Java Code Examples for org.dom4j.Element#selectNodes()

/**
*/
  @Override
  public Object parse(final Element element) {
      // assert element.getName().equalsIgnoreCase("outcomes_processing");

      final OutcomesProcessing outcomesProcessing = new OutcomesProcessing();

      final List decvars = element.selectNodes("*/decvar");
      if (decvars.size() == 0) {
          return outcomesProcessing;
      }

      final Element decvar = (Element) decvars.get(0);
      for (final Iterator iter = decvar.attributeIterator(); iter.hasNext();) {
          final Attribute attr = (Attribute) iter.next();
          outcomesProcessing.setField(attr.getName(), attr.getValue());
      }
      return outcomesProcessing;
  }
 

public static void main(String[] args) throws Exception {
    Document doc = new SAXReader().read(new FileInputStream(new File("/home/cruise/sample_junit.xml")));
    Element suite = (Element) doc.selectSingleNode("//testsuite");
    Element rootElement = doc.getRootElement();
    for (int i = 0; i < 50000; i++) {
        Element copy = suite.createCopy();
        setAttr(i, copy, "name");
        setAttr(i, copy, "hostname");
        List<Element> elements = copy.selectNodes(".//testcase");
        for (Element element : elements) {
            setAttr(i, element, "classname");
            setAttr(i, element, "name");
        }
        rootElement.add(copy);
    }
    FileUtils.writeStringToFile(new File("/tmp/repo/imagine.xml"), doc.asXML(), UTF_8);
}
 

/**
*/
  @Override
  public Object parse(final Element element) {
      // assert element.getName().equalsIgnoreCase("outcomes_processing");

      final OutcomesProcessing outcomesProcessing = new OutcomesProcessing();

      final List decvars = element.selectNodes("*/decvar");
      if (decvars.size() == 0) {
          return outcomesProcessing;
      }

      final Element decvar = (Element) decvars.get(0);
      for (final Iterator iter = decvar.attributeIterator(); iter.hasNext();) {
          final Attribute attr = (Attribute) iter.next();
          outcomesProcessing.setField(attr.getName(), attr.getValue());
      }
      return outcomesProcessing;
  }
 

@SuppressWarnings("unchecked")
@Override
public StateLike parse(Element elem) {
    require(elem.attributeValue("name") != null,
        "attribute 'name' in node is required");
    stateName = elem.attributeValue("name");
    stateAlias = elem.attributeValue("alias");
    // 得到所有该节点下的 paths 下的 path
    List<Element> childPaths = elem.selectNodes(PATH_TAG);
    for (Element node : childPaths) {
        require(node.attributeValue("to") != null, "attribute to in path node is required");

        String pathTo = node.attributeValue("to");
        String expr = null;
        if (node.attributeValue("expr") != null) {
            expr = node.attributeValue("expr");
        }
        // 新实例一个path,并加入到paths中
        Path pt = new Path(pathTo, expr);
        // 添加到path 列表中
        paths.add(pt);
    }
    return this;
}
 

/**
    * Fetch choices.
    * @param response_labels
    * @return Map of choices.
    */
public static List<Response> fetchChoices(List response_labels) {
	List<Response> choices = new ArrayList<Response>();
	for (Iterator i = response_labels.iterator(); i.hasNext();) {
		ChoiceResponse choice = new ChoiceResponse();
		Element response_label = (Element) i.next();
           choice.setIdent(response_label.attributeValue("ident"));

		List materials = response_label.selectNodes(".//material");
		Material content = new Material();
		for (Iterator iter = materials.iterator(); iter.hasNext();) {
			Element el_material = (Element) iter.next();
			Material mat = (Material) parserManager.parse(el_material);
               content.getElements().addAll(mat.getElements());
           }
           // assure material always has some content
		if (content.getElements().size() == 0) content.getElements().add(new Mattext("[blank]"));
           choice.setContent(content);
           choices.add(choice);
       }
       return choices;
   }
 

public static void removeStringValue(File file, String key) throws IOException, DocumentException {

        if (!file.exists()) {
            return;
        }

        Document document = XmlHelper.readXml(file);// Read the XML file
        Element root = document.getRootElement();// Get the root node
        List<? extends Node> nodes = root.selectNodes("//string");
        for (Node node : nodes) {
            Element element = (Element)node;
            String name = element.attributeValue("name");
            if (key.equals(name)) {
                element.getParent().remove(element);
                break;
            }
        }
        // sLogger.warn("[resxmlediter] add " + key + " to " + file.getAbsolutePath());
        XmlHelper.saveDocument(document, file);
    }
 

