private void rollbackChanged()

in src/net/sourceforge/transparent/Checkin/CCaseRollbackEnvironment.java [167:225]
47 lines of code
13 McCabe index (conditional complexity)

  private void rollbackChanged( List<Change> changes, HashSet<FilePath> processedFiles, List<VcsException> errors,
                                @NotNull final RollbackProgressListener listener)
  {
    for( Change change : changes )
    {
      if( !VcsUtil.isChangeForNew( change ) &&
          !VcsUtil.isChangeForDeleted(change))
      {
        final boolean isRenameChange = VcsUtil.isRenameChange(change);
        if (VcsUtil.isChangeForFolder(change) && isRenameChange) {
          final File wasFile = change.getBeforeRevision().getFile().getIOFile();
          final Status status = host.getStatus(wasFile);
          if (! (Status.CHECKED_OUT.equals(status) || Status.HIJACKED.equals(status))) {
            continue;
          }
        }

        FilePath filePath = change.getAfterRevision().getFile();
        String path = filePath.getPath();
        listener.accept(change);

        if(isRenameChange)
        {
          //  Track two different cases:
          //  - we delete the file which is already in the repository.
          //    Here we need to "Get" the latest version of the original
          //    file from the repository and delete the new file.
          //  - we delete the renamed file which is new and does not exist
          //    in the repository. We need to ignore the error message from
          //    the SourceSafe ("file not existing") and just delete the
          //    new file.

          List<VcsException> localErrors = new ArrayList<>();
          FilePath oldFile = change.getBeforeRevision().getFile();
          host.undoCheckoutFile( oldFile.getIOFile(), localErrors );
          if( localErrors.size() > 0 && !isUnknownFileError( localErrors ) ) {
            errors.addAll( localErrors );
          }

          host.renamedFiles.remove( filePath.getPath() );
          FileUtil.delete( new File( path ) );
        }
        else
        {
          final Status fileStatus = host.getStatusSafely(filePath.getIOFile());
          if (! Status.HIJACKED.equals(fileStatus)) {
            if (filePath.getVirtualFile() == null) {
              host.undoCheckoutFile( filePath.getIOFile(), errors );
            } else {
              host.undoCheckoutFile( filePath.getVirtualFile(), errors );
            }
          } else {
            updateFile( path, errors );
          }
        }
        processedFiles.add( filePath );
      }
    }
  }