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| <p><strong>About</strong></p> |
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| <a name="What is Texen?"><strong>What is Texen?</strong></a> |
| </font> |
| </td></tr> |
| <tr><td> |
| <blockquote> |
| <p> |
| Texen is a general purpose text generating utility. It is capable of |
| producing almost any sort of text output. Driven by Ant, essentially |
| an <a href="http://jakarta.apache.org/ant/">Ant</a> Task, Texen uses |
| a control template, an optional set of worker templates, and control |
| context to govern the generated output. Although TexenTask can be |
| used directly, it is usually subclassed to initialize your control |
| context before generating any output. |
| </p> |
| <p> |
| Texen was created to deal with the source generating requirements of |
| the Turbine web application framework. The <a href="http://jakarta.apache.org/turbine/torque.html">Torque</a> utility |
| in <a href="http://jakarta.apache.org/turbine/">Turbine</a>, which is a |
| subclass of the TexenTask, is responsible for generating the SQL, |
| and the Object-Relational mapping sources for a Turbine project. |
| This is only one example; you can use Texen to generate almost any |
| sort of text output! |
| </p> |
| </blockquote> |
| </p> |
| </td></tr> |
| <tr><td><br/></td></tr> |
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| <table border="0" cellspacing="0" cellpadding="2" width="100%"> |
| <tr><td bgcolor="#525D76"> |
| <font color="#ffffff" face="arial,helvetica,sanserif"> |
| <a name="The TexenTask"><strong>The TexenTask</strong></a> |
| </font> |
| </td></tr> |
| <tr><td> |
| <blockquote> |
| <p> |
| This trivial example, which shows how to use Texen from an Ant |
| build.xml, is intended to illustrate how the Texen mechanism works. |
| </p> |
| <p> |
| <em>Ant Build File</em> |
| </p> |
| <div align="left"> |
| <table cellspacing="4" cellpadding="0" border="0"> |
| <tr> |
| <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| </tr> |
| <tr> |
| <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#ffffff"><pre> |
| <project name="HtmlGenerator" default="main" basedir="."> |
| |
| <taskdef name="texen" classname="org.apache.velocity.texen.ant.TexenTask"/> |
| |
| <!-- ================================================================ --> |
| <!-- G E N E R A T E H T M L P A G E S --> |
| <!-- ================================================================ --> |
| <!-- This target will generate a set of HTML pages based on --> |
| <!-- the information in our control context. --> |
| <!-- ================================================================ --> |
| |
| <target name="main"> |
| |
| <echo message="+------------------------------------------+"/> |
| <echo message="| |"/> |
| <echo message="| Generating HTML pages! |"/> |
| <echo message="| |"/> |
| <echo message="+------------------------------------------+"/> |
| |
| <texen |
| controlTemplate="Control.vm" |
| outputDirectory="." |
| templatePath="." |
| outputFile="generation.report" |
| /> |
| |
| </target> |
| |
| </project> |
| </pre></td> |
| <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| </tr> |
| <tr> |
| <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| </tr> |
| </table> |
| </div> |
| <p> |
| <em>Control Template</em> |
| </p> |
| <div align="left"> |
| <table cellspacing="4" cellpadding="0" border="0"> |
| <tr> |
| <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| </tr> |
| <tr> |
| <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#ffffff"><pre> |
| #* |
| |
| file: Control.vm |
| |
| This is the control template for our HTML |
| page generator! |
| |
| *# |
| |
| #set ($Planets = ["Earth", "Mars", "Venus"]) |
| |
| #foreach ($planet in $Planets) |
| |
| #set ($outputFile = $stringutils.concat([$planet, ".html"])) |
| $generator.parse("HtmlTemplate.vm", $outputFile, "planet", $planet) |
| |
| #end |
| </pre></td> |
| <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| </tr> |
| <tr> |
| <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| </tr> |
| </table> |
| </div> |
| <p> |
| <em>Worker Template</em> |
| </p> |
| <div align="left"> |
| <table cellspacing="4" cellpadding="0" border="0"> |
| <tr> |
| <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| </tr> |
| <tr> |
| <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#ffffff"><pre> |
| #* |
| |
| file: HtmlTemplate.vm |
| |
| This is worker template. It is called by the |
| control template to produce useful output (or |
| not so useful in this case). :-) |
| |
| *# |
| |
| #set ($bgcolor = "#ffffff") |
| |
| <html> |
| <head> |
| <title> |
| Everything you wanted to know about $planet! |
| </title> |
| </head> |
| <body bgcolor="$bgcolor"> |
| |
| $planet is a great place to live! |
| |
| </body> |
| </html> |
| </pre></td> |
| <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| </tr> |
| <tr> |
| <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td> |
| </tr> |
| </table> |
| </div> |
| <p> |
| Texen produces three html pages: Earth.html, Mars.html, and |
| Venus.html. To do something more useful, you would subclass the |
| TexenTask, place some objects in the control context, and use the |
| information placed in the control context to generate useful output. |
| </p> |
| <p> |
| See the Torque utility in Turbine for a full working example of |
| Texen. A standalone version of Torque is available <a href="http://jakarta.apache.org/builds/jakarta-turbine/release/">here</a>. |
| </p> |
| </blockquote> |
| </p> |
| </td></tr> |
| <tr><td><br/></td></tr> |
| </table> |
| </td> |
| </tr> |
| |
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| <div align="center"><font color="#525D76" size="-1"><em> |
| Copyright © 1999-2004, The Apache Software Foundation |
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| </html> |
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