org.dom4j.tree.DefaultElement Java Examples

/**
*/
  @Override
  public DefaultElement getElementByIdentifier(final String id) {
      if (id.equals(identifier)) {
          return this;
      }
      if (id.equals(CPCore.ORGANIZATIONS)) {
          return organizations;
      }

      DefaultElement e = organizations.getElementByIdentifier(id);
      if (e != null) {
          return e;
      }
      e = resources.getElementByIdentifier(id);

      if (e == null) {
          log.info("Element with id \"" + id + "\" not found in manifest!");
      }
      return e;
  }
 

/**
 * @param doc
 */
public void buildDocument(final DefaultDocument doc) {
    // Manifest is the root-node of the document, therefore we need to pass the
    // "doc"
    final DefaultElement manifestElement = new DefaultElement(CPCore.MANIFEST);

    manifestElement.add(new DefaultAttribute(CPCore.IDENTIFIER, this.identifier));
    manifestElement.add(new DefaultAttribute(CPCore.SCHEMALOCATION, this.schemaLocation));
    // manifestElement.setNamespace(this.getNamespace()); //FIXME: namespace

    doc.add(manifestElement);

    if (metadata != null) {
        metadata.buildDocument(manifestElement);
    }
    organizations.buildDocument(manifestElement);
    resources.buildDocument(manifestElement);

}
 

/**
 * duplicates an element and inserts it after targetID
 * 
 * @param sourceID
 * @param targetID
 */
public String copyElement(final String sourceID, final String targetID) {
    final DefaultElement elementToCopy = rootNode.getElementByIdentifier(sourceID);
    if (elementToCopy == null) {
        throw new OLATRuntimeException(CPOrganizations.class, "element with identifier \"" + sourceID + "\" not found..!", new Exception());
    }

    if (elementToCopy instanceof CPItem) {
        final CPItem newItem = (CPItem) elementToCopy.clone();
        cloneResourceOfItemAndSubitems(newItem);
        addElementAfter(newItem, targetID);
        return newItem.getIdentifier();
    } else {
        // if (elementToCopy.getClass().equals(CPOrganization.class)) {
        // not yet supported
        throw new OLATRuntimeException(CPOrganizations.class, "You can only copy <item>-elements...!", new Exception());
    }

}
 

private void preparse(Runner runner) throws Exception {
    List<Element> elementsParameter = (List<Element>) root.elements("parameter");
    for (Element element : elementsParameter) {
        OperationParameter operationParameter = new OperationParameter(element);
        operationParameter.executeAndStat(runner);
    }


    List<Element> elementsTest = (List<Element>) root.elements("test");
    for (Element test : elementsTest) {
        XMLTree xmlTree;
        xmlTree = new XMLTree(test);
        xmlTree.compute(Parameter.EXPRESSION, false);
        xmlTree.replace(XMLElementDefaultParser.instance(), runner.getParameterPool());
        DefaultElementInterface.insertNode((DefaultElement) test.getParent(), test, xmlTree.getTreeRoot());
        root.remove(test);
    }
}
 

/**
 * Restore this XMLTree to his original state
 */
public void restore() {
    for (int i = elementsOrder.size() - 1; i >= 0; i--) {
        Element e = elementsOrder.get(i);
        List<Element> list = elementsMap.get(e);
        if (null != list && !list.isEmpty()) {
            // all Elements in this list should have the same parent
            Element parent = list.get(0).getParent();
            if (null != parent) {
                DefaultElementInterface.insertNode((DefaultElement) parent, list.get(0), e);
                for (Node oldChild : list) {
                    parent.remove(oldChild);
                }

                if (1 == list.size() && e == root) {
                    root = elementsOrder.get(0);
                }

            } else {
                root = elementsOrder.get(0);
            }
        }
    }
}
 

