diff options
Diffstat (limited to 'spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers')
4 files changed, 0 insertions, 610 deletions
diff --git a/spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers/MOA2SL.java b/spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers/MOA2SL.java deleted file mode 100644 index 2e82d4d32..000000000 --- a/spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers/MOA2SL.java +++ /dev/null @@ -1,93 +0,0 @@ -/* - * Created on 20.11.2003 - * - * (c) Stabsstelle IKT-Strategie des Bundes - */ -package at.gv.egovernment.moa.spss.slinterface.transformers; - -import java.util.ArrayList; -import java.util.HashMap; - -import org.w3c.dom.Document; -import org.w3c.dom.Element; -import org.w3c.dom.Node; -import org.w3c.dom.NodeList; - -import at.gv.egovernment.moa.spss.slinterface.Constants; - -/** - * @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at) - */ -public class MOA2SL -{ - /** - * Transforms an MOA VerifyXMLSignatureResponse into a SL VerifyXMLSignatureResponse. - * - * @param moaVerifyXMLSignatureResponse The MOA VerifyXMLSignatureResponse to be transformed. - * - * @return the specified response document, transformed into a SL VerifyXMLSignatureResponse. Please note - * that <code>moaVerifyXMLSignatureResponse</code> is modified into the sl response. - * - * @pre moaVerifyXMLSignatureResponse is a valid instance of the SL Schema (version 1.2 or 1.1). - */ - public static Document toSlVerifyXMLSignatureResponse(Document moaVerifyXMLSignatureResponse) - { - // Namespace to namespace prefix mapping - HashMap prefixMap = new HashMap(4); - prefixMap.put(Constants.NSURI_SL_10_, Constants.NSPRE_SL_10_); - prefixMap.put(Constants.NSURI_SL_11_, Constants.NSPRE_SL_11_); - prefixMap.put(Constants.NSURI_SL_12_, Constants.NSPRE_SL_12_); - prefixMap.put(Constants.NSURI_MOA_12_, Constants.NSPRE_MOA_12_); - - // Namespaces to be changed - HashMap nsTransforms = new HashMap(); - nsTransforms.put(Constants.NSURI_MOA_12_, Constants.NSURI_SL_11_); - - // Names to be changed - HashMap nameTransforms = new HashMap(); - nameTransforms.put( - new QName(Constants.NSURI_MOA_12_, "PublicAuthority"), - new QName(Constants.NSURI_MOA_12_,"PublicAuthority")); - - Element verifyResponseElem = moaVerifyXMLSignatureResponse.getDocumentElement(); - verifyResponseElem.setAttributeNS(Constants.NSURI_NAMESPACES_, - "xmlns:" + Constants.NSPRE_SL_10_, Constants.NSURI_SL_10_); - verifyResponseElem.setAttributeNS(Constants.NSURI_NAMESPACES_, - "xmlns:" + Constants.NSPRE_SL_11_, Constants.NSURI_SL_11_); - - // Convert SL request into MOA request - verifyResponseElem = - Utils.transformDeep(verifyResponseElem, prefixMap, nsTransforms, nameTransforms); - - // Add SignatureManifestCheck element (Code = 98) - Element signatureMFCheckElem = moaVerifyXMLSignatureResponse.createElementNS( - Constants.NSURI_SL_11_, Constants.NSPRE_SL_11_ + ":SignatureManifestCheck"); - Element smfCodeElem = moaVerifyXMLSignatureResponse.createElementNS( - Constants.NSURI_SL_11_, Constants.NSPRE_SL_11_ + ":Code"); - signatureMFCheckElem.appendChild(smfCodeElem); - smfCodeElem.appendChild(moaVerifyXMLSignatureResponse.createTextNode("98")); - Element signatureCheckElem = (Element) verifyResponseElem.getElementsByTagNameNS( - Constants.NSURI_SL_11_, "SignatureCheck").item(0); - verifyResponseElem.insertBefore(signatureMFCheckElem, signatureCheckElem.getNextSibling()); - - // Siblings of Certificate check must be in sl10 namespace - nsTransforms.clear(); - nsTransforms.put(Constants.NSURI_SL_11_, Constants.NSURI_SL_10_); - nameTransforms.clear(); - Element certCheckElem = (Element) verifyResponseElem.getElementsByTagNameNS( - Constants.NSURI_SL_11_, "CertificateCheck").item(0); - NodeList certCheckChildren = certCheckElem.getChildNodes(); - ArrayList certCheckChildElemsList = new ArrayList(certCheckChildren.getLength()); - for (int i = 0; i < certCheckChildren.getLength(); i++) - { - Node currentNode = certCheckChildren.item(i); - if (currentNode.getNodeType() == Node.ELEMENT_NODE) - certCheckChildElemsList.add(certCheckChildren.item(i)); - } - for (int i = 0; i < certCheckChildElemsList.size(); i++) - Utils.transformDeep((Element) certCheckChildElemsList.get(i), prefixMap, nsTransforms, - nameTransforms); - - return moaVerifyXMLSignatureResponse; - } -} diff --git a/spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers/QName.java b/spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers/QName.java deleted file mode 100644 index 6da0c433f..000000000 --- a/spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers/QName.java +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Created on 20.11.2003 - * - * (c) Stabsstelle IKT-Strategie des Bundes - */ -package at.gv.egovernment.moa.spss.slinterface.transformers; - -/** - * @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at) - */ -public class QName -{ - public String nsUrl_; - public String localName_; - - /* ---------------------------------------------------------------------------------------------------- */ - - public QName(String nsUrl, String localName) - { - nsUrl_ = nsUrl; - localName_ = localName; - } - - /* ---------------------------------------------------------------------------------------------------- */ - - public boolean equals(Object o) - { - if (o == null) return false; - if (o instanceof QName) - { - QName toBeCompared = (QName) o; - - boolean nsURLEquals = (nsUrl_ == null) - ? toBeCompared.nsUrl_ == null - : nsUrl_.equals(toBeCompared.nsUrl_); - boolean localNameEquals = (localName_ == null) - ? toBeCompared.localName_ == null - : localName_.equals(toBeCompared.localName_); - - return nsURLEquals && localNameEquals; - } - return false; - } - - /* ---------------------------------------------------------------------------------------------------- */ - - public int hashCode() - { - return new String(nsUrl_ + localName_).hashCode(); - } -} diff --git a/spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers/SL2MOA.java b/spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers/SL2MOA.java deleted file mode 100644 index eec295bab..000000000 --- a/spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers/SL2MOA.java +++ /dev/null @@ -1,337 +0,0 @@ -/* - * Created on 20.11.2003 - * - * (c) Stabsstelle IKT-Strategie des Bundes - */ -package at.gv.egovernment.moa.spss.slinterface.transformers; - -import java.io.InputStream; -import java.net.URL; -import java.text.SimpleDateFormat; -import java.util.Calendar; -import java.util.GregorianCalendar; -import java.util.HashMap; -import java.util.StringTokenizer; - -import javax.servlet.ServletException; - -import org.apache.log4j.Logger; -import org.w3c.dom.Document; -import org.w3c.dom.Element; -import org.w3c.dom.NodeList; - -import at.gv.egovernment.moa.spss.slinterface.Constants; -import at.gv.egovernment.moa.spss.slinterface.DOMUtils; -import at.gv.egovernment.moa.spss.slinterface.XPathUtils; - -/** - * @author Gregor Karlinger (mailto:gregor.karlinger@siemens.com) - */ -public class SL2MOA -{ - private static Logger logger_ = Logger.getLogger(Constants.LH_TRANSFORMERS_); - - /** - * Transforms an SL <code>VerifyXMLSignatureRequest</code> into a MOA <code>VerifyXMLSignatureRequest - * </code> and makes the following additions to the resulting <code>VerifyXMLSignatureRequest</code>: - * <ul> - * <li>Insertion of a <code>DateTime</code> element to MOA <code>VerifyXMLSignatureRequest</code>, if no - * one exists and if no <code>etsi:SigningTime</code> element exists in the xml signature of the MOA - * VerifyXMLSinatureRequest</li> and if the creation time meta information could be extracted - * successfully from the E-Recht XML document signed by the XML signature contained in the - * MOA <code>VerifyXMLSignatureRequest</code> (see @link #extractXMLDocCreationTime(Element)).