OSB, DB adapters and complex XML

I'm new to all Oracle middleware products (and it's years since I've written any Java, while I'm being honest), but I've been given the task of taking some existing XML feeds and sticking some of the data in a DB. Well, that's the basic solution I've come up with anyway, and OSB (10.3.1) seems the way to go.
I've seen the JCA DB adapter tutorial at http://www.oracle.com/technology/sample_code/products/osb/index.html - and very good it is too, but I'm wanting to take it a bit further. i.e. do something more complex than a simple 1:1 XML attribute to database column mapping. I want to take the existing XML file that has a relatively complex schema (containing more attributes than we actually need, plus entire sections I want to ignore) and only take the relevant info and put it in the DB table.
The thing is, I don't see any pointers on that, wherever I look on the web. Is it simply a case of hacking around with the xml, xsd, mappings, etc...telling it about the extra fields, and to ignore them...or - given that will probably take quite a while - is there a an easier way using Jdeveloper, Eclipse or something?
Likewise, is there a nice tutorial showing how to create a proxy service and map it to the DB adapter business service? I guess I can figure that out myself, but it's nice to save time and see the 'right' way first...
Any other pointers, before I head off down the wrong path? Good resources, aside from the manuals on here?
Cheers in advance.

If I remember correct, a DB Proxy (JCA proxy using DB adapter) required for cluster deployment , is supposed to use a WSDL specifically generated from JDEV with specific settings.
Ex. I created a db proxy in my development box (Single node OSB domain). The same proxy cannot be deployed in clustered osb domain. The wsdl for db inbound in cluster domain is little different from db inbound in non-cluster env and that has to be created from scratch from JDEV.
I can search my previous mails for the specifics if you should require .
Thanks
Manoj

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kagara wrote:
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Little help with complex XML data as data provider for chart and adg

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Hi,
Please use the code similar to below:
SELECT * FROM DO_NOT_LOAD INTO TABLE IT_DO_NOT_LOAD.
SORT IT_DO_NOT_LOAD by WBS_Key.
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LOOP AT IT_SOURCE_PACKAGE INTO WA_SOURCE_PACKAGE.
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Binding ADF UI to a complex Web Service – Development Productivity, Managing State, Etc.
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In some previous forum threads it had been suggested that using generated data-controls is a “quick and dirty” solution for accessing web services and that a proper solution is to use generated Java Proxy Interface.
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Edited by: wds12518 on Jan 25, 2010 11:49 AM

We have similar issues as our big portion of the UI is based on WS. We found that there is no easy way to map entity object structure to complex XML type (one EO can based on one flat type or domain can't be bound to UI directly). Oracle PMs, is there any better solution or future plans to address this issue?

How to store and retrieve XML messages in AQ using ESB/ BPE

Hello,
I am having a requirement which I feel should be fairly common - store and retrieve XML messages in AQ. However, I am struggling to decide which type of queue to use AQ or JMS...Here is the requirement
1. In an ESB, I want to read different kind of files using file adapter. Different kind as in, having different structure or schema
2. I want to create a queue that is capable of storing any kind of xml data. To this queue, I want to enqueue the message read in step 1.
3. In another process, say a BPEL, I want to dequeue the message and write into a file. The filename is retrieved from one of the header properties. I want to dequeue using a stored procedure, not by using a JMS or AQ Adapter (reason being that these adapters poll the queue, and consume a message immediately. However, I want to consume the message only when there is a business need)
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2. How I should map the xml data read from the file in step 1 to this adapter
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You are right in suggesting that I dont need to store my XML data as xml in the DB...I dont want to too :) but its just that, thats the only option I can see at this time (the other track i am exploring is :
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In this I have hit the roadblock in trying to convert XML to base64binary...maybe some custom java function is needed...anyway)
Coming back to this thread, where I am trying the following
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PS: I think its important for me to mention that I am using SOA 10.1.3.1.0
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I can not use the file adapter as I need to change the file name and destination, and that can not be done by adding own module to its single module.
Any idea how I can achieve what I want?
To only way I can find, is to create a file using the file/ftp adapter, and then pick it up again and treat all the lines as the same structure (one row = one xml field). Then output this new xml message to file, using the JMS adapter and add any modules with name and destination determination.
Appreciate any help!
Regards,
Oeystein Emhjellen

Hello,
Have you tried to use an XSLT mapping within the IE?
I have, at one customer site, created a XSLT message mapping which converts the XML to a fixed length ASCII file format. I than added the XSLT message mapping as a second mapping step on the interface mapping.
In this case I was able to publish a fairly complex fixed length file format to MQ Series via the JMS adapter.
/Johan

Covnert Complex XML to Simple XML tags using Adapter Module

Hi
<buyer>
<fnParty:partyIdentifier partyIdentifier="GER" partyIdentifierQualifierCode="SenderAssigned"/>
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<buyer>GER</buyer>
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Regards
Sowmya

Hi,
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Thanks,
Beena.

