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Getting Started with Apache Camel at DevNation 2014
The document provides an introduction to Apache Camel, an integration framework, detailing its features, deployment options, and example code. It also highlights the speaker's experience with Apache Camel and offers resources for further learning. Key aspects include enterprise integration patterns, various DSL options, and community support mechanisms.
Getting Started with Apache Camel at DevNation 2014
- 1. Getting started with ApacheCamel Claus Ibsen @davsclaus
- 2. 2 Agenda ● What isApache Camel? ● A little Example ● Riding Camel ● What's in the Camel box? ● Deploying Camel ● Creating new Camel Projects ● What's not in the Camel box? ● More Information
- 3. 3 Your Speaker ● PrincipalSoftware Engineer at Red Hat ● Apache Camel ● 6 years as committer ● Author of Camel in Action book ● Contact ● EMail: cibsen@redhat.com ● Twitter: @davsclaus ● Blog: http://davsclaus.com ● Linkedin: http://www.linkedin.com/in/davsclaus
- 4. 4 My Camel Story ●Starts 7 years ago ● Consultant working for Silverbullet ● POC in 2007/2008 ● Looking for ● open source ● Integration framework ● As replacement for aging Integration Platform ● Apache Camel was one of the candidates
- 5. 5 My Camel Story ●Apache Camel 1.2 had missing parts ● .. so I had to add those missing parts
- 6. 6 My Camel Story ●.. to turn Camel into the lovely Camel it could be back. ● It was a success as our 1st Apache Camel 1.x integration went into production end of 2008.
- 7. 7 Agenda ● What isApache Camel? ● A little Example ● Riding Camel ● What's in the Camel box? ● Deploying Camel ● Creating new Camel Projects ● What's not in the Camel box? ● More Information
- 8. 8 What is ApacheCamel? ● Quote from the website
- 9. 9 What is ApacheCamel? ● Why do we need integration? ● Critical for your business to integrate ● Why Integration Framework? ● Framework do the heavy lifting ● You can focus on business problem ● Not "reinventing the wheel"
- 10. 10 What is ApacheCamel? ● What is Enterprise Integration Patterns? It's a book
- 11. 11 What is ApacheCamel? ● Enterprise Integration Patterns http://camel.apache.org/eip
- 12. 12 What is ApacheCamel? ● EIP - Content Based Router
- 13. 13 What is ApacheCamel? from newOrder
- 14. 14 What is ApacheCamel? from newOrder choice
- 15. 15 What is ApacheCamel? from newOrder choice when isWidget to widget
- 16. 16 What is ApacheCamel? from newOrder choice when isWidget to widget otherwise to gadget
- 17. 17 What is ApacheCamel? from(newOrder) choice when(isWidget) to(widget) otherwise to(gadget)
- 18. 18 What is ApacheCamel? from(newOrder) .choice() .when(isWidget).to(widget) .otherwise().to(gadget);
- 19. 19 What is ApacheCamel? Endpoint newOrder = endpoint("activemq:queue:newOrder"); from(newOrder) .choice() .when(isWidget).to(widget) .otherwise().to(gadget);
- 20. 20 What is ApacheCamel? Endpoint newOrder = endpoint("activemq:queue:newOrder"); Predicate isWidget = xpath("/order/product = 'widget'"); from(newOrder) .choice() .when(isWidget).to(widget) .otherwise().to(gadget);
- 21. 21 What is ApacheCamel? Endpoint newOrder = endpoint("activemq:queue:newOrder"); Predicate isWidget = xpath("/order/product = 'widget'"); Endpoint widget = endpoint("activemq:queue:widget"); Endpoint gadget = endpoint("activemq:queue:gadget"); from(newOrder) .choice() .when(isWidget).to(widget) .otherwise().to(gadget);
- 22. 22 What is ApacheCamel? ● Java Code public void configure() throws Exception { Endpoint newOrder = endpoint("activemq:queue:newOrder"); Predicate isWidget = xpath("/order/product = 'widget'"); Endpoint widget = endpoint("activemq:queue:widget"); Endpoint gadget = endpoint("activemq:queue:gadget"); from(newOrder) .choice() .when(isWidget).to(widget) .otherwise().to(gadget) .end(); }
