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From Thangadurai <du...@siptech.co.in>
Subject Re: anchor tag/request object populated by tag name
Date Fri, 03 Aug 2001 03:53:28 GMT
See inline

Daniel Urbano wrote:

>  Hello. I am new to Cocoon and XML/XSL so please bare with me. cocoon
> 1.8.2tomacatWin2k I have an XML document which is dynamically
> generated by XYZFind (an XML database). This XML document is
> describing the names of the XML documents (schemas) in the XYZFind
> database, such as the following XML: <?xml version="1.0"?>
> <?cocoon-process type="xslt"?>
> <?xml-stylesheet href="uc.xsl" type="text/xsl"?>
> <xyz:output xmlns:xyz="http://xyzfind.com/schemas/xyzql/1.0">
>     <xyz:schema>
>         <MedlineCitationSet/>
>         <SEASON/>
>         <resolution/>
>         <spec/>
>     </xyz:schema>
> </xyz:output> Using XSL, I am trying to create anchor tags which will
> link to another XML file to display one of the schema's contents. This
> seems like an obvious problem, though a day of searching has not
> turned up any solution. Here is my XML doc which grabs the above and
> results in the exception found at the bottom. <?xml version="1.0"?>
> <?cocoon-process type="xsp"?>
> <?cocoon-process type="xslt"?>
> <?xml-stylesheet href="viewSchemas.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"
>           xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>           xmlns:xyz="http://xyzfind.com/schemas/xyzql/1.0">
>     <xsp:structure>
>         <xsp:include>uc.util.xyz.XYZBean</xsp:include>
>     </xsp:structure>
>     <xsp:logic>
>         private String getXML() {
>             XYZBean xyz = new XYZBean();
>             xyz.process();
>             xyz.getSchemas();
>             return xyz.getXMLString();
>         }
>     </xsp:logic>
>     <page>
>
> <util:include-expr><util:expr>getXML()</util:expr></util:include-expr>
>
>     </page>
> </xsp:page> Where the first XML file is grabbed with the
> getXML(). This is my XSL file: <?xml version="1.0"?>
> <xsl:stylesheet version="1.0"
>                 xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>                 xmlns:xyz="http://xyzfind.com/schemas/xyzql/1.0"
>                 xmlns:xsp="http://www.apache.org/1999/XSP/Core">
> <xsl:template match="page">
> <html>
>     <head>
>         <title>XYZ Schema</title>
>     </head>
>     <body bgcolor="#ffffff">
>         Here is a list of schemas. Click on the link to view the
> entire schema.
>         <b>
>         <xsl:apply-templates select="xyz:output"/>
>         </b>
>     </body>
> </html>
> </xsl:template><xsl:template match="xyz:output">
>     <xsl:apply-templates select="xyz:schema"/>
> </xsl:template><xsl:template match="xyz:schema">
>     <xsl:apply-templates select="*"/>
> </xsl:template><xsl:template match="*">
>     <br/>
>
> Replace this
>     <a href="viewSchema.xml?document=<xsl:value-of
> select='name()'/>"><xsl:value-of select="name()"/></a>
>  line with the following tag
>
> <xsl:element name="a">
>        <xsl:attribute name="href">
>          viewSchema.xml?document=<xsl:value-of select="name()" />
>        </xsl:attribute>
>         <xsl:value-of select="name()" />
>
>  </xsl:element>
>
> and Try...
>
>
>
>
>
> </xsl:template></xsl:stylesheet>
>
> org.apache.cocoon.processor.ProcessorException: Could not associate stylesheet to document:
 error reading C:\proprietary\server\tomcat\webapps\control\view\viewSchemas.xsl: org.xml.sax.SAXException:
The value of attribute "href" must not contain the '<' character. [FATAL ERROR] [File:
"file:C:/proprietary/server/tomcat/webapps/control/view/viewSchemas.xsl" Line: 34 Column:
39] (nested exception: org.xml.sax.SAXParseException: The value of attribute "href" must not
contain the '<' character. )
>         at org.apache.cocoon.processor.xslt.XSLTProcessor.getStylesheet(XSLTProcessor.java:264)
>         at org.apache.cocoon.processor.xslt.XSLTProcessor.process(XSLTProcessor.java:114)
>         at org.apache.cocoon.Engine.handle(Engine.java:384)
>         at org.apache.cocoon.Cocoon.service(Cocoon.java:183)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>         at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:405)
>         at org.apache.tomcat.core.Handler.service(Handler.java:287)
>         at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
>         at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
>         at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
>         at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:213)
>         at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
>         at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:501)
>         at java.lang.Thread.run(Thread.java:484)
>
> If I exclude —> <a href="viewSchema.xml?document="<... and leave =<xsl:value-of
select='name()'/> Then I do not get the exception.
>
> So, in the end I am trying to have the resulting html look like <a href="viewSchema.xml?document=spec">spec</a>
>
> Thank you for your time.
>
> Daniel
>

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