问Oracle 9i中Web服务响应的解析

EN

L_XML_DOC := dbms_xmldom.newDOMDocument(P_XML); 

L_XPATH :=  '/soap:Envelope/soap:Body/*[namespace-uri()="https://www.customnamespacehost.com/webservicename"]/*/*[namespace-uri()=""]/*';

L_NL_RESULTS := dbms_xslprocessor.selectNodes(
    dbms_xmldom.makeNode(L_XML_DOC)
  , L_XPATH);

dbms_xmldom.writetobuffer(L_XML_DOC, L_TEMP);
prc_bjm(L_CODE_NAME, 'L_TEMP = ' || L_TEMP, SQLCODE);

if not DBMS_XMLDOM.ISNULL(L_NL_RESULTS) then

  FOR RESULTS_REC IN 0 .. dbms_xmldom.getLength(L_NL_RESULTS) - 1 LOOP

    L_N_RESULT := dbms_xmldom.item(L_NL_RESULTS, RESULTS_REC); 

    L_TEMP := dbms_xmldom.GETNODENAME(L_N_RESULT);

    prc_bjm(L_CODE_NAME, 'L_TEMP = ' || L_TEMP, SQLCODE);

    dbms_xslprocessor.valueOf(L_N_RESULT, 'text()', L_TEMP);

    prc_bjm(L_CODE_NAME, 'L_TEMP = ' || L_TEMP, SQLCODE);

  END LOOP;

else

  prc_bjm(L_CODE_NAME, 'No nodes for: ' || L_XPATH || '(' || L_NS || ')', SQLCODE);

end if; -- if not DBMS_XMLDOM.ISNULL(L_NL_RESULTS)

<a:GetMailDataResponse xmlns:a="https://www.customnamespacehost.com/webservicename">  

set serveroutput on

declare
 v_xml xmltype;
 v_str varchar2(3000);
 v_temp varchar2(1000);
begin

 v_str := '<?xml version="1.0" encoding="ISO-8859-1"?>' ||
          '<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">' ||
          '<soap:Body>' ||
          '    <GetMailDataResponse xmlns="https://www.customnamespacehost.com/webservicename">' ||
          '        <GetMailDataResult>' ||
          '            <Errors xmlns="">' ||
          '                <ErrorDetail>Access Credentials Invalid</ErrorDetail>' ||
          '                <ErrorDetail>Foobar</ErrorDetail>' ||
          '            </Errors>' ||
          '        </GetMailDataResult>' ||
          '    </GetMailDataResponse>' ||
          '</soap:Body></soap:Envelope>';

 --load our string into an xmltype variable    
 v_xml := xmltype(v_str);

 --loop through each ErrorDetail entry
 for rec in (select value(x) txt
               from table(XMLSequence(extract(v_xml, '//Errors/ErrorDetail'))) x
             )
 loop

    --output the XML that was returned
    dbms_output.put_line('xml_snippet: ' || rec.txt.getStringVal());

    --pull the value out of that XML
    select extractvalue(rec.txt, '//*')
      into v_temp
      from dual;

   --display the value that was pulled out
   dbms_output.put_line('xml_vlaue: ' || v_temp);

  end loop;

end;