Since Camel 2.0
The ExchangeProperty Expression Language allows you to extract values of named exchange properties.
The ExchangeProperty language supports 1 options, which are listed below.
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Whether to trim the value to remove leading and trailing whitespaces and line breaks
The recipientList element of the Spring DSL can utilize a exchangeProperty expression like:
In this case, the list of recipients are contained in the property 'myProperty'.
<route> <from uri="direct:a" /> <recipientList> <exchangeProperty>myProperty</exchangeProperty> </recipientList> </route>
And the same example in Java DSL:
And with a slightly different syntax where you use the builder to the fullest (i.e. avoid using parameters but using stacked operations, notice that exchangeProperty is not a parameter but a stacked method call)