Пример #1
0
 public UpButton() {
   Mnemonic mnText = new Mnemonic(ResourceStrings.getString("up_button"));
   setImage(getClass(), "up.gif", mnText);
 }
Пример #2
0
  /**
   * Perform the actual export.
   *
   * @param deleteData True if data should be deleted after a successful export.
   * @param overwrite True if file should be forcibly overwritten. An ExistsException will be thrown
   *     if the file exists and overwrite is false.
   * @return true if the export succeeded, false on failure.
   */
  public boolean exportData(boolean deleteData, boolean overwrite) throws ExistsException {

    Object ref = null;

    // Value to return; default to false for failure
    boolean retval = false;

    // Default to deleting the file on any errors
    boolean deleteFile = true;

    if (allNets) {
      try {
        // Load network list
        setNetworks(server.getNetMgr().getNetworks());
      } catch (Exception e) {
        displayException(e, ResourceStrings.getString("exp_err_loading_networks"));
        return false;
      }
    }

    /*
     * Number of records in the export file is number of networks, plus 1
     * for options, plus 1 for macros.
     */
    int recCount = networks.length + 2;

    // Calculate total number of estimated ops for progress
    int optionOps = allOptions ? DEFAULT_OPTION_COUNT : options.length;
    int optionDelOps = 0;
    int macroOps = allMacros ? DEFAULT_MACRO_COUNT : macros.length;
    int macroDelOps = 0;
    int netOps = DEFAULT_CLIENTS_PER_NET * networks.length;
    int netDelOps = 0;
    int totalOps = optionOps + macroOps + netOps;
    if (totalOps == 0) {
      // Nothing to export!!!
      exporter.displayError(ResourceStrings.getString("exp_err_no_data"));
      return false;
    }
    // If user wants to delete, add to number of ops required
    if (deleteData) {
      optionDelOps = optionOps * OPTION_DELETE_OPS;
      macroDelOps = macroOps * MACRO_DELETE_OPS;
      netDelOps = netOps * NETWORK_DELETE_OPS;
      totalOps += optionDelOps + macroDelOps + netDelOps;
    }

    /*
     * Open the file; catch IO errors, but if we get an ExistsException we
     * just let that through to the caller, who's supposed to deal with it
     * appropriately.
     */
    try {
      ref = server.openExportFile(file, user, recCount, networks, overwrite);
      // If lock couldn't be obtained, display error and abort
      if (ref == null) {
        String[] args = new String[2];
        args[0] = server.getDhcpServiceMgr().getServerName();
        args[1] = server.getLockPath();
        MessageFormat form = new MessageFormat(ResourceStrings.getString("lock_error"));
        exporter.displayError(form.format(args));
        return false;
      }
    } catch (IOException e) {
      displayException(e, ResourceStrings.getString("exp_err_io"));
      return false;
    }

    try {

      // Initialize progress with our expected number of operations
      exporter.initializeProgress(totalOps);
      int progress = 0;

      // Now export the options
      if (optionOps != 0) {
        // Only update progress if we're actually doing something here
        exporter.updateProgress(progress, ResourceStrings.getString("exp_exporting_options"));
      }
      try {
        server.exportOptions(ref, allOptions, options);
      } catch (BridgeException e) {
        displayException(e, ResourceStrings.getString("exp_err_exporting_options"));
        throw new InterruptedException();
      }
      progress += optionOps;

      if (macroOps != 0) {
        // Only update progress if we're actually doing something here
        exporter.updateProgress(progress, ResourceStrings.getString("exp_exporting_macros"));
      }

      // Now export the macros
      try {
        server.exportMacros(ref, allMacros, macros);
      } catch (BridgeException e) {
        displayException(e, ResourceStrings.getString("exp_err_exporting_macros"));
        throw new InterruptedException();
      }
      progress += macroOps;

      // Set up for progress messages
      MessageFormat form = new MessageFormat(ResourceStrings.getString("exp_exporting_network"));
      String[] nets = new String[1];

