Examples with XPath org.dom4j.XPath used on opensource projects

Example 1 with XPath

use of org.dom4j.XPath in project tdi-studio-se by Talend.

the class DocumentExtractor method getSingleResult.

public String getSingleResult(String name) {
    final String finalName = replaceNamespace(name);
    XPath xpath = org.dom4j.DocumentHelper.createXPath(sb.append("/").append(finalFunction).append("/OUTPUT/").append(finalName).append("|").append("/").append(finalFunction).append("/CHANGING/").append(finalName).toString());
    sb.setLength(0);
    Node node = xpath.selectSingleNode(doc);
    if (node == null) {
        return null;
    }
    return node.getText();
}

Example 2 with XPath

use of org.dom4j.XPath in project Openfire by igniterealtime.

the class XpathHelper method findNodesInDocument.

/**
	 * Search the specified document for Nodes corresponding to the xpath Keep
	 * in mind that you have to use xmpp namespace for searching
	 * Predefined namespaces: 
	 * 	jabber:iq:roster		//roster:*
	 * 	jabber:iq:register		//register:*
	 * 	http://jabber.org/protocol/disco#info			//disco/*
	 * e.g
	 * '//roster:features'
	 * 
	 * @param doc
	 *            document
	 * @param xpath
	 *            with roster namespace for searching in query nodes
	 * @return list of nodes found by xpath expression
	 */
@SuppressWarnings("unchecked")
public static List<Node> findNodesInDocument(Document doc, String xpath) {
    Map<String, String> namespaceUris = new HashMap<String, String>();
    namespaceUris.put("roster", "jabber:iq:roster");
    namespaceUris.put("discoitems", "http://jabber.org/protocol/disco#items");
    namespaceUris.put("register", "jabber:iq:register");
    namespaceUris.put("disco", "http://jabber.org/protocol/disco#info");
    XPath xPath = DocumentHelper.createXPath(xpath);
    xPath.setNamespaceURIs(namespaceUris);
    return xPath.selectNodes(doc);
}

Example 3 with XPath

use of org.dom4j.XPath in project pentaho-kettle by pentaho.

the class GetXMLData method processPutRow.

