Add Apache MINA SftpEventListener

- republish certain events as `ApplicationEvent`s.

* * Add ApacheMinaFtplet to provide the same functionality with FTP
* Fix typo

* * Polishing javadocs and event toString() methods
This commit is contained in:
Gary Russell
2019-07-30 10:31:23 -04:00
committed by Artem Bilan
parent b1dfb7bfa3
commit cd0f56bc87
31 changed files with 1477 additions and 15 deletions

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@@ -0,0 +1,46 @@
/*
* Copyright 2019 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.integration.sftp.server;
import org.apache.sshd.server.session.ServerSession;
import org.springframework.integration.file.remote.server.FileServerEvent;
/**
* {@code ApplicationEvent} generated from Apache Mina sftp events.
*
* @author Gary Russell
* @since 5.2
*
*/
public abstract class ApacheMinaSftpEvent extends FileServerEvent {
private static final long serialVersionUID = 1L;
public ApacheMinaSftpEvent(Object source) {
super(source);
}
public ApacheMinaSftpEvent(Object source, Throwable cause) {
super(source, cause);
}
public ServerSession getSession() {
return (ServerSession) source;
}
}

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@@ -0,0 +1,113 @@
/*
* Copyright 2019 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.integration.sftp.server;
import java.io.IOException;
import java.nio.file.CopyOption;
import java.nio.file.Path;
import java.util.Collection;
import java.util.Map;
import org.apache.sshd.server.session.ServerSession;
import org.apache.sshd.server.subsystem.sftp.FileHandle;
import org.apache.sshd.server.subsystem.sftp.SftpEventListener;
import org.springframework.beans.factory.BeanNameAware;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;
import org.springframework.util.Assert;
/**
* A listener for SFTP events emitted by an Apache Mina sshd/sftp server.
* It emits selected events as Spring Framework {@code ApplicationEvent}s
* which are subclasses of {@link ApacheMinaSftpEvent}.
*
* @author Gary Russell
* @since 5.2
*
*/
public class ApacheMinaSftpEventListener implements SftpEventListener, ApplicationEventPublisherAware, BeanNameAware, InitializingBean {
private ApplicationEventPublisher applicationEventPublisher;
private String beanName;
@Override
public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
this.applicationEventPublisher = applicationEventPublisher;
}
protected ApplicationEventPublisher getApplicationEventPublisher() {
return this.applicationEventPublisher;
}
@Override
public void setBeanName(String name) {
this.beanName = name;
}
public String getBeanName() {
return this.beanName;
}
@Override
public void afterPropertiesSet() {
Assert.state(this.applicationEventPublisher != null, "An ApplicationEventPublisher is required");
}
@Override
public void initialized(ServerSession session, int version) {
this.applicationEventPublisher.publishEvent(new SessionOpenedEvent(session, version));
}
@Override
public void destroying(ServerSession session) throws IOException {
this.applicationEventPublisher.publishEvent(new SessionClosedEvent(session));
}
@Override
public void created(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown) {
this.applicationEventPublisher.publishEvent(new DirectoryCreatedEvent(session, path, attrs));
}
@Override
public void removed(ServerSession session, Path path, boolean isDirectory, Throwable thrown) {
this.applicationEventPublisher.publishEvent(new PathRemovedEvent(session, path, isDirectory, thrown));
}
@Override
public void written(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, byte[] data,
int dataOffset, int dataLen, Throwable thrown) {
this.applicationEventPublisher.publishEvent(new FileWrittenEvent(session, remoteHandle, localHandle.getFile(),
dataLen, thrown));
}
@Override
public void moved(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts,
Throwable thrown) {
this.applicationEventPublisher.publishEvent(new PathMovedEvent(session, srcPath, dstPath, thrown));
}
@Override
public String toString() {
return "ApacheMinaSftpEventListener [beanName=" + this.beanName + "]";
}
}

