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Chapter 14. Constant
Overview
The constant language is a trivial built-in language that is used to specify a plain text string. This makes it possible to provide a plain text string in any context where an expression type is expected.
XML example
In XML, you can set the username header to the value, Jane Doe as follows:
<camelContext>
<route>
<from uri="SourceURL"/>
<setHeader headerName="username">
<constant>Jane Doe</constant>
</setHeader>
<to uri="TargetURL"/>
</route>
</camelContext>Java example
In Java, you can set the username header to the value, Jane Doe as follows:
from("SourceURL")
.setHeader("username", constant("Jane Doe"))
.to("TargetURL");