Ejemplo n.º 1
0
 /**
  * Get the names of each of the JCR repositories.
  *
  * @return the immutable names of the repositories that exist at the time this method is called
  */
 public Set<String> getRepositoryNames() {
   checkRunning();
   Set<String> results = new HashSet<String>();
   // Read the names of the JCR repositories from the configuration (not from the Repository
   // objects used so far) ...
   PathFactory pathFactory = getExecutionContext().getValueFactories().getPathFactory();
   Path repositoriesPath =
       pathFactory.create(configuration.getPath(), ModeShapeLexicon.REPOSITORIES);
   Graph configuration = getConfigurationGraph();
   for (Location child : configuration.getChildren().of(repositoriesPath)) {
     Name repositoryName = child.getPath().getLastSegment().getName();
     results.add(readable(repositoryName));
   }
   return Collections.unmodifiableSet(results);
 }
Ejemplo n.º 2
0
  protected JcrRepository doCreateJcrRepository(String repositoryName)
      throws RepositoryException, PathNotFoundException {
    RepositoryConnectionFactory connectionFactory = getRepositoryConnectionFactory();
    Map<String, String> descriptors = new HashMap<String, String>();
    Map<Option, String> options = new HashMap<Option, String>();

    // Read the subgraph that represents the repository ...
    PathFactory pathFactory = getExecutionContext().getValueFactories().getPathFactory();
    Path repositoriesPath =
        pathFactory.create(configuration.getPath(), ModeShapeLexicon.REPOSITORIES);
    Path repositoryPath = pathFactory.create(repositoriesPath, repositoryName);
    Name repoName =
        getExecutionContext().getValueFactories().getNameFactory().create(repositoryName);
    Graph configuration = null;
    Subgraph subgraph = getConfigurationSubgraph(false);

    // Read the options ...
    Path optionsPath =
        pathFactory.createRelativePath(
            ModeShapeLexicon.REPOSITORIES, repoName, ModeShapeLexicon.OPTIONS);
    Node optionsNode = subgraph.getNode(optionsPath);
    if (optionsNode != null) {
      for (Location optionLocation : optionsNode.getChildren()) {
        Node optionNode = subgraph.getNode(optionLocation);
        Path.Segment segment = optionLocation.getPath().getLastSegment();
        Property valueProperty = optionNode.getProperty(ModeShapeLexicon.VALUE);
        if (valueProperty == null) {
          log.warn(JcrI18n.noOptionValueProvided, segment.getName().getLocalName());
          continue;
        }
        Option option = Option.findOption(segment.getName().getLocalName());
        if (option == null) {
          log.warn(JcrI18n.invalidOptionProvided, segment.getName().getLocalName());
          continue;
        }
        options.put(option, valueProperty.getFirstValue().toString());
      }
    }

    // Disable the derived content removal option if not explicitly set and no sequencers ...
    if (!options.containsKey(Option.REMOVE_DERIVED_CONTENT_WITH_ORIGINAL)
        && getSequencingService().getSequencers().isEmpty()) {
      options.put(Option.REMOVE_DERIVED_CONTENT_WITH_ORIGINAL, Boolean.FALSE.toString());
    }

    // Read the descriptors ...
    Path descriptorsPath =
        pathFactory.createRelativePath(
            ModeShapeLexicon.REPOSITORIES, repoName, ModeShapeLexicon.DESCRIPTORS);
    Node descriptorsNode = subgraph.getNode(descriptorsPath);
    if (descriptorsNode != null) {
      for (Location descriptorLocation : descriptorsNode.getChildren()) {
        Node optionNode = subgraph.getNode(descriptorLocation);
        Path.Segment segment = descriptorLocation.getPath().getLastSegment();
        Property valueProperty = optionNode.getProperty(ModeShapeLexicon.VALUE);
        if (valueProperty == null) continue;
        descriptors.put(segment.getName().getLocalName(), valueProperty.getFirstValue().toString());
      }
    }