- 23. 23 What is ApacheCamel? ● Java Code import org.apache.camel.Endpoint; import org.apache.camel.Predicate; import org.apache.camel.builder.RouteBuilder; public class MyRoute extends RouteBuilder { public void configure() throws Exception { Endpoint newOrder = endpoint("activemq:queue:newOrder"); Predicate isWidget = xpath("/order/product = 'widget'"); Endpoint widget = endpoint("activemq:queue:widget"); Endpoint gadget = endpoint("activemq:queue:gadget"); from(newOrder) .choice() .when(isWidget).to(widget) .otherwise().to(gadget) .end(); } }
- 24. 24 What is ApacheCamel? ● Camel Java DSL import org.apache.camel.builder.RouteBuilder; public class MyRoute extends RouteBuilder { public void configure() throws Exception { from("activemq:queue:newOrder") .choice() .when(xpath("/order/product = 'widget'")) .to("activemq:queue:widget") .otherwise() .to("activemq:queue:gadget") .end(); } }
- 25. 25 What is ApacheCamel? ● Camel XML DSL <route> <from uri="activemq:queue:newOrder"/> <choice> <when> <xpath>/order/product = 'widget'</xpath> <to uri="activemq:queue:widget"/> </when> <otherwise> <to uri="activemq:queue:gadget"/> </otherwise> </choice> </route>
- 26. 26 What is ApacheCamel? ● Endpoint as URIs <route> <from uri="file:inbox/orders"/> <choice> <when> <xpath>/order/product = 'widget'</xpath> <to uri="activemq:queue:widget"/> </when> <otherwise> <to uri="activemq:queue:gadget"/> </otherwise> </choice> </route> use file instead
- 27. 27 What is ApacheCamel? ● Endpoint as URIs <route> <from uri="file:inbox/orders?delete=true"/> <choice> <when> <xpath>/order/product = 'widget'</xpath> <to uri="activemq:queue:widget"/> </when> <otherwise> <to uri="activemq:queue:gadget"/> </otherwise> </choice> </route> parameters
- 28. 28 Standard Java orXML ● Java DSL is just Java
- 29. 29 Standard Java orXML ● XML DSL is just XML ● … with XSD schema for validation/tooling
- 30. 30 What is ApacheCamel? ● Camel's Architecture
- 31. 31 What is ApacheCamel? 150+ Components
- 32. 32 What is ApacheCamel? 150+ Components
- 33. 33 What is ApacheCamel? ● Summary ● Integration Framework ● Enterprise Integration Patterns (EIP) ● Routing (using DSL) ● Easy Configuration (endpoint as uri's) ● Just Java or XML code ● No Container Dependency ● A lot of components
- 34. 34 Agenda ● What isApache Camel? ● A little Example ● Riding Camel ● What's in the Camel box? ● Deploying Camel ● Creating new Camel Projects ● What's not in the Camel box? ● More Information
- 35. 35 A Little Example ●File Copier Example
- 36. 36 A Little Example ●File Copier Example
- 37. 37 A Little Example ●File Copier Example
- 38. 38 A Little Example ●File Copier Example
- 39. 39 A Little Example ●File Copier Example
- 40. 40 Agenda ● What isApache Camel? ● A little Example ● Riding Camel ● What's in the Camel box? ● Deploying Camel ● Creating new Camel Projects ● What's not in the Camel box? ● More Information
- 41. 41 Riding Camel ● DownloadingApache Camel ● zip/tarball (approx 8mb) http://camel.apache.org
- 42. 42 Riding Camel ● UsingCommand Shell ● Requires: Apache Maven ● From Eclipse
- 43. 43 Riding Camel ● ConsoleExample ● cd examples/camel-example-console ● mvn compile exec:java
- 44. 44 Riding Camel ● TwitterExample ● cd examples/camel-example-twitter-websocket ● mvn compile exec:java http://localhost:9090/index.html
- 45. 45 Riding Camel ● Moreexamples ... ... and further details at website. http://camel.apache.org/examples
- 46. 46 Agenda ● What isApache Camel? ● A little Example ● Riding Camel ● What's in the box? ● Deploying Camel ● Creating new Camel Projects ● What's not in the Camel box? ● More Information
- 47. 47 What's in thebox?
