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https://jira.duraspace.org/browse/DS-806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18711#action_18711
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Kim Shepherd commented on DS-806:
---------------------------------
Quick comment to note that I agree with Stuart's findings, and the patch has
fixed the problem in my test environment (1.8 trunk)
> Item.match() incorrect logic for schema testing
> -----------------------------------------------
>
> Key: DS-806
> URL: https://jira.duraspace.org/browse/DS-806
> Project: DSpace
> Issue Type: Bug
> Components: DSpace API
> Affects Versions: 1.5.0, 1.5.1, 1.5.2, 1.6.0, 1.6.1, 1.6.2, 1.7.0
> Reporter: Stuart Lewis
> Priority: Blocker
> Fix For: 1.7.1
>
> Attachments: [DS-806]_junit_test.patch
>
>
> Item.match(String schema, String element, String qualifier, String language,
> DCValue dcv) contains the following code:
> if (language == null)
> {
> // Value must be null language to match
> if (dcv.language != null)
> {
> // Value is qualified, so no match
> return false;
> }
> }
> else if (!language.equals(Item.ANY))
> {
> // Not a wildcard, so language must match exactly
> if (!language.equals(dcv.language))
> {
> return false;
> }
> }
> else if (!schema.equals(Item.ANY))
> {
> if (dcv.schema != null && !dcv.schema.equals(schema))
> {
> // The namespace doesn't match
> return false;
> }
> }
> Therefore, the schema is not being checked if the language of the metadata
> field is empty (null) or set to Item.ANY. This leads to the following case:
> dc.type = foo
> dc2.type = bar
> MyItem.getMetadata("dc", "type", null, null) should return 1 result 'foo'.
> Instead, it returns 'foo' and 'bar'.
> To fix, change the 'else if' for the 'else if (language == null)' to 'if
> (language == null)'.
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