com.haulmont.restapi.config

Class RestJsonTransformations

java.lang.Object

com.haulmont.restapi.config.RestJsonTransformations

@Component(value="cuba_RestJsonTransformations")
public class RestJsonTransformations
extends java.lang.Object

Class is used for loading and storing JSON transformers. These transformers are used when a request to the REST API is made by the client that works with a data model of the previous version. In this case transformer transforms a JSON from the old data model version to the current or vice versa. JSON transformers are loaded from configuration files defined by the cuba.rest.jsonTransformationConfig application property.

Constructor Summary

Constructors

Constructor and Description
RestJsonTransformations()

Method Summary

Modifier and Type	Method and Description
EntityJsonTransformer	getTransformer(java.lang.String entityName, java.lang.String modelVersion, JsonTransformationDirection transformerDirection) Tries to find the transformer for the given entity, model version and transformation direction.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RestJsonTransformations

public RestJsonTransformations()

Method Detail

getTransformer

public EntityJsonTransformer getTransformer(java.lang.String entityName,
                                            java.lang.String modelVersion,
                                            JsonTransformationDirection transformerDirection)

Tries to find the transformer for the given entity, model version and transformation direction. If such transformer is defined in the transformers configuration file then it will be returned. If there is no transformer defined, a dummy transformer that doesn't do any transformation will be returned.

Parameters:

entityName - entity name

modelVersion - domain model version

transformerDirection - transformation direction (to version or from version)

Returns:

a JSON transformer instance