Write XML using XPath

Hi,
I have a problem. I need to WRITE a XML using XPath.
Supose that XPath String : "/clients/client/name"
Equivalent XML :
<clients>
<client>
<name></name>
</client>
<clients>
Please, helpme ...
The XPath Strings are dinamic, there are lot of combinations.
Is there an API (free ?) that support this ?
Thankz

Normally XPath is used for searching existing XML documents, not for creating new ones. So it's unlikely that anything exists to do what you ask. But not impossible, people do the strangest things. Have you searched Google?
Of course you realize you can't use arbitrary XPath expressions here, for example what would you do with a predicate?

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Count multiple nodes in XML using xPath

Hi',
How to count the CUSTSERIAL node in the below XML using xPath.
<missingICCRec>
<MissingField xmlns="http://www.Google.com/MissingFields/v1.0">
<CUSTSERIAL xmlns="http://Google.com/InboundService">23809002RN</CUSTSERIAL>
<CUSTSERIAL xmlns="http://Google.com/InboundService">23809003RN</CUSTSERIAL>
<CUSTSERIAL xmlns="http://Google.com/InboundService">23809004RN</CUSTSERIAL>
</MissingField>
</missingICCRec>
Thanks
Yatan

Yatan,
I created a simple BPEL with assign to count the node. Using ora:countNodes() function is throwing exception but when i tried with count() it works.
XSD seems to be valid. Only you need to have the function as below.
count(bpws:getVariableData('inputVariable','payload','/client:process/client:missingICCRec/client:MissingField/client:CUSTSERIAL'))
XSD Used:
<?xml version="1.0" encoding="UTF-8"?>
<schema attributeFormDefault="unqualified" elementFormDefault="qualified"
targetNamespace="http://xmlns.oracle.com/PIMtoRPASAmendment/BPLENodeCount/BPLENodeCount"
xmlns="http://www.w3.org/2001/XMLSchema">
<element name="process">
<complexType>
<sequence>
<element name="missingICCRec">
<complexType>
<sequence>
<element name="MissingField">
<complexType>
<sequence>
<element name="CUSTSERIAL" maxOccurs="unbounded" type="string"/>
</sequence>
</complexType>
</element>
</sequence>
</complexType>
</element>
</sequence>
</complexType>
</element>
<element name="processResponse">
<complexType>
<sequence>
<element name="result" type="string"/>
</sequence>
</complexType>
</element>
</schema>
This works !!!
Please let me know if this helps.
Thanks,
Vijay

Read xml using xpath in java

Hi ALL,
I have a xml as follows:
<AAA>
<BBB>
<CCC>xyz</CCC>
<DDD>abc</DDD>
</BBB>
</AAA>
Now using any of the java class, i just need read the value of "CCC" as follows:
(i.e using xpath i need to read the value)
String val = x.somemethod("/AAA/BBB/CCC");
Thanks!

In case you're curious - here's the dom4j equivalent of dvohra09's sample code.
SAXReader saxReader = new SAXReader("org.apache.xerces.parsers.SAXParser");
Document doc = saxReader.read(source); //Where source is your file, input source, input stream, reader, or url
String value = doc.valueOf("//AAA/BBB/CCC"); //Result given the xml from OP = 'xyz'OK - not much difference with this simple example but if you haven't settled on an API, dom4j is worth looking at (IMHO).
∞ brewman ∞

Creating New XML using xPath

Hi,
I wanted to know if an XML Document created in the Database using xPaths. I mean, I don't want to creat any XML file on the OS in the first place. I want to create an XML using a table containing xPaths. Can this be done in XDB ?
Thanks in Advance,
Piyush

Hi Piyush
I don't see how you can create a XML document via xpath!?!? xpath it's only used to reference data in an XML document...
Chris

Creating XML using XPath

Hello,
I want to creat XML document using Dom and XPath, as per my knowledge goes I can't create it using XPath {I may b wrong, if I am then pls tell me know :-) }.
If there doesn't exists any thing like this I am thinkin of wrapping a class {say its XPathProcesserDom} which takes the XPath querry and internaly creates XML Document and returns on request. Is this a good idea :-)
waiting for comments :-)....
thanks and regards,
MaheshPujari

Hi Piyush
I don't see how you can create a XML document via xpath!?!? xpath it's only used to reference data in an XML document...
Chris

How to remove elements/attributes from XML using Xpath in XSLT ??

Hello ,
Is there anyway or method of Xpath from which I can delete the elements and attributes from XML at runtime ??
Like I have such XML and I have to remove per attribute highlighted below
<person per="and">
<e:emp a="ir" b="ad" >
</e:emp>
</person>
And want a result like this
<person>
<e:emp a="ir" b="ad" >
</e:emp>
</person>
Thanks

To achieve this you can use the bpelx:remove function: http://download.oracle.com/docs/cd/E12483_01/integrate.1013/b28981/manipdoc.htm#CIHJBJFD
your assign will look like:
<bpel:assign>
<bpelx:remove>
<target variable="person" query="/person/@per" />
</bpelx:remove>
</bpel:assign>
Regards,
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Upload xml using xpath when data in scattered in different tags

Hi,
My problem is "I have to upload a big XML File into a relational master child model of hierarcy=5,but the struture of the xml is not as per the Data Model".I am using the xpath approach in PL/SQL because there is no other way I can get this done.Can you tel me how can I do this effeciently using this approach.Secondly,How can I increase the performance in this scenarion ?
Thanks a Lot !!!

Hi Marco,
Thanks for your advice.
Please tel me how canI use Xmltype view to come out of this problem.As I already mention that the xml tree is not per the Data model and the nodes name is also differenr so how can I do this.I don't know java but can handle pl/sql.
Thanks !! Waiting for further advice.

Displaying XML using XPath expressions

Hi. I have a XML file which looks something like this:
<?xml version="1.0"?>
<SAQ>
<question id="1">
What does UML stand for?
<answer id="1" correct="yes">
Unified Modelling Language
<explanation>
Explanation
</explanation>
</answer>
<answer id="2" correct="no">
United Modelling Language
<explanation>
Wrong
</explanation>
</answer>
</question>
I want to just display the Question, not the child Answer and Explantion nodes under it, but when I use:
<c:set var="temp" value="1" />
<x:out select="$doc//SAQ//question[@id = $temp]" />
it displays:
What does UML stand for? Unified Modelling Language Explanation United Modelling Language Wrong
How do I just display the parent question node and not its child answer and explanation nodes?
Thanks!

use the text() xpath function it should work:
<x:out select="$doc//SAQ//question[@id = $temp]/text()" />

Insert Node into XML using XPATH

Hi,
I'm having problems inserting a node into a XML. After getting some attributes from the CRC result i'd like to store them in a temp xml variable.
After that the parent node of the attributes should be inserterd in a goal XML with a repeating node structure.
Whats the right way to set a node to a certain position in the goal XML?
Now the only thing i'm getting is erros about transaction:
Caused by: javax.resource.ResourceException: Transaction is not active: tx=TransactionImple < ac, BasicAction: a307d1e:fd15:4d35c503:1351f50 status: ActionStatus.ABORT_ONLY >
at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectio nManager.java:304)
at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnec tionManager2.java:396)
Etc..
Thx!

You can always append new nodes which has a unique tag name (this won't get overwritten).
Which means, each time when you add a node, it should have tag name which has not already present within the same parent node.
Later you can replace the tag name with the actual name by using XSL transformations.
I've tried this in one of my project and worked fine.
Nith

Retrieve records based on condition from xml using XPATH

Hi all,
I have a table form_content where there are two columns - form_content_id (numeric) and xml_content (clob). The structure of xml_content is
<RAF xmlns="http://www.abnamro.com/WCS/GCEG/KRT">
<XBorderRAF>
<ClientProfile isBranch="1" isBusinessAddressDifferent="1" isSubsidiary="0" regDate="2009-09-01">
<RegisteredAddress city="test" country="GB" nameOfContactPerson="3454545" street1="test" telephoneNumber="34534545"/>
</ClientProfile>
</XBorderRAF>
</RAF>
I want to retrive all form_contant_id from form_content table where country is 'GB' inside RegisteredAddress tag.
I am able to retrive all form_content_id with country value using below query,
SELECT form_content_id,
extractValue(xmltype(xml_content),'/RAF/XBorderRAF/ClientProfile/RegisteredAddress/@country', 'xmlns="http://www.abnamro.com/WCS/GCEG/KRT"')
as registerAddress
from
form_content
but I am finding it difficult to reterive records based on any condition..
SELECT form_content_id,
extractValue(xmltype(xml_content),'/RAF/XBorderRAF/ClientProfile/RegisteredAddress/@country', 'xmlns="http://www.abnamro.com/WCS/GCEG/KRT"')
as registerAddress
from
form_content
where
(extractValue(xmltype(xml_content),'/RAF/XBorderRAF/ClientProfile/RegisteredAddress/@country', 'xmlns="http://www.abnamro.com/WCS/GCEG/KRT"')='GB'
Please help me to resolve this problem. ....
Thanks

Ok, thaks to all who looked this query, I found the answer
select form_content_id
from xmltest
where existsnode(xmltype(xml_content), '/RAF/XBorderRAF/ClientProfile/RegisteredAddress[@country="GB"]','xmlns="http://www.abnamro.com/WCS/GCEG/KRT"') = 1;

Xml loading using xpath in pl/sql

Hi,
I am loading xml using xpath query bu i am stucked here.I am not able to pass the loop counter "I" into the query.Please help.
The problem is in line " 13 FROM xml_table,table(XMLSequence(extract(OBJECT_VALUE, '/BIF/SBI/SBC/flag'))) li;
" in the below block
1 declare
2 SBI_count pls_integer;
3 begin
4 select count(*)
5 into SBI_count
6 from xml_table,table(XMLSequence(extract(OBJECT_VALUE, '/BIF/SBI') ) );
7 dbms_output.put_line( 'SBI_count '||SBI_count );
8 for I in 1..SBI_count
9 LOOP
10 INSERT INTO Subclass_Date_Flags( Subclass_Id,
11 subclass_date_flags_8 )
12 SELECT 'SID',extractvalue(VALUE(li), '//flag')
13 FROM xml_table,table(XMLSequence(extract(OBJECT_VALUE, '/BIF/SBI[I]/SBC/flag'))) li;
14 dbms_output.put_line( 'Row '||SQL%ROWCOUNT );
15 END LOOP;
16 commit;
17* end;
SQL> /
SBI_count 2
Row 0
Row 0
PL/SQL procedure successfully completed.

Try this code, just keep a reference to your root node so you can keep appending children to it:
DECLARE
xmlDoc xmldom.DOMDocument;
xmlNode xmldom.DOMNode;
xmlNode1 xmldom.DOMNode;
xmlElem1 xmldom.DOMElement;
xmlElem2 xmldom.DOMElement;
xmlText xmldom.DOMText;
CURSOR cur_emp IS
SELECT *
FROM emp;
--WHERE empno = 7369;
row_emp emp%ROWTYPE;
BEGIN
xmlDoc := xmldom.newDOMDocument;
xmlNode := xmldom.makeNode(xmlDoc);
xmlElem1 := xmldom.createElement(xmlDoc,'root');
xmlNode := xmldom.appendChild(xmlNode,xmldom.makeNode(xmlElem1));
OPEN cur_emp;
LOOP
FETCH cur_emp INTO row_emp;
EXIT WHEN cur_emp%NOTFOUND;
xmlElem2 := xmldom.createElement(xmlDoc,'name');
xmldom.setAttribute(xmlElem2, 'empno',TO_CHAR(row_emp.empno));
xmlNode1 := xmldom.appendChild(xmlNode,xmldom.makeNode(xmlElem2));
xmlText := xmldom.createTextNode(xmlDoc,row_emp.ename);
xmlNode1 := xmldom.appendChild(xmlNode1,xmldom.makeNode(xmlText));
END LOOP;
CLOSE cur_emp;
xmldom.writeToFile(xmlDoc,'c:\xmltest1.txt');
END;
null

C++ sample code using XPATH

Need to navigate an XML and extract xml nodes using XPATH expressions in C++ Application.
Please send us a C++ code sample using Oracle 9.2.0.3 XPATH API functions to extract an XML using XPATH expression.
Thanks
Shiva

Hi,
Where i can find this path "$XDK_HOME\xdk\demo\c\xslt"
thanks in advance
shashi.

How to write xml

I'm a bit of a newbie to xml so apologies if I am going over old ground. I am trying to find the most productive way to write xml, every time I try and create an xsd from my file it keeps throwing up lots of validation errors, can anyone recommend the best way, by this i mean fastest and most time saving way to write xml using software to check my work as I type, does such a thing exist? thanks in advance for your replies.

to answer your question, yes you can use software to make the job easier, most professional programmers would typically use something called an 'xml editor' for this kind of work, the one I use is [Liquid XML Editor|http://www.liquid-technologies.com/xml-editor.aspx] because it's cheap, you can get more expensive ones but it's all down to what you want it to do. However if you are having issues writing valid xml I would probably suggest you have a look at the [W3 website|http://www.w3.org] which covers all the standards for xml and [W3 schools |http://www.w3schools.com] which is basically an online resoure of learning materials for xml. There's a fairly good review site of xml editors here [http://www.xml-editors.info|http://www.xml-editors.info]

Read XML using DB Link

Gurus,
Is it possible to read/write XML using DB Link?
If yes please let me know how to achieve this.
Thanks in Advance.
Venu

You need to use quoted names. SQL Server data dictionary stores names in same case they were entered while Oracle in upper case. So when you issue
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Conditions using xpath in Receiver determination

How to write conditions using xpath in receiver determaination. Please provide few examples.
Regards,
Suresh.

hi
Defining Conditions
You also have the option of specifying the conditions to be applied when forwarding a message to the receiver(s) in a receiver determination.
Generally, a condition relates to the contents of a message; if a specified condition is fulfilled for a particular payload element (the corresponding element has a certain value, for example), then the message is forwarded to the specified receiver(s).
● If you want to specify a new condition for forwarding the message to a receiver, in the table in the Display/Edit Receiver Determination editor in the Configured Receivers frame, choose Insert New Condition () and call the condition editor by using the input help ().
● If you want to specify a new condition for forwarding the message to multiple receivers, in the table in the Display/Edit Receiver Determination editor in the Configured Receivers frame, choose Insert Line After Selection ( ) and call the condition editor by using the input help ().
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check the link below
http://help.sap.com/saphelp_nw04/helpdata/en/67/49767669963545a071a190b77a9a23/content.htm
note:reward points if solution found helpfull.....
regards
chandrakanth.k

Write XML using XPath

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