Ejemplo n.º 1
0
  public WorkspaceLanguageConfiguration decodeWorkspaceMappings() throws CoreException {
    IEclipsePreferences node = InstanceScope.INSTANCE.getNode(CCorePlugin.PLUGIN_ID);
    IEclipsePreferences defaultNode = DefaultScope.INSTANCE.getNode(CCorePlugin.PLUGIN_ID);
    String encodedMappings = node.get(CCorePreferenceConstants.WORKSPACE_LANGUAGE_MAPPINGS, null);
    if (encodedMappings == null) {
      encodedMappings = defaultNode.get(CCorePreferenceConstants.WORKSPACE_LANGUAGE_MAPPINGS, null);
    }
    WorkspaceLanguageConfiguration config = new WorkspaceLanguageConfiguration();

    if (encodedMappings == null || encodedMappings.length() == 0) {
      return config;
    }

    // The mappings are encoded as XML in a String so we need to parse it.
    InputSource input = new InputSource(new StringReader(encodedMappings));
    try {
      Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(input);
      config.setWorkspaceMappings(decodeContentTypeMappings(document.getDocumentElement()));
      return config;
    } catch (SAXException e) {
      throw new CoreException(Util.createStatus(e));
    } catch (IOException e) {
      throw new CoreException(Util.createStatus(e));
    } catch (ParserConfigurationException e) {
      throw new CoreException(Util.createStatus(e));
    }
  }
Ejemplo n.º 2
0
  public void storeMappings(WorkspaceLanguageConfiguration config) throws CoreException {
    try {
      // Encode mappings as XML and serialize as a String.
      Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
      Element rootElement = doc.createElement(WORKSPACE_MAPPINGS);
      doc.appendChild(rootElement);
      addContentTypeMappings(config.getWorkspaceMappings(), rootElement);
      Transformer serializer = createSerializer();
      DOMSource source = new DOMSource(doc);
      StringWriter buffer = new StringWriter();
      StreamResult result = new StreamResult(buffer);
      serializer.transform(source, result);
      String encodedMappings = buffer.getBuffer().toString();

      IEclipsePreferences node = InstanceScope.INSTANCE.getNode(CCorePlugin.PLUGIN_ID);
      node.put(CCorePreferenceConstants.WORKSPACE_LANGUAGE_MAPPINGS, encodedMappings);
      node.flush();
    } catch (ParserConfigurationException e) {
      throw new CoreException(Util.createStatus(e));
    } catch (TransformerException e) {
      throw new CoreException(Util.createStatus(e));
    } catch (BackingStoreException e) {
      throw new CoreException(Util.createStatus(e));
    }
  }
Ejemplo n.º 3
0
 private Transformer createSerializer() throws CoreException {
   try {
     return TransformerFactory.newInstance().newTransformer();
   } catch (TransformerConfigurationException e) {
     throw new CoreException(Util.createStatus(e));
   } catch (TransformerFactoryConfigurationError e) {
     throw new CoreException(Util.createStatus(e));
   }
 }