Expression Languages

An expression language is a way to define conditions or manipulate messages in a declarative manner. They are used to evaluate and manipulate data within a message, allowing the creation of more complex and flexible routes.

See how to add an expression language directly through an EIP form in the Diagram tab:

Here are the expression languages supported by Sensedia Integrations:

NOTE

The examples show the use of languages in the Choice component, but they can be used in any context that supports languages.

• Constant: returns a constant value.

• ExchangeProperty: accesses Exchange properties.

• Groovy: uses Groovy scripts to manipulate messages.

• Header: accesses message header values.

• JQ: uses the JQ language to query and manipulate JSON.

• JSONPath: similar to XPath, but for JSON.

• OGNL: uses Object-Graph Navigation Language expressions to access data.

• Simple: a simple language for expressions and manipulations.

• XPath: used to query and manipulate XML.

• XQuery: uses XQuery to query and manipulate XML.

NOTE

For more details, access the official Apache Camel documentation.