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Chapter 132. Smooks Data Format

The Smooks Data Format uses Smooks to transform from one data format to another and back again. A configuration for a Smooks Data Format should not allocate system resources because the data format does not close those resources. Use this data format when you are primarily interested in transformation and binding. For other Smooks features like routing use the Smooks component starter.

132.1. Dependencies
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When using camel-smooks component starter with Red Hat build of Camel Spring Boot, add the following Maven dependency to your pom.xml to have support for auto configuration: 

<dependency>
    <groupId>org.apache.camel.springboot</groupId>
    <artifactId>camel-smooks-starter</artifactId>
</dependency>

132.2. Usage
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Below is an example of using the Smooks Data Format to unmarshal a CSV into a java.util.List of org.smooks.example.Customer instances:

Java

from("direct:unmarshal")
    .unmarshal().smooks("csv-smooks-unmarshal-config.xml")
    .log("Unmarshalled customers: ${body}");

YAML

- from:
    uri: direct:unmarshal
    steps:
      - unmarshal:
          smooks:
            smooksConfig: csv-smooks-unmarshal-config.xml
      - log: "Unmarshalled customers: ${body}"

The Smooks configuration in csv-smooks-unmarshal-config.xml is as follows: 

<smooks-resource-list xmlns="https://www.smooks.org/xsd/smooks-2.0.xsd"
    xmlns:core="https://www.smooks.org/xsd/smooks/smooks-core-1.6.xsd"
    xmlns:csv="https://www.smooks.org/xsd/smooks/csv-1.7.xsd">

    <core:exports>
        <core:result type="org.smooks.io.sink.JavaSink" extract="result"/>
    </core:exports>

    <csv:reader fields="firstName,lastName,gender,age,country">
        <csv:listBinding beanId="result" class="org.smooks.example.Customer"/>
    </csv:reader>

</smooks-resource-list>

132.3. Smooks Data Format Options
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The Smooks dataformat supports 1 option:

Expand
NameDescriptionDefaultJava Type

smooksConfig (common)a

Required Path to the Smooks configuration file.

 

String

132.4. Spring Boot Auto-Configuration
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The component supports 6 options, which are listed below.

Expand
NameDescriptionDefaultType

camel.component.smooks.autowired-enabled

Whether autowiring is enabled. This is used for automatic autowiring options (the option must be marked as autowired) by looking up in the registry to find if there is a single instance of matching type, which then gets configured on the component. This can be used for automatic configuring JDBC data sources, JMS connection factories, AWS Clients, etc.

true

Boolean

camel.component.smooks.enabled

Whether to enable auto configuration of the smooks component. This is enabled by default.

 

Boolean

camel.component.smooks.lazy-start-producer

Whether the producer should be started lazy (on the first message). By starting lazy you can use this to allow CamelContext and routes to startup in situations where a producer may otherwise fail during starting and cause the route to fail being started. By deferring this startup to be lazy then the startup failure can be handled during routing messages via Camel’s routing error handlers. Beware that when the first message is processed then creating and starting the producer may take a little time and prolong the total processing time of the processing.

false

Boolean

camel.component.smooks.smooks-factory

To use a custom factory for creating Smooks. The option is a org.smooks.SmooksFactory type.

 

SmooksFactory

camel.dataformat.smooks.enabled

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

 

Boolean

camel.dataformat.smooks.smooks-config

Path to the Smooks configuration file.

 

String

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