private Object[] processPutRow(AbstractNode node) throws KettleException {
    // Create new row...
    Object[] outputRowData = buildEmptyRow();
    // Create new row or clone
    if (meta.isInFields()) {
        System.arraycopy(data.readrow, 0, outputRowData, 0, data.nrReadRow);
    }
    try {
        data.nodenr++;
        // Read fields...
        for (int i = 0; i < data.nrInputFields; i++) {
            // Get field
            GetXMLDataField xmlDataField = meta.getInputFields()[i];
            // Get the Path to look for
            String XPathValue = xmlDataField.getXPath();
            XPathValue = environmentSubstitute(XPathValue);
            if (xmlDataField.getElementType() == GetXMLDataField.ELEMENT_TYPE_ATTRIBUT) {
                // We have an attribute
                // do we need to add leading @?
                // Only put @ to the last element in path, not in front at all
                int last = XPathValue.lastIndexOf(GetXMLDataMeta.N0DE_SEPARATOR);
                if (last > -1) {
                    last++;
                    String attribut = XPathValue.substring(last, XPathValue.length());
                    if (!attribut.startsWith(GetXMLDataMeta.AT)) {
                        XPathValue = XPathValue.substring(0, last) + GetXMLDataMeta.AT + attribut;
                    }
                } else {
                    if (!XPathValue.startsWith(GetXMLDataMeta.AT)) {
                        XPathValue = GetXMLDataMeta.AT + XPathValue;
                    }
                }
            }
            if (meta.isuseToken()) {
                // See if user use Token inside path field
                // The syntax is : @_Fieldname-
                // PDI will search for Fieldname value and replace it
                // Fieldname must be defined before the current node
                XPathValue = substituteToken(XPathValue, outputRowData);
                if (isDetailed()) {
                    logDetailed(XPathValue);
                }
            }
            // Get node value
            String nodevalue;
            // Handle namespaces
            if (meta.isNamespaceAware()) {
                XPath xpathField = node.createXPath(addNSPrefix(XPathValue, data.PathValue));
                xpathField.setNamespaceURIs(data.NAMESPACE);
                if (xmlDataField.getResultType() == GetXMLDataField.RESULT_TYPE_VALUE_OF) {
                    nodevalue = xpathField.valueOf(node);
                } else {
                    // nodevalue=xpathField.selectSingleNode(node).asXML();
                    Node n = xpathField.selectSingleNode(node);
                    if (n != null) {
                        nodevalue = n.asXML();
                    } else {
                        nodevalue = "";
                    }
                }
            } else {
                if (xmlDataField.getResultType() == GetXMLDataField.RESULT_TYPE_VALUE_OF) {
                    nodevalue = node.valueOf(XPathValue);
                } else {
                    // nodevalue=node.selectSingleNode(XPathValue).asXML();
                    Node n = node.selectSingleNode(XPathValue);
                    if (n != null) {
                        nodevalue = n.asXML();
                    } else {
                        nodevalue = "";
                    }
                }
            }
            // Do trimming
            switch(xmlDataField.getTrimType()) {
                case GetXMLDataField.TYPE_TRIM_LEFT:
                    nodevalue = Const.ltrim(nodevalue);
                    break;
                case GetXMLDataField.TYPE_TRIM_RIGHT:
                    nodevalue = Const.rtrim(nodevalue);
                    break;
                case GetXMLDataField.TYPE_TRIM_BOTH:
                    nodevalue = Const.trim(nodevalue);
                    break;
                default:
                    break;
            }
            // Do conversions
            // 
            ValueMetaInterface targetValueMeta = data.outputRowMeta.getValueMeta(data.totalpreviousfields + i);
            ValueMetaInterface sourceValueMeta = data.convertRowMeta.getValueMeta(data.totalpreviousfields + i);
            outputRowData[data.totalpreviousfields + i] = targetValueMeta.convertData(sourceValueMeta, nodevalue);
            // Do we need to repeat this field if it is null?
            if (meta.getInputFields()[i].isRepeated()) {
                if (data.previousRow != null && Utils.isEmpty(nodevalue)) {
                    outputRowData[data.totalpreviousfields + i] = data.previousRow[data.totalpreviousfields + i];
                }
            }
        }
        // End of loop over fields...
        int rowIndex = data.totalpreviousfields + data.nrInputFields;
        // See if we need to add the filename to the row...
        if (meta.includeFilename() && !Utils.isEmpty(meta.getFilenameField())) {
            outputRowData[rowIndex++] = data.filename;
        }
        // See if we need to add the row number to the row...
        if (meta.includeRowNumber() && !Utils.isEmpty(meta.getRowNumberField())) {
            outputRowData[rowIndex++] = data.rownr;
        }
        // Possibly add short filename...
        if (meta.getShortFileNameField() != null && meta.getShortFileNameField().length() > 0) {
            outputRowData[rowIndex++] = data.shortFilename;
        }
        // Add Extension
        if (meta.getExtensionField() != null && meta.getExtensionField().length() > 0) {
            outputRowData[rowIndex++] = data.extension;
        }
        // add path
        if (meta.getPathField() != null && meta.getPathField().length() > 0) {
            outputRowData[rowIndex++] = data.path;
        }
        // Add Size
        if (meta.getSizeField() != null && meta.getSizeField().length() > 0) {
            outputRowData[rowIndex++] = data.size;
        }
        // add Hidden
        if (meta.isHiddenField() != null && meta.isHiddenField().length() > 0) {
            outputRowData[rowIndex++] = Boolean.valueOf(data.path);
        }
        // Add modification date
        if (meta.getLastModificationDateField() != null && meta.getLastModificationDateField().length() > 0) {
            outputRowData[rowIndex++] = data.lastModificationDateTime;
        }
        // Add Uri
        if (meta.getUriField() != null && meta.getUriField().length() > 0) {
            outputRowData[rowIndex++] = data.uriName;
        }
        // Add RootUri
        if (meta.getRootUriField() != null && meta.getRootUriField().length() > 0) {
            outputRowData[rowIndex] = data.rootUriName;
        }
        RowMetaInterface irow = getInputRowMeta();
        if (irow == null) {
            data.previousRow = outputRowData;
        } else {
            // clone to previously allocated array to make sure next step doesn't
            // change it in between...
            System.arraycopy(outputRowData, 0, this.prevRow, 0, outputRowData.length);
            // Pick up everything else that needs a real deep clone
            data.previousRow = irow.cloneRow(outputRowData, this.prevRow);
        }
    } catch (Exception e) {
        if (getStepMeta().isDoingErrorHandling()) {
            // Simply add this row to the error row
            putError(data.outputRowMeta, outputRowData, 1, e.toString(), null, "GetXMLData001");
            data.errorInRowButContinue = true;
            return null;
        } else {
            logError(e.toString());
            throw new KettleException(e.toString());
        }
    }
    return outputRowData;
}

