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From Reto Bachmann-Gmür (JIRA) <j...@apache.org>
Subject [jira] Commented: (CLEREZZA-29) Wish for Scala function
Date Thu, 17 Dec 2009 15:57:19 GMT

    [ https://issues.apache.org/jira/browse/CLEREZZA-29?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12791987#action_12791987
] 

Reto Bachmann-Gmür commented on CLEREZZA-29:
--------------------------------------------

maybe another issue could be taht XML-literals are returned as NodeSequence by the * operator,
this would obsolete the XML.loadString (which doesn't work anyway as XML literals need not
have a single root)

> Wish for Scala function
> -----------------------
>
>                 Key: CLEREZZA-29
>                 URL: https://issues.apache.org/jira/browse/CLEREZZA-29
>             Project: Clerezza
>          Issue Type: Improvement
>         Environment: Scala Pages
>            Reporter: Oliver Strässer
>            Assignee: Reto Bachmann-Gmür
>            Priority: Critical
>
> can you provide a funtion in scala wich checks a given property, and if the property
is set, the return value is the string representation of this property. 
> if the value isn't set, the returnvalue is an "" string .
> i don't want to wrote everytime the folloeing code: 
>  
> {if((res/DC.title).length > 0){res/dc("title")*}else {""}}
>  
> or : 
>  
> {if((res/dc("description")).length > 0){XML.loadString(res/dc("description")*)}else
{""}}
> To Functions (One for XML and one for normal String is ok)
> Better is: 
> {if((res/acp("statusTextForParticipants")).length > 0){
>                                     try {
>                                     XML.loadString(res/acp("statusTextForParticipants")*)
>                                     } catch {
>                                     case e:Exception => res/acp("statusTextForParticipants")*;
>                                     }
>                                     }else {""}}
> or an functionm wich generates valid xml from string (escaped / not escaped // is an
xmlliteral or not)
> , when the string is copied from microsoft word, like this. Hard to explain. 
> THIS IS VERY IMPORTANT, BECAUSE YOU CAN'T RELY  ON THAT THE USER GENERATE VALID XML CONTENT

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