XML transformation using XSLT and Resin 2.1.11

I have the following problem:
I'm using a servlet to transform the xml files in my web-app to html. The servlet caches the ones transformed results. For each request it checks if there exists a cached result and if the result is based on the most actual xml file version (checking the "lastModified" method of java.io.File that represents the requested file).
This servlet works fine and without any errors.
My web-app also has some other servlets that use the xml transformation to generate a fragment of html code (the menu structure of my "normal" servlets is defined in one xml file for all other files and servlets).
After invoking these servlets (those that use the xml transformation to create their menu) the first described servlet (transformation of requested xml files) is not working "fine" any longer. All it results is the generated header and footer of the page (hard-coded in the XSL file). The complete content is lost.
Any ideas how to solve this problem?
Thanks in advance,
Thof

1. The cache:
The Hashtable is a field of my servlet called XMLTransformerServlet. The cache is not removed or deleted and none of its items is removed or deleted.
As I said: Caching works fine, wonderful, perfectly...
That's definitively not the problem.
2. Thread safety:
I've made all my servlet methods thread safe (just checked this...)
3. About the "anonymous" other servlet type that uses xml transformations:
Some of my servlets use a (thread safe) method to generate a fragment of html code that will show a simple menu structure. Therefore my web-app uses a file called menu.xml - by that way there's only one menu to maintain what makes sure that all my pages get the same menu structure (finally also the xsl file I'm using for "normal" xml transformation imports/includes and interprets this menu.xml).
The (thread safe) method has transforms the menu.xml file using a special xsl file (menu.xsl) and outputs the result to a StringWriter. From this StringWriter I obtain the code-fragment that will be returned by the method.
Before I saw the class StringWriter the first time I've used a temporary file to output the transformation result. Next I red in the file and returned its content.
Finally - this method is working fine and it's always returning the expected data.
4. The problem:
Sorry for repeating this all the time...
What I'm processing:
 - requesting some xml files -> XMLTransformerServlet is invoked and works fine:
   -> doGet checks the resource (if resource doesn't exist HTTP404 will be responded)
   -> doGet checks the caching state for this resource
      a) resource is in cache and no newer version of the File exists -> return cached element
      b) resource is in cache but a newer version exists in the file system -> recache and return newly cached element
      c) resource is not in cache -> cache the resource and return the newly cached element
 - requesting one of the other servlets (those that use xml transformation for menu generation)
   -> servlets invoked work fine
 - requesting a xml file:
   a) current version in cache -> return cached element
   b) no current version in cache -> transform the xml file and cache it
This last transformation of the requested xml file fails.
It is not failing in the sense of "throwing an exception"... it seems to work 100% fine and results a String that could be responded to the browser.
But stupidly it is not working fine...
Maybe (as you wrote) this is a bug (maybe in Resins xml transformation api).
Just thought someone else might have made a similar experience...

Similar Messages

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Hi,
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Error 500: org/apache/xalan/xslt/XSLTInputSource
Here's xsl file
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
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<?xml version="1.0" encoding="ISO-8859-1"?>

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i would think the browser should be able do the transformation itself, rather than having to do this transformation on the server.
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apache.org

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Hi,
I have a scenario where I need to perform an XML to XML transformation and I need to do this using XSLT mapping.
I am using XMLSpy.
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regards,
Prashanth

Hi Prashanth,
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<?xml version="1.0" encoding="UTF-8"?>
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xsl program:
<xsl:stylesheet version = '1.0'
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<xsl:template match="/">
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</xsl:template>
</xsl:stylesheet>
target xml structure:
<?xml version="1.0" encoding="UTF-8"?>
<root>
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Detail1
</detail>
          <detail>
Detail2
</detail>
     </idoc>
     <idoc>
          <detail>
Detail3
</detail>
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</root>
Hope this would help.
Rgds
Sudhakar.