<li> - * - * <li>Addition of the <code>ReturnHashInputData</code> element indicating that MOA SP should return - * the hash input data for each <code>dsig:Reference</code> of the XML signature.</li> - * - * <li>Addition of the obligatory <code>TrustProfileID</code> element indicating the trust profile - * MOA ID should use for evaluating wheter the signer certificate used for creating the XML signature - * contained in the MOA <code>VerifyXMLSignatureRequest</code> is trusted.</li> - * </ul> - * - * @param slVerifyXMLSignatureRequest The SL VerifyXMLSignatureRequest to be transformed. - * - * @return the specified request document, transformed into a MOA VerifyXMLSignatureRequest. Please note - * that <code>slVerifyXMLSignatureRequest</code> is modified into the moa request. - * - * @pre slVerifyXMLSignatureRequest is a valid instance of the SL Schema (version 1.2 or 1.1). - * - * @throws ServletException if transforming the request fails for any reason. - */ - public static Document toMoaVerifyXMLSignatureRequest(Document slVerifyXMLSignatureRequest, - String trustProfileID) throws ServletException - { - // Namespace to namespace prefix mapping - HashMap prefixMap = new HashMap(4); - prefixMap.put(Constants.NSURI_SL_10_, Constants.NSPRE_SL_10_); - prefixMap.put(Constants.NSURI_SL_11_, Constants.NSPRE_SL_11_); - prefixMap.put(Constants.NSURI_SL_12_, Constants.NSPRE_SL_12_); - prefixMap.put(Constants.NSURI_MOA_12_, Constants.NSPRE_MOA_12_); - - // Namespaces to be changed - HashMap nsTransforms = new HashMap(); - nsTransforms.put(Constants.NSURI_SL_10_, Constants.NSURI_MOA_12_); - nsTransforms.put(Constants.NSURI_SL_11_, Constants.NSURI_MOA_12_); - nsTransforms.put(Constants.NSURI_SL_12_, Constants.NSURI_MOA_12_); - - // Names to be changed - HashMap nameTransforms = new HashMap(); - nameTransforms.put( - new QName(Constants.NSURI_SL_11_, "SignatureInfo"), - new QName(Constants.NSURI_MOA_12_,"VerifySignatureInfo")); - nameTransforms.put( - new QName(Constants.NSURI_SL_12_, "SignatureInfo"), - new QName(Constants.NSURI_MOA_12_,"VerifySignatureInfo")); - nameTransforms.put( - new QName(Constants.NSURI_SL_11_, "SignatureEnvironment"), - new QName(Constants.NSURI_MOA_12_,"VerifySignatureEnvironment")); - nameTransforms.put( - new QName(Constants.NSURI_SL_12_, "SignatureEnvironment"), - new QName(Constants.NSURI_MOA_12_,"VerifySignatureEnvironment")); - nameTransforms.put( - new QName(Constants.NSURI_SL_11_, "SignatureLocation"), - new QName(Constants.NSURI_MOA_12_,"VerifySignatureLocation")); - nameTransforms.put( - new QName(Constants.NSURI_SL_12_, "SignatureLocation"), - new QName(Constants.NSURI_MOA_12_,"VerifySignatureLocation")); - nameTransforms.put( - new QName(Constants.NSURI_SL_11_, "Supplement"), - new QName(Constants.NSURI_MOA_12_,"SupplementProfile")); - nameTransforms.put( - new QName(Constants.NSURI_SL_12_, "Supplement"), - new QName(Constants.NSURI_MOA_12_,"SupplementProfile")); - - Element verifyRequestElem = slVerifyXMLSignatureRequest.getDocumentElement(); - verifyRequestElem.setAttributeNS(Constants.NSURI_NAMESPACES_, - "xmlns:" + Constants.NSPRE_MOA_12_, Constants.NSURI_MOA_12_); - - // Convert