JSON Gson

Since Camel 2.10

Gson is a Data Format which uses the Gson Library

from("activemq:My.Queue").
  marshal().json(JsonLibrary.Gson).
  to("mqseries:Another.Queue");

Gson Options

The JSON Gson dataformat supports 4 options, which are listed below.

Name Default Java Type Description

prettyPrint

false

Boolean

To enable pretty printing output nicely formatted. Is by default false.

unmarshalType

String

Class name of the java type to use when unmarshalling.

contentTypeHeader

true

Boolean

Whether the data format should set the Content-Type header with the type from the data format. For example application/xml for data formats marshalling to XML, or application/json for data formats marshalling to JSON.

dateFormatPattern

String

To configure the date format while marshall or unmarshall Date fields in JSON using Gson.

Dependencies

To use Gson in your camel routes you need to add the dependency on camel-gson which implements this data format.

If you use maven you could just add the following to your pom.xml, substituting the version number for the latest & greatest release (see the download page for the latest versions).

<dependency>
  <groupId>org.apache.camel</groupId>
  <artifactId>camel-gson</artifactId>
  <version>x.x.x</version>
  <!-- use the same version as your Camel core version -->
</dependency>

Spring Boot Auto-Configuration

When using gson with Spring Boot make sure to use the following Maven dependency to have support for auto configuration:

<dependency>
  <groupId>org.apache.camel.springboot</groupId>
  <artifactId>camel-gson-starter</artifactId>
  <version>x.x.x</version>
  <!-- use the same version as your Camel core version -->
</dependency>

The component supports 5 options, which are listed below.

Name Description Default Type

camel.dataformat.gson.content-type-header

Whether the data format should set the Content-Type header with the type from the data format. For example application/xml for data formats marshalling to XML, or application/json for data formats marshalling to JSON.

true

Boolean

camel.dataformat.gson.date-format-pattern

To configure the date format while marshall or unmarshall Date fields in JSON using Gson.

String

camel.dataformat.gson.enabled

Whether to enable auto configuration of the gson data format. This is enabled by default.

Boolean

camel.dataformat.gson.pretty-print

To enable pretty printing output nicely formatted. Is by default false.

false

Boolean

camel.dataformat.gson.unmarshal-type

Class name of the java type to use when unmarshalling.

String
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