[jira] [Created] (CAMEL-24970) simple - catalog, documentation and syntax hint fixes

["Claus Ibsen (Jira)" <ji...@apache.org>]

Claus Ibsen created CAMEL-24970:
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             Summary: simple - catalog, documentation and syntax hint fixes
                 Key: CAMEL-24970
                 URL: https://issues.apache.org/jira/browse/CAMEL-24970
             Project: Camel
          Issue Type: Sub-task
          Components: camel-core
            Reporter: Claus Ibsen
            Assignee: Claus Ibsen
             Fix For: 4.23.0


SimpleConstants feeds simple.json, the TUI and the MCP tooling, so wrong entries mislead users and AI agents.

* (verified) throwException argument order: SimpleConstants and simple-functions.adoc document (type,msg), the code takes (msg,type). The catalog example {{${throwException(java.io.IOException,'File not found')}}} fails with ClassNotFoundException: File not found. The parse error text also says (type,msg).
* (verified) HOST_NAME is "hostName" but the function is hostname.
* (verified) EXCEPTION_STACKTRACE is "exception.stackTrace"; the function is exception.stacktrace and the documented spelling falls through to OGNL (returns StackTraceElement[]).
* (verified) ASSERT marks msg optional but {{${assert(${body} == 'abc')}}} is a parse error.
* SET_ATTACHMENT text is setVariable(key,exp) (copy-paste); NOT = "not" should be not(exp); UUID omits the random kind; logExchange and sysenv are missing; ${date(now)} and ${bean(myBean)} examples do not parse.
* FileConstants descriptions start with a dagger character "†he" (leaks into the catalog); *.noext.single description is wrong.
* Docs: pad direction backwards, file:modified returns Long not Date, ceil/floor return long not int, substring negative-index wording, substringBetween error message shows substringAfter.
* SimpleSyntaxHints: FUNCTIONS list is stale ({{${not}}} suggests ${sort}, avg instead of average, many real functions missing so no suggestion); trim/upper/lower aliases suggest bodyAs(String).trim() instead of ${trim()}; size -> length has different meaning; unexpectedToken also rewrites words inside quotes. Consider generating the list from SimpleConstants.

_Claude Code on behalf of davsclaus (found by an AI review of the simple language source; each item marked (verified) was reproduced on main at c3ef718de2e8)_



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