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Cocoon OSGi CocoonGT2007

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Daniel Fagerstrom

Talk given at CocoonGT2007.

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Hot Deployable Cocoon Blocks with OSGi Daniel Fagerström [email_address]
Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Deja vú? ,[object Object],[object Object],[object Object]
Modularization in 2.2 ,[object Object],[object Object],[object Object],[object Object],[object Object]
How?
OSGi ,[object Object],[object Object],[object Object],[object Object]
What is a block? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is a Block? What is a Block? Classes,resources Components Sitemap Export packages Import packages Registered services Used services
Block Structure myBlock/ META-INF/ manifest.mf # bundle manifest cocoon/ spring/ components.xml # spring components spring/ osgi-services.xml # spring-osgi – exports & imports org/ apache/ cocoon/ ... # classes COB-INF/ sitemap.xmap ... # resources
Component Wiring ,[object Object],[object Object],[object Object]
Spring-OSGi vs. Declarative Services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Exporting a Bean <!-- cocoon-xml-impl --> <bean name=&quot; org.apache.cocoon.core.xml.SAXParser &quot; class=&quot;org.apache.cocoon.core.xml.impl.JaxpSAXParser&quot; scope=&quot;singleton&quot;> <property name=&quot;validate&quot; value=&quot;false&quot;/> </bean> <osgi:service ref=&quot; org.apache.cocoon.core.xml.SAXParser &quot; interface=&quot; org.apache.cocoon.core.xml.SAXParser &quot;/>
Importing a Bean <!-- cocoon-pipeline-components --> <osgi:reference id=&quot; org.apache.cocoon.core.xml.SAXParser &quot; interface=&quot; org.apache.cocoon.core.xml.SAXParser &quot;/> <bean name=&quot;org.apache.cocoon.generation.Generator/file&quot; class=&quot;org.apache.cocoon.generation.FileGenerator&quot; scope=&quot;prototype&quot;> <property name=&quot;parser&quot; ref=&quot; org.apache.cocoon.core.xml.SAXParser &quot;/> </bean>
Bean Map ,[object Object]
Bean Map <!-- cocoon-expression-language-impl --> <osgi:service ref=&quot; org.apache.cocoon.el.ExpressionCompiler/js &quot; interface=&quot; org.apache.cocoon.el.ExpressionCompiler &quot;/> <osgi:service ref=&quot; org.apache.cocoon.el.ExpressionCompiler/jexl &quot; interface=&quot; org.apache.cocoon.el.ExpressionCompiler &quot;/> <osgi:service ref=&quot; org.apache.cocoon.el.ExpressionCompiler/jxpath &quot; interface=&quot; org.apache.cocoon.el.ExpressionCompiler &quot;/> <osgi:service ref=&quot; org.apache.cocoon.el.ExpressionCompiler/default &quot; interface=&quot; org.apache.cocoon.el.ExpressionCompiler &quot;/>
