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

Example 6 with XPath

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

the class ScormCPManifestTreeModel method buildNode.

private GenericTreeNode buildNode(Element item) {
    GenericTreeNode treeNode = new GenericTreeNode();
    // extract title
    String title = item.elementText("title");
    if (title == null)
        title = item.attributeValue("identifier");
    treeNode.setAltText(title);
    treeNode.setTitle(title);
    if (item.getName().equals("organization")) {
        treeNode.setIconCssClass("o_scorm_org");
        treeNode.setAccessible(false);
    } else if (item.getName().equals("item")) {
        scormIdToNode.put(new Integer(nodeId).toString(), treeNode);
        nodeToId.put(treeNode, new Integer(nodeId));
        // set node images according to scorm sco status
        String itemStatusDesc = itemStatus.get(Integer.toString(nodeId));
        treeNode.setIconCssClass("o_scorm_item");
        if (itemStatusDesc != null && !"not_attempted".equals(itemStatusDesc)) {
            // add icon decorator for current status
            String decorator = "o_scorm_" + itemStatusDesc;
            treeNode.setIconDecorator1CssClass(decorator);
        }
        nodeId++;
        // set resolved file path directly
        String identifierref = item.attributeValue("identifierref");
        XPath meta = rootElement.createXPath("//ns:resource[@identifier='" + identifierref + "']");
        meta.setNamespaceURIs(nsuris);
        String href = resources.get(identifierref);
        if (href != null) {
            treeNode.setUserObject(href);
            // allow lookup of a treenode given a href so we can quickly adjust the menu if the user clicks on hyperlinks within the text
            hrefToTreeNode.put(href, treeNode);
        } else
            treeNode.setAccessible(false);
    }
    List<Element> chds = item.elements("item");
    int childcnt = chds.size();
    for (int i = 0; i < childcnt; i++) {
        Element childitem = chds.get(i);
        GenericTreeNode gtnchild = buildNode(childitem);
        treeNode.addChild(gtnchild);
    }
    return treeNode;
}

Example 7 with XPath

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

the class CPManifestTreeModel method initDocument.

private void initDocument(Document doc) {
    // get all organization elements. need to set namespace
    rootElement = doc.getRootElement();
    String nsuri = rootElement.getNamespace().getURI();
    nsuris.put("ns", nsuri);
    XPath meta = rootElement.createXPath("//ns:organization");
    meta.setNamespaceURIs(nsuris);
    // TODO: accept several organizations?
    Element orgaEl = (Element) meta.selectSingleNode(rootElement);
    if (orgaEl == null)
        throw new AssertException("could not find element organization");
    XPath metares = rootElement.createXPath("//ns:resources");
    metares.setNamespaceURIs(nsuris);
    Element elResources = (Element) metares.selectSingleNode(rootElement);
    if (elResources == null)
        throw new AssertException("could not find element resources");
    @SuppressWarnings("unchecked") List<Element> resourcesList = elResources.elements("resource");
    resources = new HashMap<String, String>(resourcesList.size());
    for (Iterator<Element> iter = resourcesList.iterator(); iter.hasNext(); ) {
        Element elRes = iter.next();
        String identVal = elRes.attributeValue("identifier");
        String hrefVal = elRes.attributeValue("href");
        if (hrefVal != null) {
            // href is optional element for resource element
            try {
                hrefVal = URLDecoder.decode(hrefVal, "UTF-8");
            } catch (UnsupportedEncodingException e) {
            // each JVM must implement UTF-8
            }
        }
        resources.put(identVal, hrefVal);
    }
    GenericTreeNode gtn = buildNode(orgaEl);
    setRootNode(gtn);
    // help gc
    rootElement = null;
    resources = null;
}

Example 8 with XPath

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

the class ImsCPFileResource method validateImsManifest.

