Validate xml with DOM - no grammar found

Validation with XmlSpy is OK!
Please help me. My problem is...
==========================================================
// Schema...
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">
<xs:complexType name="ParentType">
<xs:sequence>
<xs:element name="parent1" type="xs:string"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="ChildType">
<xs:complexContent>
<xs:extension base="ParentType">
<xs:sequence>
<xs:element name="child1" type="xs:string"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
<xs:element name="root">
<xs:complexType>
<xs:sequence>
<xs:element name="element" type="ParentType" maxOccurs="2"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
==========================================================
// Xml-file:
<?xml version="1.0" encoding="UTF-8"?>
<root xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="http://pctoiv/etktoiv/Extending.xsd">
<element xsi:type="ChildType">
<parent1/>
<child1/>
</element>
<element xsi:type="ParentType">
<parent1/>
</element>
</root>
=================================================================
//java code...
String W3C_XML_SCHEMA = "http://www.w3c.org/2001/XMLSchema";
String JAXP_SCHEMA_SOURCE = "http://java.sun.com/xml/jaxp/properties/schemaSource";
String schemaSource = "http://pctoiv/etktoiv/Extending.xsd";
javax.xml.parsers.DocumentBuilder documentBuilder = null;
org.w3c.dom.Document xmlDoc = null;
javax.xml.parsers.DocumentBuilderFactory docBuildFactory =
javax.xml.parsers.DocumentBuilderFactory.newInstance();
docBuildFactory.setNamespaceAware(true);
docBuildFactory.setValidating(true);
docBuildFactory.setAttribute(JAXP_SCHEMA_SOURCE, W3C_XML_SCHEMA);
docBuildFactory.setAttribute( JAXP_SCHEMA_SOURCE, schemaSource);
documentBuilder = docBuildFactory.newDocumentBuilder();
documentBuilder.setErrorHandler(new MyErrorHandler(System.out));
xmlDoc = documentBuilder.parse(new java.io.File("Extending.xml"));
================================================
// And errors...
org.xml.sax.SAXParseException: Document is invalid: no grammar found.
org.xml.sax.SAXParseException: Document root element "root", must match DOCTYPE root "null".

Validation with XmlSpy is OK!
Please help me. My problem is...
=======================================================
==
// Schema...
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
elementFormDefault="qualified"
attributeFormDefault="unqualified">
<xs:complexType name="ParentType">
<xs:sequence>
<xs:element name="parent1" type="xs:string"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="ChildType">
<xs:complexContent>
<xs:extension base="ParentType">
<xs:sequence>
<xs:element name="child1" type="xs:string"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
<xs:element name="root">
<xs:complexType>
<xs:sequence>
<xs:element name="element" type="ParentType"
maxOccurs="2"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
=======================================================
==
// Xml-file:
<?xml version="1.0" encoding="UTF-8"?>
<root
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="http://pctoiv/etktoiv/Ex
ending.xsd">
<element xsi:type="ChildType">
<parent1/>
<child1/>
</element>
<element xsi:type="ParentType">
<parent1/>
</element>
</root>
=======================================================
=========
//java code...
String W3C_XML_SCHEMA =
"http://www.w3c.org/2001/XMLSchema";
String JAXP_SCHEMA_SOURCE =
"http://java.sun.com/xml/jaxp/properties/schemaSource";
String schemaSource =
"http://pctoiv/etktoiv/Extending.xsd";
javax.xml.parsers.DocumentBuilder documentBuilder =
null;
org.w3c.dom.Document xmlDoc = null;
javax.xml.parsers.DocumentBuilderFactory
docBuildFactory =
javax.xml.parsers.DocumentBuilderFactory.newInstance();
docBuildFactory.setNamespaceAware(true);
docBuildFactory.setValidating(true);
docBuildFactory.setAttribute(JAXP_SCHEMA_SOURCE,
W3C_XML_SCHEMA);
docBuildFactory.setAttribute( JAXP_SCHEMA_SOURCE,
schemaSource);
documentBuilder =
docBuildFactory.newDocumentBuilder();
documentBuilder.setErrorHandler(new
MyErrorHandler(System.out));
xmlDoc = documentBuilder.parse(new
java.io.File("Extending.xml"));
================================================
// And errors...
org.xml.sax.SAXParseException: Document is invalid: no
grammar found.
org.xml.sax.SAXParseException: Document root element
"root", must match DOCTYPE root "null".
Try this:
private static final String JAXP_SCHEMA_SOURCE
= "http://java.sun.com/xml/jaxp/properties/schemaSource";
private static final String JAXP_SCHEMA_LANGUAGE
= "http://java.sun.com/xml/jaxp/properties/schemaLanguage";
private static final String W3C_XML_SCHEMA
= "http://www.w3.org/2001/XMLSchema";
docBuildFactory.setNamespaceAware(true);
docBuildFactory.setValidating(true);
docBuildFactory.setAttribute(JAXP_SCHEMA_LANGUAGE, W3C_XML_SCHEMA); // use LANGUAGE here instead of SOURCE
docBuildFactory.setAttribute( JAXP_SCHEMA_SOURCE, schemaSource);
documentBuilder = docBuildFactory.newDocumentBuilder();
Good luck!
Paul Niedenzu