/**
 * Builds an html-info string about the current page and its linked resources
 * 
 * @return HTML-String
 */
private String getCurrentPageInfoStringHTML() {
    // test if currentPage links to resource, which is used (linked) somewhere
    // else in the manifest
    final CPManager cpMgm = (CPManager) CoreSpringFactory.getBean(CPManager.class);
    final DefaultElement ele = cpMgm.getElementByIdentifier(cp, currentPage.getIdRef());
    boolean single = false;
    if (ele instanceof CPResource) {
        final CPResource res = (CPResource) ele;
        single = cpMgm.isSingleUsedResource(res, cp);
    }

    final StringBuilder b = new StringBuilder();
    b.append("<br /><ul>");
    b.append("<li><b>" + translate("cptreecontroller.pagetitle") + "</b> " + currentPage.getTitle() + "</li>");
    if (single) {
        b.append("<li><b>" + translate("cptreecontroller.file") + "</b> " + currentPage.getFileName() + "</li>");
    }
    b.append("</ul>");
    return b.toString();

}
 

/**
*/
  @Override
  public void buildChildren() {
      final Iterator<DefaultElement> children = this.elementIterator();
      // iterate through children
      while (children.hasNext()) {
          final DefaultElement child = children.next();
          if (child.getName().equals(CPCore.ITEM)) {
              final CPItem item = new CPItem(child, this);
              item.setParentElement(this);
              item.buildChildren();
              item.setPosition(items.size());
              items.add(item);
          } else if (child.getName().equals(CPCore.TITLE)) {
              title = child.getText();
          } else if (child.getName().equals(CPCore.METADATA)) {
              metadata = new CPMetadata(child);
              metadata.setParentElement(this);
          } else {
              errors.add("Invalid IMS-Manifest ( unallowed element under <organization> )");
          }
      }

      this.clearContent();
      validateElement();
  }
 

/**
*/
  @Override
  public void buildDocument(final DefaultElement parent) {

      final DefaultElement orgaElement = new DefaultElement(CPCore.ORGANIZATION);

      orgaElement.addAttribute(CPCore.IDENTIFIER, identifier);
      orgaElement.addAttribute(CPCore.STRUCTURE, structure);

      final DefaultElement titleElement = new DefaultElement(CPCore.TITLE);
      titleElement.setText(title);
      orgaElement.add(titleElement);

      if (metadata != null) {
          metadata.buildDocument(orgaElement);
      }
      for (final Iterator<CPItem> itItem = items.iterator(); itItem.hasNext();) {
          final CPItem item = itItem.next();
          item.buildDocument(orgaElement);
      }
      parent.add(orgaElement);

  }
 

/**
 * Builds an html-info string about the current page and its linked resources. <br>
 * The untrusted text is already html escaped.
 * 
 * @return HTML-String
 */
private String getCurrentPageInfoStringHTML() {
    // test if currentPage links to resource, which is used (linked) somewhere
    // else in the manifest
    final CPManager cpMgm = (CPManager) CoreSpringFactory.getBean(CPManager.class);
    final DefaultElement ele = cpMgm.getElementByIdentifier(cp, currentPage.getIdRef());
    boolean single = false;
    if (ele instanceof CPResource) {
        final CPResource res = (CPResource) ele;
        single = cpMgm.isSingleUsedResource(res, cp);
    }

    final StringBuilder b = new StringBuilder();
    b.append("<br /><ul>");
    b.append("<li><b>" + translate("cptreecontroller.pagetitle") + "</b> " + StringHelper.escapeHtml(currentPage.getTitle()) + "</li>");
    if (single) {
        b.append("<li><b>" + translate("cptreecontroller.file") + "</b> " + StringHelper.escapeHtml(currentPage.getFileName()) + "</li>");
    }
    b.append("</ul>");
    return b.toString();

}
 

/**
*/
  @Override
  public DefaultElement getElementByIdentifier(final String id) {
      if (id.equals(identifier)) {
          return this;
      }
      if (id.equals(CPCore.ORGANIZATIONS)) {
          return organizations;
      }

