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Chapter 24. The Object-Graph Navigation Language(OGNL)
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				OGNL is an expression language for getting and setting properties of Java objects. You use the same expression for both getting and setting the value of a property. The OGNL support is in the 
camel-ognl module.
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				This component is supported by the Camel on EAP (Wildfly Camel) framework, which offers a simplified deployment model on the Red Hat JBoss Enterprise Application Platform (JBoss EAP) container. For details of this model, see chapter "Apache Camel on JBoss EAP" in "Deploying into a Web Server".
			
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				To use OGNL in your routes you need to add a dependency on 
camel-ognl to your project as shown in Example 24.1, “Adding the camel-ognl dependency”.
			Example 24.1. Adding the camel-ognl dependency
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				To use the 
ognl() static method in your application code, include the following import statement in your Java source files:
			import static org.apache.camel.language.ognl.OgnlExpression.ognl;
import static org.apache.camel.language.ognl.OgnlExpression.ognl;
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				Table 24.1, “OGNL variables” lists the built-in variables that are accessible when using OGNL.
			
| Name | Type | Description | 
|---|---|---|
this | org.apache.camel.Exchange | The current Exchange | 
exchange | org.apache.camel.Exchange | The current Exchange | 
exception | Throwable | the Exchange exception (if any) | 
exchangeID | String | the Exchange ID | 
fault | org.apache.camel.Message | The Fault message(if any) | 
request | org.apache.camel.Message | The IN message | 
response | org.apache.camel.Message | The OUT message | 
properties | Map | The Exchange properties | 
property(name) | Object | The value of the named Exchange property | 
property(name, type) | Type | The typed value of the named Exchange property | 
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				Example 24.2, “Route using OGNL” shows a route that uses OGNL.
			
Example 24.2. Route using OGNL