Complex xml with multiple namespaces giving LPX-00601: Invalid token error

Hi
Apologies if this is a really simple question.
I have not worked with xml before and I'm drowning in different ways to do the extract.
I have a very complex xml, sample below, which I'm trying to do one siple extract to get myself going.
I have the data in a table in an xmltype column,
I am trying to extract containernumber first and get the error.
select xml_column, extract(xml_column,'/env:Envelope/env:Body/ns0:QueryCntrNumberResponse/ns0:QueryResContainerDetail/ns1:ContainerNumber/ns2:ContainerNumber')
from test_xml;
Not sure if I should use the namespaces and have tried without but results are always NULL
I would really appreciate any pointers around these ultiple namespaces.
Thanks
Nicki
XML Sample
<?xml version="1.0" encoding="UTF-8"?>
<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"
              xmlns:xsd="http://www.w3.org/2001/XMLSchema"
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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              xmlns:ns1="http://com.cargosmart.cargotracking.webservice.common.dto"
              xmlns:ns2="http://com.cargosmart.cargotracking.webservice.basic.dto"
              xmlns:ns3="http://com.cargosmart.cargotracking.webservice.bl.dto"
              xmlns:ns4="http://com.cargosmart.cargotracking.webservice.bkg.dto">
<env:Body>
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        </ns0:QueryCriteria>
        <ns0:ContainerDetail>
          <ns1:ContainerNumber>
            <ns2:ContainerNumber>APZU344693</ns2:ContainerNumber>
            <ns2:ContainerCheckDigit>1</ns2:ContainerCheckDigit>
            <ns2:GrossWeight>
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NOT THE FULL COLUMN

Could I just ask you one more question.
I had already expanded the query to include the repeating sections using xmlsequence.
Has that been replaced too?
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              xmlns:ns0="http://com.cargosmart.cargotracking.webservice.cntr.dto"
              xmlns:ns1="http://com.cargosmart.cargotracking.webservice.common.dto"
              xmlns:ns2="http://com.cargosmart.cargotracking.webservice.basic.dto"
              xmlns:ns3="http://com.cargosmart.cargotracking.webservice.bl.dto"
              xmlns:ns4="http://com.cargosmart.cargotracking.webservice.bkg.dto"') col1,
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from test_xml t1,
table(xmlsequence(extract(t1.xml_column,'/env:Envelope/env:Body/ns0:QueryByCntrNumberResponse/ns0:QueryResult/ns0:ContainerDetail/ns1:Event','xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"
              xmlns:ns0="http://com.cargosmart.cargotracking.webservice.cntr.dto"
              xmlns:ns1="http://com.cargosmart.cargotracking.webservice.common.dto"
              xmlns:ns2="http://com.cargosmart.cargotracking.webservice.basic.dto"
              xmlns:ns3="http://com.cargosmart.cargotracking.webservice.bl.dto"
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Complex xml

I have gone through this with vb and now powershell. I am trying to do this without writing a bunch of granular vb code.
I am trying to read a complex xmlFile (with a schema doc) into tables and then upload those tables into SQL.
When importing to a dataset the table names are off (and all the datarows appear in one table only).
The schema tested valid and the xml tested valid against the schema.......see the end for the results
Schema:
<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
attributeFormDefault="unqualified"
elementFormDefault="qualified"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
<xs:element name="products">
<xs:complexType>
<xs:sequence>
<xs:element minOccurs="0" name="books">
<xs:complexType>
<xs:sequence>
<xs:element minOccurs="0" maxOccurs="unbounded" name="item">
<xs:complexType>
<xs:sequence>
<xs:element minOccurs="0" name="title" type="xs:string" />
<xs:element minOccurs="0" name="pageCount" type="xs:string" />
<xs:element minOccurs="0" name="price" type="xs:integer" />
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element minOccurs="0" name="fruits">
<xs:complexType>
<xs:sequence>
<xs:element minOccurs="0" name="item">
<xs:complexType>
<xs:sequence>
<xs:element minOccurs="0" name="type" type="xs:string" />
<xs:element minOccurs="0" name="color" type="xs:string" />
<xs:element minOccurs="0" name="price" type="xs:string" />
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
My XML
<?xml version="1.0" encoding="utf-8"?>

