DataSqueezerImpl: DataSqueezer.adaptor-prefix-taken: wrong argument to error
message -> conflicting prefix not shown
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Key: TAPESTRY-1974
URL: https://issues.apache.org/jira/browse/TAPESTRY-1974
Project: Tapestry
Issue Type: Bug
Components: Framework
Affects Versions: 4.1.3
Reporter: Oliver Spier
Priority: Minor
When trying to register a SqueezeAdaptor with a prefix that is already used by
another registered SqeezeAdaptor, the error message says:
"An adaptor for prefix '' is already registered."
i.e. it does not specify _which_ prefix is already registered. The Exception in
DataSqueezerImpl.register(SqeezeAdaptor) is thrown as follows:
if (_adaptorByPrefix[offset] != null)
throw new IllegalArgumentException(Tapestry.format(
"DataSqueezer.adaptor-prefix-taken",
Character.valueOf( prefix.charAt(i) ) ));
prefix.substring(i, i)));
Fix suggestion: The call to prefix.substring(i, i) should be replaced with
prefix.substring(i, i+1)
(see
http://java.sun.com/javase/6/docs/api/java/lang/String.html#substring(int,%20int)
)
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