Bean Map <!-- cocoon-expression-language-impl --> <bean id=&quot; org.apache.cocoon.el.ExpressionFactory &quot; class=&quot;org.apache.cocoon.el.impl.DefaultExpressionFactory&quot;> <property name=&quot;expressionCompilers&quot;> <cosgi:map interface=&quot; org.apache.cocoon.el.ExpressionCompiler &quot;/> </property> </bean> <osgi:service ref=&quot; org.apache.cocoon.el.ExpressionFactory &quot; interface=&quot;org.apache.cocoon.el.ExpressionFactory&quot;/>
Service Events ,[object Object]
Service Events <!-- cocoon-servlet-service-demo1 --> <osgi:service ref=&quot;org.apache.cocoon.servletservice.demo1.servlet&quot; interface=&quot; javax.servlet.Servlet &quot;> <osgi:service-properties> <prop key=&quot;mountPath&quot;>/test1</prop> </osgi:service-properties> </osgi:service> <!-- cocoon-servlet-service-demo2 --> <osgi:service ref=&quot;org.apache.cocoon.servletservice.demo2.servlet&quot; interface=&quot; javax.servlet.Servlet &quot;> <osgi:service-properties> <prop key=&quot;mountPath&quot;>/test2</prop> </osgi:service-properties> </osgi:service>
Service Events <!-- cocoon-servlet-service-impl --> <osgi:reference id=&quot; httpService &quot; interface=&quot;org.osgi.service.http.HttpService&quot;/> <osgi:collection id=&quot;servletService&quot; interface=&quot; javax.servlet.Servlet &quot;> <osgi:listener bind-method=&quot; setServlet &quot; unbind-method=&quot; unsetServlet &quot; ref=&quot; servletListener &quot;/> </osgi:collection> <bean id=&quot; servletListener &quot; class=&quot;org.apache.cocoon.servletservice.osgi.Activator&quot;> <property name=&quot;httpService&quot; ref=&quot; httpService &quot;/> </bean>
Tunnelling a Prototype ,[object Object],[object Object]
Tunnelling a Prototype <!-- cocoon-pipeline-components --> <bean name=&quot; org.apache.cocoon.generation.Generator/file &quot; class=&quot;org.apache.cocoon.generation.FileGenerator&quot; scope=&quot;prototype&quot; > <property name=&quot;parser&quot; ref=&quot;org.apache.cocoon.core.xml.SAXParser&quot;/> </bean> <cosgi:service ref=&quot; org.apache.cocoon.generation.Generator/file &quot; interface=&quot; org.apache.cocoon.generation.Generator &quot; factory-export=&quot;true&quot; />
Tunnelling a Prototype <!-- cocoon-core-main-sample --> <cosgi:reference name=&quot; org.apache.cocoon.generation.Generator/file &quot; interface=&quot; org.apache.cocoon.generation.Generator &quot; factory-export=&quot;true&quot; />
Service Manager? ,[object Object],[object Object],[object Object],[object Object]
Cocoon-OSGi Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cocoon-OSGi Architecture Blocks /editor / Http Service Dispatcher
Deployment architecture Cocoon platform Blocks Blocks repository (Maven 2) Blocks discovery (OBR) Deployment service
When? ,[object Object],[object Object],[object Object],[object Object]
Conclusion ,[object Object],[object Object],[object Object]