Example 4 with XPath

use of org.dom4j.XPath in project archiva by apache.

the class XMLReader method getElementText.

public String getElementText(String xpathExpr) throws XMLException {
    XPath xpath = createXPath(xpathExpr);
    Object evaluated = xpath.selectSingleNode(document);
    if (evaluated == null) {
        return null;
    }
    if (evaluated instanceof Element) {
        Element evalElem = (Element) evaluated;
        return evalElem.getTextTrim();
    } else {
        // Unknown evaluated type.
        throw new XMLException(".getElementText( Expr: " + xpathExpr + " ) resulted in non-Element type -> (" + evaluated.getClass().getName() + ") " + evaluated);
    }
}

Example 5 with XPath

use of org.dom4j.XPath in project OpenOLAT by OpenOLAT.

the class ResultsBuilder method getResDoc.

/**
 * Method getResDoc.
 *
 * @param ai The assessment instance
 * @param locale The users locale
 * @param identity
 * @return Document The XML document
 */
public Document getResDoc(AssessmentInstance ai, Locale locale, Identity identity) {
    AssessmentContext ac = ai.getAssessmentContext();
    DocumentFactory df = DocumentFactory.getInstance();
    Document res_doc = df.createDocument();
    Element root = df.createElement("qti_result_report");
    res_doc.setRootElement(root);
    Element result = root.addElement("result");
    Element extension_result = result.addElement("extension_result");
    String baseUrl = ai.getResolver().getStaticsBaseURI() + "/";
    // extension_result.
    for (int i = 0; i < ac.getSectionContextCount(); i++) {
        SectionContext sectionCtx = ac.getSectionContext(i);
        for (int j = 0; j < sectionCtx.getItemContextCount(); j++) {
            // OO-148
            // on some occasions this did throw an IllegalAddException
            // because el_item had already a parent.
            // make a clone for adding to extension_result
            Element el_item = (Element) sectionCtx.getItemContext(j).getEl_item().clone();
            recurseMattextForMediaURLFiltering(baseUrl, el_item);
            extension_result.add(el_item);
        }
    }
    // add ims cp id for any media references
    addStaticsPath(extension_result, ai);
    // add assessment_result
    // Add User information
    Element context = result.addElement("context");
    User user = identity.getUser();
    String name = user.getProperty(UserConstants.FIRSTNAME, locale) + " " + user.getProperty(UserConstants.LASTNAME, locale);
    String instId = user.getProperty(UserConstants.INSTITUTIONALUSERIDENTIFIER, locale);
    String instName = user.getProperty(UserConstants.INSTITUTIONALNAME, locale);
    if (instId == null)
        instId = "N/A";
    context.addElement("name").addText(name);
    String institution;
    if (instName == null) {
        institution = "N/A";
    } else {
        institution = instName;
    }
    // Add institutional identifier (e.g. Matrikelnummer)
    Element generic_identifier = context.addElement("generic_identifier");
    generic_identifier.addElement("type_label").addText(institution);
    generic_identifier.addElement("identifier_string").addText(instId);
    // Add start and stop date formatted as datetime
    Element beginDate = context.addElement("date");
    beginDate.addElement("type_label").addText("Start");
    beginDate.addElement("datetime").addText(Formatter.formatDatetime(new Date(ac.getTimeOfStart())));
    Element stopDate = context.addElement("date");
    stopDate.addElement("type_label").addText("Stop");
    stopDate.addElement("datetime").addText(Formatter.formatDatetime(new Date(ac.getTimeOfStop())));
    Element ares = result.addElement("assessment_result");
    ares.addAttribute("ident_ref", ac.getIdent());
    if (ac.getTitle() != null) {
        ares.addAttribute("asi_title", ac.getTitle());
    }
    // process assessment score
    Element a_score = ares.addElement("outcomes").addElement("score");
    a_score.addAttribute("varname", "SCORE");
    String strVal = StringHelper.formatFloat(ac.getScore(), 2);
    a_score.addElement("score_value").addText(strVal);
    strVal = ac.getMaxScore() == -1.0f ? "N/A" : StringHelper.formatFloat(ac.getMaxScore(), 2);
    a_score.addElement("score_max").addText(strVal);
    strVal = ac.getCutvalue() == -1.0f ? "N/A" : StringHelper.formatFloat(ac.getCutvalue(), 2);
    a_score.addElement("score_cut").addText(strVal);
    addElementText(ares, "duration", QTIHelper.getISODuration(ac.getDuration()));
    addElementText(ares, "num_sections", "" + ac.getSectionContextCount());
    addElementText(ares, "num_sections_presented", "0");
    addElementText(ares, "num_items", "" + ac.getItemContextCount());
    addElementText(ares, "num_items_presented", "" + ac.getItemsPresentedCount());
    addElementText(ares, "num_items_attempted", "" + ac.getItemsAttemptedCount());
    // add section_result
    int secnt = ac.getSectionContextCount();
    for (int i = 0; i < secnt; i++) {
        SectionContext secc = ac.getSectionContext(i);
        Element secres = ares.addElement("section_result");
        secres.addAttribute("ident_ref", secc.getIdent());
        if (secc.getTitle() != null) {
            secres.addAttribute("asi_title", secc.getTitle());
        }
        addElementText(secres, "duration", QTIHelper.getISODuration(secc.getDuration()));
        addElementText(secres, "num_items", "" + secc.getItemContextCount());
        addElementText(secres, "num_items_presented", "" + secc.getItemsPresentedCount());