@SuppressWarnings("unchecked")
protected void loadRoles(Element root, PermissionsConfigTO config) {
    if (root.getName().equals(StudioXmlConstants.DOCUMENT_ROLE_MAPPINGS)) {
        Map<String, List<String>> rolesMap = new HashMap<String, List<String>>();

        List<Node> userNodes = root.selectNodes(StudioXmlConstants.DOCUMENT_ELM_USER_NODE);
        rolesMap = getRoles(userNodes, rolesMap);

        List<Node> groupNodes = root.selectNodes(StudioXmlConstants.DOCUMENT_ELM_GROUPS_NODE);
        rolesMap = getRoles(groupNodes, rolesMap);

        config.setRoles(rolesMap);
    }
}
 

/**
*/
  @Override
  public Object parse(final Element element) {
      // assert element.getName().equalsIgnoreCase("qtimetadata");

      final Metadata meta = new Metadata();
      final List metadatafields = element.selectNodes("./qtimetadatafield");
      for (final Iterator iter = metadatafields.iterator(); iter.hasNext();) {
          final Element metadatafield = (Element) iter.next();
          final String key = metadatafield.elementText("fieldlabel");
          final String value = metadatafield.elementText("fieldentry");
          meta.setField(key, value);
      }
      return meta;
  }
 

/**
*/
  @Override
  public Object parse(final Element element) {
      // assert element.getName().equalsIgnoreCase("selection_ordering");

      final SelectionOrdering selectionOrdering = new SelectionOrdering();

      // Set correct selection of items. To select all is the default value (represented
      // by a non existing 'selection_number' element. Otherwhise the exact number given
      // in the 'selection_number' element is taken')
      final List el_selections = element.selectNodes("selection");
      if (el_selections.size() > 1) {
          // error
          throw new OLATRuntimeException(SelectionOrderingParser.class, "more then one selection element", new IllegalStateException());
      }
      if (el_selections.size() != 0) {
          final Element el_selection = ((Element) el_selections.get(0));
          final Element selection_number = (Element) el_selection.selectSingleNode("selection_number");

          if (selection_number != null) {
              selectionOrdering.setSelectionNumber(Integer.parseInt(selection_number.getText()));
          }
      }
      // else use default value

      // Set correct order type. Use sequential ordering als default if none defined
      final Element order = (Element) element.selectSingleNode("//order");
      if (order != null) {
          final String order_type = order.attributeValue(SelectionOrdering.ORDER_TYPE);
          if (order_type != null && order_type.equals(SelectionOrdering.RANDOM)) {
              selectionOrdering.setOrderType(SelectionOrdering.RANDOM);
              // else use default value
          }
      }

      return selectionOrdering;
  }
 

/**
* 
*/
  public static Variables declareVariables(final Element el_outcomes) {
      String varName;
      final Variables variables = new Variables();

      if (el_outcomes == null) {
          return variables;
      }
      final List decvars = el_outcomes.selectNodes("decvar");
      /*
       * <decvar defaultval = "0" varname = "Var_SumofScores" vartype = "Integer" minvalue = "-10" maxvalue = "10" cutvalue = "0"/> <decvar minvalue = "0" maxvalue =
       * "1" defaultval = "0"/>
       */
      for (final Iterator iter = decvars.iterator(); iter.hasNext();) {
          final Element decvar = (Element) iter.next();
          varName = decvar.attributeValue("varname"); // dtd CDATA 'SCORE'
          if (varName == null) {
              varName = "SCORE";
          }
          String varType = decvar.attributeValue("vartype");
          if (varType == null) {
              varType = "Integer"; // default
          }
          Variable v = null;
          if (varType.equals("Integer") || varType.equals("Decimal")) {
              final String def = decvar.attributeValue("defaultval");
              final String min = decvar.attributeValue("minvalue");
              final String max = decvar.attributeValue("maxvalue");
              final String cut = decvar.attributeValue("cutvalue");
              v = new DecimalVariable(varName, max, min, cut, def);
              variables.setVariable(v);
          } else {
              throw new RuntimeException("vartype " + varType + " not supported (declaration)");
          }

