Easy Integration with Apache Camel and Fuse IDE
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The talk presented by James Strachan (Red Hat) on the 6th of March 2013 at the London JBoss USer Group event. Visit London JBUG on Meetup http://www.meetup.com/JBoss-User-Group/
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Easy Integration with Apache Camel and Fuse IDE
- 1. Implemen(ng Enterprise Integra(on Pa3erns through Apache Camel James Strachan, Red Hat 1 Friday, February 8, 2013
- 2. Your speaker today James Strachan • [email protected] • twi8er: @jstrachan • blog: h8p://macstrac.blogspot.com/ Senior Consul(ng SoFware Engineer at Red Hat • leaders in open source middleware & integra?on • we provide training, consul?ng, support, distribu?ons & tools for open source integra?on soCware Open Source hacker • created the Groovy programming language • created Apache Camel • co-‐founder of – Apache Ac(veMQ, ServiceMix, Geronimo – Scalate • lets not men?on Jelly :) 2 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 3. What are Enterprise Integra?on Pa8erns? 3 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 4. Book by Gregor & Bobby! 4 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 5. A selec?on of some of the pa8erns... 5 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 6. What is Apache Camel? http://camel.apache.org/ 6 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 7. What is Apache Camel? Apache Camel is a Powerful Open Source Integra(on Framework based on known Enterprise Integra(on Pa3erns h3p://camel.apache.org/enterprise-‐integra(on-‐pa3erns.html 7 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 8. Lets look at a pa8ern! 8 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 9. Message Filter 9 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 10. Message Filter : XML <camelContext xmlns="http://camel.apache.org/schema/spring"> <route> <from uri="activemq:topic:Quotes"/> <filter> <xpath>/quote/product = ‘widget’</xpath> <to uri="mqseries:WidgetQuotes"/> </filter> </route> </camelContext> 10 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 11. Message Filter : Spring XML <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd"> <camelContext xmlns="http://camel.apache.org/schema/spring"> <route> <from uri="activemq:topic:Quotes"/> <filter> <xpath>/quote/product = ‘widget’</xpath> <to uri="mqseries:WidgetQuotes"/> </filter> </route> </camelContext> </beans> 11 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 12. Message Filter : XML <camelContext xmlns="http://camel.apache.org/schema/spring"> <route> <from uri="activemq:topic:Quotes"/> <filter> <xpath>/quote/product = ‘widget’</xpath> <to uri="mqseries:WidgetQuotes"/> </filter> </route> </camelContext> 12 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 13. Expressions & Predicates 15 Expression Languages BeanShell Python EL Ruby Groovy Simple JavaScript SpEL JSR 223 SQL OGNL XPath MVEL XQuery PHP 13 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 14. URIs, Endpoints and Components (120+) h8p://camel.apache.org/components.html activemq cxf flatpack jasypt activemq-journal cxfrs freemarker javaspace amqp dataset ftp/ftps/sftp jbi atom db4o gae jcr bean direct hdfs jdbc bean validation ejb hibernate jetty browse esper hl7 jms cache event http jmx cometd exec ibatis jpa crypto file irc jt/400 14 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 15. 120+ components... language properties seda stream ldap quartz servlet string-template mail/imap/pop3 quickfix sip test mina ref smooks timer mock restlet smpp validation msv rmi snmp velocity nagios rnc spring-integration vm netty rng spring-security xmpp nmr rss spring-ws xquery printer scalate sql xslt 15 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 16. Message Filter : XML <camelContext xmlns="http://camel.apache.org/schema/spring"> <route> <from uri="activemq:topic:Quotes"/> <filter> <xpath>/quote/product = ‘widget’</xpath> <to uri="mqseries:WidgetQuotes"/> </filter> </route> </camelContext> 16 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 17. Message Filter : Java from("activemq:topic:Quotes”). filter().xpath("/quote/product = ‘widget’"). to("mqseries:WidgetQuotes"); 17 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 18. Message Filter : Java Complete package com.acme.quotes; import org.apache.camel.builder.RouteBuilder; public class MyRouteBuilder extends RouteBuilder { public void configure() { // forward widget quotes to MQSeries from("activemq:topic:Quotes”). filter().xpath("/quote/product = ‘widget’"). to("mqseries:WidgetQuotes"); } } 18 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 19. Message Filter : Scala "direct:a" when(_.in == "<hello/>") { to("mock:a") } 19 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 20. Create CamelContext in Spring <camelContext xmlns="http://camel.apache.org/schema/spring"> <package>com.acme.quotes</package> </camelContext> 20 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 21. Create CamelContext in Java CamelContext context = new DefaultCamelContext(); context.addRoutes(new MyRouteBuilder()); context.start(); 21 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 22. IDE support Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 23. IDE support (XML) 23 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 24. Recap -‐ core concepts of Camel Enterprise Integra(on Pa3erns Rou(ng Domain Specific Language (DSL) Endpoints & URIs Predicates & Expressions Components (lots of ‘em!) Test Kit and much more ... 24 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 25. Beans 25 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 26. Bean as a Message Translator from("activemq:Incoming”). beanRef("myBeanName”, “someMethod"). to("activemq:Outgoing"); 26 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 27. Bean public class Foo { public String someMethod(String name) { return “Hello “ + name; } } 27 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 28. Binding Beans to Camel Endpoints public class Foo { @Consume(uri="activemq:cheese") public Object onCheese(String name) { ... } } 28 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 29. Binding Method Arguments public class Foo { public Object onCheese( @XPath("/foo/bar") String name, @Header("JMSCorrelationID") String id) { ... } } for more annota(ons see h3p://camel.apache.org/bean-‐integra(on.html 29 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 30. Sending messages to endpoints public class Foo { @Produce(uri="activemq:foo.bar") ProducerTemplate producer; public void doSomething() { if (whatever) { producer.sendBody("<hello>world!</hello>"); } } } 30 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 31. Sending messages to endpoints public interface MyListener { String sayHello(String name); } public class MyBean { @Produce(uri = "activemq:foo") protected MyListener producer; public void doSomething() { // lets send a message String response = producer.sayHello("James"); } } 31 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 32. Fastest way to learn.... Manning top-‐15 year to date (2010) #10 #12 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 33. Fuse IDE: the fastest way to get riding! free eclipse based tool for Apache Camel & Ac(veMQ etc • create projects, edit routes, run stuff, visualise, trace & diagnose h3p://fusesource.com/ 33 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 34. Summary: Camel rocks Ride that Camel • h8p://camel.apache.org/ Download Fuse IDE • h8p://fusesource.com Buy the book! Don’t get the hump! 34 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013
- 35. Any Ques(ons? twi3er: @jstrachan #fusenews h3p://fusesource.com 35 Copyright © 2013 Red Hat, Inc. All rights reserved. Friday, February 8, 2013