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Hi Friends,
I wish to modify a simple xml to another xml using XSLT, please let me know what are the things i need to know to convert the XML to another XML.
If somebody can give a sample code, it will be great...
I wish to do the following sample conversion of XML
<?xml version="1.0" encoding="ISO-8859-1" ?>
<ROOT>
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</ROOT>so that the results look like below....
<?xml version="1.0" encoding="ISO-8859-1" ?>
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JG

Thanks for your nice reply... do you have a sample code...

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I'm completly new to using XSLT and Java and are trying to convert a XML file into a ordinary Textfile that I am gonna import into another application.
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Just to give you an example to show you how easy it is: http://www.daniweb.com/forums/thread137587.html

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Hi there,
I have a "small" issue with exporting data to an XML file using XSLT.
A two steps process is needed to import data from a non-hierarchical XML file into ABAP, change the data, and then update the XML file with new values. The problem is not trivial, since the format of the XML file is a complex one: there are many interdependent elements on the same level, pointing to each other by using id and ref attributes. Based on these values the data can be read and written into an internal table. I use XSLT and XPath for that. So the inbound process is done and seems to work correctly. I have to mention that the file contains much more data than I need. I am working only with a small part of it.
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Many thanks,
Ferenc
P.S. Please provide me with links only if they are relevant for this very matter. I will not give points for irrelevant postings...

Now the changed data must be exported back into the XML file, meaning that the content of certain elements must be updated. How can this be done with XSLT?
XSLT approach: check these online tutorial
http://www.xml.com/pub/a/2000/08/02/xslt/index.html
http://www.xml.com/pub/a/2000/06/07/transforming/index.html
ABAP approach:
for example you have the xml (original) in a string called say xml_out .
data: l_xml type ref to cl_xml_document ,
        node type ref to if_ixml_node .
create object l_xml.
call method l_xml->parse_string
exporting
    stream = xml_out.
node = l_xml->find_node(
    name   = 'IDENTITY'
   ROOT   = ROOT
l_xml->set_attribute(
    name    = 'Name'
    value   = 'Charles'
    node    = node
(the above example reads the element IDENTITY and sets attribute name/value to the same)
like wise you can add new elements starting from IDENTITY using various methods available in class CL_XML_DOCUMENT
so how do I access the XML file in order to update it?
you have already read this XML into a ABAP variable right?
Sorry couldnt understand your whole process, why do you need to read local XML file?
Raja

