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Streamline Integration Starter and add Java DSL to it

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This commit streamlines the Integration Starter by removing the file
http, ip, and stream modules as they are not always used by a majority
of apps that use Spring Integration and can also pull in other, unwanted
dependencies.

Additionally, a dependency on spring-integration-java-dsl has been
added. This makes it easy for users to configure Spring Integration
using Java configuration (the recommended approach), rather than via
XML. The Integration sample has been updated to use the DSL. Further
improvements could be made once the sample is using Java 8.

Closes gh-5528
pull/5727/head
Andy Wilkinson 9 years ago
parent e4324a5c77
commit c068285586
8 changed files with 79 additions and 48 deletions
Show Stats Download Patch File Download Diff File

6
spring-boot-dependencies/pom.xml
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@ -147,6 +147,7 @@
<spring-data-releasetrain.version>Hopper-SR1</spring-data-releasetrain.version>
<spring-hateoas.version>0.19.0.RELEASE</spring-hateoas.version>
<spring-integration.version>4.3.0.M1</spring-integration.version>
<spring-integration-java-dsl.version>1.1.2.RELEASE</spring-integration-java-dsl.version>
<spring-loaded.version>1.2.5.RELEASE</spring-loaded.version>
<spring-mobile.version>1.1.5.RELEASE</spring-mobile.version>
<spring-plugin.version>1.2.0.RELEASE</spring-plugin.version>
@ -2064,6 +2065,11 @@
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-java-dsl</artifactId>
<version>${spring-integration-java-dsl.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.mobile</groupId>
<artifactId>spring-mobile-device</artifactId>

4
spring-boot-samples/spring-boot-sample-integration/pom.xml
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@ -27,6 +27,10 @@
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-file</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-jmx</artifactId>

14
spring-boot-samples/spring-boot-sample-integration/src/main/java/sample/integration/HelloWorldService.java
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@ -1,5 +1,5 @@
/*
* Copyright 2012-2013 the original author or authors.
* Copyright 2012-2016 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.
@ -16,14 +16,16 @@
package sample.integration;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
@Component
@Service
public class HelloWorldService {
@Autowired
private ServiceProperties configuration;
private final ServiceProperties configuration;
public HelloWorldService(ServiceProperties configuration) {
this.configuration = configuration;
}
public String getHelloMessage(String name) {
return this.configuration.getGreeting() + " " + name;

10
spring-boot-samples/spring-boot-sample-integration/src/main/java/sample/integration/SampleEndpoint.java
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@ -1,5 +1,5 @@
/*
* Copyright 2012-2013 the original author or authors.
* Copyright 2012-2016 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.
@ -19,7 +19,6 @@ package sample.integration;
import java.io.File;
import java.io.FileInputStream;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.integration.annotation.MessageEndpoint;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.util.StreamUtils;
@ -27,8 +26,11 @@ import org.springframework.util.StreamUtils;
@MessageEndpoint
public class SampleEndpoint {
@Autowired
private HelloWorldService helloWorldService;
private final HelloWorldService helloWorldService;
public SampleEndpoint(HelloWorldService helloWorldService) {
this.helloWorldService = helloWorldService;
}
@ServiceActivator
public String hello(File input) throws Exception {

57
spring-boot-samples/spring-boot-sample-integration/src/main/java/sample/integration/SampleIntegrationApplication.java
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@ -1,5 +1,5 @@
/*
* Copyright 2012-2013 the original author or authors.
* Copyright 2012-2016 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.
@ -16,18 +16,69 @@
package sample.integration;
import java.io.File;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.ImportResource;
import org.springframework.context.annotation.Bean;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.dsl.IntegrationFlow;
import org.springframework.integration.dsl.IntegrationFlows;
import org.springframework.integration.dsl.SourcePollingChannelAdapterSpec;
import org.springframework.integration.dsl.core.Pollers;
import org.springframework.integration.dsl.support.Consumer;
import org.springframework.integration.file.FileReadingMessageSource;
import org.springframework.integration.file.FileWritingMessageHandler;
@SpringBootApplication
@EnableConfigurationProperties(ServiceProperties.class)
@ImportResource("integration-context.xml")
public class SampleIntegrationApplication {
@Bean
public FileReadingMessageSource fileReader() {
FileReadingMessageSource reader = new FileReadingMessageSource();
reader.setDirectory(new File("target/input"));
return reader;
}
@Bean
public DirectChannel inputChannel() {
return new DirectChannel();
}
@Bean
public DirectChannel outputChannel() {
return new DirectChannel();
}
@Bean
public FileWritingMessageHandler fileWriter() {
FileWritingMessageHandler writer = new FileWritingMessageHandler(
new File("target/output"));
writer.setExpectReply(false);
return writer;
}
@Bean
public IntegrationFlow integrationFlow(SampleEndpoint endpoint) {
return IntegrationFlows.from(fileReader(), new FixedRatePoller())
.channel(inputChannel()).handle(endpoint).channel(outputChannel())
.handle(fileWriter()).get();
}
public static void main(String[] args) throws Exception {
SpringApplication.run(SampleIntegrationApplication.class, args);
}
private static class FixedRatePoller
implements Consumer<SourcePollingChannelAdapterSpec> {
@Override
public void accept(SourcePollingChannelAdapterSpec spec) {
spec.poller(Pollers.fixedRate(500));
}
}
}

2
spring-boot-samples/spring-boot-sample-integration/src/main/resources/application.properties
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@ -1,4 +1,2 @@
logging.file: /tmp/logs/app.log
logging.level.org.springframework.integration.file: DEBUG
service.greeting: Hello
debug: true

20
spring-boot-samples/spring-boot-sample-integration/src/main/resources/integration-context.xml
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@ -1,20 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:int="http://www.springframework.org/schema/integration"
xmlns:int-file="http://www.springframework.org/schema/integration/file"
xsi:schemaLocation="http://www.springframework.org/schema/integration http://www.springframework.org/schema/integration/spring-integration-4.3.xsd
http://www.springframework.org/schema/integration/file http://www.springframework.org/schema/integration/file/spring-integration-file-4.3.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
<int-file:inbound-channel-adapter channel="input" directory="target/input" filename-pattern="*">
<int:poller fixed-rate="500"/>
</int-file:inbound-channel-adapter>
<int:service-activator input-channel="input" ref="sampleEndpoint" output-channel="output"/>
<int:channel id="output"/>
<int-file:outbound-channel-adapter channel="output" directory="target/output"/>
</beans>

14
spring-boot-starters/spring-boot-starter-integration/pom.xml
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@ -32,19 +32,7 @@
</dependency>
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-file</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-http</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-ip</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-stream</artifactId>
<artifactId>spring-integration-java-dsl</artifactId>
</dependency>
</dependencies>
</project>

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