        addElementText(secres, "num_items_attempted", "" + secc.getItemsAttemptedCount());
        // process section score
        Element sec_score = secres.addElement("outcomes").addElement("score");
        sec_score.addAttribute("varname", "SCORE");
        strVal = secc.getScore() == -1.0f ? "N/A" : "" + StringHelper.formatFloat(secc.getScore(), 2);
        sec_score.addElement("score_value").addText(strVal);
        strVal = secc.getMaxScore() == -1.0f ? "N/A" : "" + StringHelper.formatFloat(secc.getMaxScore(), 2);
        sec_score.addElement("score_max").addText(strVal);
        strVal = secc.getCutValue() == -1 ? "N/A" : "" + secc.getCutValue();
        sec_score.addElement("score_cut").addText(strVal);
        // iterate over all items in this section context
        List<ItemContext> itemsc = secc.getSectionItemContexts();
        for (Iterator<ItemContext> it_it = itemsc.iterator(); it_it.hasNext(); ) {
            ItemContext itemc = it_it.next();
            Element itres = secres.addElement("item_result");
            itres.addAttribute("ident_ref", itemc.getIdent());
            itres.addAttribute("asi_title", itemc.getEl_item().attributeValue("title"));
            Element it_duration = itres.addElement("duration");
            it_duration.addText(QTIHelper.getISODuration(itemc.getTimeSpent()));
            // process item score
            DecimalVariable scoreVar = (DecimalVariable) (itemc.getVariables().getSCOREVariable());
            Element it_score = itres.addElement("outcomes").addElement("score");
            it_score.addAttribute("varname", "SCORE");
            it_score.addElement("score_value").addText(StringHelper.formatFloat(scoreVar.getTruncatedValue(), 2));
            strVal = scoreVar.hasMinValue() ? "" + scoreVar.getMinValue() : "0.0";
            it_score.addElement("score_min").addText(strVal);
            strVal = scoreVar.hasMaxValue() ? "" + scoreVar.getMaxValue() : "N/A";
            it_score.addElement("score_max").addText(strVal);
            strVal = scoreVar.hasCutValue() ? "" + scoreVar.getCutValue() : "N/A";
            it_score.addElement("score_cut").addText(strVal);
            Element el_item = itemc.getEl_item();
            Map<String, Element> res_responsehash = new HashMap<>(3);
            // iterate over all responses of this item
            List resps = el_item.selectNodes(".//response_lid|.//response_xy|.//response_str|.//response_num|.//response_grp");
            for (Iterator it_resp = resps.iterator(); it_resp.hasNext(); ) {
                Element resp = (Element) it_resp.next();
                String ident = resp.attributeValue("ident");
                String rcardinality = resp.attributeValue("rcardinality");
                String rtiming = resp.attributeValue("rtiming");
                // add new response
                Element res_response = itres.addElement("response");
                res_response.addAttribute("ident_ref", ident);
                // enable lookup of
                res_responsehash.put(ident, res_response);
                // @identref of <response>
                // (needed with <varequal>
                // elements
                // add new response_form
                // <response_lid ident="MR01" rcardinality="Multiple" rtiming="No">
                Element res_responseform = res_response.addElement("response_form");
                res_responseform.addAttribute("cardinality", rcardinality);
                res_responseform.addAttribute("timing", rtiming);
                String respName = resp.getName();
                String type = respName.substring(respName.indexOf("_") + 1);
                res_responseform.addAttribute("response_type", type);
                // add user answer
                ItemInput itemInp = itemc.getItemInput();
                Translator trans = Util.createPackageTranslator(QTIModule.class, locale);
                if (itemInp == null) {
                    // user did not answer this question at all
                    res_response.addElement("response_value").addText(trans.translate("ResBuilder.NoAnswer"));
                } else {
                    List<String> userAnswer = itemInp.getAsList(ident);
                    if (userAnswer == null) {
                        // user did not answer this question at
                        // all
                        res_response.addElement("response_value").addText(trans.translate("ResBuilder.NoAnswer"));
                    } else {
                        // simply click send)
                        for (Iterator<String> it_ans = userAnswer.iterator(); it_ans.hasNext(); ) {
                            res_response.addElement("response_value").addText(it_ans.next());
                        }
                    }
                }
            }
            /*
				 * The simple element correct_response can only list correct elements,
				 * that is, no "or" or "and" elements may be in the conditionvar.
				 * Pragmatic solution: if condition has ors or ands, then put whole
				 * conditionvar into <extension_response> (proprietary), and for easier
				 * cases (just "varequal" "not" elements) use correct_response.
				 */
            // keys: respIdents, values: HashSet
            Map<String, Set<String>> corr_answers = new HashMap<>();
            // of correct answers for this
            // respIdent
            List respconds = el_item.selectNodes(".//respcondition");
