Exchange XML document containing serialized DDIC objects

Hi,
Suppose you have an itab "z_table" with generic linetype. The table may contain any ddic structure or table.
Furhter you want to exchange the itab "z_table" between the Systems A and B using XML.
We are using the following code to serialize the itab "z_table" in system A:
DATA: g_ixml TYPE REF TO if_ixml,
 g_stream_factory TYPE REF TO if_ixml_stream_factory,
 g_encoding TYPE REF TO if_ixml_encoding,
 ostream TYPE REF TO if_ixml_ostream.
CONSTANTS: encoding TYPE string VALUE 'utf-8'.
g_ixml = cl_ixml=>create( ).
g_stream_factory = g_ixml->create_stream_factory( ).
g_encoding = g_ixml->create_encoding(
 character_set = encoding
 byte_order = 0 ).
ostream = g_stream_factory->create_ostream_xstring( string = ex_xml_string ).
ostream->set_encoding( encoding = g_encoding ).
CALL TRANSFORMATION id_indent
 SOURCE z_table = z_table
 RESULT XML xml_string
 OPTIONS data_refs = 'heap'
 xml_header = 'full'.
And the following code to deserialize the itab in system B:
CALL TRANSFORMATION id_indent
 SOURCE XML xml_string
 RESULT z_table = z_table.
The serialization in System A creates an XML document containing <dic:z_structure> tags. If you now try to deserialize this document ("z_table")
in System B, the deserialization fails in case z_table contains DDIC structures which are not known in system B.
Is there any way to have the definition (e.g. type + length) of those ddic structures included in the XML document, so that
a deserialization is possible even if the ddic structure is not known in system B? e.g. Rendered into a XML scheme, or directly as an
attribute into the <dic:..> tag for instance?
Any ideas are appreciated..
Best regards,
Georg

Hello Raja,
many thanks first for your answer. I tried the FM and got a table with the definition details I want.
Unfortunately, I'm not really sure, how to continue working with the definition details. There are still some questions open:
- How do I proficient include these table details into my xml with my original table z_table? Would it be possible to include the table details in a way, that a "call transformation" can easily deserialize my z_table with this table details?
- How do I convert the lt_dfies table definition details back to a ddic object that I can use? Can this be done in memory only, so that I don't have to create real ddic objects on the target system?
Many thanks and kind regards, Oliver

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This program exports an internal table to an XML file.
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Export an internal table to XML document *
NO BORRAR ESTE CODIGO *
REPORT ZPRUEBA_MML_13.
PANTALLA SELECCION *
 PARAMETERS: GK_RUTA TYPE RLGRAP-FILENAME.
PANTALLA SELECCION *
TYPE TURNOS *
TYPES: BEGIN OF TURNOS,
 LU LIKE T552A-TPR01,
 MA LIKE T552A-TPR01,
 MI LIKE T552A-TPR01,
 JU LIKE T552A-TPR01,
 VI LIKE T552A-TPR01,
 SA LIKE T552A-TPR01,
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TYPE TURNOS *
TYPE SOCIO *
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 TURNOS TYPE TURNOS,
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START-OF-SELECTION.
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END-OF-SELECTION.
END OF SELECTION *
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CLEAR ACCESOS.
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 'T2' TO ACCESOS-SOCIO-TURNOS-MA,
 'T3' TO ACCESOS-SOCIO-TURNOS-MI,
 'T4' TO ACCESOS-SOCIO-TURNOS-JU,
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FORM DESCARGA_XML.
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 DOCUMENT = M_DOCUMENT
EXCEPTIONS
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IF SY-SUBRC = 0.
 WRITE 'Ok'.
ELSE.
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 WRITE 'Ok'.
ELSE.
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 WRITE 'Ok'.
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LOOP AT IT_XML INTO XML_TAB-D.
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ENDLOOP.
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TABLES
 DATA_TAB = XML_TAB
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IF SY-SUBRC <> 0.
 MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
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ENDIF.
ENDFORM.
FORM DESCARGA_XML *
Thanks & regards
Sreenivasulu P