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Connected to:
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                              <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
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SQL> CREATE OR REPLACE AND RESOLVE JAVA SOURCE NAMED "SchemaUtil"
2 as
3
4 import oracle.xml.parser.schema.*;
5 import oracle.xml.parser.v2.*;
6 import oracle.sql.CHAR;
7 import java.io.*;
8
9 public class SchemaUtil
10 {
11     public static String validation(CHAR xml, CHAR xsd)
12     throws Exception
13     {
14        //Build Schema Object
15        XSDBuilder builder = new XSDBuilder();
16        byte [] docbytes = xsd.getBytes();
17        ByteArrayInputStream in = new   ByteArrayInputStream(docbytes);
18        XMLSchema schemadoc = (XMLSchema)builder.build(in,null);
19        //Parse the input XML document with Schema Validation
20        docbytes = xml.getBytes();
21        in = new ByteArrayInputStream(docbytes);
22        DOMParser dp = new DOMParser();
23        // Set Schema Object for Validation
24        dp.setXMLSchema(schemadoc);
25        dp.setValidationMode(XMLParser.SCHEMA_VALIDATION);
26        dp.setPreserveWhitespace (true);
27        StringWriter sw = new StringWriter();
28        dp.setErrorStream (new PrintWriter(sw));
29        try
30        {
31           dp.parse (in);
32           sw.write("The input XML parsed without errors.\n");
33        }
34        catch (XMLParseException pe)
35        {
36             sw.write("Parser Exception: " + pe.getMessage());
37          }
38        catch (Exception e)
39          {
40             sw.write("NonParserException: " + e.getMessage());
41          }
42          return sw.toString();
43     }
44   }
45 /
Java created.
SQL>
SQL> create or replace function schemavalidation(xml in varchar2,xsd in varchar2)
2 return varchar2 is language java name 'SchemaUtil.validation(oracle.sql.CHAR,oracle.sql.CHAR)
3                   returns java.lang.String';
4 /
Function created.
SQL>
SQL> select schemavalidation('<?xml version="1.0" ?><greeting>"HELLO !"</greeting>',
2                           '<?xml version="1.0" ?>
3                          <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
4                          <xs:element name="greeting" type="xs:string" />
5                          </xs:schema>') schemavalidation from dual
6 /
SCHEMAVALIDATION
The input XML parsed without errors.
SQL>

Persisting unexplained errors when parsing XML with schema validation

Hi,
I am trying to parse an XML file including XML schema validation. When I validate my .xml and .xsd in NetBeans 5.5 beta, I get not error. When I parse my XML in Java, I systematically get the following errors no matter what I try:
i) Document root element "SQL_STATEMENT_LIST", must match DOCTYPE root "null".
ii) Document is invalid: no grammar found.
The code I use is the following:
try {
Document document;
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setValidating(true);
factory.setNamespaceAware(true);
DocumentBuilder builder = factory.newDocumentBuilder();
document = builder.parse( new File(PathToXml) );
My XML is:
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