      }
      return variables;
  }
 

/**
 * ims qti 1.2.1 <!ELEMENT resprocessing (qticomment? , outcomes , respcondition+)> also <!ELEMENT respcondition (qticomment? , conditionvar , setvar* ,
 * displayfeedback*)> <!ATTLIST respcondition %I_Continue; %I_Title; > mit <!ENTITY % I_Continue " continue  (Yes | No )  'No'"> <!ELEMENT conditionvar (not | and |
 * or | unanswered | other | varequal | varlt | varlte | vargt | vargte | varsubset | varinside | varsubstring | durequal | durlt | durlte | durgt | durgte)+>
 * <!ELEMENT outcomes (qticomment? , (decvar , interpretvar*)+)> <!ELEMENT decvar (#PCDATA)> <!ATTLIST decvar %I_VarName; vartype (Integer | String | Decimal |
 * Scientific | Boolean | Enumerated | Set ) 'Integer' defaultval CDATA #IMPLIED minvalue CDATA #IMPLIED maxvalue CDATA #IMPLIED members CDATA #IMPLIED cutvalue CDATA
 * #IMPLIED >
 * 
 * @param n
 * @param userContext
 */
public void evalAnswer(final Element n, final ItemContext userContext) {

    // first initialize all variables as stated in decvar elements
    userContext.resetVariables();

    // now eval all respconditions as long as continue="Yes"
    final QTI_respcondition respCondition = QTIHelper.getQTI_respcondition();
    final List el_respconditions = n.selectNodes("respcondition");
    final int size = el_respconditions.size();
    boolean cont = true;
    int i = 0;
    boolean hasBeenTrue = false;
    final EvalContext ect = new EvalContext();
    ect.setHasBeenTrue(hasBeenTrue);
    while (cont && i < size) {
        final Element el_respcond = (Element) el_respconditions.get(i);
        final String str_continue = el_respcond.attributeValue("continue");
        cont = (str_continue == null) ? false : str_continue.equals("Yes"); // default: No
        // eval conditions and set vars accordingly
        final boolean res = respCondition.process(el_respcond, userContext, ect);
        if (!res) {
            cont = true; // continue flag only effective if previous didn't match
        }
        hasBeenTrue = hasBeenTrue || res;
        ect.setHasBeenTrue(hasBeenTrue);
        i++;
    }

}
 

/**
*/
  @Override
  public Object parse(final Element element) {
      // assert element.getName().equalsIgnoreCase("qtimetadata");

      final Metadata meta = new Metadata();
      final List metadatafields = element.selectNodes("./qtimetadatafield");
      for (final Iterator iter = metadatafields.iterator(); iter.hasNext();) {
          final Element metadatafield = (Element) iter.next();
          final String key = metadatafield.elementText("fieldlabel");
          final String value = metadatafield.elementText("fieldentry");
          meta.setField(key, value);
      }
      return meta;
  }
 

/**
 * ims qti 1.2.1 <!ELEMENT resprocessing (qticomment? , outcomes , respcondition+)> also <!ELEMENT respcondition (qticomment? , conditionvar , setvar* ,
 * displayfeedback*)> <!ATTLIST respcondition %I_Continue; %I_Title; > mit <!ENTITY % I_Continue " continue  (Yes | No )  'No'"> <!ELEMENT conditionvar (not | and |
 * or | unanswered | other | varequal | varlt | varlte | vargt | vargte | varsubset | varinside | varsubstring | durequal | durlt | durlte | durgt | durgte)+>
 * <!ELEMENT outcomes (qticomment? , (decvar , interpretvar*)+)> <!ELEMENT decvar (#PCDATA)> <!ATTLIST decvar %I_VarName; vartype (Integer | String | Decimal |
 * Scientific | Boolean | Enumerated | Set ) 'Integer' defaultval CDATA #IMPLIED minvalue CDATA #IMPLIED maxvalue CDATA #IMPLIED members CDATA #IMPLIED cutvalue CDATA
 * #IMPLIED >
 * 
 * @param n
 * @param userContext
 */
public void evalAnswer(final Element n, final ItemContext userContext) {

