Subject: [xsl] XSLT Merge question From: David Carver <d_a_carver@xxxxxxxxx> Date: Thu, 26 Jun 2003 07:24:02 -0700 (PDT) |
Here is something I've been trying to work out. I need an XSLT that will take a struts.xml file, find the matching tags in another xml file, and if it finds a match replace it with the other xml tags. I've got this part working, the kicker is that if there are any additional tags in the existing XML file that these must still be kept. i.e. if the an action tag in the struts xml file has 6 forward tags with it and it's matching tag in the other file only has two, the two forward tags must be copied in, and the other 4 forward tags must be kept. I know I'm close, but have run into a wall. Here is the base XSLT I'm using to copy the external action tag into the new XML file: <?xml version="1.0"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output method="xml"/> <xsl:template match="/"> <xsl:apply-templates /> </xsl:template> <xsl:template match="*|@*|comment()|processing-instruction()|text()"> <xsl:choose> <xsl:when test="action != ''"> <xsl:apply-templates select="action"/> </xsl:when> <xsl:otherwise> <xsl:copy> <xsl:apply-templates select="*|@*|comment()|processing-instruction()|text()"/> </xsl:copy> </xsl:otherwise> </xsl:choose> </xsl:template> <xsl:template match="action"> <xsl:choose> <xsl:when test="@path = document('struts-config_new_variables01.xml')//action/@path"> <!-- Copy the value where @path = document()//action/@path --> <xsl:variable name="pathvalue"><xsl:value-of select="@path" /></xsl:variable> <xsl:copy-of select="document('struts-config_new_variables01.xml')//action[@path = $pathvalue]"/> </xsl:when> <xsl:otherwise> <xsl:copy-of select="." /> </xsl:otherwise> </xsl:choose> </xsl:template> </xsl:stylesheet> Here is a sample of the tags I'm trying to match from the struts.xml file: <action path="/CopytoUpdate" type = "cmsapplication.application.web.CopytoUpdateAction" name="copytoCopytoForm" scope="request" input="/CopytoMaintChange.jsp?altura.action=Update"> <forward name="success" path="/CopytoStore.do" redirect="false" /> <forward name="failure" path="/cmsCopytoMaintChange.jsp?altura.action=Update" redirect="false" /> <forward name="contextError" path="/CopytoBrowse.do" redirect="false" /> <forward name="CopytoDelete" path="/CopytoDelete.do" redirect="false" /> <forward name="CopytoStore" path="/CopytoStore.do" redirect="false" /> <forward name="validationfailure" path="/CopytoSelect.do" redirect="false" /> <!-- Use Default Component for SelectList: Grpcpt --> <forward name="GrpcptSelectList" path="/GrpcptSelectList.do" /> <forward name="RemoveCopytoGrpcpt" path="/CopytoGrpcptRemoveDown.do" /> <!-- Use Default Component for SelectList: State --> <forward name="StateSelectList" path="/StateSelectList.do" /> <forward name="StateRemoveUp" path="/CopytoStateRemoveUp.do" /> <!-- Use Default Component for SelectList: Country --> <forward name="CountrySelectList" path="/CountrySelectList.do" /> <forward name="CountryRemoveUp" path="/CopytoCountryRemoveUp.do" /> </action> Here is the external file that I need to use an update for the Action tag: <action path="/CopytoUpdate" type = "cmsapplication.application.web.CopytoUpdateAction" name="copytoCopytoForm" scope="request" input="/cmsCopytoMaintChange.jsp?altura.action=Update"> <forward name="failure" path="cmsCopytoMaintChange.jsp?altura.action=Update" redirect="false" /> <forward name="validationfailure" path="cmsCopytoMaintChange.jsp?altura.action=Update" redirect="false" /> </action> What I need to happen is to update the Action tag, and the two forwards, but also keep the other forwards that aren't in the external file. I've tried switching to the following xslt, but I'm not getting the results I thought I would (i've used XML Spys debugger to step through it). <?xml version="1.0"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output method="xml"/> <xsl:template match="/"> <xsl:apply-templates /> </xsl:template> <xsl:template match="*|@*|comment()|processing-instruction()|text()"> <xsl:choose> <xsl:when test="action != ''"> <xsl:apply-templates select="action"/> </xsl:when> <xsl:otherwise> <xsl:copy> <xsl:apply-templates select="*|@*|comment()|processing-instruction()|text()"/> </xsl:copy> </xsl:otherwise> </xsl:choose> </xsl:template> <xsl:template match="action"> <xsl:choose> <xsl:when test="@path = document('struts-config_new_variables01.xml')//action/@path"> <!-- Copy the value where @path = document()//action/@path --> <xsl:variable name="pathvalue"><xsl:value-of select="@path" /></xsl:variable> <xsl:copy-of select="document('struts-config_new_variables01.xml')//action[@path = $pathvalue]"/> </xsl:when> <xsl:otherwise> <xsl:copy> <xsl:apply-templates select="*|@*|comment()|processing-instruction()|text()"/> </xsl:copy> </xsl:otherwise> </xsl:choose> </xsl:template> <xsl:template match="forward"> <xsl:copy> <xsl:apply-templates select="*|@*|comment()|processing-instruction()|text()"/> </xsl:copy> </xsl:template> </xsl:stylesheet> ===== "The difference between fiction and reality is that fiction has to make sense." - Tom Clancy XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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