Java FTP Upload Example using Apache Commons Net APIRecently I was working in a web project where I had to upload a lot of images to the FTP server. Few days back, I wrote a program to resize image in java. My actual program was to resize all the images in a directory and then upload to FTP server using Apache Commons Net API. Here I am providing a java program to upload file to FTP server using Apache Commons Net API.
File. import java. File. Input. Stream. IOException. import java. Input. Stream. import java. Print. Writer. import org.
Print. Command. Listener. FTP. import org. apache. FTPClient. import org. FTPReply. public class FTPUploader {. FTPClient ftp = null.
FTPUploader(String host, String user, String pwd) throws Exception{. FTPClient(). ftp. Protocol. Command. Listener(new Print. Command. Listener(new Print.
Download apache-commons-net.jar. Files contained in apache-commons-net.jar: META-INF/MANIFEST.MF org.apache.commons.net.CharGenTCPClient.class org.apache.commons.net.
A Java FTP example of listing files and directories on a FTP server using Apache Commons Net API. The listFiles() method of org.apache.commons.net.ftp.FTPClient works fine with Filezilla server on 127.0.0.1 but returns null on the root directory of public FTP. I am unable to connect to ftp server from andriod phone.a simple java application to upload image to server is running fine.but the same in andriod is not working.
Writer(System. out))). Reply. Code(). if (! FTPReply. is. Positive. Completion(reply)) {. Exception("Exception in connecting to FTP Server"). File. Type(FTP. BINARY_FILE_TYPE).
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Local. Passive. Mode(). File(String local. File. Full. Name, String file. Name, String host. Dir). throws Exception {. Input. Stream input = new File. Input. Stream(new File(local.
Exception in thread 'main' java.lang.NoClassDefFoundError: org/apache/oro/text/regex/MalformedPatternExceptio n at org.apache.commons.net.ftp.parser.DefaultFTPFileEn. In Eclipse, the following import. import org.apache.commons.net.ftp.FTPClient.produces the following error message. The import org.apache cannot be resolved.
With that code I had problem when files were bigger than 1024 bytes. I solved the problem incresing the buffer size with FTPClient.setBufferSize(1024 * 1024). Package org.jusfortechies.example; import org.apache.commons.net.ftp.FTPClient; import java.io.IOException; import java.io.FileOutputStream; public class.
File. Full. Name))){. File(host. Dir + file.
Name, input). public void disconnect(){. Connected()) {. this.
IOException f) {. String[] args) throws Exception {. System. out. println("Start"). FTPUploader ftp. Uploader = new FTPUploader("ftp. User", "ftp. Password"). FTP server path is relative. So if FTP account HOME directory is "/home/pankaj/public_html/" and you need to upload.
Uploader. upload. File("D: \\Pankaj\\images\\My.
Image. png", "image. Uploader. disconnect(). System. out. println("Done").
You can use above program to connect to FTP server and then upload files to the server. Make sure you provide FTP Host, user and password details correctly in the program. You can get these details when you create an FTP user. The other important point to note is the server directory location and it’s relative to the FTP user home directory. Also once you are done with uploading all the files, close the connection to server and release resources. Play around with the code, I hope you will find it useful and easy to understand.