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   RE: XSL

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  • From: Vane Lashua <vlashua@RSGsystems.com>
  • To: XML-DEV LIST <xml-dev@ic.ac.uk>
  • Date: Wed, 3 Nov 1999 09:12:48 -0500

add the following after the <?xml version="1.0"> line

<?xml-stylesheet type="text/xsl" href="[yourxslURL]"?>

Make a header for the stylesheet like this:

<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/TR/WD-xsl"
 xmlns="http://www.w3.org/TR/REC-html40" result-ns=""
 language="JScript"> 

Vane

-----Original Message-----
From: Anton Schoultz - ePOS [mailto:antons@epos.co.za]
Sent: Wednesday, November 03, 1999 6:41 AM
To: XML-DEV LIST
Subject: XSL


Hi all,
Yet another idiot question..
I have found lots of info on XML, and lots on XSL, but very little on
combining them!

Hypothetical case; let's say that I have a servlet (eg Java) runing which
accepts an HTTP POST/GET to query a product catalogue. The servlet queries a
database and then generates an XML document such as this..


<?xml version="1.0"?>
<!DOCTYPE ProdList SYSTEM "http://www.acme.com/dtd/ProdList.dtd">
<ProdList>
 <hdr date="19991201">
  <title>Catalogue as of 1st December</title>
 </hdr>
 <prod code="101" short="keyboard" price="50.00">Qwerky keyboard</prod>
 <prod code="MS1" short="Mouse" price="5.00">Mickey Mouse</prod>
 <prod code="CRT2" short="Monitor" price="100.00">Monitor Lizard</prod>
</ProdList>


Let's say we have a DTD available on the web server
"www.acme.com/dtd/ProdList.dtd"
which looks like this..

<!ELEMENT ProdList ( hdr, prod* ) >
  <!-- header specifies effective date -->
  <!ELEMENT hdr ( title? ) >
  <!ATTLIST hdr
    date CDATA #IMPLIED
  >
  <!ELEMENT title (#PCDATA)* >
  <!-- each product has a code, short-descripiton and a price. -->
  <!-- the data holds full description -->
  <!ELEMENT prod (#PCDATA)* >
  <!ATTLIST prod
    code  CDATA #REQUIRED
    short CDATA #IMPLIED
    price CDATA #IMPLIED
  >
>

Let's say that a style sheet is also available on www.acme... to ouput the
catalogue as an HTML table, looks like this ... (which probably has lots of
errors!)

<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org.TR/WD-xsl">
  <xsl:template match="/">
    <HTML>
      <HEAD>
        <TITLE>
         <xsl:for-each select="hdr">
           <xsl:value-of select="."/>
         </xsl:for-each>
        </TITLE>
      </HEAD>
      <BODY BGCOLOR="#808080">
        <H1>Product List</H1>
        <TABLE BORDER="1" WIDTH="400">
          <TR>
            <TH>Stock Code</TH>
            <TH>Short Description</TH>
            <TH>Long Description</TH>
            <TH>Unit Price</TH>
          </TR>
          <xsl:for-each select="ProdList/prod">
            <TR>
              <TD> <xsl:value-of select="@code"/>  </TD>
              <TD> <xsl:value-of select="@short"/> </TD>
              <TD> <xsl:value-of select="."/>      </TD>
              <TD> <xsl:value-of select="@price"/> </TD>
            </TR>
          </xsl:for-each>
        </TABLE>
      </BODY>
    </HTML>
  </xsl:template>
</xsl:stylesheet>



How should the servlet change it's ouput (text/xml?) so that the browser (eg
IE5) will pick-up the XSL and format the xml output into the desired HTML
table ?
What changes are required to the above files ?

Regards

Anton Schoultz
e-mail: mailto:antons@ePOS.co.za
Office: +27 11 807-9400 Ext. 205


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