code: public static File[] findJournalFiles( String baseName , File dataFolder )
      {
      	final String journalBase = baseName+JournalFile.SUFFIX;
      	File[] journalFiles = dataFolder.listFiles(new FileFilter() {
  			/*
  			 * (non-Javadoc)
  			 * @see java.io.FileFilter#accept(java.io.File)
  			 */
  			@Override
  			public boolean accept(File pathname)
  			{
  				if (!pathname.isFile())
  					return false;
  				
  				return pathname.getName().startsWith(journalBase) &&
  				       !pathname.getName().endsWith(JournalFile.RECYCLED_SUFFIX);
  			}
  		});
      	
      	// Sort them in ascending order
      	Arrays.sort(journalFiles, new Comparator<File>() {
  			@Override
  			public int compare(File f1, File f2)
  			{			
  				return f1.getName().compareTo(f2.getName());
  			}
  		});
      	
      	return journalFiles;
      }
docs: Find existing journal files for a given base name
  @param baseName
  @param dataFolder
  @return an array of journal files