Changes for page Writing an Event Listener

Summary

• Page properties (2 modified, 0 added, 0 removed)

Details

Page properties

Author

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1		-XWiki.mflorea
	1	+XWiki.DaniloOliveira

Content

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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}{{toc/}}{{/box}}
	1	+{{box cssClass="floatinginfobox" title="**Contents**"}}
	2	+{{toc/}}
	3	+{{/box}}
2	2
3	3	XWiki supports notifications (a.k.a Observation Events) and it's possible to do some action when a document is modified, when a document's objects are modified, when a wiki is created, etc. See the full documentation in the [[Observation reference documentation>>extensions:Extension.Observation Module]].
4	4
5	5	There are several ways to write an Event Listener to react to some events:
	8	+
6	6	* In Java, as an [[XWiki Component>>extensions:Extension.Component Module]]
7	7	* In a wiki page, as a [[Wiki Component>>extensions:Extension.WikiComponent Module]]
8	8	* In a wiki page, using Groovy, by writing an XWiki Component and manually registering it against the Component Manager
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20	20	{{/warning}}
21	21
22	22	Follow these steps:
	26	+
23	23	* Create a page, for example ##EventListeners.DocumentSaveListener##
24	24	* Add a ##XWiki.ComponentClass## XObject in it
25	25	** Component Role Type: ##org.xwiki.observation.EventListener##
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56	56	if (docSource.space != "EventListeners") {
57	57	docSource.setContent(docSource.content + "\n\nSome extra content...")
58	58	}
59		-{{/groovy}}{{/code}}
	63	+{{/groovy}}
	64	+{{/code}}
60	60	)))
61	61	* Save!
62	62
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226	226	)))
227	227	* Build the project with maven: ##mvn clean install## and copy the JAR generated in the ##target## directory in your XWiki's ##WEB-INF/lib## directory, and restart XWiki.
228	228
	234	+{{info}}
	235	+If you are experiencing problems trying to build it, see:
	236	+http://dev.xwiki.org/xwiki/bin/view/Community/Building
	237	+{{/info}}
	238	+
229	229	Before trying it, go to your wiki's administration page and make sure you've configured the Email properties. Try it by adding a new comment on a page. You should receive an email!
230	230
231	231	{{warning}}
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235	235	= Old Notifications Tutorial =
236	236
237	237	If you're using an old version of XWiki (prior to 2.0) you should check this [[old Notifications Tutorial>>GroovyNotificationTutorial]].
238		-