SL request into MOA request - verifyRequestElem = Utils.transformDeep(verifyRequestElem, prefixMap, nsTransforms, nameTransforms); - - // Add DateTime element to MOA VerifyXMLSignature request, if - // - no one exists and - // - no etsi:SigningTime element exists in the xml signature of the MOA VerifyXMLSinatureRequest - if (!dateTimeExists(verifyRequestElem) && !signingTimeExists(verifyRequestElem)) - { - // Extract creation date meta information from E-Recht XML document for use in MOA VerifyXMLSignature request - String dateTimeStr = extractXMLDocCreationTime(verifyRequestElem); - - if (dateTimeStr != null) - { - // Creation date meta information could be extracted successfully from E-Recht XML document - Element dateTimeElem = slVerifyXMLSignatureRequest.createElementNS( - Constants.NSURI_MOA_12_, Constants.NSPRE_MOA_12_ + ":DateTime"); - dateTimeElem.appendChild(slVerifyXMLSignatureRequest.createTextNode(dateTimeStr)); - Element verifySignatureInfoElem = DOMUtils.getChildElem(verifyRequestElem, Constants.NSURI_MOA_12_, "VerifySignatureInfo"); - verifyRequestElem.insertBefore(dateTimeElem, verifySignatureInfoElem); - } - else - { - logger_.warn("Could not extract creation date meta information from E-Recht XML document."); - } - } - - // Add ReturnHashInputData element - Element returnHashInputDataElem = slVerifyXMLSignatureRequest.createElementNS( - Constants.NSURI_MOA_12_, Constants.NSPRE_MOA_12_ + ":ReturnHashInputData"); - verifyRequestElem.appendChild(returnHashInputDataElem); - - // Add trust profile ID element - Element trustProfileIDElem = slVerifyXMLSignatureRequest.createElementNS( - Constants.NSURI_MOA_12_, Constants.NSPRE_MOA_12_ + ":TrustProfileID"); - trustProfileIDElem.appendChild(slVerifyXMLSignatureRequest.createTextNode(trustProfileID)); - verifyRequestElem.appendChild(trustProfileIDElem); - - return slVerifyXMLSignatureRequest; - } - - /** - * Extracts the creation time meta information from the E-Recht XML document that is referenced by - * the XML signature contained in the specified MOA <code>VerifyXMLSignatureRequest</code>. - * - * @param verifyRequestElem The MOA <code>VerifyXMLSignatureRequest</code>. It is assumed that the - * request contains an XML signature which signs a E-Recht XML document - * (referring to the E-Recht XML document and transforming it to a corresponding - * XHTML representation respectively). The E-Recht XML document is assumed to - * have a root element with the name <code>erechtdok</code> in the namespace - * <code>http://www.bka.gv.at</code>. The creation time meta information is - * assumed to be contained in the attribute <code>h-created</code> of the root - * element. The value of the attribute <code>h-created</code> is assumed to have - * the format <code>dd. MMMMM yyyy, hh:mm:ss</code> where MMMMM denotes the month - * in German prose (see @link #convertMonth(String)). - * - * @return the extracted creation time meta information, or <code>null</code>, if the extraction fails for - * any reason. - */ - private static String extractXMLDocCreationTime(Element verifyRequestElem) - { - - // Get E-Recht XML document using location information in MOA VerifyXMLSignature request - String nSPrefixes = Constants.NSPRE_MOA_12_ + " " + Constants.NSURI_MOA_12_; - String xPathXMLDocumentLocContent = - "//" + Constants.NSPRE_MOA_12_ + ":SupplementProfile" + - "/" + Constants.NSPRE_MOA_12_ + ":Content[@Reference=\"dokument.xml\"]" + - "/" + Constants.NSPRE_MOA_12_ + ":LocRefContent"; - Document xmlDocument = null; - try - { - XPathUtils utils = new