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Hi,
This is my Servlet code..............
package PW.Feed;
import java.io.*;
import javax.xml.parsers.*;
import org.w3c.dom.*;
import org.xml.sax.*;
import javax.xml.transform.*;
import javax.xml.transform.dom.*;
import javax.xml.transform.stream.StreamResult;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
import java.util.*;
public class PrintDom extends HttpServlet
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 Connection Conn=null;
 Statement stmt=null,stmt1=null;
 ResultSet rs1=null,rs=null;
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 Vector myVector1=new Vector();
 Vector myVector2=new Vector();
 String strSql="";
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 out=res.getWriter();
 try
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 rootFieldElem.appendChild(eleJournlistID);
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 if((rs.getString("JOURNALIST_ID")).length()>0) eleJournlistID.appendChild(doc.createTextNode(rs.getString("JOURNALIST_ID")));
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 eleIspdf.setAttribute("fieldName","ISPDF");
 if((rs.getString("ISPDF")).length()>0) eleIspdf.appendChild(doc.createTextNode(rs.getString("ISPDF")));
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 String[] arrCodes=getKeyCodes(rs.getString("ARTICLEID"));
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 String[] myArray1=new String[count1];
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 int count2 = myVector2.size();
 String[] myArray2=new String[count2];
 myVector2.copyInto(myArray2);
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 eleKeyword.setAttribute("CodeType",myArray2[j]);
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 artElem.appendChild(rootKeyElem);
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 StringWriter rw=new StringWriter();
 Result result = new StreamResult(rw);
 //Result result = new DOMResult();
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 Transformer xformer = TransformerFactory.newInstance().newTransformer();
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 out.println(rw);
 catch (ClassNotFoundException e)
 out.println("Unable to load Driver Class" + e);
 return;
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 catch (SQLException se)
 out.println(se);
 catch (Exception e)
 out.println(e);
finally{
 try{
 if(Conn!=null) Conn.close();
 catch(SQLException ignored){}
 public String[] getKeyCodes(String strArticleId)
 Vector myVector=new Vector();
 myVector1.removeAllElements();
 myVector2.removeAllElements();
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 rs1=stmt1.executeQuery(strSql1);
 String strCodes="";
 while(rs1.next())
 myVector.add(rs1.getString("codeid"));
 myVector1.add(rs1.getString("longname"));
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 out.println(se);
 int count = myVector.size();
 String[] myArray = new String[count];
 myVector.copyInto(myArray);
 return myArray;
..................Thanx

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<Source PseudoCityCode="A2PB"/>
</POS>
</TravelItineraryAddInfoRQ>";
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware( false );
DocumentBuilder builder = null;
char[] ch = new char[1200];
builder = factory.newDocumentBuilder();
StringReader sr = new StringReader(xmlStr);
InputSource is = new InputSource(sr);
Reader r = is.getCharacterStream();
r.read(ch);
System.out.println("String Starting ==== ");
for(int i=0;i<ch.length;i++)
System.out.print(ch);
Document XMLDoc = builder.parse(new InputSource(sr));
System.out.println("Document Object ==== "+XMLDoc);
thnx,
raj

Hi Rajaven,
use the below step, I think it could help u
StringBufferInputStream sb = new StringBufferInputStream(strBf));
doc = db.parse(sb);first conver a string to StringBufferInputStream then parse to doc Object
hope it will solve.
let me know if it's not working
With cheers,
PrasannA

Convert Objects into an XML Document? Possible?

Hello,
Is there a way to convert different objects into an XML File/Document
If I create 10 objects and then I want to create an XML Document
of these objects,is it possible to do this?
Ajay

Hello,
Is there a way to convert different objects into an
XML File/Document
If I create 10 objects and then I want to create an
XML Document
of these objects,is it possible to do this?
Ajayjust override the .toString() method...

How can i send a XML document object over the JMS wire

 HI,
 does anybody has anyidea about sending the XML Document over the JMS and receiving
 it n the other side..
 regards,
 Akhil


