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<document>
<properties>
<title>Overview Of The Doxia Framework</title>
<author>Vincent Siveton</author>
<date>2009-03-02</date>
</properties>
<body>
<section name="Overview Of The Doxia Framework">
<p>
The following figure represents the main components of the Doxia Framework.
</p>
<p>
<img src="images/architecture.png" width="574" height="439" border="0" usemap="#Doxia_Framework" alt="Doxia Framework"/>
<map id="Doxia_Framework" name="Doxia_Framework">
<area shape="rect" coords="87,45,172,99" alt="Sink API"
href="http://maven.apache.org/doxia/doxia/doxia-sink-api/" />
<area shape="rect" coords="66,170,193,232" alt="Core"
href="http://maven.apache.org/doxia/doxia/doxia-core/" />
<area shape="rect" coords="26,361,69,403" alt="APT Module"
href="http://maven.apache.org/doxia/doxia/doxia-modules/doxia-module-apt/" />
<area shape="rect" coords="78,361,119,403" alt="XDoc Module"
href="http://maven.apache.org/doxia/doxia/doxia-modules/doxia-module-xdoc/" />
<area shape="rect" coords="130,361,172,404" alt="FML Module"
href="http://maven.apache.org/doxia/doxia/doxia-modules/doxia-module-fml/" />
<area shape="rect" coords="14,311,235,428" alt="Modules"
href="http://maven.apache.org/doxia/doxia/doxia-modules/" />
<area shape="rect" coords="0,0,260,438" alt="Doxia"
href="http://maven.apache.org/doxia/doxia/" />
<area shape="rect" coords="297,157,422,200" alt="Site Renderer"
href="http://maven.apache.org/doxia/doxia-sitetools/doxia-site-renderer/" />
<area shape="rect" coords="455,157,557,200" alt="Decoration Model"
href="http://maven.apache.org/doxia/doxia-sitetools/doxia-decoration-model/" />
<area shape="rect" coords="298,209,421,251" alt="Doc Renderer"
href="http://maven.apache.org/doxia/doxia-sitetools/doxia-doc-renderer/" />
<area shape="rect" coords="286,114,575,262" alt="Site Tools"
href="http://maven.apache.org/doxia/doxia-sitetools/" />
<area shape="rect" coords="304,362,403,404" alt="Converter"
href="http://maven.apache.org/doxia/doxia-tools/doxia-converter/" />
<area shape="rect" coords="424,362,517,404" alt="Linkcheck"
href="http://maven.apache.org/doxia/doxia-tools/doxia-linkcheck/" />
<area shape="rect" coords="285,310,537,426" alt="Tools"
href="http://maven.apache.org/doxia/doxia-tools/" />
</map>
</p>
<p>
<b>Note</b>: Just like Maven, Doxia uses
<a class="externalLink" href="http://plexus.codehaus.org/">Plexus</a> extensively.
</p>
<subsection name="Sink API">
<p>
The <i>Sink</i> interface is a generic markup language interface. It contains
several methods that encapsulate common text syntax. A start tag is denoted by
<i>xxxx()</i> method and a end of tag by <i>xxxx_()</i> method.
</p>
<p>
For instance, you could do things like:
</p>
<source>
sink.paragraph();
sink.text( &quot;my text&quot; );
sink.paragraph_(); </source>
<p>
similar to this HTML markup:
</p>
<source>
&lt;p&gt;my text&lt;/p&gt;</source>
<p>To find out more about the Sink API, you could read the Javadoc
<a class="externalLink"
href="http://maven.apache.org/doxia/doxia/doxia-sink-api/apidocs/org/apache/maven/doxia/sink/Sink.html">here</a>.
</p>
</subsection>
<subsection name="Doxia Core">
<p>
The <i>Core</i> is the API to parse a source and populate it in a <i>Sink</i>
object. The <i>Parser</i> interface contains only one method:
</p>
<source>
void parse( Reader source, Sink sink )
throws ParseException; </source>
<p>
The <i>ParseException</i> class has the responsibility to catch all parsing
exceptions. It provides an helper method, <i>getLineNumber()</i>, which helps to
find where an error occurred.
</p>
<p>
The <i>AbstractParser</i> class is an abstract implementation of the
<i>Parser</i>. It provides a macro mechanism to give dynamic functionalities for
the parsing. For more information on macros, read the <a
href="./macros/index.html">Doxia Macro Guide</a>.
</p>
<p>
Finally, the <i>SiteModule</i> interface is the last part of the puzzle. It
provides main definitions of a given Doxia module and it is used by the
<i>doxia-site-renderer</i> site tools.
</p>
</subsection>
<subsection name="Doxia Modules">
<p>
A Doxia module is an implementation of a given markup language like APT or Xdoc.
Each module should implement these interfaces:
</p>
<ul>
<li><i>Parser</i> interface, more specifically the <i>AbstractParser</i> class</li>
<li><i>SiteModule</i> interface</li>
</ul>
<p>
Several modules provide also a <i>Sink</i> implementation to handle a specific
output markup language.
</p>
<p>
For more information on modules, read the <a href="./modules/index.html">Doxia
Module Guide</a>.
</p>
</subsection>
<subsection name="Doxia Site Tools">
<p>
The <i>Site Tools</i> are a collection of tools to renderer an output. The main
tool used by Maven, specifically the
<a class="externalLink" href="http://maven.apache.org/plugins/maven-site-plugin/">Maven Site Plugin</a>,
is the <i>doxia-site-renderer</i> which renders in HTML any
documents written with supported markup syntax. It uses
<a class="externalLink" href="http://velocity.apache.org/">Velocity templates</a>
to customize the renderer and the <i>site-decoration-model</i> tool to decorate the
renderer.
This component describes the layout of the site defined in the <i>site.xml</i>
file.
</p>
<p>
The <i>doxia-doc-renderer</i> tool is used to renderer any document in another
document.
</p>
</subsection>
</section>
</body>
</document>