%dw 2.0
import appendIfMissing from dw::core::Strings
output application/json
---
{
"a": appendIfMissing(null, ""),
"b": appendIfMissing("abc", ""),
"c": appendIfMissing("", "xyz") ,
"d": appendIfMissing("abc", "xyz") ,
"e": appendIfMissing("abcxyz", "xyz")
}
DataWeave
appendIfMissing
DataWeave 2.2 is compatible and bundled with Mule 4.2.
This version of Mule reached its
End of Life Deployments of new applications to CloudHub that use this version of Mule are no longer allowed. Only in-place updates to applications are permitted. MuleSoft recommends that you upgrade to the latest version of Mule 4 that is in Standard Support so that your applications run with the latest fixes and security enhancements. |
appendIfMissing(String, String): String
Appends the suffix
to the end of the text
if the text
does not already
ends with the suffix
.
Introduced in DataWeave 2.2.0. Supported by Mule 4.2 and later.
Parameters
Name | Description |
---|---|
|
The input string. |
|
The text used as the suffix. |
Example
This example shows how appendIfMissing
behaves with different inputs and sizes.
Source
Output
{
"a": null,
"b": "abc",
"c": "xyz",
"d": "abcxyz",
"e": "abcxyz"
}
JSON
appendIfMissing(Null, String): Null
Helper function to make appendIfMissing
work with null
value.