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Chapter 13. Introduction
Abstract
This chapter provides an overview of all the expression languages supported by Apache Camel.
13.1. Overview of the Languages
Table of expression and predicate languages
Table 13.1, “Expression and Predicate Languages” gives an overview of the different syntaxes for invoking expression and predicate languages.
Table 13.1. Expression and Predicate Languages
| Language | Static Method | Fluent DSL Method | XML Element | Annotation | Artifact |
|---|---|---|---|---|---|
| Section 2.4, “Bean Integration” | bean() | EIP().method() | method | @Bean | Camel core |
| Constant | constant() | EIP().constant() | constant | @Constant | Camel core |
| EL | el() | EIP().el() | el | @EL | camel-juel |
| Groovy | groovy() | EIP().groovy() | groovy | @Groovy | camel-groovy |
| Header | header() | EIP().header() | header | @Header | Camel core |
| JavaScript | javaScript() | EIP().javaScript() | javaScript | @JavaScript | camel-script |
| JoSQL | sql() | EIP().sql() | sql | @SQL | camel-josql |
| JSonPath | None | EIP().jsonpath() | jsonpath | @JSonPath | camel-jsonpath |
| JXPath | None | EIP().jxpath() | jxpath | @JXPath | camel-jxpath |
| MVEL | mvel() | EIP().mvel() | mvel | @MVEL | camel-mvel |
| OGNL | ognl() | EIP().ognl() | ognl | @OGNL | camel-ognl |
| PHP | php() | EIP().php() | php | @PHP | camel-script |
| Property | property() | EIP().property() | property | @Property | Camel core |
| Python | python() | EIP().python() | python | @Python | camel-script |
| Ref | ref() | EIP().ref() | ref | N/A | Camel core |
| Ruby | ruby() | EIP().ruby() | ruby | @Ruby | camel-script |
| Simple/File | simple() | EIP().simple() | simple | @Simple | Camel core |
| SpEL | spel() | EIP().spel() | spel | @SpEL | camel-spring |
| XPath | xpath() | EIP().xpath() | xpath | @XPath | Camel core |
| XQuery | xquery() | EIP().xquery() | xquery | @XQuery | camel-saxon |
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