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Chapter 28. Ruby
Overview 링크 복사링크가 클립보드에 복사되었습니다!
링크 복사링크가 클립보드에 복사되었습니다!
Ruby is a dynamic, open source programming language with a focus on simplicity and productivity. It has an elegant syntax that is natural to read and easy to write. The Ruby support is part of the
camel-script
module.
Adding the script module 링크 복사링크가 클립보드에 복사되었습니다!
링크 복사링크가 클립보드에 복사되었습니다!
To use Ruby in your routes you need to add a dependency on
camel-script
to your project as shown in Example 28.1, “Adding the camel-script dependency”.
Example 28.1. Adding the camel-script dependency
Static import 링크 복사링크가 클립보드에 복사되었습니다!
링크 복사링크가 클립보드에 복사되었습니다!
To use the
ruby()
static method in your application code, include the following import statement in your Java source files:
import static org.apache.camel.builder.camel.script.ScriptBuilder.*;
import static org.apache.camel.builder.camel.script.ScriptBuilder.*;
Built-in attributes 링크 복사링크가 클립보드에 복사되었습니다!
링크 복사링크가 클립보드에 복사되었습니다!
Table 28.1, “Ruby attributes” lists the built-in attributes that are accessible when using Ruby.
Attribute | Type | Value |
---|---|---|
context | org.apache.camel.CamelContext | The Camel Context |
exchange | org.apache.camel.Exchange | The current Exchange |
request | org.apache.camel.Message | The IN message |
response | org.apache.camel.Message | The OUT message |
properties | org.apache.camel.builder.script.PropertiesFunction | Function with a resolve method to make it easier to use the properties component inside scripts. |
The attributes all set at
ENGINE_SCOPE
.
Example 링크 복사링크가 클립보드에 복사되었습니다!
링크 복사링크가 클립보드에 복사되었습니다!
Example 28.2, “Route using Ruby” shows a route that uses Ruby.
Example 28.2. Route using Ruby
Using the properties component 링크 복사링크가 클립보드에 복사되었습니다!
링크 복사링크가 클립보드에 복사되었습니다!
To access a property value from the properties component, invoke the
resolve
method on the built-in properties
attribute, as follows:
.setHeader("myHeader").ruby("properties.resolve(PropKey)")
.setHeader("myHeader").ruby("properties.resolve(PropKey)")
Where PropKey is the key of the property you want to resolve, where the key value is of
String
type.
For more details about the properties component, see chapter "Properties" in "Apache Camel Component Reference".