      DefaultElement e = organizations.getElementByIdentifier(id);
      if (e != null) {
          return e;
      }
      e = resources.getElementByIdentifier(id);

      if (e == null) {
          log.info("Element with id \"" + id + "\" not found in manifest!");
      }
      return e;
  }
 

/**
 * adds an element to the CP. Only accepts <resource> and <organization> elements
 * 
 * @param newElement
 * @return
 */
public void addElement(final DefaultElement newElement) {

    if (newElement instanceof CPResource) {
        rootNode.getResources().addResource((CPResource) newElement);
    } else if (newElement instanceof CPOrganization) {
        rootNode.getOrganizations().addOrganization((CPOrganization) newElement);
    } else if (newElement instanceof CPItem) {
        if (rootNode.getOrganizations().getOrganizations().size() > 0) {
            rootNode.getOrganizations().getOrganizations().elementAt(0).addItem((CPItem) newElement);
        }
    } else {
        throw new OLATRuntimeException(CPOrganizations.class, "invalid newElement for adding to manifest", new Exception());
    }

}
 

/**
 * Tests adding, removing IQ listeners and handling IQ stanzas.
 */
@Test
public void handlePackets() {
    // IQ packets
    IQ iq = new IQ();
    Element element = new DefaultElement("pubsub", Namespace.get(testNamespace));
    iq.setChildElement(element);
    agent.processUpstreamEvent(jid1, iq);
    assertThat(testXmppIqListener.handledIqs, hasSize(1));
    agent.processUpstreamEvent(jid2, iq);
    assertThat(testXmppIqListener.handledIqs, hasSize(2));
    // Message packets
    Packet message = new Message();
    agent.processUpstreamEvent(jid1, message);
    assertThat(testXmppMessageListener.handledMessages, hasSize(1));
    agent.processUpstreamEvent(jid2, message);
    assertThat(testXmppMessageListener.handledMessages, hasSize(2));
    Packet presence = new Presence();
    agent.processUpstreamEvent(jid1, presence);
    assertThat(testXmppPresenceListener.handledPresenceStanzas, hasSize(1));
    agent.processUpstreamEvent(jid2, presence);
    assertThat(testXmppPresenceListener.handledPresenceStanzas, hasSize(2));
}
 

/**
*/
  @Override
  public void buildChildren() {
      final Iterator<DefaultElement> children = this.elementIterator();
      // iterate through children
      while (children.hasNext()) {
          final DefaultElement child = children.next();
          if (child.getName().equals(CPCore.ITEM)) {
              final CPItem item = new CPItem(child, this);
              item.buildChildren();
              item.setPosition(items.size());
              item.setParentElement(this);
              items.add(item);
          } else if (child.getName().equals(CPCore.TITLE)) {
              title = child.getText();
          } else if (child.getName().equals(CPCore.METADATA)) {
              // TODO: implement LOM METADATA
              metadata = new CPMetadata(child);
              metadata.setParentElement(this);
          }
      }
      this.clearContent();
      validateElement();
  }
 

/**
 * @param doc
 */
public void buildDocument(final DefaultDocument doc) {
    // Manifest is the root-node of the document, therefore we need to pass the
    // "doc"
    final DefaultElement manifestElement = new DefaultElement(CPCore.MANIFEST);

    manifestElement.add(new DefaultAttribute(CPCore.IDENTIFIER, this.identifier));
    manifestElement.add(new DefaultAttribute(CPCore.SCHEMALOCATION, this.schemaLocation));
    // manifestElement.setNamespace(this.getNamespace()); //FIXME: namespace

    doc.add(manifestElement);

    if (metadata != null) {
        metadata.buildDocument(manifestElement);
    }
    organizations.buildDocument(manifestElement);
    resources.buildDocument(manifestElement);

