외부 서버 파일 Upload/Download ☕
■ JAVA FileDownload
code snippet
package remoteFileDownload;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.UUID;
public class FileDownload {
static String fileUrl = "https://test.com/test.txt";
static String fileName = UUID.randomUUID().toString();
static int index = fileUrl.lastIndexOf(".");
static String ext = fileUrl.substring(index);
public static void main(String[] args) throws Exception {
Path target = Paths.get("C:/Temp", fileName + ext);
try {
URL url = new URL(fileUrl);
InputStream in = url.openStream();
Files.copy(in, target);
in.close();
System.out.println("File Download Success !");
} catch (IOException e) {
e.printStackTrace();
}
}
}
■ JAVA FileUpload
code snippet
package remoteFileUpload;
import java.io.File;
import java.io.FileInputStream;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
public class FileUpload{
static String rfileName = "test2.txt";
static String fileName = "test2.txt";
public static void main(String[] args) throws Exception {
try {
String des = "/var/www/html/test";
String src = "C:/Temp/";
JSch jsch = new JSch();
Session session = jsch.getSession("user", "192.168.xxx.xxx", 22);
session.setConfig("StrictHostKeyChecking", "no");
session.setConfig("PreferredAuthentications", "password");
session.setPassword("passowrd");
session.connect();
Channel channel = session.openChannel("sftp");
channel.connect();
ChannelSftp sftpChannel = (ChannelSftp) channel;
sftpChannel.cd(des);
File file = new File(src+fileName);
FileInputStream fis = new FileInputStream(file);
sftpChannel.put(fis, file.getName());
fis.close();
sftpChannel.disconnect();
channel.disconnect();
session.disconnect();
rfileName = file.getName();
System.out.println(rfileName +" Send Success !");
} catch(Exception e) {
e.printStackTrace();
}
}
}