Is this the full stack trace?
 Akhil Nagpal wrote:
 > HI ,
 > Sorry the excepiotn is of deserialization...this is the stack trace...mistake...
 >
 > weblogic.jms.common.JMSException: Error deserializing object
 > at weblogic.jms.common.ObjectMessageImpl.getObject(ObjectMessageImpl.java:140)
 > at com.sds.kb.cm.CMMDBReceiver.onMessage(CMMDBReceiver.java:143)
 > at weblogic.ejb20.internal.MDListener.execute(MDListener.java:356)
 > at weblogic.ejb20.internal.MDListener.transactionalOnMessage(MDListener.java:290)
 > at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:271)
 > at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2303)
 > at weblogic.jms.client.JMSSession.execute(JMSSession.java:2226)
 > at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:153)
 > at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:134)
 > ----------- Linked Exception -----------
 > weblogic.jms.common.JMSException: Error deserializing object
 > at weblogic.jms.common.ObjectMessageImpl.getObject(ObjectMessageImpl.java:140)
 > at com.sds.kb.cm.CMMDBReceiver.onMessage(CMMDBReceiver.java:143)
 > at weblogic.ejb20.internal.MDListener.execute(MDListener.java:356)
 > at weblogic.ejb20.internal.MDListener.transactionalOnMessage(MDListener.java:290)
 > at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:271)
 > at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2303)
 > at weblogic.jms.client.JMSSession.execute(JMSSession.java:2226)
 > at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:153)
 > at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:134)
 >
 >
 > Akhil
 >
 >
 > "Akhil Nagpal" <[email protected]> wrote:
 >
 >>HI,
 >> Actually i have created my own class which implements serializable.
 >>I set the
 >>object of this class in the ObjectMessage and send it across. Sometime
 >>i have
 >>to send some vector,sometimes string and sometime a XML document. So
 >>i can set
 >>these type of objects in my custom serializable object and send it. For
 >>sending
 >>XML , either i can send it as a string or as u said as Document object.
 >>But i
 >>want to do send it as a Document object. So i have created a an object
 >>of "org.jdom.Document"
 >>which implement serializable and setting this object into my custom object
 >>and
 >>sending this custom object in the objectmessage. But then weblogic throws
 >>some
 >>exceptions which has nothing to do with serialization.I am printing the
 >>exception
 >>below. (without the object of org.jdom.Document this custom object reaches
 >>safely
 >>and happily:))...this exception is something related to transactions.....can
 >>you
 >>or anybody tell me what could be the reason..
 >>I am not able to think why this kind of exception comes only when i try
 >>to send
 >>the jdom's Document object and never in other cases..
 >>
 >>java.sql.SQLException: XA error: XAER_RMERR : A resource manager error
 >>has occured
 >>in the transaction branch start() failed o
 >>n resource 'oraclePool': XAER_RMERR : A resource manager error has occured
 >>in
 >>the transaction branch
 >>oracle.jdbc.xa.OracleXAException
 >> at oracle.jdbc.xa.OracleXAResource.checkError(OracleXAResource.java:483)
 >> at oracle.jdbc.xa.client.OracleXAResource.start(OracleXAResource.java:190)
 >> at weblogic.jdbc.jta.VendorXAResource.start(VendorXAResource.java:41)
 >> at weblogic.jdbc.jta.DataSource.start(DataSource.java:569)
 >> at weblogic.transaction.internal.ServerResourceInfo.start(ServerResourceInfo.java:1165)
 >> at weblogic.transaction.internal.ServerResourceInfo.xaStart(ServerResourceInfo.java:1108)
 >> at weblogic.transaction.internal.ServerResourceInfo.enlist(ServerResourceInfo.java:287)
 >> at weblogic.transaction.internal.ServerTransactionImpl.enlistResource(ServerTransactionImpl.java:391)
 >> at weblogic.jdbc.jta.DataSource.enlist(DataSource.java:1146)
 >> at weblogic.jdbc.jta.DataSource.refreshXAConnAndEnlist(DataSource.java:1101)
 >> at weblogic.jdbc.jta.Connection.getXAConn(Connection.java:145)
 >> at weblogic.jdbc.jta.Connection.createStatement(Connection.java:204)
 >> at weblogic.jdbc.rmi.internal.ConnectionImpl.createStatement(ConnectionImpl.java:130)
 >> at weblogic.jdbc.rmi.SerialConnection.createStatement(SerialConnection.java:71)
 >> at com.sds.kb.cm.CMMDBReceiver.onMessage(CMMDBReceiver.java:134)
 >> at weblogic.ejb20.internal.MDListener.execute(MDListener.java:356)
 >> at weblogic.ejb20.internal.MDListener.transactionalOnMessage(MDListener.java:290)
 >> at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:271)
 >> at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2303)
 >> at weblogic.jms.client.JMSSession.execute(JMSSession.java:2226)
 >> at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:153)
 >> at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:134)
 >>
 >> at weblogic.jdbc.jta.DataSource.enlist(DataSource.java:1151)
 >>
 >>
 >>any help will be appriciated..
 >>Akhil
 >>
 >>
 >>
 >>Raj <[email protected]> wrote:
 >>
 >>>wrap it up as an object message(I think DocumentImpl is Serializable).
 >>>This way you
 >>>wont be vendor specific and can retrieve it at the other end.
 >>>
 >>>Akhil Nagpal wrote:
 >>>
 >>>
 >>>>HI Raj,
 >>>> thanks for the response..actually we dont want our application
 >>>
 >>to
 >>
 >>>be weblogic
 >>>
 >>>>specific...
 >>>> there should be some other way arround....
 >>>>
 >>>>REgards
 >>>>Akhil
 >>>>
 >>>>"Raj" <[email protected]> wrote:
 >>>>
 >>>>>There is a weblogic specific XMLMessage similar to ObjectMessage,
 >>>>
 >>>BytesMEssage
 >>>
 >>>>>etc.. Try using that to wrap ur XML document and send it across.
 >>>>>
 >>>>>-Raj
 >>>>>
 >>>>>"Akhil Nagpal" <[email protected]> wrote:
 >>>>>
 >>>>>>HI,
 >>>>>>does anybody has anyidea about sending the XML Document over the
 >>>>>
 >>>JMS
 >>>
 >>>>>>and receiving
 >>>>>>it n the other side..
 >>>>>>regards,
 >>>>>>Akhil
 >>>>>
 >