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Hi OSB Gurus,
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Thanks for the suggestion. I will try and see. Here are the files:
1. XML Input(Payload):
<?xml version="1.0" encoding="UTF-8"?>
<ODS>
     <LICENSE_TRANSACTION>
          <LIC_TRAN_ID>123</LIC_TRAN_ID>
          <LIC_CAMIS_ID>String</LIC_CAMIS_ID>
          <LIC_NBR>String</LIC_NBR>
          <LIC_STATUS_DATE>2000-01-01</LIC_STATUS_DATE>
          <LIC_ISSUE_DATE>2001-01-01</LIC_ISSUE_DATE>
          <LIC_EXP_DATE>2002-01-01</LIC_EXP_DATE>
          <LIC_INSP_REQ_FLAG>true</LIC_INSP_REQ_FLAG>
          <LIC_LAST_RENW_SNT_DATE>2003-01-01</LIC_LAST_RENW_SNT_DATE>
          <LIC_LAST_RENW_RCVD_DATE>2004-01-01</LIC_LAST_RENW_RCVD_DATE>
          <LIC_FED_TAX_ID>String</LIC_FED_TAX_ID>
          <LIC_NYS_TAX_ID>String</LIC_NYS_TAX_ID>
          <LIC_OPR_HRS_OPN_FROM>14:20:00</LIC_OPR_HRS_OPN_FROM>
          <LIC_OPR_HRS_OPN_TO>15:20:00</LIC_OPR_HRS_OPN_TO>
          <LIC_TEL_NBR>718-123-1234</LIC_TEL_NBR>
          <LIC_EMAIL_ID>String</LIC_EMAIL_ID>
          <LIC_FAX_NBR>718-123-1234</LIC_FAX_NBR>
          <LIC_NBR_OF_SEATS>10</LIC_NBR_OF_SEATS>
          <LIC_ENTITY_CREATE_DATE>2005-01-01</LIC_ENTITY_CREATE_DATE>
          <LIC_TRAN_CHG_DATE>2006-01-01</LIC_TRAN_CHG_DATE>
          <DETAIL>
               <LICENSE>
                    <LIC_TYPE_CODE>String</LIC_TYPE_CODE>
                    <LIC_CAMIS_CODE>String</LIC_CAMIS_CODE>
                    <LIC_CAMIS_CLASS>String</LIC_CAMIS_CLASS>
                    <LIC_CAMIS_SUB_CLASS>String</LIC_CAMIS_SUB_CLASS>
                    <BUR_DESC>String</BUR_DESC>
                    <LIC_CODE_SHORT_DESC>String</LIC_CODE_SHORT_DESC>
                    <LIC_CODE_LONG_DESC>String</LIC_CODE_LONG_DESC>
               </LICENSE>
          </DETAIL>
     </LICENSE_TRANSACTION>
     <STATUS>
          <STATUS_CAMIS_CODE>String</STATUS_CAMIS_CODE>
          <STATUS_SHORT_DESC>String</STATUS_SHORT_DESC>
          <STATUS_DESC>String</STATUS_DESC>
     </STATUS>
     <PREMISES_ADDRESS>
          <ADDR_BLDG_NBR>String</ADDR_BLDG_NBR>
          <ADDR_STREET>String</ADDR_STREET>
          <ADDR_LOCATION>String</ADDR_LOCATION>
          <BOROUGH_DESC>Queens</BOROUGH_DESC>
          <ADDR_CITY>String</ADDR_CITY>
          <ADDR_STATE>String</ADDR_STATE>
          <ADDR_ZIP_CODE>String</ADDR_ZIP_CODE>
          <ADDR_HEALTH_AREA>String</ADDR_HEALTH_AREA>
          <ADDR_HEALTH_CTR_DIST>String</ADDR_HEALTH_CTR_DIST>
          <ADDR_COMMUNITY_DIST>String</ADDR_COMMUNITY_DIST>
          <ADDR_BIN>String</ADDR_BIN>
          <ADDR_BLOCK_NBR>String</ADDR_BLOCK_NBR>
          <ADDR_LOT_NBR>String</ADDR_LOT_NBR>
          <ADDR_ASMBLY_DIST>String</ADDR_ASMBLY_DIST>
          <ADDR_CONGS_DIST>String</ADDR_CONGS_DIST>
          <ADDR_ST_SEN_DIST>String</ADDR_ST_SEN_DIST>
          <ADDR_CTY_COUN_DIST>String</ADDR_CTY_COUN_DIST>
          <ADDR_XCOORDINATE>123</ADDR_XCOORDINATE>
          <ADDR_YCOORDINATE>1234</ADDR_YCOORDINATE>
          <DATEOFBUILDINGBUILT>2010-08-11</DATEOFBUILDINGBUILT>
          <SCHOOLAREA>String</SCHOOLAREA>
          <POLICE>String</POLICE>
          <FIRE>String</FIRE>
          <LOWCROSSSTREET>String</LOWCROSSSTREET>
          <HIGHCROSSSTREET>String</HIGHCROSSSTREET>
          <ISPARK>false</ISPARK>
     </PREMISES_ADDRESS>
     <MAILING_ADDRESS>
          <ADDR_BLDG_NBR>String</ADDR_BLDG_NBR>
          <ADDR_STREET>String</ADDR_STREET>
          <ADDR_LOCATION>String</ADDR_LOCATION>
          <BOROUGH_DESC>Queens</BOROUGH_DESC>
          <ADDR_CITY>String</ADDR_CITY>
          <ADDR_STATE>String</ADDR_STATE>
          <ADDR_ZIP_CODE>String</ADDR_ZIP_CODE>
     </MAILING_ADDRESS>
     <BUSINESS>
          <BUS_TYPE_SHORT_DESC>String</BUS_TYPE_SHORT_DESC>
          <BUS_TYPE_LONG_DESC>String</BUS_TYPE_LONG_DESC>
          <BUS_ID>String</BUS_ID>
          <BUS_TRADE_NAME>String</BUS_TRADE_NAME>
          <BUS_CORP_NAME>String</BUS_CORP_NAME>
          <SITE_TYPE>String</SITE_TYPE>
          <DESCRIPTION>String</DESCRIPTION>
          <WEBSITE>String</WEBSITE>
          <AGE_RANGE>String</AGE_RANGE>
          <BUSINESS_PRINCIPAL>
