Dynamic extension for alfresco
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Dynamic extensions for Alfresco. Uses OSGI to dynamically deploy modules. Faster development time.
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Dynamic extension for alfresco
- 1. DYNAMIC EXTENSIONS Enabled by / “Rapid development of Alfresco repository extensions in Java. Deploy your code in seconds, not minutes. Life is too short for endless server restarts.” dynamic-extensions-for-alfresco @LaurensFridael
- 2. CREATING ALFRESCO EXTENSIONS 1. code + spring xml + descriptor xml 2. compile & jar 3. create amp 4. stop alfresco 5. apply amps 6. start alfresco 7. test your extension
- 3. WHY ? Why can't I copy my code to the server and hit refresh ?
- 4. CLASS RELOADING IN JAVA the JVM cannot reload classes but it can reload Classloaders
- 5. HOW DO I DO THAT load dynamic code via a new classloader discard classloader when updating UrlClassloader good start how can I reload modules ?
- 6. OSGI A Java module specification designed for continues deployment: reloading code service / class dependencies between modules service registry: whiteboard pattern
- 7. Combine Alfresco and OSGI: Dynamic Extensions
- 8. DEMO
- 9. WEBSCRIPTS @Component @WebScript(description = "Weather") @Authentication(AuthenticationType.GUEST) public class WeatherScript { @Autowired WeatherService weatherService; @Uri(value = "/weather", defaultFormat = "html") public Map<String, Object> index( final @RequestParam(required = false) String name) { return new HashMap<String,Object>() {{ put("name", name); put("temperature", weatherService.getTemperature()); }}; } }
- 10. TEMPLATE WeatherScript.index.get.html.ftl <html> <body> Hello ${name!"guest"}, the current temperature is ${temperature}. </body> </html>
- 11. WITHOUT TEMPLATE @Component @WebScript(description = "Time") @Authentication(AuthenticationType.GUEST) public class TimeScript { @Autowired WeatherService weatherService; @Uri(value = "/time") public void index(WebscriptResponse response) { response.getWriter().write(new Date().toString()); } }
- 12. BEHAVIOUR @Component @Behaviour("cm:content", event = Event.COMMIT) public class ChildCreation implements NodeServicePolicies.OnCreateChildAssociationPolicy { @AssociationPolicy(association = "cm:contains") @Override public void onCreateChildAssociation( ChildAssociationRef childAssociationRef, boolean newNode) {} }
- 13. ACTIONS @ActionMethod(value = "destroy", applicableTypes = {"cm:content"}) public void destroy(final NodeRef nodeRef) { nodeService.addAspect(nodeRef, ContentModel.ASPECT_TEMPORARY, null); nodeService.deleteNode(nodeRef); }
- 14. NOW STOP RESTARTING AND START CODING Laurent Van der Linden / Xenit