}
 

/**
 * removes an element with identifier "identifier" from the manifest
 * 
 * @param identifier
 *            the identifier if the element to remove
 * @param booleanFlag
 *            indicates whether to remove linked resources as well...! (needed for moving elements)
 */
public void removeElement(final String identifier, final boolean resourceFlag) {

    final DefaultElement el = rootNode.getElementByIdentifier(identifier);
    if (el != null) {
        if (el instanceof CPItem) {
            // element is CPItem
            final CPItem item = (CPItem) el;

            // first remove resources
            if (resourceFlag) {
                // Delete children (depth first search)
                removeChildElements(item, resourceFlag);

                // remove referenced resource
                final CPResource res = (CPResource) rootNode.getElementByIdentifier(item.getIdentifierRef());
                if (res != null && referencesCount(res) == 1) {
                    res.removeFromManifest();
                }
            }
            // then remove item
            item.removeFromManifest();

        } else if (el instanceof CPOrganization) {
            // element is organization
            final CPOrganization org = (CPOrganization) el;
            org.removeFromManifest(resourceFlag);
        } else if (el instanceof CPMetadata) {
            // element is <metadata>
            final CPMetadata md = (CPMetadata) el;
            md.removeFromManifest();
        }
    } else {
        throw new OLATRuntimeException(CPOrganizations.class, "couldn't remove element with id \"" + identifier + "\"! Element not found in manifest ",
                new Exception());

    }
}
 

/**
 * Searches for <item>-elements or <dependency>-elements which references to the resource with id "resourceIdentifier" if an element is found, search is aborted and
 * the found element is returned
 * 
 * @param resourceIdentifier
 * @return the found element or null
 */
public DefaultElement findReferencesToResource(final String resourceIdentifier) {

    // search for <item identifierref="resourceIdentifier" >
    for (final Iterator<CPOrganization> it = rootNode.getOrganizations().getOrganizationIterator(); it.hasNext();) {
        final CPOrganization org = it.next();
        for (final Iterator<CPItem> itO = org.getItems().iterator(); itO.hasNext();) {
            final CPItem item = itO.next();
            final CPItem found = _findReferencesToRes(item, resourceIdentifier);
            if (found != null) {
                return found;
            }
        }
    }

    // search for <dependency identifierref="resourceIdentifier" >
    for (final Iterator<CPResource> itRes = rootNode.getResources().getResourceIterator(); itRes.hasNext();) {
        final CPResource res = itRes.next();
        for (final Iterator<CPDependency> itDep = res.getDependencyIterator(); itDep.hasNext();) {
            final CPDependency dep = itDep.next();
            if (dep.getIdentifierRef().equals(resourceIdentifier)) {
                return dep;
            }
        }
    }

    return null;
}
 

/**
 * this constructor i used when building up the cp (parsing XML manifest)
 * 
 * @param me
 */
public CPResources(final DefaultElement me) {
    super(me.getName());
    resources = new Vector<CPResource>();
    errors = new Vector<String>();

    setAttributes(me.attributes());
    setContent(me.content());
}
 

public void setParentElement(final DefaultElement parent) {
    if (parent.getClass().equals(CPItem.class) || parent.getClass().equals(CPOrganization.class)) {
        this.parent = parent;
    } else {
        throw new OLATRuntimeException(CPOrganizations.class, "error while setting parentElement in element \"" + this.identifier
                + "\". Only <item> or <organization> as parent-element allowed", new Exception());
    }
}
 

/**
*/
  @Override
  public void buildDocument(final DefaultElement parent) {
      // String base = "";
      // if(xmlbase != null && !xmlbase.equals("")) base="
      // xml:base=\""+xmlbase+"\"";

      // TODO: xml base imlement !!!

