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Variable | Type | Description |
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id | String | the input message id |
body | Object | the input body |
in.body | Object | the input body |
out.body | Object | the output body |
header.foo | Object | refer to the input foo header |
headers.foo | Object | refer to the input foo header |
in.header.foo | Object | refer to the input foo header |
in.headers.foo | Object | refer to the input foo header |
out.header.foo | Object | refer to the out header foo |
out.headers.foo | Object | refer to the out header foo |
property.foo | Object | refer to the foo property on the exchange |
sys.foo | String | refer to the system property |
exception.message | String | New in Camel 2.0. Refer to the exception.messsage on the exchange, is <tt>null</tt> null if no exception set on exchange |
date:command:pattern | String | New in Camel 1.5. Date formatting using the |
bean:bean expression | Object | New in Camel 1.5. Invoking a bean expression using the Bean language. Specifying a method name you must use dot as separator. In Camel 2.0 we also support the ?method=methodname syntax that is used by the Bean component. |
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Code Block |
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simple("${in.header.foo} == 'foo'")
// ' ' can be omitted
simple("${in.header.foo} == foo")
// here Camel will type convert '100' into the type of in.header.bar and if its an Integer '100' will also be converter to an Integer
simple("${in.header.bar} == '100'")
simple("${in.header.bar} == 100")
// 100 will be converter to the type of in.header.bar so we can do > comparison
simple("${in.header.bar} > 100")
// testing for null
simple("${in.header.baz} == null")
// testing for not null
simple("${in.header.baz} != null")
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