Why do you have the xsl:output tag in the JSP? Shouldn't it be in the XSL-document? /Niklas -----Ursprungligt meddelande----- Från: Jeff Chapman <[EMAIL PROTECTED]> Till: Orion-Interest <[EMAIL PROTECTED]> Datum: den 19 januari 2001 19:11 Ämne: Having trouble forcing browser-side XSL transformations >Hi Folks, > >Although I'm an experienced Java and Web >developer, I'm very new to Orion and am >trying a tactic that I've seldom seen >mentioned on this newsgroup. My search >of posts for the last few months shows one >person doing something pretty similar, but >recommendations to his note haven't solved >my problem. > >Basically, I would like a JB to emit pure XML >into a JSP which wraps it in the proper code >to cause IEv5.5 to perform the XML/XSL >transformation (instead of the server). I've >been able to get this logic to work in other >web crafting environments (Tango and ASP), but >have not been able to get it to work from JSPs. > >I've got a local JB (ClassInfoBean2.java) >with a method that emits a chunk of XML. >The following code is in the associated JSP. > >[NOTE: The <xsl:output...> lines were the >recommendation I found in a note from >1/8/01 who's subject is "XSL on Orion >returns content type text/xml instead >of text/html". Whether these lines >are present or not has made no difference.] > >This JSP code is about as simple as >it gets. > > <?xml version="1.0"?> > <?xml-stylesheet type="text/xsl" > href="ClassInfo2.xsl"?> > > <xsl:output method = "html" > indent = "yes" > doctype-system = "http://www.w3.org/DTD/HTML4-strict-dtd" > doctype-public = "-//W3C//DTD HTML 4.0//EN" > media-type= "text/html" /> > > <jsp:useBean id="ClassInfoBeanId" > scope="session" > class="school.ClassInfoBean2" /> > <jsp:setProperty > name="ClassInfoBeanId" property="*" /> > > <root> > <jsp:getProperty > name="ClassInfoBeanId" > property="xmlData" /> > </root> > >The associated XSL file is too long to try >to post in this note. The content probably >isn't a part of the problem since the browser >doesn't even try to do the transformation. >When I copy the following XML into an XML file, >the browser loads the file and performs the >transformation perfectly. However the browser >refuses to perform the transformation when >the same XML is emitted from a JSP file. > >Here's the XML output that the JSP emits: > > <?xml version="1.0"?> > <?xml-stylesheet type="text/xsl" > href="ClassInfo2.xsl"?> > <xsl:output method = "html" > indent = "yes" > doctype-system = "http://www.w3.org/DTD/HTML4-strict-dtd" > doctype-public = "-//W3C//DTD HTML 4.0//EN" > media-type= "text/html" /> > <root> > <title>Class Info</title> > <stylesheet>resources.css</stylesheet> > <studentinfo> > <id>234567890</id> > </studentinfo> > <class> > <id>23</id> > <name>ThisName</name> > <descr>Relatively longggg Description</descr> > <section>ThisSection</section> > <dept>ThisDept</dept> > <maxsize>18</maxsize> > <credits>3</credits> > <startdate>1-18-2001</startdate> > <starttime>13:00</starttime> > <finishtime>15:30</finishtime> > <building>thisBuilding</building> > <room>thisRoom</room> > </class> > </root> > >Now when this is sent to IEv5 (with the latest >XSLT updates installed), the XSL file should be >loaded and used to transform the XML data into >the appropriate HTML--but this is not happening >and I can't tell what's missing. > >Specifically, I can't tell if the browser isn't >able to find the XSL file (thus the subject >of this note), or if the browser doesn't know >that this is really an XML page that warrants >XML/XSL processing, or if the browser thinks >there's a valid reason (ie., security) to avoid >doing the transformation. No errors are >produced, the browser simply refuses to do >the transformation. > >In this setting, I have several questions. > >1. Given the <?xml-stylesheet...> statement >shown above, where should I put the XSL file? >Perhaps with the JSP files? (This worked for the >CSS files in this project.) Perhaps a different >path in the href value would be appropriate? >Any suggestions? > >2. Do I need to explicitly tell Orion to >handle XSL and/or CSS file types? There >wouldn't be much for Orion to do except emit >their contents 'as is' and let the downstream >device do the processing. If I don't do this >then it would seem that these files would be >(apparently) served from a different server >(http://whatever:8080/something vs >http://whatever/something). I mention this >because it occurred to me that the browser's >sandbox might be interfering with loading the >XSL file from what appears to be a different >domain that where the original page is served >from. My gut feeling is that this shouldn't >be necessary, but I don't want to leave any >stone unturned in this search. > >3. There's a possibility that the browser is >confused since the URL ends in JSP but I'm >returning XML content. That is, the browser may >not realize that it is appropriate for it to >do the XSL transformation. The first two lines >should remove any of the browser's doubt about the >content type of the page, but since nothing I've >done has made a difference I don't want to rule >this out as a possible cause of confusion. > >My plan is to produce a transform object >which detects the browser's capabilities and >pushes the transformation as close to the >browser as possible. In the case of IE5, >then we would emit XML with an appropriate >reference to a transformation file. In browsers >that don't handle XML but have a JRE, we would >emit a page with a reference to a compiled >transformation (produced by Sun's XSLT compiler). >If the browser has no XML nor JRE support, >then the Server will perform the transformation >and emit HTML. The ultimate goal is to maximize >the utilization of the browser's capabilities. > >Anyone had any luck getting IEv5 to participate >in this tactic from a JSP page? Any suggestions >would be appreciated. > >Cheers, >Jeff Chapman >Pervasive Software >