      final DefaultElement resourceElement = new DefaultElement(CPCore.RESOURCE);

      resourceElement.addAttribute(CPCore.IDENTIFIER, identifier);
      resourceElement.addAttribute(CPCore.TYPE, type);
      resourceElement.addAttribute(CPCore.HREF, href);
      if (!xmlbase.equals("")) {
          resourceElement.addAttribute(CPCore.BASE, xmlbase);
      }

      if (metadata != null) {
          metadata.buildDocument(resourceElement);
      }

      // build files
      for (final Iterator<CPFile> itFiles = files.iterator(); itFiles.hasNext();) {
          final CPFile file = itFiles.next();
          file.buildDocument(resourceElement);
      }

      // build dependencies
      for (final Iterator<CPDependency> itDep = dependencies.iterator(); itDep.hasNext();) {
          final CPDependency dep = itDep.next();
          dep.buildDocument(resourceElement);
      }

      parent.add(resourceElement);
  }
 

@Override
public void buildDocument(final DefaultElement parent) {
    final DefaultElement resourceElement = new DefaultElement(CPCore.RESOURCES);

    for (final Iterator<CPResource> itResources = resources.iterator(); itResources.hasNext();) {
        final CPResource res = itResources.next();
        res.buildDocument(resourceElement);
    }
    parent.add(resourceElement);
}
 

public Element getConflictElement() {
	Element conflictEle = new DefaultElement("conflictJar");
	conflictEle.addAttribute("groupId-artifactId", nodeConflict.getGroupId() + ":" + nodeConflict.getArtifactId());
	StringBuilder versions = new StringBuilder();
	for (String version : nodeConflict.getVersions()) {
		versions.append(version);
	}
	conflictEle.addAttribute("versions", versions.toString());
	int riskLevel = getRiskLevel();
	conflictEle.addAttribute("riskLevel", "" + riskLevel);
	Element versionsEle = conflictEle.addElement("versions");
	for (DepJar depJar : nodeConflict.getDepJars()) {
		versionsEle.add(depJar.geJarConflictEle());
	}

	Element risksEle = conflictEle.addElement("RiskMethods");
	risksEle.addAttribute("tip", "methods would be referenced but not be loaded");
	if (riskLevel == 3 || riskLevel == 4) {
		int cnt = 0;
		for (String rchedMthd : getPrintRisk()) {
			if(cnt==10)
				break;
			if (!nodeConflict.getUsedDepJar().containsMthd(rchedMthd)) {
				Element riskEle = risksEle.addElement("RiskMthd");
				riskEle.addText(rchedMthd.replace('<', ' ').replace('>', ' '));
				cnt++;
			}
		}
	} else {

	}
	return conflictEle;
}
 

/**
 * this constructor i used when building up the cp (parsing XML manifest)
 * 
 * @param me
 */
public CPResources(final DefaultElement me) {
    super(me.getName());
    resources = new Vector<CPResource>();
    errors = new Vector<String>();

    setAttributes(me.attributes());
    setContent(me.content());
}
 

/**
 * parses the document, builds manifest-datamodel-tree-structure
 */
public void buildTree() {
    if (doc != null) {
        rootNode = new CPManifest(this, (DefaultElement) doc.getRootElement());
        rootNode.buildChildren();
    }
}
 

/**
 * adds an element to the cp. Adds it after the item with identifier "id"
 * 
 * @param newElement
 * @param id
 * @return
 */
public boolean addElementAfter(final DefaultElement newElement, final String id) {
    final DefaultElement beforeElement = rootNode.getElementByIdentifier(id);

    if (beforeElement == null) {
        return false;
    }

    if (beforeElement instanceof CPItem) {
        // beforeElement is a <item>
        // ==> newElement has to be an <item>
        final CPItem beforeItem = (CPItem) beforeElement;
        final DefaultElement parent = beforeItem.getParentElement();
        if (!(newElement instanceof CPItem)) {
            throw new OLATRuntimeException(CPOrganizations.class, "only <item> element allowed", new Exception());
        }
        if (parent instanceof CPItem) {
            final CPItem p = (CPItem) parent;
            p.addItemAt((CPItem) newElement, beforeItem.getPosition() + 1);
        } else if (parent instanceof CPOrganization) {
            final CPOrganization o = (CPOrganization) parent;
            o.addItemAt((CPItem) newElement, beforeItem.getPosition() + 1);
        } else {
            throw new OLATRuntimeException(CPOrganizations.class, "you cannot add an <item> element to a " + parent.getName() + " element", new Exception());
        }

