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[list4xt] Re: XML to WML translation
Subject: [list4xt] Re: XML to WML translation
User: Website From: Ben Sifuentes (bsifuentes@cysive.com)
Date: 05/12/2000 - 21:02
You must have miss understood my posting this just a plain java
implementation. There's no XSLServlet here!
-----Original Message-----
From: guy@dyomedea.com [mailto:guy@dyomedea.com]On Behalf Of guy
Sent: Tuesday, December 05, 2000 2:45 PM
To: list4xt@4xt.org
Subject: [list4xt] Re: XML to WML translation
What is the content type output in your HTTP header. XT will default to
'application/xml' . When I tried to setContentType('text/vnd.wap.xml') in my
XSLServlet it output both Content-Types in the header. If you have overcome
this problem, how did you do it? (there is a solution posted on Dec. 2 by
Eric
van der Vlist)
Guy
Ben Sifuentes wrote:
> Can some explain to me why this doesn't work?
>
> Currently, I'm using the JAXP release 2 and James Clark XT
>
> I have the following coded:
>
> XML
> ---
>
> <name>
> <first>Ben</first>
> <last>Sifuentes</last>
> </name>
>
> XSL
> ---
>
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
> <xsl:output method="wml"
> indent="yes"
> media-type="text/vnd.wap.xml"
> omit-xml-declaration="no"
> doctype-public="-//WAPFORUM//DTD WML 1.1//EN"
> doctype-system="http://www.wapforum.com/DTD/wml_1.1.xml"
> />
> <xsl:template match="/">
> <wml>
> <card id="main1" title="main card">
> <onevent type="ontimer">
> <go href="http://localhost80/jsp/mainmenu.jsp"/>
> </onevent>
> <timer value="60"/>
> <do type="accept" label="next">
> <go href="http://localhost80/jsp/mainmenu.jsp"/>
> </do>
> <do type="prev">
> <noop/>
> </do>
> <p>Welcome <xsl:value-of select="/name/first"/>
> <xsl:text> </xsl:text>
> <xsl:value-of select="/name/last"/> to AirBank!</p>
> </card>
> </wml>
> </xsl:template>
> </xsl:stylesheet>
>
> Now when I ran this manually using the James Clark XT it produces the
> correct code as follows:
>
> command: java -Dcom.jclark.xsl.sax.parser=com.sun.xml.parser.Parser
> com.jclark.xsl.sax.Driver atest.xml atestWML.xsl welcome.wml
>
> WML
> ---
> <?xml version="1.0" encoding="utf-8"?>
> <!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
> "http://www.wapforum.com/DTD/wml_1.1.xml">
> <wml>
> <card id="main1" title="main card">
> <onevent type="ontimer">
> <go href="http://localhost80/jsp/mainmenu.jsp"/>
> </onevent>
> <timer value="60"/>
> <do type="accept" label="next">
> <go href="http://localhost80/jsp/mainmenu.jsp"/>
> </do>
> <do type="prev">
> <noop/>
> </do>
> <p>Welcome Ben Sifuentes to AirBank!</p>
> </card>
> </wml>
>
> Now on the other hand when I use the XT demo code "DOMDemo" that comes
with
> the XT installation. It produces incorrect output!
>
> WML
> ---
> <?xml version="1.0" encoding="UTF-8"?>
>
> <wml>
> <card id="main1" title="main card">
> <onevent type="ontimer">
> <go href="http://localhost80/jsp/mainmenu.jsp" />
> </onevent>
> <timer value="60" />
> <do type="accept" label="next">
> <go href="http://localhost80/jsp/mainmenu.jsp" />
> </do>
> <do type="prev">
> <noop />
> </do>
> <p>Welcome Ben Sifuentes to AirBank!</p>
> </card>
> </wml>
>
> As you can see from the above. The <!DOCTYPE ...> is missing from the file
> that was generated. It should have been on the second line. I've included
> the DOMDemo.java code.
>
> DOMDemo.java
> ------------
> import java.io.IOException;
> import java.io.OutputStream;
> import java.io.FileOutputStream;
> import org.xml.sax.SAXException;
> import com.sun.xml.tree.XmlDocument;
>
> import com.jclark.xsl.dom.Transform;
> import com.jclark.xsl.dom.TransformEngine;
> import com.jclark.xsl.dom.TransformException;
> import com.jclark.xsl.dom.XSLTransformEngine;
>
> /**
> * This is a demo of using the simple, pure DOM API to XT.
> * It uses Sun's DOM implementation (Project X TR2).
> */
>
> class DOMDemo {
> public static void main(String[] args)
> throws IOException, SAXException, TransformException {
> if (args.length != 3) {
> System.err.println("usage: java DOMDemo sourceURL stylesheetURL
> resultFile");
> System.exit(1);
> }
>
> XmlDocument result = new XmlDocument();
> new XSLTransformEngine()
> .createTransform(XmlDocument.createXmlDocument(args[1], false))
> .transform(XmlDocument.createXmlDocument(args[0]),
> result);
> OutputStream out = new FileOutputStream(args[2]);
> result.write(out);
> out.close();
> }
> }
>
> Now I realize that when I ran it from the command line it was using SAX to
> parser the file and generate the ouput and that the java code is using DOM
> to produce it's output. But, from my understanding it should have produced
> the same output. Also can anyone guide me in modifying the above code to
> utilize SAX instead of the DOM.
>
> Any help would be greatly appreciated.
> -Ben
>
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