XPathUtils(); - utils.setupContext(xPathXMLDocumentLocContent, verifyRequestElem, nSPrefixes); - NodeList resultNL = utils.selectNodeSet(verifyRequestElem); - - if (resultNL == null || resultNL.getLength() < 1) - { - logger_.warn("LocRefContent element for E-Recht XML document not found in MOA VerifyXMLSignatureRequest."); - return null; - } - - URL locRefURL = new URL(DOMUtils.getText((Element) resultNL.item(0))); - InputStream locRefURLIS = locRefURL.openStream(); - xmlDocument = DOMUtils.parseWellFormed(locRefURLIS); - } - catch (Exception e) - { - String message = "An error occurred while trying to load E-Recht XML document:"; - logger_.warn(message, e); - return null; - } - - // Extract attribute "h-created" from E-Recht XML document root element - String hCreated = xmlDocument.getDocumentElement().getAttributeNS(null, "h-created"); - if (hCreated == null || "".equals(hCreated)) - { - logger_.warn("Attribute \"h-created\" not found in E-Recht XML document root element."); - return null; - } - - // Convert attribute "h-created" into a java date ("h-created" has formats like "10. März 2006, 11:15:09") - try - { - String dateStr = hCreated.substring(0, hCreated.indexOf(',')).trim(); - String timeStr = hCreated.substring(hCreated.indexOf(',') + 1).trim(); - - StringTokenizer tokenizer = new StringTokenizer(dateStr, " "); - String dateDayStr = tokenizer.nextToken(); - int dateDay = Integer.parseInt(dateDayStr.substring(0, dateDayStr.indexOf('.'))); - String dateMonthAlphaStr = tokenizer.nextToken(); - int dateMonthNum = convertMonth(dateMonthAlphaStr); - int dateYear = Integer.parseInt(tokenizer.nextToken()); - - tokenizer = new StringTokenizer(timeStr, ":"); - int timeHours = Integer.parseInt(tokenizer.nextToken()); - int timeMins = Integer.parseInt(tokenizer.nextToken()); - int timeSecs = Integer.parseInt(tokenizer.nextToken()); - - GregorianCalendar calendar = new GregorianCalendar(dateYear, dateMonthNum, dateDay, timeHours, timeMins, timeSecs); - SimpleDateFormat dF = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss"); - return dF.format(calendar.getTime()); - } - catch (Throwable t) - { - logger_.warn("Attribute \"h-created\" in E-Recht XML document root element has unexpected format: " + hCreated); - return null; - } - } - - /** - * Converts the specified month name into a numeric representation as specified in @link Calendar, e.g. - * @link Calendar#JANUARY. - * - * @param dateMonthAlphaStr The specified month name; must be one of <code>Jänner</code>, <code>Januar</code>, - * <code>Februar</code>, <code>Feber</code>, <code>März</code>, <code>April</code>, - * <code>Mai</code>, <code>Juni</code>, <code>Juli</code>, <code>August</code>, - * <code>September</code>, <code>Oktober</code>, <code>November</code>, or - * <code>Dezember</code>. - * - * @return the numeric representation of the specified month. - * - * @throws Exception if <code>dateMonthAlphaStr</code> contains an invalid month name. - */ - private static int convertMonth(String dateMonthAlphaStr) throws Exception - { - if ("Jänner".equalsIgnoreCase(dateMonthAlphaStr) || "Januar".equalsIgnoreCase(dateMonthAlphaStr)) return Calendar.JANUARY; - if ("Februar".equalsIgnoreCase(dateMonthAlphaStr) || "Feber".equalsIgnoreCase(dateMonthAlphaStr)) return Calendar.FEBRUARY; - if ("März".equalsIgnoreCase(dateMonthAlphaStr)) return Calendar.MARCH; - if ("April".equalsIgnoreCase(dateMonthAlphaStr)) return Calendar.APRIL; - if ("Mai".equalsIgnoreCase(dateMonthAlphaStr)) return Calendar.MAY; - if ("Juni".equalsIgnoreCase(dateMonthAlphaStr)) return Calendar.JUNE; - if ("Juli".equalsIgnoreCase(dateMonthAlphaStr)) return Calendar.JULY; - if ("August".equalsIgnoreCase(dateMonthAlphaStr)) return