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                    <BUS_PRNC_CAMIS_ID>124</BUS_PRNC_CAMIS_ID>
                    <BUS_PRNC_TITLE>String1</BUS_PRNC_TITLE>
                    <BUS_PRNC_FULL_NAME>String1</BUS_PRNC_FULL_NAME>
                    <BUS_PRNC_FNAME>String1</BUS_PRNC_FNAME>
                    <BUS_PRNC_LNAME>String1</BUS_PRNC_LNAME>
                    <BUS_PRNC_MNAME>String1</BUS_PRNC_MNAME>
                    <BUS_PRNC_DOB>2004-01-01</BUS_PRNC_DOB>
                    <HOMEPHONE>718-123-1234</HOMEPHONE>
                    <WORKPHONE>718-123-1234</WORKPHONE>
                    <FAX>718-123-1234</FAX>
                    <EMAIL>String1</EMAIL>
                    <CELLPHONE>718-123-1234</CELLPHONE>
                    <NOTES>String1</NOTES>
                    <STARTDATE>2004-01-01</STARTDATE>
                    <ENDDATE>2004-01-01</ENDDATE>
                    <ADDRESS>
                         <ADDR_BLDG_NBR>String1</ADDR_BLDG_NBR>
                         <ADDR_STREET>String1</ADDR_STREET>
                         <ADDR_LOCATION>String1</ADDR_LOCATION>
                         <BOROUGH_DESC>Queens</BOROUGH_DESC>
                         <ADDR_CITY>String1</ADDR_CITY>
                         <ADDR_STATE>String1</ADDR_STATE>
                         <ADDR_ZIP_CODE>String1</ADDR_ZIP_CODE>
                    </ADDRESS>
               </PRINCIPAL>
               <PRINCIPAL>
                    <BUS_PRNC_CAMIS_ID>123</BUS_PRNC_CAMIS_ID>
                    <BUS_PRNC_TITLE>String2</BUS_PRNC_TITLE>
                    <BUS_PRNC_FULL_NAME>String2</BUS_PRNC_FULL_NAME>
                    <BUS_PRNC_FNAME>String2</BUS_PRNC_FNAME>
                    <BUS_PRNC_LNAME>String2</BUS_PRNC_LNAME>
                    <BUS_PRNC_MNAME>String2</BUS_PRNC_MNAME>
                    <BUS_PRNC_DOB>2004-01-01</BUS_PRNC_DOB>
                    <HOMEPHONE>718-123-1234</HOMEPHONE>
                    <WORKPHONE>718-123-1234</WORKPHONE>
                    <FAX>718-123-1234</FAX>
                    <EMAIL>String2</EMAIL>
                    <CELLPHONE>718-123-1234</CELLPHONE>
                    <NOTES>String2</NOTES>
                    <STARTDATE>2004-01-01</STARTDATE>
                    <ENDDATE>2004-01-01</ENDDATE>
                    <ADDRESS>
                         <ADDR_BLDG_NBR>String2</ADDR_BLDG_NBR>
                         <ADDR_STREET>String2</ADDR_STREET>
                         <ADDR_LOCATION>String2</ADDR_LOCATION>
                         <BOROUGH_DESC>Queens</BOROUGH_DESC>
                         <ADDR_CITY>String2</ADDR_CITY>
                         <ADDR_STATE>String2</ADDR_STATE>
                         <ADDR_ZIP_CODE>String2</ADDR_ZIP_CODE>
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               </PRINCIPAL>
          </BUSINESS_PRINCIPAL>
          <BUSINESS_INSURANCE>
               <BUS_WRK_CMP_CARRIER>String</BUS_WRK_CMP_CARRIER>
               <BUS_WRK_CMP_POLICY_NBR>String</BUS_WRK_CMP_POLICY_NBR>
               <BUS_WRK_CMP_EXP_DATE>2004-01-01</BUS_WRK_CMP_EXP_DATE>
               <BUS_DISB_INSU_CARRIER>String</BUS_DISB_INSU_CARRIER>
               <BUS_DISB_INSU_PLCY_NBR>String</BUS_DISB_INSU_PLCY_NBR>
               <BUS_DISB_INSU_PLCY_EXP_DATE>2004-01-01</BUS_DISB_INSU_PLCY_EXP_DATE>
          </BUSINESS_INSURANCE>
     </BUSINESS>
     <RECEIPT>
          <RCPT_PAYOR_NAME>String</RCPT_PAYOR_NAME>
          <RCPT_CASH_FLG>true</RCPT_CASH_FLG>
          <RCPT_REMIT_AMT>123</RCPT_REMIT_AMT>
          <RCPT_APLY_AMT>123.50</RCPT_APLY_AMT>
          <RECEIPT_DETAILS>
               <RCPT_DET_PMT_AMT>123.51</RCPT_DET_PMT_AMT>
               <RCPT_DET_PMT_DATE>2004-01-01</RCPT_DET_PMT_DATE>
               <RCPT_DET_PMT_TIME>20:15:00</RCPT_DET_PMT_TIME>
               <RCPT_DET_PMT_CHK_NBR>1111</RCPT_DET_PMT_CHK_NBR>
          </RECEIPT_DETAILS>
          <RECEIPT_DETAILS>
               <RCPT_DET_PMT_AMT>23.50</RCPT_DET_PMT_AMT>
               <RCPT_DET_PMT_DATE>2004-01-01</RCPT_DET_PMT_DATE>
               <RCPT_DET_PMT_TIME>20:15:11</RCPT_DET_PMT_TIME>
               <RCPT_DET_PMT_CHK_NBR>22222</RCPT_DET_PMT_CHK_NBR>
          </RECEIPT_DETAILS>
     </RECEIPT>
</ODS>
I will post remaining XSLT and output in my next posts.
Thanks for your help.

