Subject: [xsl] Multiple requests with variable number of parameters From: "Siarhei Biarozkin" <sberyozkin@xxxxxxxxxx> Date: Thu, 2 May 2002 10:59:10 +0100 |
Hello, I need to process servlet requests where the first parameter specifies a command, and remaining ones - parameters for that command, each command might have different number of parameters for example : /servlet?cmd=showFile&fileID=1 /servlet?cmd=setPipLabel&pipID=1&text=BBC1 Stylesheet must convert these requests into a device-specific format, for ex, /servlet?cmd=showFile&fileID=1 shoud produce "Z_ShowFile 1\r>". This is my solution ( input processing is shown only ): device.xsl (the result of this transformation is processed by an application ): <xsl:stylesheet ...> <xsl:variable name="cmdRequest"/> <!-- other variables --> <xsl:template match="/"> <cmd> <in> <xsl:value-of select="$cmdRequest"> <!-- this is what all requests for this device end with --> <xsl:text>
></xsl:text> </in> <!-- other elements --> </cmd> </xsl:template> </xsl:stylesheet ...> Each servlet request's cmd parameter is mapped to a stylesheet with the same name showFile.xsl : <xsl:stylesheet ...> <xsl:import href="device.xsl"/> <xsl:variable name="fileID" select="1"/> <!-- thios defines a mapping--> <xsl:variable name="cmdRequest" select="concat('Z_ShowFile ', $fileID)"/> </xsl:stylesheet ...> setPipLabel.xsl : similar to showFile.xsl; What I don't like about this is that if 50 requests need to be processed, than 50 command-specific stylesheets need to be created; I need to create 50 javax.transfrom.Templates, even though it is device.xsl which performs the real job. Also it's quite fragile, in that each command must have a corresponding file named identically to its name. Is there a better solution for this scenario ? Thanks ! Siarhei Biarozkin XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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