Calendar.AUGUST; - if ("September".equalsIgnoreCase(dateMonthAlphaStr)) return Calendar.SEPTEMBER; - if ("Oktober".equalsIgnoreCase(dateMonthAlphaStr)) return Calendar.OCTOBER; - if ("November".equalsIgnoreCase(dateMonthAlphaStr)) return Calendar.NOVEMBER; - if ("Dezember".equalsIgnoreCase(dateMonthAlphaStr)) return Calendar.DECEMBER; - - String message = "Invalid month identifier found in attribute \"h-created\":" + dateMonthAlphaStr; - logger_.warn(message); - throw new Exception(message); - } - - /** - * Checks wheter a <code>DateTime</code> element exists in the specified MOA <code> - * VerifyXMLSignatureRequest</code>. - * - * @param moaVerifyXMLSignatureRequest The MOA <code>VerifyXMLSingatureRequest</code>. - * - * @return <code>true</code> if the element exists, <code>false</code> otherwhise. - * - * @throws ServletException if the check fails for any reason. - */ - private static boolean dateTimeExists(Element moaVerifyXMLSignatureRequest) throws ServletException - { - String nSPrefixes = Constants.NSPRE_MOA_12_ + " " + Constants.NSURI_MOA_12_; - String xPathDateTime = "//" + Constants.NSPRE_MOA_12_ + ":DateTime"; - - NodeList resultNL; - try - { - XPathUtils utils = new XPathUtils(); - utils.setupContext(xPathDateTime, moaVerifyXMLSignatureRequest, nSPrefixes); - resultNL = utils.selectNodeSet(moaVerifyXMLSignatureRequest); - } - catch (Exception e) - { - String message = "An error occurred while checking for DateTime element in MOA VerifyXMLSignatureRequest:"; - logger_.error(message, e); - throw new ServletException(message, e); - } - - if (resultNL == null) return false; - if (resultNL.getLength() < 1) return false; - return true; - } - - /** - * Checks whether an <code>etsi:SigningTime</code> signed attribute exists as part of the XML signature - * contained in the specified MOA <code>VerifyXMLSingatureRequest</code>. - * - * @param moaVerifyXMLSignatureRequest The MOA <code>VerifyXMLSingatureRequest</code>. - * - * @return <code>true</code>, if the attribute exists, <code>false</code> otherwhise. - * - * @throws ServletException if the check fails for any reason. - */ - private static boolean signingTimeExists(Element moaVerifyXMLSignatureRequest) throws ServletException - { - String nSPrefixes = Constants.NSPRE_ETSI_ + " " + Constants.NSURI_ETSI_; - String xPathDateTime = "//" + Constants.NSPRE_ETSI_ + ":SigningTime"; - - NodeList resultNL; - try - { - XPathUtils utils = new XPathUtils(); - utils.setupContext(xPathDateTime, moaVerifyXMLSignatureRequest, nSPrefixes); - resultNL = utils.selectNodeSet(moaVerifyXMLSignatureRequest); - } - catch (Exception e) - { - String message = "An error occurred while checking for " + Constants.NSPRE_ETSI_ + ":SigningTime element in XML signature in MOA VerifyXMLSignatureRequest:"; - logger_.error(message, e); - throw new ServletException(message, e); - } - - if (resultNL == null) return false; - if (resultNL.getLength() < 1) return false; - return true; - } -} diff --git a/spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers/Utils.java b/spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers/Utils.java deleted file mode 100644 index d03895efe..000000000 --- a/spss.slinterface/src/at/gv/egovernment/moa/spss/slinterface/transformers/Utils.java +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Created on 20.11.2003 - * - * (c) Stabsstelle IKT-Strategie des Bundes - */ -package at.gv.egovernment.moa.spss.slinterface.transformers; - -import java.util.ArrayList; -import java.util.Iterator; -import java.util.LinkedList; -import java.util.List; -import java.util.Map; - -import org.apache.xerces.dom.DocumentImpl; -import