<xs:element name="SQL_STATEMENT_LIST" type= "SQL_STATEMENT_ITEM"/>
<xs:complexType name="SQL_STATEMENT_ITEM">
<xs:sequence>
<xs:element name="SQL_SCRIPT" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>

<xs:simpleType name="ApplicationType">
<xs:restriction base="xs:string">
<xs:enumeration value="DawningStreams"/>
<xs:enumeration value="BaseResilience"/>
<xs:enumeration value="BackBone"/>
</xs:restriction>
</xs:simpleType>

<xs:element name="SQL_SCRIPT" type= "SQL_STATEMENT"/>
<xs:complexType name="SQL_STATEMENT">
<xs:sequence>
<xs:element name="NAME" type="xs:string"/>
<xs:element name="TYPE" type="xs:string"/>
<xs:element name="APPLICATION" type="ApplicationType"/>
<xs:element name="SCRIPT" type="xs:string"/>

<xs:element name="FOLLOWS" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
</xs:schema>
and my XML is:
<?xml version="1.0" encoding="UTF-8"?>

<SQL_STATEMENT_LIST xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="http://www.dawningstreams.com/XML-Schemas/SQLStatements.xsd">
<SQL_SCRIPT>
<NAME>CREATE_PEERS_TABLE</NAME>
<TYPE>CREATION</TYPE>
<APPLICATION>DawningStreams</APPLICATION>
<SCRIPT>
CREATE CACHED TABLE PEERS (
PEER_ID VARCHAR(20) NOT NULL,
PEER_KNOWN_AS VARCHAR(30) DEFAULT ' ' ,
PRIMARY KEY ( PEER_ID )
</SCRIPT>
</SQL_SCRIPT>
<SQL_SCRIPT>
<NAME>CREATE_COMMUNITIES_TABLE</NAME>
<TYPE>CREATION</TYPE>
<APPLICATION>DawningStreams</APPLICATION>
<SCRIPT>
CREATE CACHED TABLE COMMUNITIES (
COMMUNITY_ID VARCHAR(20) NOT NULL,
COMMUNITY_KNOWN_AS VARCHAR(25) DEFAULT ' ',
PRIMARY KEY ( COMMUNITY_ID )
</SCRIPT>
</SQL_SCRIPT>
<SQL_SCRIPT>
<NAME>CREATE_COMMUNITY_MEMBERS_TABLE</NAME>
<TYPE>CREATION</TYPE>
<APPLICATION>DawningStreams</APPLICATION>
<SCRIPT>
CREATE CACHED TABLE COMMUNITY_MEMBERS (
COMMUNITY_ID VARCHAR(20) NOT NULL,
PEER_ID VARCHAR(20) NOT NULL,
PRIMARY KEY ( COMMUNITY_ID, PEER_ID )
</SCRIPT>
</SQL_SCRIPT>
<SQL_SCRIPT>
<NAME>DROP_PEER_TABLE</NAME>
<TYPE>DELETION</TYPE>
<APPLICATION>DawningStreams</APPLICATION>
<SCRIPT>
DROP TABLE PEERS IF EXISTS
</SCRIPT>
</SQL_SCRIPT>
<SQL_SCRIPT>
<NAME>DROP_COMMUNITIES_TABLE</NAME>
<TYPE>DELETION</TYPE>
<APPLICATION>DawningStreams</APPLICATION>
<SCRIPT>
DROP TABLE COMMUNITIES IF EXISTS
</SCRIPT>
</SQL_SCRIPT>
<SQL_SCRIPT>
<NAME>DROP_COMMUNITY_MEMBERS_TABLE</NAME>
<TYPE>DELETION</TYPE>
<APPLICATION>DawningStreams</APPLICATION>
<SCRIPT>
DROP TABLE COMMUNITY_MEMBERS IF EXISTS
</SCRIPT>
</SQL_SCRIPT>
<SQL_SCRIPT>
<NAME>CREATE_COMMUNITY_MEMBERS_VIEW</NAME>
<TYPE>CREATION</TYPE>
<APPLICATION>DawningStreams</APPLICATION>
<SCRIPT>
CREATE VIEW COMMUNITY_MEMBERS_VW AS
SELECT P.PEER_ID, P.PEER_KNOWN_AS, C.COMMUNITY_ID, C.COMMUNITY_KNOWN_AS
FROM PEERS P, COMMUNITIES C, COMMUNITY_MEMBERS CM
WHERE P.PEER_ID = CM.PEER_ID
AND C.COMMUNITY_ID = CM.COMMUNITY_ID
</SCRIPT>
<FOLLOWS>CREATE_PEERS_TABLE</FOLLOWS>
<FOLLOWS>CREATE_COMMUNITIES_TABLE</FOLLOWS>
</SQL_SCRIPT>
</SQL_STATEMENT_LIST>
Any ideas? Thanks !!!
J�r�me Verstrynge