    // first initialize all variables as stated in decvar elements
    userContext.resetVariables();

    // now eval all respconditions as long as continue="Yes"
    final QTI_respcondition respCondition = QTIHelper.getQTI_respcondition();
    final List el_respconditions = n.selectNodes("respcondition");
    final int size = el_respconditions.size();
    boolean cont = true;
    int i = 0;
    boolean hasBeenTrue = false;
    final EvalContext ect = new EvalContext();
    ect.setHasBeenTrue(hasBeenTrue);
    while (cont && i < size) {
        final Element el_respcond = (Element) el_respconditions.get(i);
        final String str_continue = el_respcond.attributeValue("continue");
        cont = (str_continue == null) ? false : str_continue.equals("Yes"); // default: No
        // eval conditions and set vars accordingly
        final boolean res = respCondition.process(el_respcond, userContext, ect);
        if (!res) {
            cont = true; // continue flag only effective if previous didn't match
        }
        hasBeenTrue = hasBeenTrue || res;
        ect.setHasBeenTrue(hasBeenTrue);
        i++;
    }

}
 

@Override
@SuppressWarnings("unchecked")
public Map<String, List<String>> geRoleMappings(String siteId) throws ConfigurationException {
    // TODO: Refactor this to use Apache's Commons Configuration
    Map<String, List<String>> roleMappings = new HashMap<>();
    String roleMappingsConfigPath = getSiteRoleMappingsConfigPath(siteId);
    Document document;

    try {
        document = contentService.getContentAsDocument(siteId, roleMappingsConfigPath);
        if (document != null) {
            Element root = document.getRootElement();
            if (root.getName().equals(DOCUMENT_ROLE_MAPPINGS)) {
                List<Node> groupNodes = root.selectNodes(DOCUMENT_ELM_GROUPS_NODE);
                for (Node node : groupNodes) {
                    String name = node.valueOf(DOCUMENT_ATTR_PERMISSIONS_NAME);
                    if (StringUtils.isNotEmpty(name)) {
                        List<Node> roleNodes = node.selectNodes(DOCUMENT_ELM_PERMISSION_ROLE);
                        List<String> roles = new ArrayList<>();

                        for (Node roleNode : roleNodes) {
                            roles.add(roleNode.getText());
                        }

                        roleMappings.put(name, roles);
                    }
                }
            }
        }
    } catch (DocumentException e) {
        throw new ConfigurationException("Error while reading role mappings file for site " + siteId + " @ " +
                                         roleMappingsConfigPath);
    }

    return roleMappings;
}
 

private String getMaterialAsString(final Element el_root) {
    final StringBuilder result = new StringBuilder();
    final List materials = el_root.selectNodes(".//mattext");
    for (final Iterator iter = materials.iterator(); iter.hasNext();) {
        final Element el_mattext = (Element) iter.next();
        result.append(el_mattext.getTextTrim() + "\n");
    }
    return result.toString();
}
 

/**
*/
  @Override
  public Object parse(final Element element) {
      // assert element.getName().equalsIgnoreCase("sectionfeedback")
      // || element.getName().equalsIgnoreCase("itemfeedback")
      // || element.getName().equalsIgnoreCase("assessmentfeedback");

      final List materialsXML = element.selectNodes(".//material");
      if (materialsXML.size() == 0) {
          return null;
      }

      final Feedback feedback = new Feedback();
      // attributes
      Attribute tmp = element.attribute("ident");
      if (tmp != null) {
          feedback.setIdent(tmp.getValue());
      }
      tmp = element.attribute("title");
      if (tmp != null) {
          feedback.setTitle(tmp.getValue());
      }
      tmp = element.attribute("view");
      if (tmp != null) {
          feedback.setView(tmp.getValue());
      }

      // get type
      if (element.element("solution") != null) {
          return null;
      } else if (element.element("hint") != null) {
          return null;
      }