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An xsql contains an <xsql:insert-request table="aTable">
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</levelone>
Any pointers will be highly appreciated.
- Thanks

Don't you want <xsl:sort select="name"/> rather than <xsl:sort select="@sort"/>?

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Hi,
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XI/PI: Convert Flat File to Deeply Nested XML Structures Using Only Graphical Mapping
Regards,
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How to do 2:1 transformation using XSLT in ccBPM?

Hi,
We have the following ccBPM defined:
A A B A/C D E F
Start---R1---T1---S2---T2---S3---T3---S1---END
R1: Receives Synch XML message A via plain HTTP adapter and opens S/A bridge.
T1: Transforms A into message B using XSLT
S2: Sends message B to a legacy system to do a lookup and gets response C
T2: Transforms A and C into D.
S3: Sends D to another legacy system synchronously and gets response E.
T3: Transforms E to the final response format F
S1: Sends F to the original requestor and close the S/A bridge.
We had created an XSLT style sheet which takes into
consideration of multi-mapping message structure (e.g.
ns0:Messages/ns0:Message1/A and Messages/Message2/C...)
For some reason, the integration process always fails at
Step T2. The only error message we got is:
<b>
Incorrect XML format after mapping: Message expected instead of Catalog
</b>
We went thru all the monitoring/trace tool and could not find any more info on the issue.
I'd really appreciate it if someone can explain the required steps
for designing and configuring n:1 XSLT transformation step.
Thanks in advance
-Simon

