Xalan-J and calls to Java

[xmtb26]

Background: I am running a servlet under Tomcat. The servlet is a "wrapper" for Xalan-J that transforms a given XML/XSL combo.

I have been successful in getting super basic Java calls working in my XSLs (such as string.toUpperCase or InetAddress.getLocalName).

My current need is for the XSL to be able to know the complete URL of what called it. For example, I want something like

http://server1.abc.com/trans/...

or

http://server2.abc.com/trans/

that I can store into a variable.

 

[tsuji]

>My current need is for the XSL to be able to know the complete URL of what called it.

Since no xml/java/servlet person steps in, I try to offer some elements of thought that I believe should not be too far off.

[1] To get the url that is calling, it is not an xml-related problem. Let's say request be HttpServletRequest, you can store it to string variable, say surl, like this.
[tt] surl=(String)request.getRemoteAddr();[/tt]

[2] To let the xslt document aware of it is a xml-related question.
[2.1] You first set up the xslt document with a top level parameter.
[tt] <xslaram name="remoteaddr" />[/tt]
[2.2] Then when transformer, named transformer, is set up, you set the parameter remoteaddr to the value surl.
[tt] transformer.setParameter("remoteaddr",surl);[/tt]

 

[xmtb26]

Thank you tsuji for taking the time to respond. My Xalan wrapper servlet can accept params similar to command-line calls to Xalan. Therefore, I am passing the info in via a parameter. I may be forced to write my own class to get the info like you suggest, unless I (or Tek Tip folks) can come up with an elegant "one line solution" like I do in other cases:

How I retrieve the web server's IP and box name, e.g.,

<xsl:variable name="ip.box" select="java:java.net.InetAddress.getLocalHost()"/>
<xsl:variable name="box" select="java:getHostName($both)"/>

or like make a node UPPERCASE

select="java:toUpperCase(java:java.lang.String.new(string()))"/>

or finding the version of Xalan I'm running

<xsl:value-of select="java:org.apache.xalan.Version.getVersion()"/>

 

[xmtb26]

* BUMP *

Or, determining PI

<xsl:variable name="PI" select="4.0 * Math:atan(1.0)"/>

where Math is

xmlns:Math="xalan://java.lang.Math"