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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.ci.tests.execute.setup;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPReply;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;
public class AttFtpClient {
private static final AttFtpClient FTP_CLIENT = new AttFtpClient();
public static AttFtpClient getFtpClient() {
return FTP_CLIENT;
}
private FTPClient apacheFtpClient;
private AttFtpClient() {
apacheFtpClient = new FTPClient();
}
public void init(String server, int port, String user, String pass) {
try {
apacheFtpClient.connect(server, port);
showServerReply(apacheFtpClient);
int replyCode = apacheFtpClient.getReplyCode();
if (!FTPReply.isPositiveCompletion(replyCode)) {
System.out.println("Connect failed");
return;
}
boolean success = apacheFtpClient.login(user, pass);
showServerReply(apacheFtpClient);
if (!success) {
System.out.println("Could not login to the server");
return;
}
} catch (IOException ex) {
System.out.println("Oops! Something wrong happened");
ex.printStackTrace();
}
}
public File retrieveLastModifiedFileFromFTP() throws IOException {
FTPFile[] files1 = retrieveListOfFile();
// sort list by TimeStamp
List<FTPFile> sorted = Arrays.asList(files1).stream()
.sorted(Comparator.comparing(FTPFile::getTimestamp)).collect(Collectors.toList());
printFileDetailsList(sorted);
// retrieve file from FTP
FTPFile ftpFile = sorted.get(sorted.size() - 1);
return retrieveFileFromFTP(ftpFile);
}
public FTPFile[] retrieveListOfFile() throws IOException {
// Lists files and directories
FTPFile[] files = apacheFtpClient.listFiles("");
printNames(files);
return files;
}
public File retrieveFileFromFTP(FTPFile ftpFile) throws IOException {
File downloadFile1 = new File("tmp");
OutputStream outputStream1 = new BufferedOutputStream(new FileOutputStream(downloadFile1));
boolean success = apacheFtpClient.retrieveFile(ftpFile.getName(), outputStream1);
outputStream1.close();
if (success) {
System.out.println("File #1 has been downloaded successfully.");
}
return downloadFile1;
}
public void deleteFilesFromFTPserver() throws IOException {
FTPFile[] files = retrieveListOfFile();
deleteFiles(files);
}
public void terminateClient() throws IOException {
String status = apacheFtpClient.getStatus();
// logs out and disconnects from server
try {
if (apacheFtpClient.isConnected()) {
apacheFtpClient.logout();
apacheFtpClient.disconnect();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
private void printFileDetailsList(List<FTPFile> list) {
DateFormat dateFormater = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
for (FTPFile ftpFile : list) {
String details = ftpFile.getName();
if (ftpFile.isDirectory()) {
details = "[" + details + "]";
}
details += "\t\t" + ftpFile.getSize();
details += "\t\t" + dateFormater.format(ftpFile.getTimestamp().getTime());
System.out.println(details);
}
}
private void printNames(FTPFile[] files) {
if (files != null && files.length > 0) {
for (FTPFile aFile : files) {
System.out.println(aFile);
}
}
}
private void showServerReply(FTPClient ftpClient) {
String[] replies = ftpClient.getReplyStrings();
if (replies != null && replies.length > 0) {
for (String aReply : replies) {
System.out.println("SERVER: " + aReply);
}
}
}
public class LastModifiedComparator implements Comparator<FTPFile> {
public int compare(FTPFile f1, FTPFile f2) {
return f1.getTimestamp().compareTo(f2.getTimestamp());
}
}
public FTPFile getMaxLastModified(FTPFile[] ftpFiles) {
return Collections.max(Arrays.asList(ftpFiles), new LastModifiedComparator());
}
public static void displayFiles(File[] files) {
for (File file : files) {
System.out.printf("File: %-20s Last Modified:" + new Date(file.lastModified()) + "\n", file.getName());
}
}
public void deleteFiles(FTPFile[] files) {
for (FTPFile file : files) {
boolean deleted = false;
try {
deleted = apacheFtpClient.deleteFile(file.getName());
} catch (IOException e) {
e.printStackTrace();
}
if (deleted) {
System.out.println("The file was deleted successfully.");
} else {
System.out.println("Could not delete the file, it may not exist.");
}
}
}
}
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