ExtensionInstallingEvent (XWiki Commons - Extension - API 15.0 API)

java.lang.Object
- org.xwiki.extension.event.AbstractExtensionEvent
- - org.xwiki.extension.event.ExtensionInstallingEvent

All Implemented Interfaces:

ExtensionEvent, BeginEvent, Event
```
public class ExtensionInstallingEvent
extends AbstractExtensionEvent
implements BeginEvent
```
An event triggered when a extension is going to be installed.
The event also send the following parameters:
- source: the related LocalExtension instance
- data: null
Since:

9.2RC1

Version:

$Id: af6d0cee934e72f0f6e899efeb220c860e96c502 $

See Also:

ExtensionInstalledEvent, ExtensionInstallFailedEvent

Constructor Summary

Constructors
Constructor	Description
`ExtensionInstallingEvent()`	Matches all extensions.
`ExtensionInstallingEvent(ExtensionId extensionId, String namespace)`	Matches only the specified extension id or/and version.

Method Summary
- Methods inherited from class org.xwiki.extension.event.AbstractExtensionEvent
  getExtensionId, getNamespace, hasNamespace, matches
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from interface org.xwiki.observation.event.Event
  matches

- Constructor Detail
  - ExtensionInstallingEvent
```
public ExtensionInstallingEvent()
```
    Matches all extensions.
  - ExtensionInstallingEvent
```
public ExtensionInstallingEvent(ExtensionId extensionId,
                                String namespace)
```
    Matches only the specified extension id or/and version.
    
    Parameters:
    
    extensionId - the extension identifier
    
    namespace - the namespace on which the event happened