<products xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="C:\temp\xml\mySchematest.xsd">
<books>
<item>
<title>myFirstBook</title>
<pageCount>300</pageCount>
<price>55</price>
</item>
<item>
<title>mySecondBook</title>
<pageCount>1000</pageCount>
<price>100</price>
</item>
</books>
<fruits>
<item>
<type>orange</type>
<color>orange like</color>
<price>5</price>
</item>
</fruits>
</products>
my PowerShell
clear-host
$dsXml = new-object "System.Data.DataSet"
$dsXml.ReadXmlSchema("C:\temp\xml\mySchemaTest.xsd")
$dsXml.ReadXml("c:\temp\xml\myXmlTest.xml", 'ReadSchema')
Write-Host "Table names in dataset"
Write-Host "======================"
foreach ($table in $dsXml.Tables)
Write-Host $table.TableName
results
ReadSchema
Table names in dataset
======================
books
item
fruits
I expected only 2 tables to be created, each with their attributes.
Instead I got the table "item" with all the attribute names and data
the tables books and fruits simply have one column called books_id or fruit_id with one value of 0 in each.
even if I just read the schema I get 3 table names....
am I supposed to create a granular reader?
help, please!
CS

Both books and fruits contained objects referred to as "item". Instead they should have referred to "book" and "fruit".
When this was done several tables were created including "book" and "fruit" and the columns were populated accordingly.
I am not saying that is right but I am saying that it created the separate tables as desired (both had a common column name called "price" that was not linked.
Basically, it worked.
I think I can change the schema to have multiple types and assign those types to books and fruits so they can share the same subtype info but have not tested that.
If an XML wiz knows better please update this thread. Here is the final XML, the schema was similarly changed:
<?xml version="1.0" encoding="utf-8"?>
<products xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="C:\temp\xml\mySchematest.xsd">
<books>
<book>
<title>myFirstBook</title>
<pageCount>300</pageCount>
<price>55</price>
</book>
<book>
<title>mySecondBook</title>
<pageCount>1000</pageCount>
<price>100</price>
</book>
</books>
<fruits>
<fruit>
<type>orange</type>
<color>orange like</color>
<price>5</price>
</fruit>
</fruits>
</products>

Complex xml in tree control

every example you see online is trivial and utterly useless
for practical programming purposes...typically you'll see something
like this:
<mx:XML format="e4x" id="myMenuModel">
<root label="Menu">
<menuitem label="MenuItem A">
<menuitem label="SubMenuItem 1-A"/>
<menuitem label="SubMenuItem 2-A" />
</menuitem>
<menuitem label="MenuItem B"/>
<menuitem label="MenuItem C" type="check"/>
<menuitem type="separator"/>
<menuitem label="MenuItem D">
<menuitem label="SubMenuItem 1-D" type="radio"
groupName="one"/>
<menuitem label="SubMenuItem 2-D" type="radio"
groupName="one"/>
<menuitem label="SubMenuItem 3-D" type="radio"
groupName="one"/>
</menuitem>
</root>
</mx:XML>
...just hard coded simplistic xml which is fine and dandy if
you have a simple xml schema and all the leaves of your tree can be
keyed off the same "label" attribute. But what if you have a
complex, deeply nested XML file that doesn't follow this nice
pattern? What if I want to pull different attributes from different
levels in the tree to display, is that even possible? Or what if I
dont want to use the attribute at all for my display label in the
tree, what if I want to use an element node name? Like for example,
say I had:
<department label="marketing">
<employee name="Eric Cartman" Age="8">
<interest>
<type>food</type>
<name>cheesiepoofs</name>
</interest>
<interest>
<type>pets</type>
<name>mr. kitty</name>
</interest>
</employee>
Is there a way I can build my tree to use the department
'label' attribute for the top level, the employee 'name' attribute
for the second level and the <type> element nested under
<interest> for the third level?
I confess I'm a Flex newbie but any other language I've
worked provides a mechanism to tailor this sort of thing to
individual business cases. Any insight would be greatly
appreciated.
thank you.
S

Another approach is parse your complex xml into objects and
then create your own
tree datadescriptor. This is described in the help. Search on
"custom tree datadescriptor"
We use this approach because the xml we want to display in a
tree does not fit nicely. So we wrote a parser that converts the
xml into "TreeObjects" (our class) and created the custom tree
datadescriptor to handle it. When we create the tree object we can
control the data used for the label so it displays correctly.

How to invoke an OSB Proxy of type "Any XML Service"

I built some proxy services as "Any XML Service" which route to some other business services.
I have tested these proxies using the debug console and they work fine. The question is, how do I invoke these services from outside de OSB? They recive an xml (duh) ...anyway, i have tried invoking them from a url passing the xml as the "body" parameter as follows:
http://host:port/myproject/anyXmlServices/aservice?body=<myxml>test</myxml>
not shure if this should work... how should I nvoke these services?
thanks in advance
Jhosue

Hi Jhosue,
before answer your queries can you please provide few info for the below mention queries.
1>While creating Proxy Service what protocol you have selected in "Transport Configuration" page?
2>If its HTTP, you need to specify some meaningful service name as "Endpoint URI".so that case the URL would like "http://host:port/serviceName"
3>if the protocol is not HTTP/HTTPS, then you cant invoke the proxy via URL from outside.
Note:
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If its GET..then u cant pass xml with the URL,instead of that you need to construct a URL string.
If its POST you can post bulk xml,that too using Client program.
Thanks
Deba

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Hi,
My Xquery fucntion is shown below:
It accepts 4 string parameters and an XML element i.e., $Message which is an XML element(request coming to the service) and i need to log all this information to a log file.
I am using the below concat fucntion to get a concatenated string of all the parameters but, for $Message i m not able to get the XML payload. How to achieve the same in the Xquery?
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<payload>
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<bb>two</bb>
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</payload>
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$Context as xs:string,
$Annotation as xs:string,
$Message as element(*))
as xs:string {
concat("Name = ",$Name," , ","Id = ",$id," , ","Message Context = ",$Context," , ","Annotation = ",$Annotation," , ","Event Message = ", data($Message/@* , $Message/node()))
I am trying to achieve the following log:
Name = xyz, Id = 111, Message Contact = abc, Annotation = ggg, Event Message = <payload>
<aa>one</aa>
<bb>two</bb>
<cc>three</cc>
</payload>
How can i achieve the same. Please suggest.
Thanks in advance.
Edited by: user9223904 on Mar 18, 2013 3:16 AM

Hi,
You have to use a serialization function to convert the element instance to a string.
Such functionality is not included in the XQuery standard but many implementors provide an extension to do so.
For example, in OSB, you can use <tt>fn-bea:serialize()</tt>.
What's your environment and XQuery engine?

DEBMDM06 based Idocs: Simple XML Vs Complex XML

The idocs we extracted from ECC "mdmc" Tcode based on DEBMDM type. Are they simple XML or Complex XML?? because we operate on AIX and according to IM referecne guide AIX does not support Complex XML via Import server

Ok, it is not Complex type, based on Reference guide, and also couple of other posts!.

Complex XML import

Hello,
I am faced with the task of importing a rather complex (about 50-60 tables, tree depth about 5-6, data in both attrs and nodes) XML tree into a relational schema (non-nested tables).
I have understood that the XSU/XMLSAVE is not that fond of attributes and stores sub-types as objects(?) so it's not an "out-of-the-box-solution". Is it worth trying to write XSL for it or should I just read the DOM-tree and iterate over it manually and store it? Are there any other alternatives?
Thanks in advance,
-Nik

Nicklas, do you need to insert into an existing relational schema?
If not, you could use XML Db's option to create an object-relational schema based on the XML-schema definition of your XML.
Load your xml-document into the XML-type table and the data gets loaded in the underlying object-relational schema. You can define vies on this object-relational schema for simple access.
Btw., if yes, then you could do the same en use simple SQL to move you data to the final tables.

OSB, DB adapters and complex XML

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