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From "Henri Biestro (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (JEXL-222) The ability to declare indexed property getter/setter in customised JexlArithmetic implementation
Date Tue, 14 Mar 2017 12:14:41 GMT

     [ https://issues.apache.org/jira/browse/JEXL-222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Henri Biestro updated JEXL-222:
-------------------------------
    Assignee: Henri Biestro

> The ability to declare indexed property getter/setter in customised JexlArithmetic implementation
> -------------------------------------------------------------------------------------------------
>
>                 Key: JEXL-222
>                 URL: https://issues.apache.org/jira/browse/JEXL-222
>             Project: Commons JEXL
>          Issue Type: Improvement
>    Affects Versions: 3.0
>            Reporter: Dmitri Blinov
>            Assignee: Henri Biestro
>            Priority: Minor
>
> At the moment we have the ability to declare a specific getter/setter method in customized
JexlArithmetic class that will be used by Jexl engine when engine tries to get access to a
property of some object. This is great extension point of the Jexl but I have come to a situation
where I need the same technics to be applied to indexed properties. For example I'm scripting
org.w3c.dom.Element object by setting its attributes via its {code}Element.setAttribute(java.lang.String
name, java.lang.String value) {code} method. In Jexl I use standard indexed property access
syntax like the following: {code} node.attribute.id = "12345"; {code} The problem lies with
the last argument of the setAttribute method which is of String class. And for Jexl standard
indexed property setter to work I should always remember that in script I need to cast specified
property value to a string, which is error-prone and lacks, in my understanding, scripting
easiness. I see the solution as to introduce custom indexed property setter in more generalized
form, accepting Object type as a value so it could cast a value to String before calling {{Element.setAttribute}}



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