determine whether the given url points to a resource in the file system , that is , has protocol `` file '' , `` vfsfile '' or `` vfs '' . concode_field_sep String WAR_URL_PREFIX concode_elem_sep String JAR_URL_SEPARATOR concode_elem_sep String URL_PROTOCOL_FILE concode_elem_sep String URL_PROTOCOL_JAR concode_elem_sep String URL_PROTOCOL_VFSZIP concode_elem_sep String JAR_URL_PREFIX concode_elem_sep String WAR_URL_SEPARATOR concode_elem_sep String URL_PROTOCOL_VFS concode_elem_sep String CLASSPATH_URL_PREFIX concode_elem_sep String URL_PROTOCOL_ZIP concode_elem_sep String JAR_FILE_EXTENSION concode_elem_sep String FILE_URL_PREFIX concode_elem_sep String URL_PROTOCOL_VFSFILE concode_elem_sep String URL_PROTOCOL_WSJAR concode_field_sep URL getURL concode_elem_sep boolean isJarURL concode_elem_sep URL extractJarFileURL concode_elem_sep URI toURI concode_elem_sep URI toURI concode_elem_sep boolean isUrl concode_elem_sep boolean isJarFileURL concode_elem_sep void useCachesIfNecessary concode_elem_sep URL extractArchiveURL concode_elem_sep File getFile concode_elem_sep File getFile concode_elem_sep File getFile concode_elem_sep File getFile concode_elem_sep File getFile
boolean function ( URL arg0 ) { String loc0 = arg0 . getProtocol ( ) ; return ( URL_PROTOCOL_FILE . equals ( loc0 ) || URL_PROTOCOL_VFSFILE . equals ( loc0 ) || URL_PROTOCOL_VFS . equals ( loc0 ) ) ; }