Frederic Souchu created OLINGO-615:
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Summary: Unable to serialize custom enum type
Key: OLINGO-615
URL: https://issues.apache.org/jira/browse/OLINGO-615
Project: Olingo
Issue Type: Bug
Components: odata4-server
Affects Versions: (Java) V4 4.0.0-beta-02
Reporter: Frederic Souchu
The serializer code path is missing a fallback for enumerated values, similar
to collection or complex types.
How to reproduce:
- declare an enumerated field in EDM
- add enum value in entity set:
{code:java}
EntitySet entitySet = new EntitySetImpl();
entitySet.getEntities().add(new EntityImpl()
.addProperty(new PropertyImpl(null, "ID", ValueType.PRIMITIVE,
4864))
.addProperty(new PropertyImpl(null, "company.com.MyEnum",
ValueType.ENUM, 2)));
{code}
- call serializer from servlet, an exception is raised: Property type not yet
supported!
What is happening:
- EdmTypeInfo.java primitiveType member is null (as expected)
- enumType is correctly set to my custom enum type
- ODataJsonSerializer.java correctly evaluates the type as 'not primitive' and
does not call the appriopriate writePropertyValue method (where enum
serialization code is!!)
{code:java}
private void writePropertyValue(final EdmProperty edmProperty,
final Property property, final Set<List<String>> selectedPaths,
final JsonGenerator json) throws IOException, SerializerException {
try {
if (edmProperty.isPrimitive()) {
/* primitive handling code not executed for an enum !! */
} else if (edmProperty.isCollection()) {
writeComplexCollection((EdmComplexType) edmProperty.getType(),
property, selectedPaths, json);
} else if (property.isLinkedComplex()) {
writeComplexValue((EdmComplexType) edmProperty.getType(),
property.asLinkedComplex().getValue(),
selectedPaths, json);
} else if (property.isComplex()) {
writeComplexValue((EdmComplexType) edmProperty.getType(),
property.asComplex(), selectedPaths, json);
} else {
throw new SerializerException("Property type not yet supported!",
SerializerException.MessageKeys.UNSUPPORTED_PROPERTY_TYPE,
edmProperty.getName());
}
} catch (final EdmPrimitiveTypeException e) {
/* error msg mgt */
}
}
{code}
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