Hi Duke,
I still couldn't get it to work. I compared my xsl file
with yours and they look similar. I was able to turn on the
DefaultTrace. The trace log indicated the mapping call was
successful. But no output was generated. No error message
either. Supposedly XI combines two input xml messsages into
a single message to feed into the XSLT, is there away to
trace out this single input message?
Also do two input messages need to be correlated?
thanks again for your help
-Simon

Character encoding problem using XSLT and Tomcat on Linux

Hi,
I have an application running on a Tomcat 4.1.18 application server that applies XSLT transformations to DOM objects using standard calls to javax.xml.transform API. The JDK is J2SE 1.4.1_01.
It is all OK while running on a development enviroment (which is Windows NT 4.0 work station), but when I put it in the production enviroment (which is a red hat linux 8.0), it comes up with some kind of encoding problem: the extended characters (in spanish) are not shown as they should.
The XSL stylesheets are using the ISO-8859-1 encoding, but I have also tried with UTF-8.
These stylesheets are dynamicly generated from a JSP:
// opens a connection to a JSP that generates the XSL
URLConnection urlConn = (new URL( xxxxxx )).openConnection();
Reader readerJsp = new BufferedReader(new InputStreamReader( urlConn.getInputStream() ));
// Gets the object that represents the XSL
Templates translet = tFactory.newTemplates( new StreamSource( readerJsp ));
Transformer transformer = translet.newTransformer();
// applies transformations
// the output is sent to the HttpServletResponse's outputStream object
transformer.transform(myDOMObject, new StreamResult(response.getOutputStream()) );Any help would be appreciated.

Probably you need to set your LANG OS especific environment variable to spanish.
Try adding this line:
export LANG=es_ES
to your tomcat/bin/catalina.sh, and restart tomcat.
It should look like this:
# OS specific support. $var _must_ be set to either true or false.
cygwin=false
case "`uname`" in
CYGWIN*) cygwin=true;;
esac
export LANG=es_ES
# resolve links - $0 may be a softlink
PRG="$0"
.(BTW, keep using ISO-8859-1 encoding for your XSL)
HTH
Un Saludo!

XML transform using XSL

Hi,
I am new to the javax technology.
I have a xml that has data in this format
<?xml version="1.0" encoding="UTF-8"?>
<emps>
<emp>
<empName>Me</empName>
<empAge>23</empAge>
</emp>
<emp>
<empName>You</empName>
<empAge>23</empAge>
</emp>
</emps>Can i convert this to an XML that has tags and data like
<employees>
<employee>
<name>me</name>
<age>23</age>
</employee>
<employee>
<name>you</name>
<age>23</age>
</employee>
</employees>using a XSLT?
thanks,
Dilip

So the only change is changing the element names? Sure you can. Or at least I can. Here's a template that changes an emps element into an employees element and preserves its children:<xsl:template match="emps">
<employees><xsl:apply-templates/></employees>
</xsl:template>Use an identity transformation and put in one of these for each element whose name you want to change.

How to add a textline to an xml structure using xslt

Hi,
I am having a requirement where i need to add a textline to an xml.
scenario: IDOC-File and output format is an xml.
Output should be like this:
&&##AOC0MB000#AD15543390#BOIFCO#Z
<?xml version="1.0" encoding="ISO-8859-1"?>
<messages>
     <batch>0800062844</batch>
     <message>
          <type>VPR</type>
          <action>A</action>
          </body>
     </message>
</messages>
The line that has been added to xml is the data that will be coming from IDOC. How can we append the textline to the xml using xslt.Will document() in xslt works for doing this?

The required format in ur scenario is not an xml format, so u should not save the file in xml format. U may write an adapter module at receiver to achieve this.
How can we append the textline to the xml using xslt
This is not possible as the output of xsl transformation is an xml file.
Regards,
Prateek

XML transformation using XSLT and Resin 2.1.11

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