code: private static String getCommaSeparatedStringForFilePath(Collection<FilePathMapping> mappings) {
  
  		StringBuilder buffer = new StringBuilder();
  		for (Iterator<FilePathMapping> eltIterator = mappings.iterator(); eltIterator.hasNext();) {
  			FilePathMapping mapping = eltIterator.next();
  			buffer.append(mapping.getPath()).append(LAST_MODIFIED_SEPARATOR).append(mapping.getLastModified());
  			if (eltIterator.hasNext()) {
  				buffer.append(COMMA_SEPARATOR);
  			}
  		}
  		return buffer.toString();
  	}
docs: Returns the mapping list
  
  @param bundlePathMapping.getItemPathList()
  the item path list
  @return the item path list