Hi,
I found the solution in the following post:
Validate xml with DOM - no grammar found
Sep 17, 2003 10:58 AM
The solution is to add a line of code when parsing:
try {
Document document;
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setValidating(true);
factory.setNamespaceAware(true);
factory.setAttribute("http://java.sun.com/xml/jaxp/properties/schemaLanguage", "http://www.w3.org/2001/XMLSchema");
DocumentBuilder builder = factory.newDocumentBuilder();
document = builder.parse( new File(PathToXml) );
The errors are gone !!!
J�r�me Verstrynge

Validating xml with dtd

Hi,
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thanks in advance.

thanks Leonard,
         But my problem is i have an xml(i created that using acrobat javascript)and a dtd file, i want validate xml file with that dtd, using acrobat or some other way. How can i validate xml with dtd, please help me.

To convert XML to ABAP internal table can we do it with DOM or we need XSLT

I have a requirement where I need to collect the data from XML file into an internal table.
I need to collect this data into an internal table as I should make use of this data and do Goods Receipt in SAP.
My XML file is very very complex and the child nodes in my XML file may occur ones or 10 times and change dynamically.
I want to know if XML to ABAP internal table is possible with DOM or does it need XSLT too.
I used the blog of Robert which uses DOM, but it I am unable to collect the data in internal table. The blog explains only how to wtite the out put to screen as element and value.
I want to know if XML to ABAP internal table is possible with DOM or do I need XSLT too? I am confused please help.
Any help will be highly appreciated.
Regards,
Jessica Sam