    }

    return true;
}
 

/**
*/
  @Override
  public void buildDocument(final DefaultElement parent) {
      final DefaultElement metaElement = new DefaultElement(CPCore.METADATA);
      metaElement.setContent(this.content());
      parent.add(metaElement);
  }
 

public void moveElement(final String nodeID, final String newParentID, final int position) {
    final DefaultElement elementToMove = rootNode.getElementByIdentifier(nodeID);
    if (elementToMove != null) {
        if (elementToMove instanceof CPItem) {
            removeElement(nodeID, false);
            addElement(elementToMove, newParentID, position);
        } else if (elementToMove instanceof CPOrganization) {
            // not yet supported
        } else {
            throw new OLATRuntimeException(CPOrganizations.class, "Only <item>-elements are moveable...!", new Exception());
        }
    }
}
 

public Element getConflictElement() {
	int riskLevel = getRiskLevel();	
	Element conflictEle = new DefaultElement("conflict");
	conflictEle.addAttribute("jar-1", jarPair.getJar1().toString());
	conflictEle.addAttribute("jar-2", jarPair.getJar2().toString());
	conflictEle.addAttribute("riskLevel", "" + riskLevel);
	conflictEle.add(jarPair.getJar1().getClsConflictEle(1));
	conflictEle.add(jarPair.getJar2().getClsConflictEle(2));
	Element risksEle = conflictEle.addElement("RiskMethods");
	risksEle.addAttribute("tip", "methods would be referenced but not be loaded");
	if (riskLevel == -1) {
		return null;
	}
	int cnt = 0;
	for (String rchedMthd : getPrintMthds()) {
		if (cnt == 10) {
			break;
		}
		if (!jarPair.getJar1().containsMthd(rchedMthd) || !jarPair.getJar2().containsMthd(rchedMthd)) {
			Element riskEle = risksEle.addElement("RiskMthd");
			riskEle.addText(rchedMthd.replace('<', ' ').replace('>', ' '));
			cnt++;
		}
	}

	return conflictEle;
}
 

/**
 * 将Map中数据按 key/value 设置到xml节点的各个属性上 name/value。
 * 支持多值的情况，即某个属性的值为Object[]数组时。
 * @param attributesMap
 * @param dataNodeName
 * @return 格式如<row id = "1" name = "Jon"/>
 */
public static  Element map2AttributeNode(Map<String, Object> map, String dataNodeName){
    Element node = new DefaultElement(dataNodeName);       
    for ( Entry<String, Object> entry : map.entrySet() ) {
        String name = entry.getKey();
        Object value = entry.getValue();
        if(value != null){
            node.addAttribute(name, value.toString());
        }
    }
    return node;
}
 

public Element geJarConflictEle() {
	Element nodeEle = new DefaultElement("version");
	nodeEle.addAttribute("versionId", getVersion());
	nodeEle.addAttribute("loaded", "" + isSelected());
	for (NodeAdapter node : this.getNodeAdapters()) {
		nodeEle.add(node.getPathElement());
	}
	return nodeEle;
}
 

/**
*/
  @Override
  public DefaultElement getElementByIdentifier(final String id) {
      DefaultElement e;
      for (final Iterator<CPResource> itResources = resources.iterator(); itResources.hasNext();) {
          final CPResource res = itResources.next();
          e = res.getElementByIdentifier(id);
          if (e != null) {
              return e;
          }
      }
      return null;
  }