- 48. 48 What's in thebox? ● Enterprise Integration Patterns http://camel.apache.org/eip
- 49. 49 What's in thebox? ● Splitter EIP
- 50. 50 What's in thebox? 150+ Components
- 51. 51 What's in thebox? 19 Data Formats
- 52. 52 What's in thebox? 15 Expression Languages
- 53. 53 What's in thebox? 4 DSL in multiple languages ● Java DSL ● XML DSL (Spring and OSGi Blueprint) ● Groovy DSL ● Scala DSL
- 54. 54 What's in thebox? Test Kit ● camel-test camel-test-spring ● camel-test-blueprint camel-testng
- 55. 55 What's in thebox? Management ● JMX ● REST (w/ Jolokia)
- 56. 56 Agenda ● What isApache Camel? ● A little Example ● Riding Camel ● What's in the Camel box? ● Deploying Camel ● Creating new Camel Projects ● What's not in the Camel box? ● More Information
- 57. 57 Deploying Camel ● DeploymentStrategy ● No Container Dependency ● Lightweight & Embeddable ● Deployment Options ● Standalone ● WAR ● Spring ● JEE ● OSGi ● Cloud Known Containers Apache ActiveMQ Apache Karaf Apache ServiceMix Apache Tomcat Fabric8 Glassfish JBoss AS / Wildfly JBoss Fuse JBoss Fuse Service Works Jetty WebLogic WebSphere Known Clouds Amazon EC2 Google App Engine OpenStack OpenShift … and many more
- 58. 58 Camel as aClient ● Java Client Application (no routes) ● Example ● Upload a file to a FTP server
- 59. 59 Agenda ● What isApache Camel? ● A little Example ● Riding Camel ● What's in the Camel box? ● Deploying Camel ● Creating new Camel Projects ● What's not in the Camel box? ● More Information
- 60. 60 Creating new CamelProjects ● Using Command Shell ● .. or from Eclipse
- 61. 61 Creating new CamelProjects ● Importing into Eclipse Existing Maven Project
- 62. 62 Creating new CamelProjects ● Maven Archetypes camel-archetype-activemq camel-archetype-java camel-archetype-blueprint camel-archetype-scala camel-archetype-component camel-archetype-spring camel-archetype-dataformat camel-archetype-spring-dm camel-archetype-groovy camel-archetype-web
- 63. 63 Creating new CamelProjects ● camel-archetype-spring mvn install mvn camel:run mvn io.hawt:hawtio-maven-plugin:1.3.1:spring
- 64. 64 Agenda ● What isApache Camel? ● A little Example ● Riding Camel ● What's in the Camel box? ● Deploying Camel ● Creating new Camel Projects ● What's not in the Camel box? ● More Information
- 65. 65 What's not inthe Camel box? ● 3rd party Apache Camel software ● Commercial Support ● http://camel.apache.org/commercial-camel-offerings.html ● User Stories ● http://camel.apache.org/user-stories.html ● External Components ● http://camel.apache.org/components.html (bottom) ● Apache Camel Extra ● https://code.google.com/a/apache-extras.org/p/camel-extra
- 66. 66 What's not inthe Camel box? Tooling – Eclipse Plugin – Fuse IDE Free community and Red Hat supported versions at: http://tools.jboss.org/downloads/
- 67. 67 What's not inthe Camel box? Tooling – Web Console - hawtio http://hawt.io
- 68. 68 What's not inthe Camel box? ● Integration Platform - fabric8 http://fabric8.io
- 69. 69 Agenda ● What isApache Camel? ● A little Example ● Riding Camel ● What's in the Camel box? ● Deploying Camel ● Creating new Camel Projects ● What's not in the Camel box? ● More Information
- 70. 70 Where do Iget more information? ● Best Article covering what Apache Camel is ● http://java.dzone.com/articles/open-source-integration- apache Link to article from “Getting Started”
- 71. 71 Where do Iget more information? ● Try Camel Examples ● http://camel.apache.org/examples.html ● Read other blogs and articles ● http://camel.apache.org/articles.html ● Use the “search box” on the Camel front page
- 72. 72 Where do Iget more information? ● Use the mailing list / forum ● http://camel.apache.org/mailing-lists.html ● Use stackoverflow ● http://stackoverflow.com/questions/tagged/apache-camel ● Use IRC chat ● http://camel.apache.org/irc-room.html
- 73. 73 Where do Iget more information? ● Buy the Camel in Action book http://manning.com/ibsen/ Use code ... camel40 … for 40% discount
- 74. 74 Where do Iget more information? ● .. and/or any of the other Camel books in the market http://camel.apache.org/books
- 75. 75 Any Questions ? ●Contact ● EMail: cibsen@redhat.com / claus.ibsen@gmail.com ● Twitter: @davsclaus ● Blog: http://davsclaus.com ● Linkedin: http://www.linkedin.com/in/davsclaus