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@@ -0,0 +1,58 @@
/*
* Copyright 2019 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.integration.sftp.server;
import java.nio.file.Path;
import java.util.Map;
/**
* An event emitted when a directory is created.
*
* @author Gary Russell
* @since 5.2
*
*/
public class DirectoryCreatedEvent extends ApacheMinaSftpEvent {
private static final long serialVersionUID = 1L;
private final Path path;
private final Map<String, ?> attrs;
public DirectoryCreatedEvent(Object source, Path path, Map<String, ?> attrs) {
super(source);
this.path = path;
this.attrs = attrs;
}
public Path getPath() {
return this.path;
}
public Map<String, ?> getAttrs() {
return this.attrs;
}
@Override
public String toString() {
return "DirectoryCreatedEvent [path=" + this.path
+ ", attrs=" + this.attrs
+ ", clientAddress=" + getSession().getClientAddress() + "]";
}
}

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@@ -0,0 +1,68 @@
/*
* Copyright 2019 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.integration.sftp.server;
import java.nio.file.Path;
import org.springframework.lang.Nullable;
/**
* An event that is emitted when a file is written.
*
* @author Gary Russell
* @since 5.2
*
*/
public class FileWrittenEvent extends ApacheMinaSftpEvent {
private static final long serialVersionUID = 1L;
private final String remoteHandle;
private final Path file;
private final int dataLen;
public FileWrittenEvent(Object source, String remoteHandle, Path file, int dataLen, @Nullable Throwable thrown) {
super(source, thrown);
this.remoteHandle = remoteHandle;
this.file = file;
this.dataLen = dataLen;
}
public String getRemoteHandle() {
return this.remoteHandle;
}
public Path getFile() {
return this.file;
}
public int getDataLen() {
return this.dataLen;
}
@Override
public String toString() {
return "FileWrittenEvent [remoteHandle=" + this.remoteHandle
+ ", file=" + this.file
+ ", dataLen=" + this.dataLen
+ (this.cause == null ? "" : ", cause=" + this.cause)
+ ", clientAddress=" + getSession().getClientAddress() + "]";
}
}

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@@ -0,0 +1,60 @@
/*
* Copyright 2019 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.integration.sftp.server;
import java.nio.file.Path;
import org.springframework.lang.Nullable;
/**
* An event emitted when a path is moved.
* @author Gary Russell
*
* @since 5.2
*
*/
public class PathMovedEvent extends ApacheMinaSftpEvent {
private static final long serialVersionUID = 1L;
private final Path srcPath;
private final Path dstPath;
public PathMovedEvent(Object source, Path srcPath, Path dstPath, @Nullable Throwable thrown) {
super(source, thrown);
this.srcPath = srcPath;
this.dstPath = dstPath;
}
public Path getSrcPath() {
return this.srcPath;
}
public Path getDstPath() {
return this.dstPath;
}
@Override
public String toString() {
return "PathMovedEvent [srcPath=" + this.srcPath
+ ", dstPath=" + this.dstPath
+ (this.cause == null ? "" : ", cause=" + this.cause)
+ ", clientAddress=" + getSession().getClientAddress() + "]";
}
}

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@@ -0,0 +1,60 @@
/*
* Copyright 2019 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.integration.sftp.server;
import java.nio.file.Path;
import org.springframework.lang.Nullable;
/**
* An event emitted when a file or directory is removed.
*
* @author Gary Russell
* @since 5.2
*
*/
public class PathRemovedEvent extends ApacheMinaSftpEvent {
private static final long serialVersionUID = 1L;
private final Path path;
private final boolean isDirectory;
public PathRemovedEvent(Object source, Path path, boolean isDirectory, @Nullable Throwable thrown) {
super(source, thrown);
this.path = path;
this.isDirectory = isDirectory;
}
public Path getPath() {
return this.path;
}
public boolean isDirectory() {
return this.isDirectory;
}
@Override
public String toString() {
return "PathRemovedEvent [path=" + this.path
+ ", isDirectory=" + this.isDirectory
+ (this.cause == null ? "" : ", cause=" + this.cause)
+ ", clientAddress=" + getSession().getClientAddress() + "]";
}
}

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@@ -0,0 +1,41 @@
/*
* Copyright 2019 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.integration.sftp.server;
import org.apache.sshd.server.session.ServerSession;
/**
* An event emitted when a session is closed.
*
* @author Gary Russell
* @since 5.2
*
*/
public class SessionClosedEvent extends ApacheMinaSftpEvent {
private static final long serialVersionUID = 1L;
public SessionClosedEvent(ServerSession session) {
super(session);
}
@Override
public String toString() {
return "SessionClosedEvent [clientAddress=" + getSession().getClientAddress() + "]";
}
}

