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Posted to issues@commons.apache.org by "Lluís Martínez (JIRA)" <ji...@apache.org> on 2008/12/24 00:50:44 UTC
[jira] Updated: (COLLECTIONS-308) CollectionUtils.transform fails
when collection is HashMap$Values
[ https://issues.apache.org/jira/browse/COLLECTIONS-308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lluís Martínez updated COLLECTIONS-308:
---------------------------------------
Description:
I'm trying to apply a transformation to all values in a map :
Collection values = map.values();
CollectionUtils.transform(values, transformer);
Gives a java.lang.UnsupportedOperationException in CollectionUtils line 439.
According to Javadoc the method values of Hashmap "does not support the add or addAll operations.".
was:
I'm trying to apply a transformation to all values in a map :
Collection values = map.values();
CollectionUtils.transform((Collection)values, this);
Gives a java.lang.UnsupportedOperationException in CollectionUtils line 439.
According to Javadoc the method values of Hashmap "does not support the add or addAll operations.".
> CollectionUtils.transform fails when collection is HashMap$Values
> -----------------------------------------------------------------
>
> Key: COLLECTIONS-308
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-308
> Project: Commons Collections
> Issue Type: Bug
> Components: Collection
> Affects Versions: 3.2
> Environment: Ubuntu
> Reporter: Lluís Martínez
> Priority: Minor
>
> I'm trying to apply a transformation to all values in a map :
> Collection values = map.values();
> CollectionUtils.transform(values, transformer);
> Gives a java.lang.UnsupportedOperationException in CollectionUtils line 439.
> According to Javadoc the method values of Hashmap "does not support the add or addAll operations.".
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