org.w3c.dom.Attr; -import org.w3c.dom.Element; -import org.w3c.dom.NamedNodeMap; -import org.w3c.dom.Node; -import org.w3c.dom.NodeList; -import org.w3c.dom.traversal.DocumentTraversal; -import org.w3c.dom.traversal.NodeFilter; -import org.w3c.dom.traversal.NodeIterator; - -import at.gv.egovernment.moa.spss.slinterface.Constants; - -/** - * @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at) - */ -public class Utils -{ - /** - * - * @param elem - * @param prefixes - * @param namespaces - * @param names - * - * @pre <code>elem</code> is backed by a <code>org.apache.xerces.dom.DocumentImpl</code>. - */ - public static Element transformDeep(Element elem, Map prefixes, Map namespaces, Map names) - { - // Get node iterator for element - DocumentTraversal docTraversal = (DocumentImpl) elem.getOwnerDocument(); - NodeIterator elemsIt = docTraversal.createNodeIterator(elem, NodeFilter.SHOW_ELEMENT, null, true); - - // Make iterator immutable - List elemsList = new LinkedList(); - while (true) - { - Node currNode = elemsIt.nextNode(); - if (currNode == null) break; - elemsList.add(currNode); - } - - Iterator elemsImmIt = elemsList.iterator(); - Element returnValue = null; - while (elemsImmIt.hasNext()) - { - Element currElem = (Element) elemsImmIt.next(); - - String nsUri = currElem.getNamespaceURI(); - String localName = currElem.getLocalName(); - QName qName = new QName(nsUri, localName); - - // Check if element is in "names" - QName newQName = (QName)names.get(qName); - if (newQName != null) - { - Element transformedElem = transformElem(currElem, newQName, prefixes); - if (returnValue == null) returnValue = transformedElem; - } - else - { - String newNamespace = (String)namespaces.get(nsUri); - if (newNamespace != null) - { - newQName = new QName(newNamespace, localName); - Element transformedElem = transformElem(currElem, newQName, prefixes); - if (returnValue == null) returnValue = transformedElem; - } - } - } - return returnValue; - } - - /* ---------------------------------------------------------------------------------------------------- */ - - private static Element transformElem(Element currElem, QName newQName, Map prefixes) - { - Element newElem = currElem.getOwnerDocument().createElementNS(newQName.nsUrl_, - (String) prefixes.get(newQName.nsUrl_) + ":" + newQName.localName_); - - currElem.getParentNode().replaceChild(newElem, currElem); - - // Treat attributes of currElem - NamedNodeMap currAttrs = currElem.getAttributes(); - ArrayList currAttrsList = new ArrayList(currAttrs.getLength()); - for (int i = 0; i < currAttrs.getLength(); i++) currAttrsList.add(currAttrs.item(i)); - for (int i = 0; i < currAttrsList.size(); i++) - { - Attr currAttr = (Attr)currAttrsList.get(i); - currAttr.getOwnerElement().removeAttributeNode(currAttr); - - // Workaround for bad Xerces behaviour: default attributes in the xml namespace are created without - // the xml prefix - if (Constants.NSURI_XML_.equals(currAttr.getNamespaceURI()) && "space".equals(currAttr.getLocalName())) - { - newElem.setAttributeNS(Constants.NSURI_XML_, "xml:space", currAttr.getValue()); - } - else - { - newElem.setAttributeNode(currAttr); - } - } - - // Treat child nodes of currElem - NodeList currChildren = currElem.getChildNodes(); - ArrayList currChildrenList = new ArrayList(currChildren.getLength()); - for (int i = 0; i < currChildren.getLength(); i++) currChildrenList.add(currChildren.item(i)); - for (int i = 0; i < currChildrenList.size(); i++) - { - Node currChild = (Node)currChildrenList.get(i); - currElem.removeChild(currChild); - newElem.appendChild(currChild); - } - - return newElem; - } -} |