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wso2esb - How to get a formatted date as a Property in the WSO2 ESB

Im trying to format the date in payload using wso2 ESB 4.9.0.I can format the system date using below method.

<property expression="get-property('SYSTEM_DATE','MM-dd-yyyy')"
name="uri.var.TransactionDate" xmlns:ns="http://org.apache.synapse/xsd"/>

but i need is format property value as per below but its not format properly.

<property expression="get-property('uri.var.TransactionDate','MM-dd-yyyy')"
                name="TransactionDate" xmlns:ns="http://org.apache.synapse/xsd"/>

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Using the formatting like that only works with the SYSTEM_DATE property. If you want to format your own property you will have to do it using other techniques. There are several date-format functions available in XSLT[1] for example. But while not as pretty, if your incoming Transaction date is always the same length you could also use a concatenation of substrings[2][3]. For example assuming your uri.var.TransActionDate is yyyyMMdd and you want to format to MM-dd-yyyy:

<property expression="concat(substring($ctx:uri.var.TransActionDate, 5, 2), '-', substring($ctx:uri.var.TransActionDate, 7, 2), '-', substring($ctx:uri.var.TransActionDate, 1, 4))" name="TransactionDate"/>

Hope this puts you on the right track!

[1] https://www.oreilly.com/library/view/xslt-2nd-edition/9780596527211/ch04s05.html [2]https://developer.mozilla.org/en-US/docs/Web/XPath/Functions/substring [3]https://developer.mozilla.org/en-US/docs/Web/XPath/Functions/concat


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