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https://issues.apache.org/activemq/browse/CAMEL-401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=41835#action_41835
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Gary Tully commented on CAMEL-401:
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on the patch, I figured a single String can be considered as a collection of
characters so collection-contains behaviour is maintained.
Thanks for the feedback.
> header().contains() could have natural specialisation for String arguments
> --------------------------------------------------------------------------
>
> Key: CAMEL-401
> URL: https://issues.apache.org/activemq/browse/CAMEL-401
> Project: Apache Camel
> Issue Type: Improvement
> Components: camel-core
> Affects Versions: 1.2.0
> Reporter: Gary Tully
> Attachments: camel-401.patch
>
>
> Filtering on a header that contains a string with a hyphen, the following
> works:
> from(file://temp).filter(header(FileComponent.HEADER_FILE_NAME).matchesRegex(".*-.*")).to("mock:result");
> but contains is more natural and should also work.
> from(file://temp).filter(header(FileComponent.HEADER_FILE_NAME).contains("-")).to("mock:result");
> It does not as contains() is focused on collections and reduces to checking
> equality on single values. A string specialisation could use string.contains.
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