Example usage for org.springframework.integration.dsl IntegrationFlows from

Introduction

In this page you can find the example usage for org.springframework.integration.dsl IntegrationFlows from.

Prototype

private static IntegrationFlowBuilder from(MessagingGatewaySupport inboundGateway,
            @Nullable IntegrationFlowBuilder integrationFlowBuilderArg) 

Source Link

Usage

From source file:com.netflix.spring.sample.membership.Membership.java

@Bean
public IntegrationFlow myFlow() {
    return IntegrationFlows.from(this.integerMessageSource(), c -> c.poller(Pollers.fixedRate(100)))
            .channel(this.inputChannel()).filter((Integer p) -> p > 0).transform(Object::toString)
            .channel(MessageChannels.queue("sampleQueue"))
            //            .handle(System.out::println)
            .get();//www .  j a va  2 s  . c  o  m
}

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From source file:org.springframework.cloud.stream.app.ftp.source.FtpSourceConfiguration.java

@Bean
public IntegrationFlow ftpInboundFlow(SessionFactory<FTPFile> ftpSessionFactory, FtpSourceProperties properties,
        FileConsumerProperties fileConsumerProperties) {
    FtpInboundChannelAdapterSpec messageSourceBuilder = Ftp.inboundAdapter(ftpSessionFactory)
            .preserveTimestamp(properties.isPreserveTimestamp()).remoteDirectory(properties.getRemoteDir())
            .remoteFileSeparator(properties.getRemoteFileSeparator()).localDirectory(properties.getLocalDir())
            .autoCreateLocalDirectory(properties.isAutoCreateLocalDir())
            .temporaryFileSuffix(properties.getTmpFileSuffix())
            .deleteRemoteFiles(properties.isDeleteRemoteFiles());

    if (StringUtils.hasText(properties.getFilenamePattern())) {
        messageSourceBuilder.filter(new FtpSimplePatternFileListFilter(properties.getFilenamePattern()));
    } else if (properties.getFilenameRegex() != null) {
        messageSourceBuilder.filter(new FtpRegexPatternFileListFilter(properties.getFilenameRegex()));
    }// w  w w .j a v  a2  s .co  m

    IntegrationFlowBuilder flowBuilder = IntegrationFlows.from(messageSourceBuilder,
            new Consumer<SourcePollingChannelAdapterSpec>() {

                @Override
                public void accept(SourcePollingChannelAdapterSpec sourcePollingChannelAdapterSpec) {
                    sourcePollingChannelAdapterSpec.poller(FtpSourceConfiguration.this.defaultPoller);
                }

            });

    return FileUtils.enhanceFlowForReadingMode(flowBuilder, fileConsumerProperties)
            .channel(this.source.output()).get();
}

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From source file:org.springframework.integration.ftp.dsl.FtpTests.java

@Test
public void testFtpInboundFlow() {
    QueueChannel out = new QueueChannel();
    IntegrationFlow flow = IntegrationFlows.from(
            Ftp.inboundAdapter(sessionFactory()).preserveTimestamp(true).remoteDirectory("ftpSource")
                    .regexFilter(".*\\.txt$").localFilename(f -> f.toUpperCase() + ".a")
                    .localDirectory(getTargetLocalDirectory()),
            e -> e.id("ftpInboundAdapter").poller(Pollers.fixedDelay(100))).channel(out).get();
    IntegrationFlowRegistration registration = this.flowContext.registration(flow).register();
    Message<?> message = out.receive(10_000);
    assertNotNull(message);/*from  www . j  a v  a2 s  .c om*/
    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("localTarget"));

    message = out.receive(10_000);
    assertNotNull(message);
    file = (File) message.getPayload();
    assertThat(file.getName(), isOneOf(" FTPSOURCE1.TXT.a", "FTPSOURCE2.TXT.a"));
    assertThat(file.getAbsolutePath(), containsString("localTarget"));

    assertNull(out.receive(10));

    File remoteFile = new File(this.sourceRemoteDirectory, " " + prefix() + "Source1.txt");
    remoteFile.setLastModified(System.currentTimeMillis() - 1000 * 60 * 60 * 24);

    message = out.receive(10_000);
    assertNotNull(message);
    payload = message.getPayload();
    assertThat(payload, instanceOf(File.class));
    file = (File) payload;
    assertEquals(" FTPSOURCE1.TXT.a", file.getName());

    registration.destroy();
}

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From source file:org.springframework.integration.ftp.dsl.FtpTests.java

@Test
public void testFtpInboundStreamFlow() throws Exception {
    QueueChannel out = new QueueChannel();
    StandardIntegrationFlow flow = IntegrationFlows.from(
            Ftp.inboundStreamingAdapter(new FtpRemoteFileTemplate(sessionFactory()))
                    .remoteDirectory("ftpSource").regexFilter(".*\\.txt$"),
            e -> e.id("ftpInboundAdapter").poller(Pollers.fixedDelay(100))).channel(out).get();
    IntegrationFlowRegistration registration = this.flowContext.registration(flow).register();
    Message<?> message = out.receive(10_000);
    assertNotNull(message);//from w w w.ja v a  2s .c om
    assertThat(message.getPayload(), instanceOf(InputStream.class));
    assertThat(message.getHeaders().get(FileHeaders.REMOTE_FILE), isOneOf(" ftpSource1.txt", "ftpSource2.txt"));
    new IntegrationMessageHeaderAccessor(message).getCloseableResource().close();

    message = out.receive(10_000);
    assertNotNull(message);
    assertThat(message.getPayload(), instanceOf(InputStream.class));
    assertThat(message.getHeaders().get(FileHeaders.REMOTE_FILE), isOneOf(" ftpSource1.txt", "ftpSource2.txt"));
    new IntegrationMessageHeaderAccessor(message).getCloseableResource().close();

    registration.destroy();
}

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From source file:org.springframework.integration.samples.filesplit.Application.java

/**
 * Poll for files, add an error channel, split into lines route the start/end markers
 * to {@link #markers()} and the lines to {@link #lines}.
 *
 * @return the flow./*  w  ww.  j  a  v  a2 s.  c o  m*/
 */
@Bean
public IntegrationFlow fromFile() {
    return IntegrationFlows
            .from(Files.inboundAdapter(new File("/tmp/in")).preventDuplicates(false).patternFilter("*.txt"),
                    e -> e.poller(Pollers.fixedDelay(5000).errorChannel("tfrErrors.input"))
                            .id("fileInboundChannelAdapter"))
            .handle(Files.splitter(true, true))
            .<Object, Class<?>>route(Object::getClass,
                    m -> m.channelMapping(FileSplitter.FileMarker.class, "markers.input")
                            .channelMapping(String.class, "lines.input"))
            .get();
}

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From source file:org.springframework.integration.samples.mqtt.Application.java

@Bean
public IntegrationFlow mqttOutFlow() {
    return IntegrationFlows
            .from(CharacterStreamReadingMessageSource.stdin(), e -> e.poller(Pollers.fixedDelay(1000)))
            .transform(p -> p + " sent to MQTT").handle(mqttOutbound()).get();
}

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