5. Cocoon

Exemple 5-1: Good Morning ou good Afternoon

<?xml version="1.0"?>

<?cocoon-process type="xsp"?>

<?cocoon-process type="xslt"?>

<?xml-stylesheet href="simple-page-html.xsl" type="text/xsl"?>

<xsp:page language="java"

	  xmlns:xsp="http://www.apache.org/1999/XSP/Core"

	  xmlns:util="http://www.apache.org/1999/XSP/Util"

  <page>

    <title>Good morning or good afternoon</title>

  <p> It is <util:time format="HH:mm, dd-MM-yyyy"/> </p>

  <p> .... or <util:time format=""/> if you prefer. </p>

 </page>

</xsp:page>

<?cocoon-process type="xsp"?>

<?cocoon-process type="xslt"?>

<?xml-stylesheet href="simple-page-html.xsl" type="text/xsl"?>

<xsp:page language="java" xmlns:xsp="http://www.apache.org/1999/XSP/Core"

    <xsp:logic>

      // Define a variable to hold the time of day

      Date now = new Date();

    </xsp:logic>

  <page>

    <title>Time of Day</title>

    <p>   To the best of my knowledge, it's now about

      <!-- Substitute time of day here -->

      <xsp:expr>now</xsp:expr>    </p>

      </page>

</xsp:page>

?cocoon-process type="xsp"?>

<?cocoon-process type="xslt"?>

<?xml-stylesheet href="VOTRE_SHEET.xsl" type="text/xsl"?>

<xsp:page language="java" xmlns:xsp="http://www.apache.org/1999/XSP/Core">

 <xsp:logic>

 du code Java (comme les scriptlets <% %> en JSP

 </xsp:logic>

<xsp:expr>

  une simple expression Java  (comme les <%= %> en JSP )

</xsp:expr>

</xsp:page>

Il s'agit ici de l'exemple canonique que DKS utilise partout (php, js, java ...) pour montrer comment traiter un formulaire
http://tecfa.unige.ch/guides/xml/cocoon/simple-calcul/form.html (formulaire)
http://tecfa.unige.ch/guides/xml/cocoon/simple-calcul/calcul.sxml.text (source XSP)

<xsp:page language="java" xmlns:xsp="http://www.apache.org/1999/XSP/Core">

    <page>

    <xsp:logic>

    String choice = request.getParameter("choice");

    String choice2 = request.getParameter("choice2");

    int score = 0;

    if ((choice == null) || (choice2 == null)) {

        <xsp:content>Please use the <a href="form.html">form</a>

                 </xsp:content>

                 return;

    } else

        score = Integer.parseInt(choice) + Integer.parseInt(choice2);

    </xsp:logic>

        <title>Form - XSP Demo </title>

        <content>

        You entered <xsp:expr>choice</xsp:expr> and

        <xsp:expr>choice2</xsp:expr>.

        That makes <xsp:expr>score</xsp:expr>.

        </content>

        <comment>

        Made by Daniel.Schneider@tecfa.unige.ch (3/99)

        </comment>

    </page>

</xsp:page>

explications à suivre, pour le moment voir la doc servlet ou JSP pour cet exemple ....

<?xml version="1.0"?>

<?cocoon-process type="xsp"?>

<?cocoon-process type="xslt"?>

<?xml-stylesheet href="simple-taglib-html.xsl" type="text/xsl"?>

<xsp:page

  language="java"

  xmlns:xsp="http://www.apache.org/1999/XSP/Core"

  xmlns:esql="http://apache.org/cocoon/SQL/v2" >

<page>

 <title>Cocoon XSP ESQL TagLibs demo</title>

 <author> <name>Daniel Schneider, code stolen from examples in the Cocoon distribution</name> </author>

<p> Shows some of Cocoon's SQL/XSP tag library. Also shows how to build a simple table with xsl </p>

  <esql:connection>

   <esql:driver>org.gjt.mm.mysql.Driver</esql:driver>

   <esql:dburl>jdbc:mysql://tecfa.unige.ch/demo</esql:dburl>

   <esql:username>nobody</esql:username>

   <esql:password></esql:password>

 <esql:execute-query>

    <esql:query>SELECT * FROM demo1 order by id;</esql:query>

    <esql:results>

     <ROWSET>

      <esql:row-results>

       <ROW>

       <esql:get-columns/>

		  </ROW>

     </esql:row-results>

     </ROWSET>

    </esql:results>

   </esql:execute-query>

  </esql:connection>

<p> See <a href="./">directory and appended README.html</a> for more information. </p>

</page>

</xsp:page>

Les balises <ROWSET> et <ROW> sont des balises arbitraires qu'on insère pour "entourer" les résultats d'une balise (sinon on obtient une liste à plat)
<esql:results> : le "result tree" selon les spécifications
<esql:row-results> retourne chaque ligne selon les spécifications
La balise <esql:get-columns> retourne les colonnes d'une ligne entourés des balises portant le nom du label de la colonne

<esql:results>

  <ROWSET>

   <esql:row-results>

    <ROW>

		<id><esql:get-int column="id"/></id>

		<login><esql:get-string column="login"/></login>

		<fullname><esql:get-string column="fullname"/></fullname>

		<url><esql:get-string column="url"/></url>

		<food><esql:get-string column="food"/></food>

    	</ROW>

   </esql:row-results>

  </ROWSET>

 </esql:results>