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Posted to dev@olingo.apache.org by "Manuel Blechschmidt (JIRA)" <ji...@apache.org> on 2015/03/28 13:03:53 UTC
[jira] [Created] (OLINGO-605) Olingo should support custom types
e.g. Geometry by using XmlAdapter from JaxB
Manuel Blechschmidt created OLINGO-605:
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Summary: Olingo should support custom types e.g. Geometry by using XmlAdapter from JaxB
Key: OLINGO-605
URL: https://issues.apache.org/jira/browse/OLINGO-605
Project: Olingo
Issue Type: New Feature
Components: odata2-jpa
Affects Versions: V2 2.0.3
Reporter: Manuel Blechschmidt
Priority: Minor
I am currently developing a software where I save GIS coordinates as part of my entities. I want to send these geometries as a string through OData to a client.
Technically I do the following:
OpenGis -> Hibernate Spatial -> JPA -> Olingo -> JavaScript
I already have an XmlAdapter that maps my Geometry to WKT. I want to use this as well for Olingo serialization
I copied the following file in my workspace and extended the convertToEdmSimpleType function:
org.apache.olingo.odata2.jpa.processor.core.access.model.JPATypeConvertor
{code:java}
public static EdmSimpleTypeKind
...
} else if(jpaType.equals(Geometry.class)) {
// "OData - JPA Type Converter: Type [class com.vividsolutions.jts.geom.Geometry] not supported"
return EdmSimpleTypeKind.String;
}
throw ODataJPAModelException.throwException(ODataJPAModelException.TYPE_NOT_SUPPORTED
.addContent(jpaType.toString()), null);
}
{code}
This is quick and dirty and it would be nice if there would be a cleaner solution to do so.
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