    // Read the namespaces ...
    ExecutionContext context = getExecutionContext();
    Path namespacesPath =
        pathFactory.createRelativePath(
            ModeShapeLexicon.REPOSITORIES, repoName, ModeShapeLexicon.NAMESPACES);
    Node namespacesNode = subgraph.getNode(namespacesPath);
    descriptors.put(org.modeshape.jcr.api.Repository.REPOSITORY_NAME, repositoryName);
    if (namespacesNode != null) {
      configuration = getConfigurationGraph();
      GraphNamespaceRegistry registry =
          new GraphNamespaceRegistry(
              configuration,
              namespacesNode.getLocation().getPath(),
              ModeShapeLexicon.URI,
              ModeShapeLexicon.GENERATED);
      context = context.with(registry);
    }

    // Get the name of the source ...
    Path repoPath = pathFactory.createRelativePath(ModeShapeLexicon.REPOSITORIES, repoName);
    Node repoNode = subgraph.getNode(repoPath);
    if (repoNode == null) {
      // There is no repository with the supplied name ...
      throw new PathNotFoundException(
          Location.create(repoPath),
          repositoriesPath,
          JcrI18n.repositoryDoesNotExist.text(readable(repoName)));
    }
    Property property = repoNode.getProperty(ModeShapeLexicon.SOURCE_NAME);
    if (property == null || property.isEmpty()) {
      if (configuration == null) configuration = getConfigurationGraph();
      String readableName = readable(ModeShapeLexicon.SOURCE_NAME);
      String readablePath = readable(subgraph.getLocation());
      String msg =
          JcrI18n.propertyNotFoundOnNode.text(
              readableName, readablePath, configuration.getCurrentWorkspaceName());
      throw new RepositoryException(msg);
    }
    String sourceName =
        context.getValueFactories().getStringFactory().create(property.getFirstValue());

    // Verify the sourc exists ...
    RepositorySource source = getRepositorySource(sourceName);
    if (source == null) {
      throw new RepositoryException(
          JcrI18n.repositoryReferencesNonExistantSource.text(repositoryName, sourceName));
    }

    // Read the initial content ...
    String initialContentForNewWorkspaces = null;
    for (Location initialContentLocation : repoNode.getChildren(ModeShapeLexicon.INITIAL_CONTENT)) {
      Node initialContent = subgraph.getNode(initialContentLocation);
      if (initialContent == null) continue;

      // Determine where to load the initial content from ...
      Property contentReference = initialContent.getProperty(ModeShapeLexicon.CONTENT);
      if (contentReference == null || contentReference.isEmpty()) {
        if (configuration == null) configuration = getConfigurationGraph();
        String readableName = readable(ModeShapeLexicon.CONTENT);
        String readablePath = readable(initialContentLocation);
        String msg =
            JcrI18n.propertyNotFoundOnNode.text(
                readableName, readablePath, configuration.getCurrentWorkspaceName());
        throw new RepositoryException(msg);
      }
      String contentRef = string(contentReference.getFirstValue());

      // Determine which workspaces this should apply to ...
      Property workspaces = initialContent.getProperty(ModeShapeLexicon.WORKSPACES);
      if (workspaces == null || workspaces.isEmpty()) {
        if (configuration == null) configuration = getConfigurationGraph();
        String readableName = readable(ModeShapeLexicon.WORKSPACES);
        String readablePath = readable(initialContentLocation);
        String msg =
            JcrI18n.propertyNotFoundOnNode.text(
                readableName, readablePath, configuration.getCurrentWorkspaceName());
        throw new RepositoryException(msg);
      }

      // Load the initial content into a transient source ...
      XmlFileRepositorySource initialContentSource = new XmlFileRepositorySource();
      initialContentSource.setName("Initial content for " + repositoryName);
      initialContentSource.setContentLocation(contentRef);
      Graph initialContentGraph = Graph.create(initialContentSource, context);
      Graph sourceGraph = Graph.create(sourceName, connectionFactory, context);

      // And initialize the source with the content (if not already there) ...
      for (Object value : workspaces) {
        String workspaceName = string(value);
        if (workspaceName != null && workspaceName.trim().length() != 0) {
          // Load the content into the workspace with this name ...
          sourceGraph.useWorkspace(workspaceName);
          try {
            sourceGraph.merge(initialContentGraph);
          } catch (RuntimeException e) {
            throw new RepositoryException(
                JcrI18n.unableToImportInitialContent.text(readable(repoName), contentRef), e);
          }
        }
      }

