Exemple #1
0
  /**
   * Gets and writes the first comments of a file.
   *
   * @param file The selected file to get the comments.
   * @param writer The writer which is going to write the comments.
   * @throws IOException If an error occurred with the file.
   */
  private static void writeFileHeaderComments(final File file, final LDIFEntryWriter writer)
      throws IOException {
    BufferedReader br = null;
    try {
      br = new BufferedReader(new FileReader(file));
      String comment = br.readLine();

      while (comment != null && comment.startsWith("#")) {
        writer.writeComment(comment.replaceAll("# ", "").replaceAll("#", ""));
        comment = br.readLine();
      }
    } catch (IOException ex) {
      throw ex;
    } finally {
      StaticUtils.close(br);
    }
  }
Exemple #2
0
  /**
   * Updates the config file during the upgrade process.
   *
   * @param configPath The original path to the file.
   * @param filter The filter to select entries. Only useful for modify change type.
   * @param changeType The change type which must be applied to ldif lines.
   * @param ldifLines The change record ldif lines. For ADD change type, the first line must be the
   *     dn. For DELETE change type, the first and only line must be the dn.
   * @throws IOException If an Exception occurs during the input output methods.
   * @return The changes number that have occurred.
   */
  static int updateConfigFile(
      final String configPath,
      final Filter filter,
      final ChangeOperationType changeType,
      final String... ldifLines)
      throws IOException {
    final File original = new File(configPath);
    final File copyConfig = File.createTempFile("copyConfig", ".tmp", original.getParentFile());

    int changeCount = 0;
    LDIFEntryReader entryReader = null;
    LDIFEntryWriter writer = null;
    try {
      final Schema schema = getUpgradeSchema();
      entryReader = new LDIFEntryReader(new FileInputStream(configPath)).setSchema(schema);

      writer = new LDIFEntryWriter(new FileOutputStream(copyConfig));
      writer.setWrapColumn(80);

      // Writes the header on the new file.
      writer.writeComment(INFO_CONFIG_FILE_HEADER.get());
      writer.setWrapColumn(0);

      boolean entryAlreadyExist = false;
      DN ldifDN = null;
      if (filter == null && (changeType == ADD || changeType == DELETE)) {
        // The first line should start with dn:
        ldifDN = DN.valueOf(ldifLines[0].replaceFirst("dn: ", ""));
      }
      final Filter f = filter != null ? filter : Filter.alwaysFalse();
      final Matcher matcher = f.matcher(schema);
      while (entryReader.hasNext()) {
        Entry entry = entryReader.readEntry();
        final DN entryDN = entry.getName();
        // Searching for the related entries
        if (changeType == MODIFY && matcher.matches(entry) == ConditionResult.TRUE) {
          try {
            final ModifyRequest mr =
                Requests.newModifyRequest(readLDIFLines(entryDN, changeType, ldifLines));
            entry = Entries.modifyEntryPermissive(entry, mr.getModifications());
            changeCount++;
            logger.debug(
                LocalizableMessage.raw("The following entry has been modified : %s", entryDN));
          } catch (Exception ex) {
            logger.error(LocalizableMessage.raw(ex.getMessage()));
          }
        }

        if (entryDN.equals(ldifDN)) {
          logger.debug(LocalizableMessage.raw("Entry %s found", entryDN));
          entryAlreadyExist = true;

          if (changeType == DELETE) {
            entry = null;
            changeCount++;
            logger.debug(
                LocalizableMessage.raw("The following entry has been deleted : %s", entryDN));
          }
        }

        if (entry != null) {
          writer.writeEntry(entry);
        }
      }

      if (changeType == ADD && !entryAlreadyExist) {
        final AddRequest ar = Requests.newAddRequest(ldifLines);
        writer.writeEntry(ar);
        logger.debug(
            LocalizableMessage.raw(
                "Entry successfully added %s in %s", ldifDN, original.getAbsolutePath()));
        changeCount++;
      }
    } catch (Exception ex) {
      throw new IOException(ex.getMessage());
    } finally {
      // The reader and writer must be close before renaming files.
      // Otherwise it causes exceptions under windows OS.
      StaticUtils.close(entryReader, writer);
    }

    try {
      // Renaming the file, overwriting previous one.
      rename(copyConfig, new File(configPath));
    } catch (IOException e) {
      logger.error(LocalizableMessage.raw(e.getMessage()));
      deleteRecursively(original);
      throw e;
    }

    return changeCount;
  }