      // Now export each network in turn
      for (int i = 0; i < networks.length; ++i) {
        // Export the network
        try {
          nets[0] = networks[i].toString();
          exporter.updateProgress(progress, form.format(nets));
          server.exportNetwork(ref, networks[i]);
          progress += DEFAULT_CLIENTS_PER_NET;
        } catch (BridgeException e) {
          MessageFormat fmt =
              new MessageFormat(ResourceStrings.getString("exp_err_exporting_network"));
          String[] args = new String[] {nets[0], e.getMessage()};
          exporter.displayError(fmt.format(args));
          throw new InterruptedException();
        }
      }

      // Success; don't delete the file
      deleteFile = false;

      // If user wants data deleted, too, then do it now
      if (deleteData) {
        ActionError[] optionErrs, macroErrs;

        // Delete options
        if (optionDelOps != 0) {
          // Only update progress if something to delete
          exporter.updateProgress(progress, ResourceStrings.getString("exp_deleting_options"));
        }
        if (allOptions) {
          try {
            optionErrs = server.getDhcptabMgr().deleteAllOptions();
          } catch (BridgeException e) {
            optionErrs = new ActionError[1];
            optionErrs[0] = new ActionError(ResourceStrings.getString("all_options"), e);
          }
        } else {
          optionErrs = server.getDhcptabMgr().deleteOptions(options);
        }
        progress += optionDelOps;

        // Delete macros
        if (macroDelOps != 0) {
          // Only update progress if something to delete
          exporter.updateProgress(progress, ResourceStrings.getString("exp_deleting_macros"));
        }
        if (allMacros) {
          try {
            macroErrs = server.getDhcptabMgr().deleteAllMacros();
          } catch (BridgeException e) {
            macroErrs = new ActionError[1];
            macroErrs[0] = new ActionError(ResourceStrings.getString("all_macros"), e);
          }
        } else {
          macroErrs = server.getDhcptabMgr().deleteMacros(macros);
        }
        progress += macroDelOps;

        // Delete each network in turn
        form = new MessageFormat(ResourceStrings.getString("exp_deleting_network"));
        ArrayList errList = new ArrayList();
        for (int i = 0; i < networks.length; ++i) {
          nets[0] = networks[i].toString();
          exporter.updateProgress(progress, form.format(nets));
          try {
            server.getNetMgr().deleteNetwork(nets[0], false, true);
          } catch (BridgeException e) {
            errList.add(new ActionError(nets[0], e));
          }
          progress += DEFAULT_CLIENTS_PER_NET * NETWORK_DELETE_OPS;
        }

        // This update informs caller we're done
        exporter.updateProgress(progress, ResourceStrings.getString("export_completed"));
        // Now display whatever errors happened during delete
        if (optionErrs != null && optionErrs.length > 0) {
          exporter.displayErrors(
              ResourceStrings.getString("exp_err_deleting_options"),
              ResourceStrings.getString("exp_option"),
              optionErrs);
        }

        if (macroErrs != null && macroErrs.length > 0) {
          exporter.displayErrors(
              ResourceStrings.getString("exp_err_deleting_macros"),
              ResourceStrings.getString("exp_macro"),
              macroErrs);
        }

        if (!errList.isEmpty()) {
          exporter.displayErrors(
              ResourceStrings.getString("exp_err_deleting_networks"),
              ResourceStrings.getString("exp_network"),
              (ActionError[]) errList.toArray(new ActionError[0]));
        }
      }
      retval = true;
    } catch (InterruptedException e) {
      /*
       * User wanted to cancel, or some serious failure occurred; in the
       * former case no need to display anything, in the latter it
       * was already displayed before we got here, so just return.
       */
      retval = false;
    } catch (Exception e) {
      // I/O error of some sort.  Display it before returning.
      displayException(e, ResourceStrings.getString("exp_err_io"));
      retval = false;
    } finally {
      // Always close before leaving; display any resulting errors
      try {
        server.closeExportFile(ref, deleteFile);
      } catch (IOException e) {
        displayException(e, ResourceStrings.getString("exp_err_closing_file"));
      }
    }
    return retval;
  }