Andrea Ligios created WW-4551:
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Summary: Allowing conversion of RFC3339 dates with date part only
(yyyy-MM-dd) as per HTML5 and w3 standard for <input type="date" /> (and
others).
Key: WW-4551
URL: https://issues.apache.org/jira/browse/WW-4551
Project: Struts 2
Issue Type: Improvement
Components: Core Actions
Affects Versions: 2.3.24
Reporter: Andrea Ligios
Fix For: 2.3.x
Facts:
- {code:xml}<input type="date" />{code} is the HTML5 standard for inputing
dates. It works in many browsers: Chrome, Opera, almost every mobile browsers -
where it is fundamental - and the coverage can only grow.
- [w3 has chosen the RFC3339 *with date
only*|http://www.w3.org/TR/html-markup/input.date.html#input.date.attrs.value]
as *value format* {code}yyyy-MM-dd{code} while transparently handling the
*display format* according to the Locale.
This means that, for example, americans see {code}MM/dd/yyyy{code}, italians
see {code}dd/MM/yyyy{code}, but both of them send {code}yyyy-MM-dd{code} to the
server. *Without the time part*.
- Struts Date Converter already works for:
{code:title=DateConverter.java|borderStyle=solid}
DateFormat dt1 = DateFormat.getDateTimeInstance(DateFormat.SHORT,
DateFormat.LONG, locale);
DateFormat dt2 = DateFormat.getDateTimeInstance(DateFormat.SHORT,
DateFormat.MEDIUM, locale);
DateFormat dt3 = DateFormat.getDateTimeInstance(DateFormat.SHORT,
DateFormat.SHORT, locale);
DateFormat d1 = DateFormat.getDateInstance(DateFormat.SHORT, locale);
DateFormat d2 = DateFormat.getDateInstance(DateFormat.MEDIUM, locale);
DateFormat d3 = DateFormat.getDateInstance(DateFormat.LONG, locale);
DateFormat rfc3339 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
{code}
with a final fallback to {code:java}DateFormat.SHORT{code} if nothing worked
(in case of Time and Timestamps too).
My idea is: can we add the support for *date-only RFC3339*, that is the one
sent by the browser, *in addition* to the ones already there ? No existing code
would break, and we'd have a standard, automatic conversion for a popular,
growing *standard*.
I can't see any cons. Can you ?
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