Notice: This Wiki is now read only and edits are no longer possible. Please see: https://gitlab.eclipse.org/eclipsefdn/helpdesk/-/wikis/Wiki-shutdown-plan for the plan.
EL Variable Support
Revision as of 18:27, 3 October 2006 by Unnamed Poltroon (Talk)
Background
Here is an example of the use of an EL variable:
<c:forEach var="book" items="\#\{BooksBean.books\}"> <h:inputText id="quantity" value="\#\{book.quantity\}" ... /> </c:forEach>
The fragment shows a c:forEach creating a variable called "book" whose value is the expression "#{BooksBean.books}". When h:inputText evaluates "book" in its value attribute, the correct instance is evaluated based on the instance of BooksBean.books that was selected for that collection on a particular iteration of the forEach.
In order to support symbols like book at design-time we need to create a new type of symbol called IExpressionInstanceSymbol: