/** {@inheritDoc} */
  @Override
  public void initialize(WikiEngine engine, Properties properties) throws WikiException {
    super.initialize(engine, properties);
    m_storageDir = WikiEngine.getRequiredProperty(properties, PROP_STORAGEDIR);

    String patternString = engine.getWikiProperties().getProperty(PROP_DISABLECACHE);
    if (patternString != null) {
      m_disableCache = Pattern.compile(patternString);
    }

    //
    // Check if the directory exists - if it doesn't, create it.
    //
    File f = new File(m_storageDir);

    if (!f.exists()) {
      f.mkdirs();
    }

    //
    // Some sanity checks
    //
    if (!f.exists())
      throw new WikiException(
          "Could not find or create attachment storage directory '" + m_storageDir + "'");

    if (!f.canWrite())
      throw new WikiException(
          "Cannot write to the attachment storage directory '" + m_storageDir + "'");

    if (!f.isDirectory())
      throw new WikiException(
          "Your attachment storage points to a file, not a directory: '" + m_storageDir + "'");
  }
예제 #2
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  /**
   * Renames a page.
   *
   * @param context The current context.
   * @param renameFrom The name from which to rename.
   * @param renameTo The new name.
   * @param changeReferrers If true, also changes all the referrers.
   * @return The final new name (in case it had to be modified)
   * @throws WikiException If the page cannot be renamed.
   */
  public String renamePage(
      WikiContext context, String renameFrom, String renameTo, boolean changeReferrers)
      throws WikiException {
    //
    //  Sanity checks first
    //
    if (renameFrom == null || renameFrom.length() == 0) {
      throw new WikiException("From name may not be null or empty");
    }
    if (renameTo == null || renameTo.length() == 0) {
      throw new WikiException("To name may not be null or empty");
    }

    //
    //  Clean up the "to" -name so that it does not contain anything illegal
    //

    renameTo = MarkupParser.cleanLink(renameTo.trim());

    if (renameTo.equals(renameFrom)) {
      throw new WikiException("You cannot rename the page to itself");
    }

    //
    //  Preconditions: "from" page must exist, and "to" page must not yet exist.
    //
    WikiEngine engine = context.getEngine();
    WikiPage fromPage = engine.getPage(renameFrom);

    if (fromPage == null) {
      throw new WikiException("No such page " + renameFrom);
    }

    WikiPage toPage = engine.getPage(renameTo);

    if (toPage != null) {
      throw new WikiException("Page already exists " + renameTo);
    }

    //
    //  Options
    //

    m_camelCase =
        TextUtil.getBooleanProperty(
            engine.getWikiProperties(), JSPWikiMarkupParser.PROP_CAMELCASELINKS, m_camelCase);

    Set<String> referrers = getReferencesToChange(fromPage, engine);

    //
    //  Do the actual rename by changing from the frompage to the topage, including
    //  all of the attachments
    //

    engine.getPageManager().getProvider().movePage(renameFrom, renameTo);

    if (engine.getAttachmentManager().attachmentsEnabled()) {
      engine
          .getAttachmentManager()
          .getCurrentProvider()
          .moveAttachmentsForPage(renameFrom, renameTo);
    }

    //
    //  Add a comment to the page notifying what changed.  This adds a new revision
    //  to the repo with no actual change.
    //

    toPage = engine.getPage(renameTo);

    if (toPage == null)
      throw new InternalWikiException(
          "Rename seems to have failed for some strange reason - please check logs!");

    toPage.setAttribute(WikiPage.CHANGENOTE, fromPage.getName() + " ==> " + toPage.getName());
    toPage.setAuthor(context.getCurrentUser().getName());

    engine.getPageManager().putPageText(toPage, engine.getPureText(toPage));

    //
    //  Update the references
    //

    engine.getReferenceManager().pageRemoved(fromPage);
    engine.updateReferences(toPage);

    //
    //  Update referrers
    //
    if (changeReferrers) {
      updateReferrers(context, fromPage, toPage, referrers);
    }

    //
    //  re-index the page
    //
    engine.getSearchManager().reindexPage(toPage);

    Collection<Attachment> attachments = engine.getAttachmentManager().listAttachments(toPage);
    for (Attachment att : attachments) {
      engine.getSearchManager().reindexPage(att);
    }

    //
    //  Done, return the new name.
    //
    return renameTo;
  }