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@@ -0,0 +1,49 @@
/*
* Copyright 2019 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.integration.sftp.server;
import org.apache.sshd.server.session.ServerSession;
/**
* An event emitted when a session is opened.
*
* @author Gary Russell
* @since 5.2
*
*/
public class SessionOpenedEvent extends ApacheMinaSftpEvent {
private static final long serialVersionUID = 1L;
private final int clientVersion;
public SessionOpenedEvent(ServerSession session, int version) {
super(session);
this.clientVersion = version;
}
public int getClientVersion() {
return this.clientVersion;
}
@Override
public String toString() {
return "SessionOpenedEvent [clientVersion=" + this.clientVersion + ", clientAddress="
+ getSession().getClientAddress() + "]";
}
}

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@@ -0,0 +1,4 @@
/**
* Provides classes related to SFTP servers.
*/
package org.springframework.integration.sftp.server;

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@@ -29,6 +29,7 @@ import org.junit.BeforeClass;
import org.springframework.integration.file.remote.RemoteFileTestSupport;
import org.springframework.integration.file.remote.session.CachingSessionFactory;
import org.springframework.integration.file.remote.session.SessionFactory;
import org.springframework.integration.sftp.server.ApacheMinaSftpEventListener;
import org.springframework.integration.sftp.session.DefaultSftpSessionFactory;
import com.jcraft.jsch.ChannelSftp.LsEntry;
@@ -46,6 +47,8 @@ public class SftpTestSupport extends RemoteFileTestSupport {
private static SshServer server;
private static ApacheMinaSftpEventListener eventListener = new ApacheMinaSftpEventListener();
@Override
public String getTargetLocalDirectoryName() {
return targetLocalDirectory.getAbsolutePath() + File.separator;
@@ -62,7 +65,12 @@ public class SftpTestSupport extends RemoteFileTestSupport {
server.setPasswordAuthenticator((username, password, session) -> true);
server.setPort(0);
server.setKeyPairProvider(new SimpleGeneratorHostKeyProvider(new File("hostkey.ser").toPath()));
server.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
SftpSubsystemFactory sftpFactory = new SftpSubsystemFactory();
eventListener.setApplicationEventPublisher((ev) -> {
// no-op
});
sftpFactory.addSftpEventListener(eventListener);
server.setSubsystemFactories(Collections.singletonList(sftpFactory));
server.setFileSystemFactory(new VirtualFileSystemFactory(remoteTemporaryFolder.getRoot().toPath()));
server.start();
port = server.getPort();
@@ -78,6 +86,10 @@ public class SftpTestSupport extends RemoteFileTestSupport {
return new CachingSessionFactory<>(factory);
}
public static ApacheMinaSftpEventListener eventListener() {
return eventListener;
}
@AfterClass
public static void stopServer() throws Exception {
server.stop();