Hello Jessica
Why not using the DOM itself for processing?
Below you see the post-processing coding which I use to add the interchange control number (ICN) into an EDI message (which at this stage is still an XML-EDI stream). This is done on SAP-XI yet on the ABAP stack so you could use this approach on your R/3 system as well.
method POSTPROCESSING.
* Post-Processing of outbound EDI invoices & dispatch advices
me->map_icn( ).
endmethod.
method MAP_ICN.
* define local data
DATA: lo_node       TYPE REF TO if_ixml_node,
        ld_name       TYPE string,
        ld_value      TYPE string,
        ld_error_code type MPG_ERRCODE,
**        ld_control_number   TYPE char13,
        ld_rc         TYPE i,
        ld_msg        TYPE string. " bapi_msg.
DATA: ld_interface TYPE string.
DATA: incode TYPE REF TO if_ixml_node_collection.
LOG-POINT ID zedi
    SUBKEY mc_subkey_method_trace.
ld_error_code = md_clsname.
* Get next interchange control number (ICN)
me->md_next_number = me->get_next_number(
      id_nrobj = me->md_nrobj   " Object (SNRO)
      id_nrnr   = me->md_nrnr ). " Number Range
CALL METHOD zcl_edi_uk_counter=>calculate_modulo_n09
    EXPORTING
      id_input = me->md_next_number
    receiving
      rd_output = me->md_next_number.
* Build ICN according to naming conventions agreed with EDI customer
me->md_icn = me->generate_icn( me->md_next_number ).
ld_value = me->md_icn. " type conversion to string
CLEAR: incode,
         lo_node.
incode = me->mo_document->get_elements_by_tag_name( mc_d_0020 ).
lo_node = incode->get_item( index = 0 ).
CALL METHOD lo_node->set_value
    EXPORTING
      value = ld_value
    RECEIVING
      rval = ld_rc.
IF ( ld_rc NE 0 ).
    CONCATENATE 'Error [' mc_d_0020
                ']: Method SET_VALUE (IF_IXML_NODE)'
                INTO ld_msg.
    CONDENSE ld_msg.
    me->mif_trace->trace2( message = ld_msg ).
    RAISE EXCEPTION TYPE cx_mapping_fault
      EXPORTING
*        textid =
*        previous =
        error_code = ld_error_code
        error_text = ld_msg.
**    MESSAGE ld_msg TYPE 'A'.
ENDIF.
CLEAR: incode,
         lo_node.
incode = me->mo_document->get_elements_by_tag_name( mc_d_0020_2 ). " element for ICN
lo_node = incode->get_item( index = 0 ).
CALL METHOD lo_node->set_value
    EXPORTING
      value = ld_value
    RECEIVING
      rval = ld_rc.
IF ( ld_rc NE 0 ).
    CONCATENATE 'Error [' mc_d_0020_2
                ']: Method SET_VALUE (IF_IXML_NODE)'
                INTO ld_msg.
    CONDENSE ld_msg.
    me->mif_trace->trace2( message = ld_msg ).
    RAISE EXCEPTION TYPE cx_mapping_fault
      EXPORTING
*        textid =
*        previous =
        error_code = ld_error_code
        error_text = ld_msg.
**    MESSAGE ld_msg TYPE 'A'.
ENDIF.
* define local data
DATA: ls_record       TYPE mpp_dynamic.
CLEAR: ls_record.
ls_record-namespace = mc_dynamic_namespace.
ls_record-name      = mc_icn.
ls_record-value     = ld_value.
mif_dynamic->add_record( ls_record ).
endmethod.
In your case you would need to do a DO...ENDDO loop until you parsed all required nodes.
NOTE: ME->MO_DOCUMENT is of TYPE REF TO IF_IXML_DOCUMENT.
Regards
   Uwe

How to validate xml file with XSD schema ?? in JDK1.4.2

How to validate xml file with XSD schema ?? in JDK1.4.2
i dont want to use new Xerec Jar ...
Suggest option ...

Please do not double-post. http://forum.java.sun.com/thread.jspa?threadID=5134447&tstart=0
Then use Stax (Woodstock) or Saxon.
- Saish

How to validate XML Digital Signature with XML DB (o PL/SQL) in Oracle 11g

Hi,
Do you know if there is possibility to validate XML Digital Signature using XML DB (or PL/SQL) in Oracle 11g?
Let say I have CLOB/XMLType containing Digitally Signed XML, and I want to validate, that thsi is proper signature. I also have public key of signer (I could store it in CLOB or file or Oracle wallet).
Is it possible to do?
If there is need to install additional component - then which one?
Regards,
Paweł

Hi,
this is what i got from someone...
but the links he gave are not opening up...
u have to place a picture there and have to load the digital signatures as Jpegs on to the server to OA top
and have to refer them in the XML for dynamically get the signature on the reports
when u select the properties of the picture placed in the XML template,
there will be one tab with "URL"... in that u have to give the path for that jpegs
Pls refer the following documents for enabling digital signature on pdf documents.
http://iasdocs.us.oracle.com/iasdl/bi_ee/doc/bi.1013/e12187/T421739T481159.htm#5013638 (refer section 'Adding or Designating a Field for Digital Signature'
http://iasdocs.us.oracle.com/iasdl/bi_ee/doc/bi.1013/e12188/T421739T475591.htm#5013688
(Implementing a Digital Signature
Is the BI Publisher installed on your instance of version 10.1.3.4 or higher?
Pls procure a digital signature as soon as possible. The process can take time. OR we could use any certificate that you already might have OR generate a certificate using Oracle Certificate Authority for demo.

Validate xml with DOM - no grammar found

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