The header language provides a convenient way of accessing header values in the current message. When you supply a header name, the header language performs a case-insensitive lookup and returns the corresponding header value.
The header language is part of camel-core
.
For example, to resequence incoming exchanges according to the value of a
SequenceNumber
header (where the sequence number must be a positive integer),
you can define a route as follows:
<camelContext xmlns="http://camel.apache.org/schema/spring"> <route> <from uri="SourceURL
"/> <resequence> <language language="header">SequenceNumber</language> </resequence> <to uri="TargetURL
"/> </route> </camelContext>