      // Determine if this initial content should apply to new workspaces ...
      Property applyToNewWorkspaces =
          initialContent.getProperty(ModeShapeLexicon.APPLY_TO_NEW_WORKSPACES);
      if (applyToNewWorkspaces != null
          && !applyToNewWorkspaces.isEmpty()
          && isTrue(applyToNewWorkspaces.getFirstValue())) {
        initialContentForNewWorkspaces =
            contentRef; // may overwrite the value if seen more than once!
      }
    }

    // Find the capabilities ...
    RepositorySourceCapabilities capabilities = source.getCapabilities();
    // Create the repository ...
    JcrRepository repository =
        new JcrRepository(
            context,
            connectionFactory,
            sourceName,
            getRepositoryService().getRepositoryLibrary(),
            capabilities,
            descriptors,
            options,
            initialContentForNewWorkspaces);

    // Register all the the node types ...
    Path nodeTypesPath =
        pathFactory.createRelativePath(
            ModeShapeLexicon.REPOSITORIES, repoName, JcrLexicon.NODE_TYPES);
    Node nodeTypesNode = subgraph.getNode(nodeTypesPath);
    if (nodeTypesNode != null) {
      boolean needToRefreshSubgraph = false;
      if (configuration == null) configuration = getConfigurationGraph();

      // Expand any references to a CND file
      Property resourceProperty = nodeTypesNode.getProperty(ModeShapeLexicon.RESOURCE);
      if (resourceProperty != null) {
        ClassLoader classLoader = this.context.getClassLoader();
        for (Object resourceValue : resourceProperty) {
          String resources =
              this.context.getValueFactories().getStringFactory().create(resourceValue);

          for (String resource : resources.split("\\s*,\\s*")) {
            Graph.Batch batch = configuration.batch();
            GraphBatchDestination destination = new GraphBatchDestination(batch);

            Path nodeTypesAbsPath = pathFactory.create(repositoryPath, JcrLexicon.NODE_TYPES);
            CndImporter importer = new CndImporter(destination, nodeTypesAbsPath, true, false);
            InputStream is = IoUtil.getResourceAsStream(resource, classLoader, getClass());
            Problems cndProblems = new SimpleProblems();
            if (is == null) {
              String msg =
                  JcrI18n.unableToFindNodeTypeDefinitionsOnClasspathOrFileOrUrl.text(resource);
              throw new RepositoryException(msg);
            }
            try {
              importer.importFrom(is, cndProblems, resource);
              batch.execute();
              needToRefreshSubgraph = true;
            } catch (IOException ioe) {
              String msg = JcrI18n.errorLoadingNodeTypeDefintions.text(resource, ioe.getMessage());
              throw new RepositoryException(msg, ioe);
            }
            if (!cndProblems.isEmpty()) {
              // Add any warnings or information to this engine's list ...
              getProblems().addAll(cndProblems);
              if (cndProblems.hasErrors()) {
                String msg = null;
                Throwable cause = null;
                for (Problem problem : cndProblems) {
                  if (problem.getStatus() == Status.ERROR) {
                    msg = problem.getMessageString();
                    cause = problem.getThrowable();
                    break;
                  }
                }
                throw new RepositoryException(
                    JcrI18n.errorLoadingNodeTypeDefintions.text(resource, msg), cause);
              }
            }
          }
        }
      }

      // Load any namespaces from the configuration into the repository's context ...
      NamespaceRegistry repoRegistry = repository.getExecutionContext().getNamespaceRegistry();
      repoRegistry.register(configuration.getContext().getNamespaceRegistry().getNamespaces());

      // Re-read the subgraph, in case any new nodes were added
      Subgraph nodeTypesSubgraph = subgraph;
      if (needToRefreshSubgraph) {
        nodeTypesSubgraph =
            configuration.getSubgraphOfDepth(4).at(nodeTypesNode.getLocation().getPath());
      }

      repository
          .getRepositoryTypeManager()
          .registerNodeTypes(nodeTypesSubgraph, nodeTypesNode.getLocation(), false);
    }

    return repository;
  }