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@@ -27,6 +27,7 @@ import java.io.File;
import java.io.IOException;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executors;
@@ -40,17 +41,28 @@ import org.junit.runner.RunWith;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.event.inbound.ApplicationEventListeningMessageProducer;
import org.springframework.integration.file.FileHeaders;
import org.springframework.integration.file.remote.MessageSessionCallback;
import org.springframework.integration.file.remote.session.CachingSessionFactory;
import org.springframework.integration.file.remote.session.Session;
import org.springframework.integration.file.remote.session.SessionFactory;
import org.springframework.integration.sftp.SftpTestSupport;
import org.springframework.integration.sftp.server.ApacheMinaSftpEvent;
import org.springframework.integration.sftp.server.DirectoryCreatedEvent;
import org.springframework.integration.sftp.server.FileWrittenEvent;
import org.springframework.integration.sftp.server.PathMovedEvent;
import org.springframework.integration.sftp.server.PathRemovedEvent;
import org.springframework.integration.sftp.server.SessionClosedEvent;
import org.springframework.integration.sftp.server.SessionOpenedEvent;
import org.springframework.integration.sftp.session.SftpRemoteFileTemplate;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.MessagingException;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.support.GenericMessage;
@@ -118,6 +130,9 @@ public class SftpServerOutboundTests extends SftpTestSupport {
@Autowired
private Config config;
@Autowired
private SftpRemoteFileTemplate template;
@Before
public void setup() {
this.config.targetLocalDirectoryName = getTargetLocalDirectoryName();
@@ -352,6 +367,9 @@ public class SftpServerOutboundTests extends SftpTestSupport {
@Test
public void testInt3088MPutNotRecursive() throws Exception {
resetSessionCache();
this.config.events.clear();
this.config.latch = new CountDownLatch(1);
Session<?> session = sessionFactory.getSession();
session.close();
session = TestUtils.getPropertyValue(session, "targetSession", Session.class);
@@ -373,8 +391,86 @@ public class SftpServerOutboundTests extends SftpTestSupport {
.isIn("sftpTarget/localSource1.txt", "sftpTarget/localSource2.txt");
assertThat(out.getPayload().get(1))
.isIn("sftpTarget/localSource1.txt", "sftpTarget/localSource2.txt");
verify(channel).chmod(384, "sftpTarget/localSource1.txt"); // 384 = 600 octal
verify(channel).chmod(384, "sftpTarget/localSource2.txt");
verify(channel).chmod(0600, "sftpTarget/localSource1.txt");
verify(channel).chmod(0600, "sftpTarget/localSource2.txt");
resetSessionCache();
assertThat(this.config.latch.await(10, TimeUnit.SECONDS)).isTrue();
assertThat(this.config.events).hasSize(6);
assertThat(this.config.events.get(0)).isInstanceOf(SessionOpenedEvent.class);
assertThat(this.config.events.get(1)).isInstanceOf(FileWrittenEvent.class);
assertThat(((FileWrittenEvent) this.config.events.get(1)).getFile().toString())
.matches("/sftpTarget/localSource(1|2).txt.writing");
assertThat(this.config.events.get(2)).isInstanceOf(PathMovedEvent.class);
assertThat(((PathMovedEvent) this.config.events.get(2)).getSrcPath().toString())
.matches("/sftpTarget/localSource(1|2).txt.writing");
assertThat(((PathMovedEvent) this.config.events.get(2)).getDstPath().toString())
.matches("/sftpTarget/localSource(1|2).txt");
assertThat(this.config.events.get(3)).isInstanceOf(FileWrittenEvent.class);
assertThat(((FileWrittenEvent) this.config.events.get(3)).getFile().toString())
.matches("/sftpTarget/localSource(1|2).txt.writing");
assertThat(this.config.events.get(4)).isInstanceOf(PathMovedEvent.class);
assertThat(((PathMovedEvent) this.config.events.get(4)).getSrcPath().toString())
.matches("/sftpTarget/localSource(1|2).txt.writing");
assertThat(((PathMovedEvent) this.config.events.get(4)).getDstPath().toString())
.matches("/sftpTarget/localSource(1|2).txt");
assertThat(this.config.events.get(5)).isInstanceOf(SessionClosedEvent.class);
this.config.events.clear();
this.config.latch = null;
}
@Test
public void allEvents() throws InterruptedException {
resetSessionCache();
this.config.events.clear();
this.config.latch = new CountDownLatch(1);