      // parse Material
      // MATERIAL
      final List materials = new ArrayList();
      for (final Iterator i = materialsXML.iterator(); i.hasNext();) {
          materials.add(parserManager.parse((Element) i.next()));
      }
      feedback.setMaterials(materials);
      return feedback;
  }
 

@Override
public boolean validate(final File unzippedDir) {

    // with VFS FIXME:pb:c: remove casts to LocalFileImpl and LocalFolderImpl if
    // no longer needed.
    final VFSContainer vfsUnzippedRoot = new LocalFolderImpl(unzippedDir);
    final VFSItem vfsQTI = vfsUnzippedRoot.resolve("qti.xml");
    // getDocument(..) ensures that InputStream is closed in every case.
    final Document doc = QTIHelper.getDocument((LocalFileImpl) vfsQTI);
    // if doc is null an error loading the document occured
    if (doc == null) {
        return false;
    }
    // check if this is marked as test
    final List metas = doc.selectNodes("questestinterop/assessment/qtimetadata/qtimetadatafield");
    for (final Iterator iter = metas.iterator(); iter.hasNext();) {
        final Element el_metafield = (Element) iter.next();
        final Element el_label = (Element) el_metafield.selectSingleNode("fieldlabel");
        final String label = el_label.getText();
        if (label.equals(AssessmentInstance.QMD_LABEL_TYPE)) { // type meta
            final Element el_entry = (Element) el_metafield.selectSingleNode("fieldentry");
            final String entry = el_entry.getText();
            if (!(entry.equals(AssessmentInstance.QMD_ENTRY_TYPE_SELF) || entry.equals(AssessmentInstance.QMD_ENTRY_TYPE_ASSESS))) {
                return false;
            }
        }
    }

    // check if at least one section with one item
    final List sectionItems = doc.selectNodes("questestinterop/assessment/section/item");
    if (sectionItems.size() == 0) {
        return false;
    }

    for (final Iterator iter = sectionItems.iterator(); iter.hasNext();) {
        final Element it = (Element) iter.next();
        final List sv = it.selectNodes("resprocessing/outcomes/decvar[@varname='SCORE']");
        // the QTIv1.2 system relies on the SCORE variable of items
        if (sv.size() != 1) {
            return false;
        }
    }

    return true;
}
 

@Override
public boolean validate(final File unzippedDir) {

    // with VFS FIXME:pb:c: remove casts to LocalFileImpl and LocalFolderImpl if
    // no longer needed.
    final VFSContainer vfsUnzippedRoot = new LocalFolderImpl(unzippedDir);
    final VFSItem vfsQTI = vfsUnzippedRoot.resolve("qti.xml");
    // getDocument(..) ensures that InputStream is closed in every case.
    final Document doc = QTIHelper.getDocument((LocalFileImpl) vfsQTI);
    // if doc is null an error loading the document occured
    if (doc == null) {
        return false;
    }
    // check if this is marked as test
    final List metas = doc.selectNodes("questestinterop/assessment/qtimetadata/qtimetadatafield");
    for (final Iterator iter = metas.iterator(); iter.hasNext();) {
        final Element el_metafield = (Element) iter.next();
        final Element el_label = (Element) el_metafield.selectSingleNode("fieldlabel");
        final String label = el_label.getText();
        if (label.equals(AssessmentInstance.QMD_LABEL_TYPE)) { // type meta
            final Element el_entry = (Element) el_metafield.selectSingleNode("fieldentry");
            final String entry = el_entry.getText();
            if (!(entry.equals(AssessmentInstance.QMD_ENTRY_TYPE_SELF) || entry.equals(AssessmentInstance.QMD_ENTRY_TYPE_ASSESS))) {
                return false;
            }
        }
    }

