collection:get

Will get an element from the Collection specified. This tag will only work if the Collection is either a List or a Map.

Set do not have a get method.

If your Collection is a Map the key and name/property attributes must be the key value of the wanted element. But if the Collection is a List the attributes must be the index of the wanted element.

This tag might return null, if the specified item does not exist or that null acctually are added in the Collection.

Syntax

<collection:get
   collection="..."
   id="..."?
   key="..."?
   name="..."?
   property="..."?
   type="..."?/>

Attributes

collection, mandatory

The collection to get element from. This must be either a List or a Map.

Set do not have a get method.

id, no runtime expressions

If the id is set the object will be made available as a scripting variable. If id is not specified the object fetched from the collection will be printed directly to the page.

type

Type of object that will be return from this tag. Either as a scripting variable or be written directly out. See the id-attribute.

key

Key of the object we will get from the Map or the index to get from the List.

name

Name to a bean to be used as key of the object we will get from the Map or the index to get from the List.

property

Specifies the name of the property to be used as key in the Map or the List (on the bean specified by name).