code: public static FilePathMapping buildFilePathMapping(JoinableResourceBundle bundle, String path,
  			ResourceReaderHandler rsHandler) {
  
  		FilePathMapping fPathMapping = null;
  		String filePath = rsHandler.getFilePath(path);
  		if(filePath != null){
  			
  			File f = new File(filePath);
  			if(f.exists()){
  				fPathMapping = new FilePathMapping(bundle, filePath, f.lastModified());
  				if(bundle != null){
  					bundle.getLinkedFilePathMappings().add(fPathMapping);
  				}
  			}else{
  				if(LOGGER.isDebugEnabled()){
  					LOGGER.debug("The file path '"+filePath+"'  associated to the URL '"+path+"' doesn't exixts.");
  				}
  			}
  		}
  		
  		return fPathMapping;
  	}
docs: Builds the File path mapping and add it to the file mappings of the bundle
  
  @param bundle the bundle
  @param path the resource path
  @param rsHandler the resource reader handler
  @return the file path mapping