private static long getLastModifiedTime ( File file ) { long fileLastModified = file . lastModified ( ) ; // If the file is absent, we don't know if it changed (maybe was deleted), // so assume it has just changed. if ( fileLastModified == 0 ) { fileLastModified = new Date ( ) . getTime ( ) ; } return fileLastModified ; }
Returns the last modified timestamp of the given File .