Chapter 14. Constant
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: Java example In Java, 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> from(" SourceURL ") .setHeader("username", constant("Jane Doe")) .to(" TargetURL ");