Arne Burmeister created LANG-917:
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Summary: Exception when combining custom and choice format in
ExtendedMessageFormat
Key: LANG-917
URL: https://issues.apache.org/jira/browse/LANG-917
Project: Commons Lang
Issue Type: Bug
Components: lang.text.*
Affects Versions: 2.6, 2.5
Reporter: Arne Burmeister
When using a custom format registered and a choice format with an inner format
is used in the same message format, an IndexOutOfBoundsException occurs in the
custructor of ExtendedMessageFormat:
{code:java}new ExtendedMessageFormat("Hi {0,test,any}, got
{1,choice,0#none|1#one|1<{1,number}}", Collections.singletonMap("test", new
TestFormatFactory()));{code}
{noformat}
java.lang.IndexOutOfBoundsException: Index: 2, Size: 2
at java.util.ArrayList.rangeCheck(ArrayList.java:604)
at java.util.ArrayList.get(ArrayList.java:382)
at
org.apache.commons.lang.text.ExtendedMessageFormat.insertFormats(ExtendedMessageFormat.java:364)
at
org.apache.commons.lang.text.ExtendedMessageFormat.applyPattern(ExtendedMessageFormat.java:192)
at
org.apache.commons.lang.text.ExtendedMessageFormat.<init>(ExtendedMessageFormat.java:127)
{noformat}
The problem occurs at the start of {{\{1,number\}}}.
As a workaround i registered the {{TestFormatFactory}} also for "choice" and
then returning {{new ChoiceFormat(arguments)}}, but that is not the idea.
I also checked the change logs, but there seems no change on this problem. I
have not tester, but I think the bug still is present in the current release.
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