private static boolean validateImsManifest(Document doc) {
    try {
        // do not throw exception already here, as it might be only a generic zip file
        if (doc == null)
            return false;
        // get all organization elements. need to set namespace
        Element rootElement = doc.getRootElement();
        String nsuri = rootElement.getNamespace().getURI();
        Map<String, String> nsuris = new HashMap<>(1);
        nsuris.put("ns", nsuri);
        // Check for organiztaion element. Must provide at least one... title gets ectracted from either
        // the (optional) <title> element or the mandatory identifier attribute.
        // This makes sure, at least a root node gets created in CPManifestTreeModel.
        XPath meta = rootElement.createXPath("//ns:organization");
        meta.setNamespaceURIs(nsuris);
        // TODO: accept several organizations?
        Element orgaEl = (Element) meta.selectSingleNode(rootElement);
        if (orgaEl == null) {
            return false;
        }
        // Check for at least one <item> element referencing a <resource>, which will serve as an entry point.
        // This is mandatory, as we need an entry point as the user has the option of setting
        // CPDisplayController to not display a menu at all, in which case the first <item>/<resource>
        // element pair gets displayed.
        XPath resourcesXPath = rootElement.createXPath("//ns:resources");
        resourcesXPath.setNamespaceURIs(nsuris);
        Element elResources = (Element) resourcesXPath.selectSingleNode(rootElement);
        if (elResources == null) {
            // no <resources> element.
            return false;
        }
        XPath itemsXPath = rootElement.createXPath("//ns:item");
        itemsXPath.setNamespaceURIs(nsuris);
        List items = itemsXPath.selectNodes(rootElement);
        if (items.size() == 0) {
            // no <item> element.
            return false;
        }
        for (Iterator iter = items.iterator(); iter.hasNext(); ) {
            Element item = (Element) iter.next();
            String identifierref = item.attributeValue("identifierref");
            if (identifierref == null)
                continue;
            XPath resourceXPath = rootElement.createXPath("//ns:resource[@identifier='" + identifierref + "']");
            resourceXPath.setNamespaceURIs(nsuris);
            Element elResource = (Element) resourceXPath.selectSingleNode(elResources);
            if (elResource == null) {
                return false;
            }
            if (elResource.attribute("scormtype") != null) {
                return false;
            }
            if (elResource.attribute("scormType") != null) {
                return false;
            }
            if (elResource.attribute("SCORMTYPE") != null) {
                return false;
            }
            if (elResource.attributeValue("href") != null) {
                // success.
                return true;
            }
        }
    } catch (Exception e) {
        log.warn("", e);
    }
    return false;
}

Example 9 with XPath

use of org.dom4j.XPath in project openolat by klemens.

the class ScormCPManifestTreeModel method buildNode.

private GenericTreeNode buildNode(Element item) {
    GenericTreeNode treeNode = new GenericTreeNode();
    // extract title
    String title = item.elementText("title");
    if (title == null)
        title = item.attributeValue("identifier");
    treeNode.setAltText(title);
    treeNode.setTitle(title);
    if (item.getName().equals("organization")) {
        treeNode.setIconCssClass("o_scorm_org");
        treeNode.setAccessible(false);
    } else if (item.getName().equals("item")) {
        scormIdToNode.put(new Integer(nodeId).toString(), treeNode);
        nodeToId.put(treeNode, new Integer(nodeId));
        // set node images according to scorm sco status
        String itemStatusDesc = itemStatus.get(Integer.toString(nodeId));
        treeNode.setIconCssClass("o_scorm_item");
        if (itemStatusDesc != null && !"not_attempted".equals(itemStatusDesc)) {
            // add icon decorator for current status
            String decorator = "o_scorm_" + itemStatusDesc;
            treeNode.setIconDecorator1CssClass(decorator);
        }
        nodeId++;
        // set resolved file path directly
        String identifierref = item.attributeValue("identifierref");
        XPath meta = rootElement.createXPath("//ns:resource[@identifier='" + identifierref + "']");
        meta.setNamespaceURIs(nsuris);
        String href = resources.get(identifierref);
        if (href != null) {
            treeNode.setUserObject(href);
            // allow lookup of a treenode given a href so we can quickly adjust the menu if the user clicks on hyperlinks within the text
            hrefToTreeNode.put(href, treeNode);
        } else
            treeNode.setAccessible(false);
    }
    List<Element> chds = item.elements("item");
    int childcnt = chds.size();
    for (int i = 0; i < childcnt; i++) {
        Element childitem = chds.get(i);
        GenericTreeNode gtnchild = buildNode(childitem);
        treeNode.addChild(gtnchild);
    }
    return treeNode;
}

Example 10 with XPath

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

the class GetXMLData method processPutRow.

private Object[] processPutRow(Node 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.getResolvedXPath();
            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;
            Boolean xmlMissingTagYieldsNullValue = convertStringToBoolean(Const.NVL(System.getProperty(Const.KETTLE_XML_MISSING_TAG_YIELDS_NULL_VALUE, "N"), "N"));
            // 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) {
                    if (xmlMissingTagYieldsNullValue) {
                        nodevalue = xpathField.selectSingleNode(node) != null ? xpathField.valueOf(node) : null;
                    } else {
                        nodevalue = xpathField.valueOf(node);
                    }
                } else {
                    Node n = xpathField.selectSingleNode(node);
                    if (n != null) {
                        nodevalue = n.asXML();
                    } else {
                        nodevalue = xmlMissingTagYieldsNullValue ? null : "";
                    }
                }
            } else {
                if (xmlDataField.getResultType() == GetXMLDataField.RESULT_TYPE_VALUE_OF) {
                    if (xmlMissingTagYieldsNullValue) {
                        nodevalue = node.selectSingleNode(XPathValue) != null ? node.valueOf(XPathValue) : null;
                    } else {
                        nodevalue = node.valueOf(XPathValue);
                    }
                } else {
                    Node n = node.selectSingleNode(XPathValue);
                    if (n != null) {
                        nodevalue = n.asXML();
                    } else {
                        nodevalue = xmlMissingTagYieldsNullValue ? null : "";
                    }
                }
            }
            // 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;
}