| // -------------------------------------------------------------------- // Function: CreateXMLDOM // // Purpose: Creates a new XML DOM. // // Parameters: None // // Returns: XMLDOM object OR null // -------------------------------------------------------------------- function CreateXmlDOM() { var oXML = new ActiveXObject(GetXmlParserProgID()); try { oXML.setProperty( " AllowXsltScript " , true ); } catch (err) {} oXML.async = false ; oXML.validateOnParse = false ; oXML.resolveExternals = false ; oXML.setProperty( " SelectionLanguage " , " XPath " ); try {oXML.setProperty( " NewParser " , true );} catch (e) {} return oXML; } // -------------------------------------------------------------------- // Function: GetXmlParserProgID // // Purpose: // Gets the ProgID of the highest available version of the // Microsoft XML parser. // // Parameters: None // // Returns: String (i.e. "Msxml2.DOMDocument.4.0") // // -------------------------------------------------------------------- function GetXmlParserProgID() { var MAX_MAJOR_PARSER_VERSION = 10 ; var MIN_MAJOR_PARSER_VERSION = 0 ; var MAX_MINOR_PARSER_VERSION = 9 ; var MIN_MINOR_PARSER_VERSION = 0 ; var sProgID = g_sXmlParserProgID; var bFound = false ; if ( ! sProgID) { // Iterate through possible versions for ( var nMajor = MAX_MAJOR_PARSER_VERSION; nMajor >= MIN_MAJOR_PARSER_VERSION; nMajor -- ) { for ( var nMinor = MAX_MINOR_PARSER_VERSION; nMinor >= MIN_MINOR_PARSER_VERSION; nMinor -- ) { // Set up the classname for the version that we're trying to instantiate sProgID = " Msxml2.DOMDocument. " + nMajor + " . " + nMinor; try { if ( new ActiveXObject(sProgID)) { bFound = true ; break ; } } catch (e) {} } if (bFound) { // store in a global variable to speedup subsequent calls g_sXmlParserProgID = sProgID; break ; } } } return sProgID; } |
| var xmlDoc = new ActiveXObject( " MSXML2.DOMDocument.3.0 " ); xmlDoc.load(local_XML_FileName); |
| xmlht.Open( " GET " ,server_XML_FileName, true ); xmlht.onreadystatechange = stateChange; xmlht.Send( null ); function handleStateChange() { if (xmlHttp.readyState == 4 ) { if (xmlHttp.status == 200 ) { xmlDoc.loadXML(xmlht.responseText); } } } |
| import java.io. * ; import javax.servlet. * ; import javax.servlet.http. * ; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.w3c.dom.Document; import org.w3c.dom.NodeList; import org.xml.sax.SAXException; public class PostingXMLExample extends HttpServlet { protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String xml = readXMLFromRequestBody(request); Document xmlDoc = null ; try { xmlDoc = DocumentBuilderFactory.newInstance().newDocumentBuilder() .parse( new ByteArrayInputStream(xml.getBytes())); } catch (ParserConfigurationException e) { System.out.println( " ParserConfigurationException: " + e); } catch (SAXException e) { System.out.println( " SAXException: " + e); } /**/ /* Note how the Java implementation of the W3C DOM has the same methods * as the JavaScript implementation, such as getElementsByTagName and * getNodeValue. */ NodeList selectedPetTypes = xmlDoc.getElementsByTagName( " type " ); String type = null ; String responseText = " Selected Pets: " ; for ( int i = 0 ; i < selectedPetTypes.getLength(); i ++ ) { type = selectedPetTypes.item(i).getFirstChild().getNodeValue(); responseText = responseText + " " + type; } response.setContentType( " text/xml " ); response.getWriter().print(responseText); } private String readXMLFromRequestBody(HttpServletRequest request) { StringBuffer xml = new StringBuffer(); String line = null ; try { BufferedReader reader = request.getReader(); while ((line = reader.readLine()) != null ) { xml.append(line); } } catch (Exception e) { System.out.println( " Error reading XML: " + e.toString()); } return xml.toString(); } } |
