test_lib.ftl

And FTL lib file
Copyright
bla bla bla 2021

Macro and Function Summary

Category [Auxiliar functions ]
function
iif ( condition , value1 , value2 )
Function that emulates C/Java '?' operator
function
isStringNumber ( variable )
Checks if a String value it's a number
function
join ( seq , separator )
Function that generates a string from a sequence, putting a separator bettwen elements
function
toBool ( input )
Function that converts a value to a Boolean

Macro and Function Detail

function iif ( condition , value1 , value2 )

Function that emulates C/Java '?' operator

Category
[Auxiliar functions ]
Parameters
Name Type Description
condition Boolean Expression that evaluates on a boolean value
Source Code
<#function iif condition value1 value2>
    <#if condition>
        <#return value1 />
    <#else>
        <#return value2 />
    </#if>
</#function>
function isStringNumber ( variable )

Checks if a String value it's a number

Category
[Auxiliar functions ]
Source Code
<#function isStringNumber variable>
    <#attempt>
        <#assign numberVariable = variable?number />
        <#return numberVariable?is_number />
    <#recover>
        <#return false />
    </#attempt>
</#function>
function join ( seq , separator )

Function that generates a string from a sequence, putting a separator bettwen elements

Category
[Auxiliar functions ]
Parameters
Name Type Description
seq Sequence Sequence to be converted to String
separator String (Optional) Seperator element.
Default value : " "
Source Code
<#function join seq separator = " ">
    <#local res = "" />
    <#list seq as e>
        <#if e_index == 0>
            <#local res = res + e />
        <#else>
            <#local res = res + separator + e />
        </#if>
    </#list>
    <#return res />
</#function>
function toBool ( input )

Function that converts a value to a Boolean

Category
[Auxiliar functions ]
Parameters
Name Type Description
input String | Number | Boolean | Object String or Number to be converted to Boolean
Return value
Boolean value being true or false
Source Code
<#function toBool input>
    <#if input?is_boolean>
        <#return input />
    </#if>

    <#-- Number -->
    <#if input?is_number>
        <#if input != 0>
            <#return true />
        <#else>
            <#return false />
        </#if>
    </#if>

    <#-- String -->
    <#if input?is_string>
        <#if input == "" || input == "false"|| input == "not"  || input == "no" || input == "n" || input == "f" >
            <#return false />
        <#else>
            <#return true />
        </#if>
    </#if>
    
    <#-- != Null or not has content -->
    <#if input?? && input?has_content>
        <#return true />
    <#else>
        <#return false />
    </#if>
</#function>