FTP Tool Class

 PackageCom.ttg.utils.common;//~---non-jdk imports--------------------------------------------------------Importorg.apache.commons.net.ftp.FTPClient;ImportOrg.apache.commons.net.ftp.FTPClientConfig;ImportOrg.apache.commons.net.ftp.FTPFile;Importorg.apache.commons.net.ftp.FTPReply;ImportJava.io.*;//~---JDK imports------------------------------------------------------------//~---classes----------------------------------------------------------------/** *  */ Public classFtpclientutil {/*** Field FTP Description*/    Private Staticftpclient FTP; /**     *     * @paramPath * uploaded to the FTP server under which paths *@paramAddr * Address *@paramPort * Port number *@paramUsername * User name *@paramPassword * Password *@return     * @throwsException*/     Public Static BooleanConnect (string path, String addr,intPort, string Username, string password)throwsException {Booleanresult =false; FTP=Newftpclient (); intreply;    Ftp.connect (addr, port);    Ftp.login (username, password);    Ftp.setfiletype (Ftpclient.binary_file_type); Reply=Ftp.getreplycode (); if(!ftpreply.ispositivecompletion (Reply))        {Ftp.disconnect (); returnresult;    } ftp.changeworkingdirectory (path); Result=true; returnresult; }    /**     *     * @paramfile * uploaded files or folders *@throwsException*/     Public Static voidUpload (file file)throwsException {if(File.isdirectory ()) {ftp.makedirectory (File.getname ());        Ftp.changeworkingdirectory (File.getname ()); string[] Files=file.list ();  for(inti = 0; i < files.length; i++) {File file1=NewFile (File.getpath () + "\ \" +Files[i]); if(File1.isdirectory ()) {upload (file1);        Ftp.changetoparentdirectory (); } Else{File file2=NewFile (File.getpath () + "\ \" +Files[i]); FileInputStream input=NewFileInputStream (file2);            Ftp.storefile (File2.getname (), input);        Input.close (); }        }    } Else{File file2=NewFile (File.getpath ()); FileInputStream input=NewFileInputStream (file2);        Ftp.storefile (File2.getname (), input);    Input.close (); }    }    /*** Description: Uploading files to FTP server * *@paramURL * FTP server hostname *@paramPort * FTP server ports *@paramUsername * FTP Login account *@paramPassword * FTP login password *@paramPath * FTP Server save directory *@paramFileName * uploaded to the file name on the FTP server *@paramInput * Stream *@returnSuccess returns True, otherwise false*/     Public Static BooleanUploadFile (String URL,intport, string Username, string password, string path, string filename, InputStream input) {    BooleanSuccess =false; FTP=Newftpclient (); Ftpclientconfig Config=NewFtpclientconfig (); //config.setxxx (YYY);//Change Required Options//For example Config.setservertimezoneid ("Pacific/pitcairn")Ftp.setdatatimeout (6000); Ftp.setconnecttimeout (6000);    Ftp.configure (config); Try {        intreply; Ftp.connect (URL, port); //connecting to an FTP server//ftp.connect (URL); //If you use the default port, you can connect directly to the FTP server using Ftp.connect (URL)Ftp.login (username, password);//LoginReply =Ftp.getreplycode (); if(!ftpreply.ispositivecompletion (Reply))        {Ftp.disconnect (); returnsuccess;        } ftp.changeworkingdirectory (path);        Ftp.storefile (filename, input);        Input.close ();        Ftp.logout (); Success=true; } Catch(IOException e) {e.printstacktrace (); } finally {        if(ftp.isconnected ()) {Try{ftp.disconnect (); } Catch(IOException IoE) {}}} returnsuccess; }    /*** Description: Download files from FTP server * *@paramURL * FTP server hostname *@paramPort * FTP server ports *@paramUsername * FTP Login account *@paramPassword * FTP login password *@paramRemotePath * Relative path on FTP server *@paramfilename * file name to download *@paramLocalPath * Save to Local path after download *@return     */     Public Static BooleanDownfile (String URL,intport, string Username, string password, string remotepath, String fileName, String localPath) {    BooleanSuccess =false; FtpClient FTP=Newftpclient (); Try {        intreply;        Ftp.connect (URL, port); //If you use the default port, you can connect directly to the FTP server using Ftp.connect (URL)Ftp.login (username, password);//LoginReply =Ftp.getreplycode (); if(!ftpreply.ispositivecompletion (Reply))        {Ftp.disconnect (); returnsuccess; } ftp.changeworkingdirectory (RemotePath); //Transfer to FTP server directoryftpfile[] FS=Ftp.listfiles ();  for(Ftpfile ff:fs) {if(Ff.getname (). Equals (FileName)) {File LocalFile=NewFile (LocalPath + "/" +ff.getname ()); OutputStream is=NewFileOutputStream (LocalFile);            Ftp.retrievefile (Ff.getname (), is);        Is.close ();        }} ftp.logout (); Success=true; } Catch(IOException e) {e.printstacktrace (); } finally {        if(ftp.isconnected ()) {Try{ftp.disconnect (); } Catch(IOException IoE) {}}} returnsuccess; }}

FTP Tool Class