    // check if at least one section with one item
    final List sectionItems = doc.selectNodes("questestinterop/assessment/section/item");
    if (sectionItems.size() == 0) {
        return false;
    }

    for (final Iterator iter = sectionItems.iterator(); iter.hasNext();) {
        final Element it = (Element) iter.next();
        final List sv = it.selectNodes("resprocessing/outcomes/decvar[@varname='SCORE']");
        // the QTIv1.2 system relies on the SCORE variable of items
        if (sv.size() != 1) {
            return false;
        }
    }

    return true;
}
 

/**
 * Constructor for ItemWithResponseLid.
 * 
 * @param el_item
 */
public ItemWithResponseStr(final Element el_item) {
    // CELFI#107
    this.itemTitle = el_item.attributeValue("title");
    this.itemIdent = el_item.attributeValue("ident");

    final Element decvar = (Element) el_item.selectSingleNode(".//outcomes/decvar");

    if (decvar != null) {
        this.itemMinValue = decvar.attributeValue("minvalue");
        this.itemMaxValue = decvar.attributeValue("maxvalue");
        this.itemCutValue = decvar.attributeValue("cutvalue");
    }

    final List el_presentationElements = el_item.selectNodes(".//presentation//mattext | .//presentation//response_str");

    int i = 1;
    boolean lastWasMattext = false;
    for (final Iterator itPresentations = el_presentationElements.iterator(); itPresentations.hasNext();) {
        final Element el_presentation = (Element) itPresentations.next();
        final String el_qname = el_presentation.getQualifiedName();
        if (el_qname.equalsIgnoreCase("mattext")) {
            this.quetionText += el_presentation.getTextTrim();
            lastWasMattext = true;
        } else {

            responseStrIdents.add(el_presentation.attributeValue("ident"));
            final Element render_fib = el_presentation.element("render_fib");
            if (render_fib != null) {
                isEssay = (render_fib.attributeValue("rows") == null) ? false : true;
                responseColumnHeaders.add((isEssay ? "A" : "B") + i); // A -> Area, B -> Blank

                final Element responseValue = (Element) el_item.selectSingleNode(".//varequal[@respident='" + el_presentation.attributeValue("ident") + "']");
                if (responseValue != null) {
                    responseLabelMaterials.add(responseValue.getTextTrim());
                    if (lastWasMattext) {
                        this.quetionText += " [" + responseValue.getTextTrim() + "] ";
                        lastWasMattext = false;
                    }
                } else {
                    responseLabelMaterials.add("");
                }

            } else {
                responseColumnHeaders.add("unknownType");

                responseLabelMaterials.add("");
            }
            i++;
        }
    }
    // CELFI#107 END
}
 

/**
 * Constructor for ItemWithResponseLid.
 * 
 * @param el_item
 */
public ItemWithResponseLid(final Element el_item) {
    this.itemTitle = el_item.attributeValue("title");
    this.itemIdent = el_item.attributeValue("ident");

    final List<Element> responseLids = el_item.selectNodes(".//response_lid");

    // Question text
    // CELFI#107
    final Node temp = el_item.selectSingleNode(".//presentation/material/mattext");
    if (temp != null) {
        this.questionText = ((Element) temp).getTextTrim();
    }

    int i = 1;
    for (final Iterator<Element> itresponseLid = responseLids.iterator(); itresponseLid.hasNext();) {
        final Element el_responseLid = itresponseLid.next();
        isSingle = el_responseLid.attributeValue("rcardinality").equals("Single");

        final List<Element> labels = el_responseLid.selectNodes(".//response_label");
        final Element decvar = (Element) el_item.selectSingleNode(".//outcomes/decvar");
        if (decvar != null) {
            this.itemMinValue = decvar.attributeValue("minvalue");
            this.itemMaxValue = decvar.attributeValue("maxvalue");
            this.itemCutValue = decvar.attributeValue("cutvalue");
        }

        for (final Iterator<Element> itlabel = labels.iterator(); itlabel.hasNext();) {
            final Element el_label = itlabel.next();
            final String sIdent = el_label.attributeValue("ident");
            responseLabelIdents.add(sIdent);

            final List<Element> materials = el_label.selectNodes(".//mattext");
            final StringBuilder mat = new StringBuilder();
            for (final Iterator<Element> itmaterial = materials.iterator(); itmaterial.hasNext();) {
                final Element el_material = itmaterial.next();
                mat.append(el_material.getText());
            }
            responseLabelMaterials.add(mat.length() == 0 ? "IDENT: " + sIdent : mat.toString());
            responseColumnHeaders.add((isSingle ? "R" : "C") + i); // R -> Radio button, C -> Check box
            i++;
        }

    }

}