Florian Motteau created FREEMARKER-208:
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Summary: Allow to provide a specific locale for lower_case /
upper_case
Key: FREEMARKER-208
URL: https://issues.apache.org/jira/browse/FREEMARKER-208
Project: Apache Freemarker
Issue Type: Improvement
Reporter: Florian Motteau
lower_case and upper_case filters rely on toLowerCase / toUpperCase methods.
They use the current environment locale as first and only parameter for these
methods.
[https://github.com/apache/freemarker/blob/201533eb7c15e3cfc55b38da37f730a3492bec0f/src/main/java/freemarker/core/BuiltInsForStringsBasic.java#L433]
In rare cases, we might want to provide a specific/fixed locale, to avoid some
weird problems, such as the Turkish/Azeri dotless i problem :
{code:java}
// lowercasing an uppercase i, using turkish locale
System.out.println("I".toLowerCase(new Locale("tr", "TR")));{code}
...will output "ı" (which is a dotless "i").
We faced this problem in OFBiz
(https://issues.apache.org/jira/browse/OFBIZ-12660), and although we can fix
this for our specific use case, it may be a good idea to be able to pass a
locale (which sould defaults to the environment locale if not provided) as
parameter for lower_case and upper_case :
{code:java}
myVar?lower_case("en", "EN") {code}
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