this.template.execute(session -> {
assertThat(session.mkdir("/sftpTarget/allEventsDir")).isTrue();
session.write(new ByteArrayInputStream("foo".getBytes()), "/sftpTarget/allEventsDir/file.txt");
session.append(new ByteArrayInputStream("bar".getBytes()), "/sftpTarget/allEventsDir/file.txt");
session.rename("/sftpTarget/allEventsDir/file.txt", "/sftpTarget/allEventsDir/file2.txt");
assertThat(session.remove("/sftpTarget/allEventsDir/file2.txt")).isTrue();
session.rename("/sftpTarget/allEventsDir", "/sftpTarget/allEventsDir2");
session.rmdir("/sftpTarget/allEventsDir2");
return null;
});
resetSessionCache();
assertThat(this.config.latch.await(10, TimeUnit.SECONDS)).isTrue();
assertThat(this.config.events).hasSize(9);
assertThat(this.config.events.get(0)).isInstanceOf(SessionOpenedEvent.class);
assertThat(this.config.events.get(1)).isInstanceOf(DirectoryCreatedEvent.class);
DirectoryCreatedEvent dce = (DirectoryCreatedEvent) this.config.events.get(1);
assertThat(dce.getPath().toString()).isEqualTo("/sftpTarget/allEventsDir");
assertThat(this.config.events.get(2)).isInstanceOf(FileWrittenEvent.class);
FileWrittenEvent fwe = (FileWrittenEvent) this.config.events.get(2);
assertThat(fwe.getFile().toString()).isEqualTo("/sftpTarget/allEventsDir/file.txt");
assertThat(fwe.getDataLen()).isEqualTo(3);
assertThat(this.config.events.get(3)).isInstanceOf(FileWrittenEvent.class);
fwe = (FileWrittenEvent) this.config.events.get(3);
assertThat(fwe.getFile().toString()).isEqualTo("/sftpTarget/allEventsDir/file.txt");
assertThat(fwe.getDataLen()).isEqualTo(3);
assertThat(this.config.events.get(4)).isInstanceOf(PathMovedEvent.class);
PathMovedEvent pme = (PathMovedEvent) this.config.events.get(4);
assertThat(pme.getSrcPath().toString()).isEqualTo("/sftpTarget/allEventsDir/file.txt");
assertThat(pme.getDstPath().toString()).isEqualTo("/sftpTarget/allEventsDir/file2.txt");
assertThat(this.config.events.get(5)).isInstanceOf(PathRemovedEvent.class);
PathRemovedEvent pre = (PathRemovedEvent) this.config.events.get(5);
assertThat(pre.getPath().toString()).isEqualTo("/sftpTarget/allEventsDir/file2.txt");
assertThat(pre.isDirectory()).isFalse();
assertThat(this.config.events.get(6)).isInstanceOf(PathMovedEvent.class);
pme = (PathMovedEvent) this.config.events.get(6);
assertThat(pme.getSrcPath().toString()).isEqualTo("/sftpTarget/allEventsDir");
assertThat(pme.getDstPath().toString()).isEqualTo("/sftpTarget/allEventsDir2");
assertThat(this.config.events.get(7)).isInstanceOf(PathRemovedEvent.class);
pre = (PathRemovedEvent) this.config.events.get(7);
assertThat(pre.getPath().toString()).isEqualTo("/sftpTarget/allEventsDir2");
assertThat(pre.isDirectory()).isTrue();
assertThat(this.config.events.get(8)).isInstanceOf(SessionClosedEvent.class);
this.config.events.clear();
this.config.latch = null;
}
private void resetSessionCache() {
((CachingSessionFactory<?>) this.sessionFactory).resetCache();
}
@Test
@@ -488,17 +584,49 @@ public class SftpServerOutboundTests extends SftpTestSupport {
public static class Config {
final List<ApacheMinaSftpEvent> events = new ArrayList<>();
private volatile String targetLocalDirectoryName;
private volatile CountDownLatch latch;
@Bean
public SessionFactory<LsEntry> sftpSessionFactory() {
public SessionFactory<LsEntry> sftpSessionFactory(ApplicationContext context) {
SftpServerOutboundTests.eventListener().setApplicationEventPublisher(context);
return SftpServerOutboundTests.sessionFactory();
}
@Bean
public SftpRemoteFileTemplate template(SessionFactory<LsEntry> sf) {
return new SftpRemoteFileTemplate(sf);
}
public String getTargetLocalDirectoryName() {
return this.targetLocalDirectoryName;
}
@Bean
public ApplicationEventListeningMessageProducer events() {
ApplicationEventListeningMessageProducer producer = new ApplicationEventListeningMessageProducer();
producer.setEventTypes(ApacheMinaSftpEvent.class);
producer.setOutputChannel(eventChannel());
return producer;
}
@Bean
public MessageChannel eventChannel() {
return (msg, timeout) -> {
if (this.latch != null) {
if (this.events.size() > 0 || msg.getPayload() instanceof SessionOpenedEvent) {
this.events.add((ApacheMinaSftpEvent) msg.getPayload());
if (msg.getPayload() instanceof SessionClosedEvent) {
this.latch.countDown();
}
}
}
return true;
};
}
}
}