/*
* Copyright 2014-2017 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
*
* 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.
*/
package org.springframework.integration.dsl.test.ftp;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.isOneOf;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import java.io.File;
import java.util.List;
import java.util.regex.Matcher;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import org.apache.commons.net.ftp.FTPFile;
import org.hamcrest.Matchers;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
import org.springframework.boot.autoconfigure.integration.IntegrationAutoConfiguration;
import org.springframework.boot.autoconfigure.jmx.JmxAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.integration.annotation.IntegrationComponentScan;
import org.springframework.integration.annotation.MessagingGateway;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.dsl.IntegrationFlow;
import org.springframework.integration.dsl.IntegrationFlowDefinition;
import org.springframework.integration.dsl.IntegrationFlows;
import org.springframework.integration.dsl.channel.MessageChannels;
import org.springframework.integration.dsl.core.Pollers;
import org.springframework.integration.dsl.ftp.Ftp;
import org.springframework.integration.dsl.ftp.FtpOutboundGatewaySpec;
import org.springframework.integration.file.FileHeaders;
import org.springframework.integration.file.remote.RemoteFileTemplate;
import org.springframework.integration.file.remote.gateway.AbstractRemoteFileOutboundGateway;
import org.springframework.integration.file.support.FileExistsMode;
import org.springframework.integration.ftp.session.DefaultFtpSessionFactory;
import org.springframework.integration.scheduling.PollerMetadata;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Artem Bilan
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
@DirtiesContext
public class FtpTests {
@Autowired
private ControlBusGateway controlBus;
@Autowired
private MBeanServer mBeanServer;
@Autowired
private TestFtpServer ftpServer;
@Autowired
private DefaultFtpSessionFactory ftpSessionFactory;
@Autowired
@Qualifier("ftpInboundResultChannel")
private PollableChannel ftpInboundResultChannel;
@Autowired
@Qualifier("toFtpChannel")
private MessageChannel toFtpChannel;
@Autowired
@Qualifier("ftpMGetFlow.input")
private MessageChannel ftpMgetInputChannel;
@Autowired
@Qualifier("remoteFileOutputChannel")
private PollableChannel remoteFileOutputChannel;
@Before
@After
public void setupRemoteFileServers() {
this.ftpServer.recursiveDelete(this.ftpServer.getTargetLocalDirectory());
this.ftpServer.recursiveDelete(this.ftpServer.getTargetFtpDirectory());
}
@Test
public void testFtpInboundFlow() {
this.controlBus.send("@ftpInboundAdapter.start()");
Message<?> message = this.ftpInboundResultChannel.receive(1000);
assertNotNull(message);
Object payload = message.getPayload();
assertThat(payload, instanceOf(File.class));
File file = (File) payload;
assertThat(file.getName(), isOneOf("FTPSOURCE1.TXT.a", "FTPSOURCE2.TXT.a"));
assertThat(file.getAbsolutePath(), containsString("ftpTest"));
message = this.ftpInboundResultChannel.receive(1000);
assertNotNull(message);
file = (File) message.getPayload();
assertThat(file.getName(), isOneOf("FTPSOURCE1.TXT.a", "FTPSOURCE2.TXT.a"));
assertThat(file.getAbsolutePath(), containsString("ftpTest"));
this.controlBus.send("@ftpInboundAdapter.stop()");
}
@Test
public void testFtpOutboundFlow() {
String fileName = "foo.file";
this.toFtpChannel.send(MessageBuilder.withPayload("foo")
.setHeader(FileHeaders.FILENAME, fileName)
.build());
RemoteFileTemplate<FTPFile> template = new RemoteFileTemplate<>(this.ftpSessionFactory);
FTPFile[] files = template.execute(session ->
session.list(this.ftpServer.getTargetFtpDirectory().getName() + "/" + fileName));
assertEquals(1, files.length);
assertEquals(3, files[0].getSize());
}
@Test
@SuppressWarnings("unchecked")
public void testFtpMgetFlow() {
String dir = "ftpSource/";
this.ftpMgetInputChannel.send(new GenericMessage<>(dir + "*"));
Message<?> result = this.remoteFileOutputChannel.receive(1000);
assertNotNull(result);
List<File> localFiles = (List<File>) result.getPayload();
// should have filtered ftpSource2.txt
assertEquals(2, localFiles.size());
for (File file : localFiles) {
assertThat(file.getPath().replaceAll(Matcher.quoteReplacement(File.separator), "/"),
Matchers.containsString(dir));
}
assertThat(localFiles.get(1).getPath().replaceAll(Matcher.quoteReplacement(File.separator), "/"),
Matchers.containsString(dir + "subFtpSource"));
}
@Test
public void testMBeansForDSL() throws MalformedObjectNameException {
assertFalse(this.mBeanServer.queryMBeans(ObjectName.getInstance("org.springframework.integration:" +
"type=MessageHandler,name=ftpMGetFlow.input,bean=anonymous"), null).isEmpty());
}
@MessagingGateway(defaultRequestChannel = "controlBus.input")
private interface ControlBusGateway {
void send(String command);
}
@Configuration
@Import(TestFtpServer.class)
@ImportAutoConfiguration({JmxAutoConfiguration.class, IntegrationAutoConfiguration.class})
@IntegrationComponentScan
public static class ContextConfiguration {
@Autowired
private TestFtpServer ftpServer;
@Autowired
private DefaultFtpSessionFactory ftpSessionFactory;
@Bean(name = PollerMetadata.DEFAULT_POLLER)
public PollerMetadata poller() {
return Pollers.fixedRate(500).get();
}
@Bean
public IntegrationFlow controlBus() {
return IntegrationFlowDefinition::controlBus;
}
@Bean
public IntegrationFlow ftpInboundFlow() {
return IntegrationFlows
.from(s -> s.ftp(this.ftpSessionFactory)
.preserveTimestamp(true)
.remoteDirectory("ftpSource")
.regexFilter(".*\\.txt$")
.localFilename(f -> f.toUpperCase() + ".a")
.localDirectory(this.ftpServer.getTargetLocalDirectory()),
e -> e.id("ftpInboundAdapter").autoStartup(false))
.channel(MessageChannels.queue("ftpInboundResultChannel"))
.get();
}
@Bean
public IntegrationFlow ftpOutboundFlow() {
return IntegrationFlows.from("toFtpChannel")
.handle(Ftp.outboundAdapter(this.ftpSessionFactory, FileExistsMode.FAIL)
.useTemporaryFileName(false)
.fileNameExpression("headers['" + FileHeaders.FILENAME + "']")
.remoteDirectory(this.ftpServer.getTargetFtpDirectory().getName())
).get();
}
@Bean
public FtpOutboundGatewaySpec ftpOutboundGateway() {
return Ftp.outboundGateway(this.ftpSessionFactory,
AbstractRemoteFileOutboundGateway.Command.MGET, "payload")
.options(AbstractRemoteFileOutboundGateway.Option.RECURSIVE)
.regexFileNameFilter("(subFtpSource|.*1.txt)")
.localDirectoryExpression("@ftpServer.targetLocalDirectoryName + #remoteDirectory")
.localFilenameExpression("#remoteFileName.replaceFirst('ftpSource', 'localTarget')");
}
@Bean
public IntegrationFlow ftpMGetFlow(AbstractRemoteFileOutboundGateway<FTPFile> ftpOutboundGateway) {
return f -> f
.handle(ftpOutboundGateway)
.channel(remoteFileOutputChannel());
}
@Bean
public PollableChannel remoteFileOutputChannel() {
return new QueueChannel();
}
}
}