THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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The syntax to use Camel's property placeholder is to use #{{key}} for example #{{file.uri}} where file.uri is the property key.
You can use property placeholders in parts of the endpoint URI's which for example you can use placeholders for parameters in the URIs.
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// properties
cool.end=mock:result
// route
from("direct:start").to("properties:#{{cool.end}}");
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You can also use placeholders as a part of the endpoint uri:
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// properties
cool.foo=result
// route
from("direct:start").to("properties:mock:#{{cool.foo}}");
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In the example above the to endpoint will be resolved to mock:result.
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// properties
cool.foo=result
cool.concat=mock:#{cool.foo}
// route
from("direct:start").to("properties:mock:#{{cool.concat}}");
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Notice how cool.concat refer to another property.
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from("direct:start").to("properties:#{bar.end}?locations=com/mycompany/bar.properties");
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// properties
cool.foo=result
// route
from("direct:start").to("mock:#{{cool.foo}}");
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And you can use them in multiple wherever you want them:
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// properties
cool.start=direct:start
cool.showid=true
cool.result=result
// route
from("#{{cool.start}}")
.to("log:#{{cool.start}}?showBodyType=false&showExchangeId=#{{cool.showid}}")
.to("mock:#{{cool.result}}");
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You can also your property placeholders when using ProducerTemplate for example:
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template.sendBody("#{{cool.start}}", "Hello World");
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Example with Simple language
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