            for (Iterator it_respc = respconds.iterator(); it_respc.hasNext(); ) {
                Element el_respc = (Element) it_respc.next();
                // check for add/set in setvar elements (check for single instance
                // only -> spec allows for multiple instances)
                Element el_setvar = (Element) el_respc.selectSingleNode(".//setvar");
                if (el_setvar == null)
                    continue;
                if (el_setvar.attributeValue("action").equals("Add") || el_setvar.attributeValue("action").equals("Set")) {
                    // This resrocessing gives points -> assume correct answer
                    float numPoints = 0;
                    try {
                        numPoints = Float.parseFloat(el_setvar.getTextTrim());
                    } catch (NumberFormatException nfe) {
                    // 
                    }
                    if (numPoints <= 0)
                        continue;
                    Element conditionvar = (Element) el_respc.selectSingleNode(".//conditionvar");
                    // there is an evaluation defined (a "resprocessing" element exists)
                    // if (xpath(count(.//varequal) + count(.//not) = count(.//*)) is
                    // true, then there are only "not" and "varequal" elements
                    XPath xCanHandle = DocumentHelper.createXPath("count(.//varequal) + count(.//not) = count(.//*)");
                    boolean canHandle = xCanHandle.matches(conditionvar);
                    if (!canHandle) {
                        // maybe we have <condvar> <and> <...>, try again
                        Element el_and = (Element) conditionvar.selectSingleNode("and");
                        if (el_and != null) {
                            canHandle = xCanHandle.matches(el_and);
                            if (canHandle) {
                                // simultate the el_and to be the conditionvar
                                conditionvar = el_and;
                            }
                        } else {
                            // and finally, maybe we have an <or> element ..
                            Element el_or = (Element) conditionvar.selectSingleNode("or");
                            if (el_or != null) {
                                canHandle = xCanHandle.matches(el_or);
                                if (canHandle) {
                                    // simultate the el_and to be the conditionvar
                                    conditionvar = el_or;
                                }
                            }
                        }
                    }
                    if (!canHandle) {
                        // qti res 1.2.1 can't handle it
                        Element condcopy = conditionvar.createCopy();
                        itres.addElement("extension_item_result").add(condcopy);
                    } else {
                        /*
							 * easy case: get all varequal directly under the conditionvar
							 * element and assume the "not" elements do not contain "not"
							 * elements again... <!ELEMENT response (qti_comment? ,
							 * response_form? , num_attempts? , response_value* ,
							 * extension_response?)> <!ELEMENT response_form
							 * (correct_response* , extension_responseform?)> <!ELEMENT
							 * correct_response (#PCDATA)>
							 */
                        List vareqs = conditionvar.selectNodes("./varequal");
                        for (Iterator it_vareq = vareqs.iterator(); it_vareq.hasNext(); ) {
                            /*
								 * get the identifier of the response, so that we can attach the
								 * <correct_response> to the right <response> element quote: ims
								 * qti asi xml binding :3.6.23.1 <varequal> Element: respident
								 * (required). The identifier of the corresponding
								 * <response_lid>, <response_xy>, etc. element (this was
								 * assigned using its ident attribute).
								 */
                            Element vareq = (Element) it_vareq.next();
                            String respIdent = vareq.attributeValue("respident");
                            Set<String> respIdent_corr_answers = corr_answers.get(respIdent);
                            if (respIdent_corr_answers == null)
                                respIdent_corr_answers = new HashSet<String>(3);
                            respIdent_corr_answers.add(vareq.getText());
                            corr_answers.put(respIdent, respIdent_corr_answers);
                        }
                    // for varequal
                    }
                // else varequal
                }
            // add/set setvar
            }
            // for resprocessing
            Set<String> resp_ids = corr_answers.keySet();
            for (Iterator<String> idents = resp_ids.iterator(); idents.hasNext(); ) {
                String respIdent = idents.next();
                Set<String> respIdent_corr_answers = corr_answers.get(respIdent);
                Element res_response = res_responsehash.get(respIdent);
                Element res_respform = res_response.element("response_form");
                for (Iterator<String> iter = respIdent_corr_answers.iterator(); iter.hasNext(); ) {
                    String answer = iter.next();
                    res_respform.addElement("correct_response").addText(answer);
                }
            }
        }
    // for response_xy
    }
    return res_doc;
}