Is it possible in java 5 to generate a XML document from object?

Hi all ,
Is it possible in java 5 to generate a XML document from object?if yes, how do I implement this?
~Regards

: /\ P:^P would look better. ;)
0 0
>
U

Merging two XML Document Objects

I'm trying to merge two seperate XML Document Objects into one Object.
Any suggestions would be very much appreciated.
This is what the Objects look like when returned.
FIRST:
<?xml version = '1.0'?>
<app>
<name>Home</name>
<active>true</active>
<order-as-sibling>1</order-as-sibling>
</app>
SECOND:
<app>
<name>Developers</name>
<active>true</active>
<order-as-sibling>6</order-as-sibling>
</app>

That would work nicely if the XML documents had names, but they are coming back as a list in an XML object. I have about 8 separate XML Objects I'd like to merge into one.
Thanks

Serializing XML Documents(not Java Serialization)

Hi,
Iam looking for a class that can serialize the XML documents.
Heres the problem in detail:
- I need to create an XML String from scratch taking data from a database.
- I created the XML Document adding the childs and attributes.
- I need an XML string from the document. Iam not exactly sure how to do this. But Apache Xerces package provides an XMLSerializer class where we can convert the document into a string.
Is there any functionality provided. If so where can i find it.
Thanks,
-Rao

Not sure if this is a bug or not (filing one just in case it is) but the following program demonstrates that with 2.0.2.9 the internal subset is serialized correctly if the document was parsed with validationMode set to true. If set to false only the entities show up in the internal subset.
package xmlbugs;
import java.io.*;
import org.w3c.dom.*;
import oracle.xml.parser.v2.*;
public class TestSerializeLocalSubset {
private static final String xml =
"<?xml version='1.0' encoding='UTF-8'?>"+
"<!DOCTYPE bar ["+
"<!ENTITY bar 'baz'>"+
"<!ELEMENT foo EMPTY >"+
"<!ELEMENT bar (foo) >"+
"]>"+
"<bar><foo/></bar>";
public static void main(String[] a_ ) throws Exception {
System.out.println("Test with parser in validation mode = false");
DOMParser d = new DOMParser();
d.setPreserveWhitespace(false);
d.setValidationMode(false);
d.parse( new StringReader(xml));
Document x = d.getDocument();
XMLDocument xx = (XMLDocument) x;
xx.print(System.out);
System.out.println("Test with parser in validation mode = true");
DOMParser d2 = new DOMParser();
d2.setPreserveWhitespace(false);
d2.setValidationMode(true);
d2.parse( new StringReader(xml));
x = d2.getDocument();
xx = (XMLDocument) x;
xx.print(System.out);
}

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