Exemplo n.º 1
0
  /**
   * Carries out preprocessing that makes JEuclid handle the document better.
   *
   * @param doc Document
   */
  static void preprocessForJEuclid(Document doc) {
    // underbrace and overbrace
    NodeList list = doc.getElementsByTagName("mo");
    for (int i = 0; i < list.getLength(); i++) {
      Element mo = (Element) list.item(i);
      String parentName = ((Element) mo.getParentNode()).getTagName();
      if (parentName == null) {
        continue;
      }
      if (parentName.equals("munder") && isTextChild(mo, "\ufe38")) {
        mo.setAttribute("stretchy", "true");
        mo.removeChild(mo.getFirstChild());
        mo.appendChild(doc.createTextNode("\u23df"));
      } else if (parentName.equals("mover") && isTextChild(mo, "\ufe37")) {
        mo.setAttribute("stretchy", "true");
        mo.removeChild(mo.getFirstChild());
        mo.appendChild(doc.createTextNode("\u23de"));
      }
    }

    // menclose for long division doesn't allow enough top padding. Oh, and
    // <mpadded> isn't implemented. And there isn't enough padding to left of
    // the bar either. Solve by adding an <mover> with just an <mspace> over#
    // the longdiv, contained within an mrow that adds a <mspace> before it.
    list = doc.getElementsByTagName("menclose");
    for (int i = 0; i < list.getLength(); i++) {
      Element menclose = (Element) list.item(i);
      // Only for longdiv
      if (!"longdiv".equals(menclose.getAttribute("notation"))) {
        continue;
      }
      Element mrow = doc.createElementNS(WebMathsService.NS, "mrow");
      Element mover = doc.createElementNS(WebMathsService.NS, "mover");
      Element mspace = doc.createElementNS(WebMathsService.NS, "mspace");
      Element mspaceW = doc.createElementNS(WebMathsService.NS, "mspace");
      boolean previousElement = false;
      for (Node previous = menclose.getPreviousSibling();
          previous != null;
          previous = previous.getPreviousSibling()) {
        if (previous.getNodeType() == Node.ELEMENT_NODE) {
          previousElement = true;
          break;
        }
      }
      if (previousElement) {
        mspaceW.setAttribute("width", "4px");
      }
      menclose.getParentNode().insertBefore(mrow, menclose);
      menclose.getParentNode().removeChild(menclose);
      mrow.appendChild(mspaceW);
      mrow.appendChild(mover);
      mover.appendChild(menclose);
      mover.appendChild(mspace);
    }
  }
Exemplo n.º 2
0
 public void remove(Track track) {
   synchronized (this) {
     docElt.removeChild(track.getElement());
     tracks.remove(track);
     hash.remove(track.getKey());
   }
 }
  /**
   * Set a property of a resource to a value.
   *
   * @param name the property name
   * @param value the property value
   * @exception com.ibm.webdav.WebDAVException
   */
  public void setProperty(String name, Element value) throws WebDAVException {
    // load the properties
    Document propertiesDocument = resource.loadProperties();
    Element properties = propertiesDocument.getDocumentElement();
    String ns = value.getNamespaceURI();

    Element property = null;
    if (ns == null) {
      property = (Element) ((Element) properties).getElementsByTagName(value.getTagName()).item(0);
    } else {
      property = (Element) properties.getElementsByTagNameNS(ns, value.getLocalName()).item(0);
    }

    if (property != null) {
      try {
        properties.removeChild(property);
      } catch (DOMException exc) {
      }
    }

    properties.appendChild(propertiesDocument.importNode(value, true));

    // write out the properties
    resource.saveProperties(propertiesDocument);
  }
Exemplo n.º 4
0
  public void addPackageClass(PackageClass pClass) {

    Document doc;
    try {
      doc = getDocument();
    } catch (Exception e) {
      e.printStackTrace();
      return;
    }

    String name = pClass.getName();

    // check if such class exists and remove duplicates
    Element rootEl = doc.getDocumentElement();
    NodeList classEls = rootEl.getElementsByTagName(EL_CLASS);
    for (int i = 0; i < classEls.getLength(); i++) {
      Element nameEl = getElementByName((Element) classEls.item(i), EL_NAME);
      if (name.equals(nameEl.getTextContent())) {
        rootEl.removeChild(classEls.item(i));
      }
    }

    Element classNode = doc.createElement(EL_CLASS);
    doc.getDocumentElement().appendChild(classNode);
    classNode.setAttribute(ATR_TYPE, PackageClass.ComponentType.SCHEME.getXmlName());
    classNode.setAttribute(ATR_STATIC, "false");

    Element className = doc.createElement(EL_NAME);
    className.setTextContent(name);
    classNode.appendChild(className);

    Element desrc = doc.createElement(EL_DESCRIPTION);
    desrc.setTextContent(pClass.getDescription());
    classNode.appendChild(desrc);

    Element icon = doc.createElement(EL_ICON);
    icon.setTextContent(pClass.getIcon());
    classNode.appendChild(icon);

    // graphics
    classNode.appendChild(generateGraphicsNode(doc, pClass.getGraphics()));

    // ports
    List<Port> ports = pClass.getPorts();
    if (!ports.isEmpty()) {
      Element portsEl = doc.createElement(EL_PORTS);
      classNode.appendChild(portsEl);

      for (Port port : ports) {
        portsEl.appendChild(generatePortNode(doc, port));
      }
    }

    // fields
    Collection<ClassField> fields = pClass.getFields();
    if (!fields.isEmpty()) {
      Element fieldsEl = doc.createElement(EL_FIELDS);
      classNode.appendChild(fieldsEl);

      for (ClassField cf : fields) {
        fieldsEl.appendChild(generateFieldNode(doc, cf));
      }
    }

