[CONF] Apache Camel: Simple (page edited)

[confluence]

Page Edited : CAMEL : Simple Simple has been edited by Claus Ibsen (Aug 21, 2008). Change summary: Updated simple langauge with all its properties and added some samples etc (View changes) Content: Simple _expression_ Language The Simple _expression_ Language is a really simple language you can use. Its primarily intended for being a really small and simple language for testing without requiring any new dependencies or knowledge of XPath; so its ideal for testing in camel-core. However for real world use cases you are generally recommended to choose a more expressive and powerful language such as Bean Language EL OGNL one of the supported Scripting Languages Syntax _expression_ Description id the input message id body the input body in.body the input body out.body the output body header.foo refer to the input foo header headers.foo refer to the input foo header in.header.foo refer to the input foo header in.headers.foo refer to the input foo header out.header.foo refer to the out header foo out.headers.foo refer to the out header foo property.foo refer to the foo property on the exchange sys.foo refer to the system property The simple language uses ${body} placeholders for complex expressions where the _expression_ contains constant literals. The ${ } placeholders can be omitted if the _expression_ is only the token itself. To get the body of the in message: "body", or "in.body" or "${body}". A complex _expression_ must use ${ } placeholders, such as: "Hello ${in.header.name} how are you?". You can have multiple tokens in the same _expression_: "Hello ${in.header.name} this is ${in.header.me} speaking". However you can not nest tokens (i.e. having another ${ } placeholder in an existing, is not allowed).

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