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Comment: Migrated to Confluence 4.0

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  • "property.index": If the property is a List or Array then the second property can be used as a index on that list/array like this: 'mylist.0'. This kind of expression will be mapped on the getProperty(index) or setProperty(index, value) methods. If the object represents a List and the index is greater than its size of this list, the list will be expanded.

Wiki MarkupIndex or map properties can be alternatively written as: {{"property\[index\]"}} or {{"property\[key\]"}}.

For example, if we have a following class:

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unmigrated-wiki-markup
Panel
titleFrom the mailing list

We started out with OGNL in the past but:
1) OGNL at one point took about 30% processor time of the whole request. We simplified and optimized and wrote OGNL out.
2) We feel it's not the recommended way of programming to rely on property expressions beyond simple navigations
3) By overriding {{wicket.model.AbstractPropertyModel#onGetObject(wicket.Component)}} and {{AbstractPropertyModel#onSetObject(Component, Object)}} users can provide their own resolving if \ [necessary\].

Eelco Hillenius