    // write
    try {
      writeDocument(doc, new FileOutputStream(xmlFile));
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    }
  }
  /**
   * Edit the properties of a resource. The updates must refer to a Document containing a WebDAV
   * propertyupdates element as the document root.
   *
   * @param updates an XML Document containing propertyupdate elements
   * @return the result of making the updates describing the edits to be made.
   * @exception com.ibm.webdav.WebDAVException
   */
  public MultiStatus setProperties(Document propertyUpdates) throws WebDAVException {
    // create a MultiStatus to hold the results. It will hold a MethodResponse
    // for each update, and one for the method as a whole
    MultiStatus multiStatus = new MultiStatus();
    boolean errorsOccurred = false;

    // first, load the properties so they can be edited
    Document propertiesDocument = resource.loadProperties();
    Element properties = (Element) propertiesDocument.getDocumentElement();

    // be sure the updates have at least one update
    Element propertyupdate = (Element) propertyUpdates.getDocumentElement();
    String tagName = propertyupdate.getNamespaceURI() + propertyupdate.getLocalName();

    if (!tagName.equals("DAV:propertyupdate")) {
      throw new WebDAVException(
          WebDAVStatus.SC_UNPROCESSABLE_ENTITY, "missing propertyupdate element");
    }

    NodeList updates = propertyupdate.getChildNodes();

    if (updates.getLength() == 0) {
      throw new WebDAVException(WebDAVStatus.SC_UNPROCESSABLE_ENTITY, "no updates in request");
    }

    Vector propsGood = new Vector(); // a list of properties that

    // were patched correctly or would have been if another
    // property hadn't gone bad.
    // apply the updates
    Node temp = null;

    for (int i = 0; i < updates.getLength(); i++) {
      temp = updates.item(i);

      // skip any ignorable TXText elements
      if (!(temp.getNodeType() == Node.ELEMENT_NODE)) {
        continue;
      }

      Element update = (Element) temp;
      int updateCommand = -1;
      tagName = update.getNamespaceURI() + update.getLocalName();

      if (tagName.equals("DAV:set")) {
        updateCommand = set;
      } else if (tagName.equals("DAV:remove")) {
        updateCommand = remove;
      } else {
        throw new WebDAVException(
            WebDAVStatus.SC_UNPROCESSABLE_ENTITY,
            update.getTagName() + " is not a valid property update request");
      }

      // iterate through the props in the set or remove element and update the
      // properties as directed
      Element prop = (Element) update.getElementsByTagNameNS("DAV:", "prop").item(0);

      if (prop == null) {
        throw new WebDAVException(
            WebDAVStatus.SC_UNPROCESSABLE_ENTITY, "no propeprties in update request");
      }

      NodeList propsToUpdate = prop.getChildNodes();

      for (int j = 0; j < propsToUpdate.getLength(); j++) {
        temp = propsToUpdate.item(j);

        // skip any TXText elements??
        if (!(temp.getNodeType() == Node.ELEMENT_NODE)) {
          continue;
        }

        Element propToUpdate = (Element) temp;

        // find the property in the properties element
        Element property = null;
        PropertyName propertyName = new PropertyName(propToUpdate);

        if (((Element) propToUpdate).getNamespaceURI() != null) {
          property =
              (Element)
                  properties
                      .getElementsByTagNameNS(
                          propToUpdate.getNamespaceURI(), propToUpdate.getLocalName())
                      .item(0);
        } else {
          property = (Element) properties.getElementsByTagName(propToUpdate.getTagName()).item(0);
        }

        boolean liveone = isLive(propertyName.asExpandedString());

        if (liveone) {
          errorsOccurred = true;

          PropertyResponse response = new PropertyResponse(resource.getURL().toString());
          response.addProperty(propertyName, propToUpdate, WebDAVStatus.SC_FORBIDDEN);
          multiStatus.addResponse(response);
        }

        // do the update
        if (updateCommand == set) {
          if (property != null) {
            try {
              properties.removeChild(property);
            } catch (DOMException exc) {
            }
          }

          if (!liveone) {
            // I don't think we're allowed to update live properties
            //    here.  Doing so effects the cache.  A case in
            //    point is the lockdiscoveryproperty.  properties
            //    is actually the properites cache "document" of this
            //    resource.  Even though we don't "save" the request
            //    if it includes live properties, we don't remove
            //    it from the cache after we'd set it here, so it
            //    can affect other queries. (jlc 991002)
            properties.appendChild(propertiesDocument.importNode(propToUpdate, true));

            propsGood.addElement(propToUpdate);
          }
        } else if (updateCommand == remove) {
          try {
            if (property != null) {
              properties.removeChild(property);
              propsGood.addElement(propToUpdate);
            }
          } catch (DOMException exc) {
          }
        }
      }
    }

    {
      Enumeration els = propsGood.elements();

      for (; els.hasMoreElements(); ) {
        Object ob1 = els.nextElement();
        Element elProp = (Element) ob1;
        PropertyName pn = new PropertyName(elProp);
        PropertyResponse response = new PropertyResponse(resource.getURL().toString());
        response.addProperty(
            pn,
            (Element) elProp.cloneNode(false),
            (errorsOccurred ? WebDAVStatus.SC_FAILED_DEPENDENCY : WebDAVStatus.SC_OK));

        // todo: add code for responsedescription
        multiStatus.addResponse(response);
      }
    }

    // write out the properties
    if (!errorsOccurred) {
      resource.saveProperties(propertiesDocument);
    }

    return multiStatus;
  }