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[BAEL-10840] - Moved FTP related code back to libraries module

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This commit is contained in:
amit2103
2018-12-16 17:11:21 +05:30
parent ea25895da1
commit 5174d9495b
7 changed files with 15 additions and 9 deletions
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3
libraries-apache-commons/README.md
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@@ -17,5 +17,4 @@
- [Apache Commons Collections BidiMap](http://www.baeldung.com/commons-collections-bidi-map)
- [Apache Commons Collections MapUtils](http://www.baeldung.com/apache-commons-map-utils)
- [Histograms with Apache Commons Frequency](http://www.baeldung.com/apache-commons-frequency)
- [An Introduction to Apache Commons Lang 3](https://www.baeldung.com/java-commons-lang-3)
- [Implementing a FTP-Client in Java](http://www.baeldung.com/java-ftp-client)
- [An Introduction to Apache Commons Lang 3](https://www.baeldung.com/java-commons-lang-3)

7
libraries-apache-commons/pom.xml
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@@ -83,12 +83,6 @@
<version>${org.hamcrest.java-hamcrest.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockftpserver</groupId>
<artifactId>MockFtpServer</artifactId>
<version>${mockftpserver.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
@@ -110,7 +104,6 @@
<commons-net.version>3.6</commons-net.version>
<hamcrest-all.version>1.3</hamcrest-all.version>
<common-math3.version>3.6.1</common-math3.version>
<mockftpserver.version>2.7.1</mockftpserver.version>
</properties>
</project>

63
libraries-apache-commons/src/main/java/com/baeldung/ftp/FtpClient.java
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@@ -1,63 +0,0 @@
package com.baeldung.ftp;
import org.apache.commons.net.PrintCommandListener;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPReply;
import java.io.*;
import java.util.Arrays;
import java.util.Collection;
import java.util.stream.Collectors;
class FtpClient {
private final String server;
private final int port;
private final String user;
private final String password;
private FTPClient ftp;
FtpClient(String server, int port, String user, String password) {
this.server = server;
this.port = port;
this.user = user;
this.password = password;
}
void open() throws IOException {
ftp = new FTPClient();
ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out)));
ftp.connect(server, port);
int reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
throw new IOException("Exception in connecting to FTP Server");
}
ftp.login(user, password);
}
void close() throws IOException {
ftp.disconnect();
}
Collection<String> listFiles(String path) throws IOException {
FTPFile[] files = ftp.listFiles(path);
return Arrays.stream(files)
.map(FTPFile::getName)
.collect(Collectors.toList());
}
void putFileToPath(File file, String path) throws IOException {
ftp.storeFile(path, new FileInputStream(file));
}
void downloadFile(String source, String destination) throws IOException {
FileOutputStream out = new FileOutputStream(destination);
ftp.retrieveFile(source, out);
}
}

73
libraries-apache-commons/src/test/java/com/baeldung/ftp/FtpClientIntegrationTest.java
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@@ -1,73 +0,0 @@
package com.baeldung.ftp;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockftpserver.fake.FakeFtpServer;
import org.mockftpserver.fake.UserAccount;
import org.mockftpserver.fake.filesystem.DirectoryEntry;
import org.mockftpserver.fake.filesystem.FileEntry;
import org.mockftpserver.fake.filesystem.FileSystem;
import org.mockftpserver.fake.filesystem.UnixFakeFileSystem;
import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.Collection;
import static org.assertj.core.api.Assertions.assertThat;
public class FtpClientIntegrationTest {
private FakeFtpServer fakeFtpServer;
private FtpClient ftpClient;
@Before
public void setup() throws IOException {
fakeFtpServer = new FakeFtpServer();
fakeFtpServer.addUserAccount(new UserAccount("user", "password", "/data"));
FileSystem fileSystem = new UnixFakeFileSystem();
fileSystem.add(new DirectoryEntry("/data"));
fileSystem.add(new FileEntry("/data/foobar.txt", "abcdef 1234567890"));
fakeFtpServer.setFileSystem(fileSystem);
fakeFtpServer.setServerControlPort(0);
fakeFtpServer.start();
ftpClient = new FtpClient("localhost", fakeFtpServer.getServerControlPort(), "user", "password");
ftpClient.open();
}
@After
public void teardown() throws IOException {
ftpClient.close();
fakeFtpServer.stop();
}
@Test
public void givenRemoteFile_whenListingRemoteFiles_thenItIsContainedInList() throws IOException {
Collection<String> files = ftpClient.listFiles("");
assertThat(files).contains("foobar.txt");
}
@Test
public void givenRemoteFile_whenDownloading_thenItIsOnTheLocalFilesystem() throws IOException {
ftpClient.downloadFile("/foobar.txt", "downloaded_buz.txt");
assertThat(new File("downloaded_buz.txt")).exists();
new File("downloaded_buz.txt").delete(); // cleanup
}
@Test
public void givenLocalFile_whenUploadingIt_thenItExistsOnRemoteLocation() throws URISyntaxException, IOException {
File file = new File(getClass().getClassLoader().getResource("ftp/baz.txt").toURI());
ftpClient.putFileToPath(file, "/buz.txt");
assertThat(fakeFtpServer.getFileSystem().exists("/buz.txt")).isTrue();
}
}

63
libraries-apache-commons/src/test/java/com/baeldung/ftp/JdkFtpClientIntegrationTest.java
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@@ -1,63 +0,0 @@
package com.baeldung.ftp;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockftpserver.fake.FakeFtpServer;
import org.mockftpserver.fake.UserAccount;
import org.mockftpserver.fake.filesystem.DirectoryEntry;
import org.mockftpserver.fake.filesystem.FileEntry;
import org.mockftpserver.fake.filesystem.FileSystem;
import org.mockftpserver.fake.filesystem.UnixFakeFileSystem;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLConnection;
import java.nio.file.Files;
import java.util.Collection;
import static org.assertj.core.api.Assertions.assertThat;
public class JdkFtpClientIntegrationTest {
private FakeFtpServer fakeFtpServer;
@Before
public void setup() throws IOException {
fakeFtpServer = new FakeFtpServer();
fakeFtpServer.addUserAccount(new UserAccount("user", "password", "/data"));
FileSystem fileSystem = new UnixFakeFileSystem();
fileSystem.add(new DirectoryEntry("/data"));
fileSystem.add(new FileEntry("/data/foobar.txt", "abcdef 1234567890"));
fakeFtpServer.setFileSystem(fileSystem);
fakeFtpServer.setServerControlPort(0);
fakeFtpServer.start();
}
@After
public void teardown() throws IOException {
fakeFtpServer.stop();
}
@Test
public void givenRemoteFile_whenDownloading_thenItIsOnTheLocalFilesystem() throws IOException {
String ftpUrl = String.format("ftp://user:password@localhost:%d/foobar.txt", fakeFtpServer.getServerControlPort());
URLConnection urlConnection = new URL(ftpUrl).openConnection();
InputStream inputStream = urlConnection.getInputStream();
Files.copy(inputStream, new File("downloaded_buz.txt").toPath());
inputStream.close();
assertThat(new File("downloaded_buz.txt")).exists();
new File("downloaded_buz.txt").delete(); // cleanup
}
}