Development tools-simple file operations

Logger log = Logger. getLogger (FileUtil. = (! "[File Create Error]" createFile (String fileName, String str, ret = "[File Write Error] \ t" + = createFile (String fileName, InputStream inputStream, ret = [] buffer = [4096 (n_bytes = inputStream. read (buffer ))! =-10 = "file writing failed:" + = List <String> fileNameList (String path) <String> list = ArrayList <String> = (file = |! Exception ("File (" + path + ") is not Found" ret = (originalFileName ==|| destinationFileName === (! "Original File (" + originalFileName + ") Nod Found ."(! "Target File (" + destinationFileName + ") Create Error. "" Copy File ("+ originalFileName +") to ("+ destinationFileName +") "=" Copy File ("+ originalFileName +") to ("+ destinationFileName + ") ERROR "" Copy File ERROR! File Name is: "+ = copyFlg ===== DataInputStream (= DataOutputStream ([] B = [1024 (len = dataInputStream. read (B ))! =-10 "File Copy ERROR" (dataInputStream! = (DataOutputStream! = (SourceFile. length () === (! "Delete File Not Found:" + "Delete File Error" main (String [] args) "F:/BaiDu Yum/su Ruian -htmlparser filter .pdf", "D:/test" "F: /tmp/test.txt "" F:/tmp/test.txt "," simple File Util ",