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https://issues.apache.org/jira/browse/SANSELAN-42?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13200388#comment-13200388
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Sebb commented on SANSELAN-42:
------------------------------

+1 to convert to enums where appropriate.
                
> IPTCConstants: final arrays are not immutable
> ---------------------------------------------
>
>                 Key: SANSELAN-42
>                 URL: https://issues.apache.org/jira/browse/SANSELAN-42
>             Project: Commons Sanselan
>          Issue Type: Bug
>            Reporter: Sebb
>
> formats.jpeg.iptc.IPTCConstants contains the following public static final 
> arrays:
> IPTC_PREFIX
> IPTC_TYPES
> Array element are not immutable, even if the array itself is, so the entries 
> could potentially be corrupted accidentally or deliberately.
> IPTC_PREFIX does not appear to be used, so could perhaps be deleted. If not, 
> it could be made private and a getter added.
> IPTC_TYPES only appears to be used in IPTCTypeLookup, so could potentially be 
> moved there and made private.

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