAQs">
<faq>
<question>
What is a selector?
</question>
<answer>
<p>
A selector is a core sitemap component of Cocoon. Selectors are designed to
evaluate a
generally simple boolean expression regarding some part of the environment
(request URI, headers, or cookies, for example). The result of this evaluation
determines which pipeline fragments should be combined within a given pipeline.
Selectors are executed during pipeline setup.
</p>
<p>
In the sitemap file, each selector has a unique name which is mapped to a
java class. One selector name must be declared as the default selector. Each
selector may have additional configuration information specified in child
elements.
</p>
<p>
For more conceptual information about selectors see <link
href="../userdocs/concepts/matchers_selectors.html">Using and Implementing
Matchers and Selectors</link>. For detailed descriptions about all of the
available Cocoon selectors, see the user's guide document <link
href="../userdocs/selectors/selectors.html">Matchers in Cocoon</link>. You may
also wish to consult the Cocoon API documentation.
</p>
</answer>
</faq>
<faq>
<question>
What is the difference between a selector and a matcher?
</question>
<answer>
<p>
Both matchers and selectors can be used to determine the flow, order, and
components involved in request processing. Their differences include the
complexity of the decisions they can make about processing as well as the
values they return to the sitemap. For a more detailed discussion of their
similarities and differences, see <link
href="../userdocs/concepts/matchers_selectors.html">Using and Implementing
Matchers and Selectors</link>.
</p>
</answer>
</faq>
</faqs>
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