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Cocoon OSGi CocoonGT2007

  • 1. Hot Deployable Cocoon Blocks with OSGi Daniel Fagerström [email_address]
  • 2.
  • 3.
  • 4.
  • 5.
  • 7.
  • 8.
  • 9. What is a Block? What is a Block? Classes,resources Components Sitemap Export packages Import packages Registered services Used services
  • 10. Block Structure myBlock/ META-INF/ manifest.mf # bundle manifest cocoon/ spring/ components.xml # spring components spring/ osgi-services.xml # spring-osgi – exports & imports org/ apache/ cocoon/ ... # classes COB-INF/ sitemap.xmap ... # resources
  • 11.
  • 12.
  • 13. Exporting a Bean <!-- cocoon-xml-impl --> <bean name=&quot; org.apache.cocoon.core.xml.SAXParser &quot; class=&quot;org.apache.cocoon.core.xml.impl.JaxpSAXParser&quot; scope=&quot;singleton&quot;> <property name=&quot;validate&quot; value=&quot;false&quot;/> </bean> <osgi:service ref=&quot; org.apache.cocoon.core.xml.SAXParser &quot; interface=&quot; org.apache.cocoon.core.xml.SAXParser &quot;/>
  • 14. Importing a Bean <!-- cocoon-pipeline-components --> <osgi:reference id=&quot; org.apache.cocoon.core.xml.SAXParser &quot; interface=&quot; org.apache.cocoon.core.xml.SAXParser &quot;/> <bean name=&quot;org.apache.cocoon.generation.Generator/file&quot; class=&quot;org.apache.cocoon.generation.FileGenerator&quot; scope=&quot;prototype&quot;> <property name=&quot;parser&quot; ref=&quot; org.apache.cocoon.core.xml.SAXParser &quot;/> </bean>
  • 15.
  • 16. Bean Map <!-- cocoon-expression-language-impl --> <osgi:service ref=&quot; org.apache.cocoon.el.ExpressionCompiler/js &quot; interface=&quot; org.apache.cocoon.el.ExpressionCompiler &quot;/> <osgi:service ref=&quot; org.apache.cocoon.el.ExpressionCompiler/jexl &quot; interface=&quot; org.apache.cocoon.el.ExpressionCompiler &quot;/> <osgi:service ref=&quot; org.apache.cocoon.el.ExpressionCompiler/jxpath &quot; interface=&quot; org.apache.cocoon.el.ExpressionCompiler &quot;/> <osgi:service ref=&quot; org.apache.cocoon.el.ExpressionCompiler/default &quot; interface=&quot; org.apache.cocoon.el.ExpressionCompiler &quot;/>
  • 17. Bean Map <!-- cocoon-expression-language-impl --> <bean id=&quot; org.apache.cocoon.el.ExpressionFactory &quot; class=&quot;org.apache.cocoon.el.impl.DefaultExpressionFactory&quot;> <property name=&quot;expressionCompilers&quot;> <cosgi:map interface=&quot; org.apache.cocoon.el.ExpressionCompiler &quot;/> </property> </bean> <osgi:service ref=&quot; org.apache.cocoon.el.ExpressionFactory &quot; interface=&quot;org.apache.cocoon.el.ExpressionFactory&quot;/>
  • 18.
  • 19. Service Events <!-- cocoon-servlet-service-demo1 --> <osgi:service ref=&quot;org.apache.cocoon.servletservice.demo1.servlet&quot; interface=&quot; javax.servlet.Servlet &quot;> <osgi:service-properties> <prop key=&quot;mountPath&quot;>/test1</prop> </osgi:service-properties> </osgi:service> <!-- cocoon-servlet-service-demo2 --> <osgi:service ref=&quot;org.apache.cocoon.servletservice.demo2.servlet&quot; interface=&quot; javax.servlet.Servlet &quot;> <osgi:service-properties> <prop key=&quot;mountPath&quot;>/test2</prop> </osgi:service-properties> </osgi:service>
  • 20. Service Events <!-- cocoon-servlet-service-impl --> <osgi:reference id=&quot; httpService &quot; interface=&quot;org.osgi.service.http.HttpService&quot;/> <osgi:collection id=&quot;servletService&quot; interface=&quot; javax.servlet.Servlet &quot;> <osgi:listener bind-method=&quot; setServlet &quot; unbind-method=&quot; unsetServlet &quot; ref=&quot; servletListener &quot;/> </osgi:collection> <bean id=&quot; servletListener &quot; class=&quot;org.apache.cocoon.servletservice.osgi.Activator&quot;> <property name=&quot;httpService&quot; ref=&quot; httpService &quot;/> </bean>
  • 21.
  • 22. Tunnelling a Prototype <!-- cocoon-pipeline-components --> <bean name=&quot; org.apache.cocoon.generation.Generator/file &quot; class=&quot;org.apache.cocoon.generation.FileGenerator&quot; scope=&quot;prototype&quot; > <property name=&quot;parser&quot; ref=&quot;org.apache.cocoon.core.xml.SAXParser&quot;/> </bean> <cosgi:service ref=&quot; org.apache.cocoon.generation.Generator/file &quot; interface=&quot; org.apache.cocoon.generation.Generator &quot; factory-export=&quot;true&quot; />
  • 23. Tunnelling a Prototype <!-- cocoon-core-main-sample --> <cosgi:reference name=&quot; org.apache.cocoon.generation.Generator/file &quot; interface=&quot; org.apache.cocoon.generation.Generator &quot; factory-export=&quot;true&quot; />
  • 24.
  • 25.
  • 26. Cocoon-OSGi Architecture Blocks /editor / Http Service Dispatcher
  • 27. Deployment architecture Cocoon platform Blocks Blocks repository (Maven 2) Blocks discovery (OBR) Deployment service
  • 28.
  • 29.